Lot of internal change and monetary cost (#116)

Internal changes this big was not intentional but had to do it for
monetary cost

excluding that: 
- add monetary cost, with dependency on rename
dialogue
- also change some a bit rename dialog

build.gradle.kts

@@ -40,11 +40,14 @@ repositories {
     // ItemsAdder
     maven(url = "https://maven.devs.beer/")
 
-    // for fast stats
+    // For fast stats
     maven {
         name = "thenextlvlReleases"
         url = uri("https://repo.thenextlvl.net/releases")
     }
+
+    // For vault unlocked
+    maven { url = uri("https://repo.codemc.io/repository/creatorfromhell/") }
 }
 
 val reobfNMS = providers.gradleProperty("subprojects.reobfnms")
@@ -103,6 +106,9 @@ dependencies {
     // ItemsAdder API
     compileOnly("dev.lone:api-itemsadder:4.0.10")
 
+    // Vault api
+    compileOnly("net.milkbowl.vault:VaultUnlockedAPI:2.16")
+
     // Include nms
     implementation(project(":nms:nms-common"))
     implementation(project(":nms:nms-paper"))

defaultconfigs/1.18/config.yml

@@ -430,6 +430,33 @@ lore_edit:
       allow_hexadecimal_color: false
       allow_minimessage: true
 
+# Allow to replace the xp cost by a monetary cost
+# If enabled it will not be bound to the experience level limits
+#
+# It also requires to enable dialog rename (set "enable_dialog_rename: false" a bit higher)
+# If dialog rename permission is enabled and player do not have the permission merge will fall back to vanilla xp cost
+#
+# If you are using custom craft I recommend using Linear Xp Cost with Exact Linear Xp as normal Xp Cost will act "weird"
+# But Linear Xp will act as 1$ time global multiplier. In other word: like you expect
+#
+# As this feature require dialog rename, it can only be enabled starting with paper 1.21.6 and later
+monetary_cost:
+  enabled: false
+  # If using vault unlocked this allow to specify what currency should be used for anvil usage
+  # default being the default currency
+  currency: default
+  # multiply the anvil cost by a value to allow to have price a big bigger than like 40
+  multipliers:
+    # global multipliers. all usage type will be multiplied by this value
+    global: 1.0
+    # usage specific type. it will only apply for specific xp "reason"
+    enchantment: 1.0 # related to enchantments level
+    repair: 1.0 # for repairing via unit repair (per unit)
+    rename: 1.0 # for renaming the item
+    lore_edit: 1.0 # for changing the lore of the item (only if lore edit is enabled)
+    work_penalty: 1.0 # for work penalty (aka use penalty)
+    recipe: 1.0 # for custom anvil recipe cost
+
 # Whether to show debug logging
 debug_log: false
 

defaultconfigs/1.21.11/config.yml

@@ -450,6 +450,33 @@ lore_edit:
       allow_hexadecimal_color: false
       allow_minimessage: true
 
+# Allow to replace the xp cost by a monetary cost
+# If enabled it will not be bound to the experience level limits
+#
+# It also requires to enable dialog rename (set "enable_dialog_rename: false" a bit higher)
+# If dialog rename permission is enabled and player do not have the permission merge will fall back to vanilla xp cost
+#
+# If you are using custom craft I recommend using Linear Xp Cost with Exact Linear Xp as normal Xp Cost will act "weird"
+# But Linear Xp will act as 1$ time global multiplier. In other word: like you expect
+#
+# As this feature require dialog rename, it can only be enabled starting with paper 1.21.6 and later
+monetary_cost:
+  enabled: false
+  # If using vault unlocked this allow to specify what currency should be used for anvil usage
+  # default being the default currency
+  currency: default
+  # multiply the anvil cost by a value to allow to have price a big bigger than like 40
+  multipliers:
+    # global multipliers. all usage type will be multiplied by this value
+    global: 1.0
+    # usage specific type. it will only apply for specific xp "reason"
+    enchantment: 1.0 # related to enchantments level
+    repair: 1.0 # for repairing via unit repair (per unit)
+    rename: 1.0 # for renaming the item
+    lore_edit: 1.0 # for changing the lore of the item (only if lore edit is enabled)
+    work_penalty: 1.0 # for work penalty (aka use penalty)
+    recipe: 1.0 # for custom anvil recipe cost
+
 # Whether to show debug logging
 debug_log: false
 

defaultconfigs/1.21.9/config.yml

@@ -442,6 +442,33 @@ lore_edit:
       allow_hexadecimal_color: false
       allow_minimessage: true
 
+# Allow to replace the xp cost by a monetary cost
+# If enabled it will not be bound to the experience level limits
+#
+# It also requires to enable dialog rename (set "enable_dialog_rename: false" a bit higher)
+# If dialog rename permission is enabled and player do not have the permission merge will fall back to vanilla xp cost
+#
+# If you are using custom craft I recommend using Linear Xp Cost with Exact Linear Xp as normal Xp Cost will act "weird"
+# But Linear Xp will act as 1$ time global multiplier. In other word: like you expect
+#
+# As this feature require dialog rename, it can only be enabled starting with paper 1.21.6 and later
+monetary_cost:
+  enabled: false
+  # If using vault unlocked this allow to specify what currency should be used for anvil usage
+  # default being the default currency
+  currency: default
+  # multiply the anvil cost by a value to allow to have price a big bigger than like 40
+  multipliers:
+    # global multipliers. all usage type will be multiplied by this value
+    global: 1.0
+    # usage specific type. it will only apply for specific xp "reason"
+    enchantment: 1.0 # related to enchantments level
+    repair: 1.0 # for repairing via unit repair (per unit)
+    rename: 1.0 # for renaming the item
+    lore_edit: 1.0 # for changing the lore of the item (only if lore edit is enabled)
+    work_penalty: 1.0 # for work penalty (aka use penalty)
+    recipe: 1.0 # for custom anvil recipe cost
+
 # Whether to show debug logging
 debug_log: false
 

defaultconfigs/1.21/config.yml

@@ -430,6 +430,33 @@ lore_edit:
       allow_hexadecimal_color: false
       allow_minimessage: true
 
+# Allow to replace the xp cost by a monetary cost
+# If enabled it will not be bound to the experience level limits
+#
+# It also requires to enable dialog rename (set "enable_dialog_rename: false" a bit higher)
+# If dialog rename permission is enabled and player do not have the permission merge will fall back to vanilla xp cost
+#
+# If you are using custom craft I recommend using Linear Xp Cost with Exact Linear Xp as normal Xp Cost will act "weird"
+# But Linear Xp will act as 1$ time global multiplier. In other word: like you expect
+#
+# As this feature require dialog rename, it can only be enabled starting with paper 1.21.6 and later
+monetary_cost:
+  enabled: false
+  # If using vault unlocked this allow to specify what currency should be used for anvil usage
+  # default being the default currency
+  currency: default
+  # multiply the anvil cost by a value to allow to have price a big bigger than like 40
+  multipliers:
+    # global multipliers. all usage type will be multiplied by this value
+    global: 1.0
+    # usage specific type. it will only apply for specific xp "reason"
+    enchantment: 1.0 # related to enchantments level
+    repair: 1.0 # for repairing via unit repair (per unit)
+    rename: 1.0 # for renaming the item
+    lore_edit: 1.0 # for changing the lore of the item (only if lore edit is enabled)
+    work_penalty: 1.0 # for work penalty (aka use penalty)
+    recipe: 1.0 # for custom anvil recipe cost
+
 # Whether to show debug logging
 debug_log: false
 

nms/nms-common/src/main/kotlin/xyz/alexcrea/cuanvil/dialog/AnvilRenameDialog.kt

@@ -18,4 +18,6 @@ interface AnvilRenameDialog {
 
     fun currentText(player: HumanEntity): String?
 
+    fun isOpenFor(player: HumanEntity): Boolean
+
 }

nms/nms-paper/src/main/kotlin/xyz/alexcrea/cuanvil/dialog/AnvilRenameDialogImpl.kt

@@ -18,6 +18,7 @@ import org.bukkit.craftbukkit.inventory.CraftInventoryView
 import org.bukkit.craftbukkit.inventory.view.CraftAnvilView
 import org.bukkit.entity.HumanEntity
 import org.bukkit.event.inventory.PrepareAnvilEvent
+import org.bukkit.inventory.InventoryView
 import org.bukkit.inventory.ItemStack
 import org.bukkit.persistence.PersistentDataType
 import org.bukkit.plugin.Plugin
@@ -32,7 +33,7 @@ class AnvilRenameDialogImpl(
     val keepUserPreviousDialog: Supplier<Boolean>,
     val maxLength: Supplier<Int>,
     val plugin: Plugin,
-): AnvilRenameDialog {
+) : AnvilRenameDialog {
 
     companion object {
         private const val RENAME_TEXT_KEY = "rename"
@@ -43,16 +44,28 @@ class AnvilRenameDialogImpl(
 
         // Need to be able to translate it later !
         private val USER_FACING_RENAME_TITLE = Component.text("Rename Your Item")
-        private val USER_FACING_WARNING = Component.text("Note that the repair text will appear blank after Confirm\n" +
+        private val USER_FACING_WARNING = Component.text(
-                "But the name will be correctly applied")
+            "Note that the repair text will appear blank after Confirm\n" +
+                    "But the name will be correctly applied"
+        )
         private val USER_FACING_CONFIRM = Component.text("Confirm").color(TextColor.fromHexString("#40FF40"))
         private val USER_FACING_CANCEL = Component.text("Cancel").color(TextColor.fromHexString("#FF4040"))
+
+        fun itemDefaultName(item: ItemStack?): String? {
+            return PLAIN_TEXT_SERIALIZER.serializeOrNull(item?.effectiveName())
+        }
     }
 
     private val lastNames = HashMap<UUID, String>()
+    private val lastRenames = HashMap<UUID, String>()
+
+
     private val lastLeftItem = HashMap<UUID, String>()
     private val runTaskMap = HashMap<UUID, ScheduledTask>()
 
+    // For monetary cost
+    val hasUiOpen = HashSet<UUID>()
+
     private val containerField = CraftInventoryView::class.java.getDeclaredField("container")
 
     init {
@@ -63,72 +76,90 @@ class AnvilRenameDialogImpl(
         return true
     }
 
-    fun makeDialog(initial: String?, callback: Consumer<String?>): Dialog {
+    fun makeDialog(playerID: UUID, initial: String?, callback: Consumer<String?>): Dialog {
         val maxLength = this.maxLength.get()
         val initialFinal = initial?.take(maxLength)
 
         val baseBuilder = DialogBase.builder(USER_FACING_RENAME_TITLE)
             .canCloseWithEscape(true)
             .afterAction(DialogBase.DialogAfterAction.CLOSE)
-            .inputs(listOf(
+            .inputs(
-                DialogInput.text(RENAME_TEXT_KEY, Component.text("Rename text"))
+                listOf(
-                    .maxLength(maxLength)
+                    DialogInput.text(RENAME_TEXT_KEY, Component.text("Rename text"))
-                    .initial(initialFinal ?: "")
+                        .maxLength(maxLength)
-                    .labelVisible(false)
+                        .initial(initialFinal ?: "")
-                    .width(MAX_WIDTH)
+                        .labelVisible(false)
-                    .build(),
+                        .width(MAX_WIDTH)
+                        .build(),
                 ),
             )
-        baseBuilder.body(listOf(
+        baseBuilder.body(
+            listOf(
                 DialogBody.plainMessage(USER_FACING_WARNING, MAX_WIDTH)
-            ))
+            )
+        )
 
-        return Dialog.create { builder -> builder.empty()
+        return Dialog.create { builder ->
-            .base(baseBuilder.build())
+            builder.empty()
-            .type(DialogType.confirmation(
+                .base(baseBuilder.build())
-                ActionButton.builder(USER_FACING_CONFIRM)
+                .type(
-                    .action(DialogAction.customClick({ response, _ ->
+                    DialogType.confirmation(
-                        val text = response.getText(RENAME_TEXT_KEY)!!
+                        ActionButton.builder(USER_FACING_CONFIRM)
-                        callback.accept(text)
+                            .action(DialogAction.customClick({ response, _ ->
-                    }, ClickCallback.Options.builder().build()))
+                                hasUiOpen.remove(playerID)
-                    .build(),
+                                val text = response.getText(RENAME_TEXT_KEY)!!
-                ActionButton.builder(USER_FACING_CANCEL)
+                                callback.accept(text)
-                    .build(),
+                            }, ClickCallback.Options.builder().build()))
-            ))
+                            .build(),
+                        ActionButton.builder(USER_FACING_CANCEL)
+                            .action(DialogAction.customClick({ response, _ ->
+                                hasUiOpen.remove(playerID)
+                            }, ClickCallback.Options.builder().build()))
+                            .build(),
+                    )
+                )
         }
     }
 
-    private fun setResult(player: HumanEntity, view: CraftAnvilView, result: String?) {
+    private fun setResult(player: HumanEntity, view: InventoryView, result: String?) {
-        val defaultName = PLAIN_TEXT_SERIALIZER.serializeOrNull(view.getItem(0)?.effectiveName())
+        val defaultName = itemDefaultName(view.getItem(0))
-        if(defaultName == result) {
+        if (defaultName == result) {
-            setName(player, view, "")
+            setName(player, view, "", null)
-            if(defaultName != null) lastNames[player.uniqueId] = defaultName
+            if (defaultName != null) lastNames[player.uniqueId] = defaultName
-        }
+        } else setName(player, view, result, result)
-        else setName(player, view, result)
     }
 
-    private fun setName(player: HumanEntity, view: CraftAnvilView, name: String?) {
+    private fun setName(player: HumanEntity, view: InventoryView, name: String?, rename: String?) {
         val menu = (containerField.get(view) as AnvilMenu)
-        menu.itemName = name
+        val isSameName = menu.itemName == name
+        menu.itemName = rename
 
-        if(name == null)
+        if (name == null)
             lastNames.remove(player.uniqueId)
         else
             lastNames[player.uniqueId] = name
-        CraftEventFactory.callPrepareResultEvent(menu, 2);
+
+        if (rename == null)
+            lastRenames.remove(player.uniqueId)
+        else
+            lastRenames[player.uniqueId] = rename
+
+        if (!isSameName)
+            CraftEventFactory.callPrepareResultEvent(menu, 2);
     }
 
     private fun nameFromItem(player: HumanEntity, item: ItemStack?): String? {
         // Already has text
-        if(item?.hasItemMeta() != true || !item.itemMeta.hasCustomName())
+        if (item?.hasItemMeta() != true || !item.itemMeta.hasCustomName())
             return PLAIN_TEXT_SERIALIZER.serializeOrNull(item?.effectiveName())
 
-        if(keepUserPreviousDialog.get() && item.hasItemMeta()) {
+        if (keepUserPreviousDialog.get() && item.hasItemMeta()) {
             val lastName = item.itemMeta.persistentDataContainer.get(
                 AnvilRenameDialog.PCD_KEEP_RENAME_TEXT_KEY,
-                PersistentDataType.STRING)
+                PersistentDataType.STRING
+            )
 
-            if(lastName != null) return lastName
+            if (lastName != null) return lastName
         }
 
         return fromFormated.apply(player, item.effectiveName())
@@ -136,33 +167,37 @@ class AnvilRenameDialogImpl(
 
     private fun tryShowDialogScheduled(player: HumanEntity, event: PrepareAnvilEvent) {
         val view = event.view
-        if(view !is CraftAnvilView) return
+        if (view !is CraftAnvilView) return
 
         val renameText = view.renameText
         val leftItem = view.getItem(0)
         val leftItemStr = leftItem?.toString()
-        val lastName = lastNames.getOrDefault(player.uniqueId, null)
 
-        if(lastLeftItem.getOrDefault(player.uniqueId, null) != leftItemStr) {
+        val lastName = lastNames.getOrDefault(player.uniqueId, null)
-            if(leftItemStr == null)
+        val lastRename = lastRenames.getOrDefault(player.uniqueId, null)
+
+        if (lastLeftItem.getOrDefault(player.uniqueId, null) != leftItemStr) {
+            if (leftItemStr == null)
                 lastLeftItem.remove(player.uniqueId)
             else lastLeftItem[player.uniqueId] = leftItemStr
 
-            setName(player, view, nameFromItem(player, leftItem))
+            setName(player, view, renameText, nameFromItem(player, leftItem))
             return
         }
 
-        if(lastName == renameText)
+        if (lastName == renameText || lastRename == renameText)
             return
 
-        if(renameText?.isBlank() == true) {
+        if (renameText?.isBlank() == true || renameText == itemDefaultName(leftItem)) {
-            setName(player, view, lastNames[player.uniqueId])
+            setName(player, view, lastName, lastRename)
             return
         }
 
-        val dialog = makeDialog(lastName)
+        val dialog = makeDialog(player.uniqueId, lastRename)
         { result -> setResult(player, view, result) }
         player.showDialog(dialog)
+
+        hasUiOpen.add(player.uniqueId)
     }
 
     // We need to wait for a short time as changing item will change the name BEFORE the item change
@@ -178,13 +213,14 @@ class AnvilRenameDialogImpl(
             {},
             2
         )
-        if(task == null) return
+        if (task == null) return
 
         runTaskMap[player.uniqueId] = task
     }
 
     override fun closeInventory(player: HumanEntity) {
         lastNames.remove(player.uniqueId)
+        lastRenames.remove(player.uniqueId)
         lastLeftItem.remove(player.uniqueId)
         runTaskMap.remove(player.uniqueId)?.cancel()
     }
@@ -193,4 +229,8 @@ class AnvilRenameDialogImpl(
         return lastNames[player.uniqueId]
     }
 
+    override fun isOpenFor(player: HumanEntity): Boolean {
+        return hasUiOpen.contains(player.uniqueId)
+    }
+
 }

nms/nms-paper/src/main/kotlin/xyz/alexcrea/cuanvil/util/AnvilTitleUtil.kt

@@ -0,0 +1,45 @@
+package xyz.alexcrea.cuanvil.util
+
+import io.papermc.paper.threadedregions.scheduler.ScheduledTask
+import org.bukkit.entity.HumanEntity
+import org.bukkit.inventory.InventoryView
+import org.bukkit.plugin.Plugin
+import xyz.alexcrea.cuanvil.dialog.AnvilRenameDialog
+import java.util.HashMap
+import java.util.UUID
+
+object AnvilTitleUtil {
+
+    private val runTaskMap = HashMap<UUID, ScheduledTask>()
+
+    private fun actualRename(view: InventoryView, name: String, player: HumanEntity, anvilDialog: AnvilRenameDialog) {
+        runTaskMap.remove(player.uniqueId)
+        if (view.title == name) return
+
+        // We assume rename impl is used
+        if (anvilDialog.isOpenFor(player)) return
+
+        view.title = name
+    }
+
+    // We don't want to rename instantly it is causing issue with rename text
+    // especially as it can "override" current ui when it is rename ui time but rename ui also need some delay
+    fun rename(view: InventoryView, name: String, player: HumanEntity, anvilDialog: AnvilRenameDialog, plugin: Plugin) {
+        runTaskMap.remove(player.uniqueId)?.cancel()
+
+        val task = player.scheduler.runDelayed(
+            plugin,
+            { _ ->
+                run { actualRename(view, name, player, anvilDialog) }
+            },
+            {
+                runTaskMap.remove(player.uniqueId)
+            },
+            2
+        )
+
+        if (task == null) return
+        runTaskMap[player.uniqueId] = task
+    }
+
+}

nms/v1_21R1/src/main/kotlin/xyz/alexcrea/cuanvil/util/ModernPrepareAnvilCreator.kt

@@ -0,0 +1,12 @@
+package xyz.alexcrea.cuanvil.util
+
+import org.bukkit.event.inventory.PrepareAnvilEvent
+import org.bukkit.inventory.InventoryView
+import org.bukkit.inventory.ItemStack
+import org.bukkit.inventory.view.AnvilView
+
+object ModernPrepareAnvilCreator {
+    fun createPrepareAnvil(view: InventoryView, item: ItemStack?): PrepareAnvilEvent {
+        return PrepareAnvilEvent(view as AnvilView, item)
+    }
+}

src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAClickResultBypassEvent.java

@@ -17,7 +17,7 @@ import org.jetbrains.annotations.NotNull;
  * Most of the time you would likely need {@link CAPreAnvilBypassEvent} or {@link CAEarlyPreAnvilBypassEvent}
  * for this event to be useful.
  * <p>
- * There is also {@link CATreatAnvilResultEvent} that may be better for some use case.
+ * There is also {@link CATreatAnvilResult2Event} that may be better for some use case.
  */
 public class CAClickResultBypassEvent extends Event implements Cancellable {
 

src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAEarlyPreAnvilBypassEvent.java

@@ -15,7 +15,7 @@ import org.jetbrains.annotations.NotNull;
  * <p>
  * You should also use {@link CAClickResultBypassEvent} if you want to use this event for something useful.
  * <p>
- * It is also recommended that you read about {@link CAPreAnvilBypassEvent} and {@link CATreatAnvilResultEvent}
+ * It is also recommended that you read about {@link CAPreAnvilBypassEvent} and {@link CATreatAnvilResult2Event}
  * as your use case may be more prone to use theses.
  */
 public class CAEarlyPreAnvilBypassEvent extends Event implements Cancellable {

src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAPreAnvilBypassEvent.java

@@ -18,7 +18,7 @@ import org.jetbrains.annotations.NotNull;
  * <p>
  * You should also use {@link CAClickResultBypassEvent} if you want to use this event for something useful.
  * <p>
- * It is also recommended that you read about {@link CAEarlyPreAnvilBypassEvent} and {@link CATreatAnvilResultEvent}
+ * It is also recommended that you read about {@link CAEarlyPreAnvilBypassEvent} and {@link CATreatAnvilResult2Event}
  * as your use case may be more prone to use theses.
  */
 public class CAPreAnvilBypassEvent extends Event implements Cancellable {

src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CATreatAnvilResult2Event.java

@@ -0,0 +1,196 @@
+package xyz.alexcrea.cuanvil.api.event.listener;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.InventoryView;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import xyz.alexcrea.cuanvil.anvil.AnvilCost;
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType;
+
+/**
+ * Called after custom anvil processed the click on the result on the anvil inventory.
+ * This event should be used to modify the result of an anvil use.
+ * <p>
+ * You may also want to check {@link CAClickResultBypassEvent},
+ * {@link CAPreAnvilBypassEvent}
+ * and {@link CAEarlyPreAnvilBypassEvent} for your use case
+ * <p>
+ * A null result will cancel this event
+ */
+@SuppressWarnings("unused")
+public class CATreatAnvilResult2Event extends Event {
+
+    private static final HandlerList HANDLERS = new HandlerList();
+
+    public static HandlerList getHandlerList() {
+        return HANDLERS;
+    }
+
+    @Override
+    public @NotNull HandlerList getHandlers() {
+        return HANDLERS;
+    }
+
+    @NotNull
+    private final InventoryView view;
+
+    private final AnvilUseType useType;
+
+    @Nullable
+    private final ItemStack left;
+    @Nullable
+    private final ItemStack right;
+
+    @Nullable
+    private ItemStack result;
+
+    private final AnvilCost cost;
+
+    @ApiStatus.Internal
+    public CATreatAnvilResult2Event(
+            @NotNull InventoryView view,
+            Inventory inv,
+            AnvilUseType useType,
+            @Nullable ItemStack result,
+            AnvilCost cost) {
+        this.view = view;
+        this.useType = useType;
+
+        this.left = inv.getItem(0); // TODO use view here
+        this.right = inv.getItem(1);
+        this.result = result;
+        this.cost = cost;
+    }
+
+    /**
+     * Get the bukkit inventory view.
+     * <p>
+     * Temporarily marked as internal as it will get changed to anvil view on legacy removal
+     * so signature will change
+     *
+     * @return The inventory view of this event.
+     */
+    @ApiStatus.Internal
+    public @NotNull InventoryView getView() {
+        return view;
+    }
+
+
+    /**
+     * Get the type of use source of the result.
+     *
+     * @return The craft use type.
+     */
+    public AnvilUseType getUseType() {
+        return useType;
+    }
+
+    /**
+     * Get the left item of the anvil use
+     *
+     * @return the left item
+     */
+    public @Nullable ItemStack getLeftItem() {
+        return left;
+    }
+
+    /**
+     * Get the right item of the anvil use
+     *
+     * @return the right item
+     */
+    public @Nullable ItemStack getRightItem() {
+        return right;
+    }
+
+    /**
+     * Get the current result
+     * <p>
+     * note that it will not be null unless another listener previously set it to null.
+     *
+     * @return The current result.
+     */
+    public @Nullable ItemStack getResult() {
+        return result;
+    }
+
+    /**
+     * Set the current result
+     * <p>
+     * note that a null result will cancel this anvil use.
+     *
+     * @param result The new result
+     */
+    public void setResult(@Nullable ItemStack result) {
+        this.result = result;
+    }
+
+    /**
+     * Get the level cost displayed on the anvil.
+     * <h3>Important note:</h3>
+     * the final price are re calculated on click for the following use case:
+     * <ul>
+     * <li>Custom craft</li>
+     * <li>Unit repair</li>
+     * <li>Lore edit</li>
+     * </ul>
+     * This value will be used as final price for:
+     * <li>Item merge</li>
+     * <li>Item rename</li>
+     * </ul>
+     *
+     * @return The current cost.
+     * @deprecated use #{@link #getCost()} instead
+     */
+    @Deprecated(forRemoval = true, since = "1.17.0")
+    public int getLevelCost() {
+        return cost.asXpCost();
+    }
+
+    /**
+     * Set the level cost displayed on the anvil.
+     * <h3>Important note:</h3>
+     * the final price are re calculated on click for the following use case:
+     * <ul>
+     * <li>Custom craft</li>
+     * <li>Unit repair</li>
+     * <li>Lore edit</li>
+     * </ul>
+     * This value will be used as final price for:
+     * <li>Item merge</li>
+     * <li>Item rename</li>
+     * </ul>
+     *
+     * @param levelCost The new cost.
+     * @deprecated use #{@link #getCost()} and set value on this instead
+     */
+    @Deprecated(forRemoval = true, since = "1.17.0")
+    public void setLevelCost(int levelCost) {
+        cost.setGeneric(levelCost - cost.getGeneric() - cost.asXpCost());
+    }
+
+    /**
+     * Allow access to the current cost of the event
+     * Note that modifying this object will change the event resulting cost
+     *
+     * <h3>Important note:</h3>
+     * the final price are re calculated on click for the following use case:
+     * <ul>
+     * <li>Custom craft</li>
+     * <li>Unit repair</li>
+     * <li>Lore edit</li>
+     * </ul>
+     * This value will be used as final price for:
+     * <li>Item merge</li>
+     * <li>Item rename</li>
+     *
+     * @return the current anvil cost
+     */
+    public AnvilCost getCost() {
+        return cost;
+    }
+}

src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CATreatAnvilResultEvent.java

@@ -6,7 +6,8 @@ import org.bukkit.event.inventory.PrepareAnvilEvent;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import xyz.alexcrea.cuanvil.util.AnvilUseType;
+import xyz.alexcrea.cuanvil.anvil.AnvilCost;
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType;
 
 /**
  * Called after custom anvil processed the click on the result on the anvil inventory.
@@ -17,8 +18,12 @@ import xyz.alexcrea.cuanvil.util.AnvilUseType;
  * and {@link CAEarlyPreAnvilBypassEvent} for your use case
  * <p>
  * A null result will cancel this pre anvil event
+ *
+ * @deprecated Prepare anvil Event cannot be provided as it can be called on result and therefore not have prepared anvil event
+ * use {@link CATreatAnvilResult2Event} instead
  */
 @SuppressWarnings("unused")
+@Deprecated(forRemoval = true, since = "1.17.0")
 public class CATreatAnvilResultEvent extends Event {
 
     private static final HandlerList HANDLERS = new HandlerList();
@@ -40,13 +45,13 @@ public class CATreatAnvilResultEvent extends Event {
     @Nullable
     private ItemStack result;
 
-    private int levelCost;
+    private final AnvilCost cost;
 
-    public CATreatAnvilResultEvent(@NotNull PrepareAnvilEvent event, AnvilUseType useType, @Nullable ItemStack result, int levelCost) {
+    public CATreatAnvilResultEvent(@NotNull PrepareAnvilEvent event, AnvilUseType useType, @Nullable ItemStack result, AnvilCost cost) {
         this.event = event;
         this.useType = useType;
         this.result = result;
-        this.levelCost = levelCost;
+        this.cost = cost;
     }
 
     /**
@@ -104,9 +109,11 @@ public class CATreatAnvilResultEvent extends Event {
      * </ul>
      *
      * @return The current cost.
+     * @deprecated use #{@link #getCost()} instead
      */
+    @Deprecated(forRemoval = true, since = "1.17.0")
     public int getLevelCost() {
-        return levelCost;
+        return cost.asXpCost();
     }
 
     /**
@@ -124,8 +131,32 @@ public class CATreatAnvilResultEvent extends Event {
      * </ul>
      *
      * @param levelCost The new cost.
+     * @deprecated use #{@link #getCost()} and set value on this instead
      */
+    @Deprecated(forRemoval = true, since = "1.17.0")
     public void setLevelCost(int levelCost) {
-        this.levelCost = levelCost;
+        cost.setGeneric(levelCost - cost.getGeneric() - cost.asXpCost());
     }
+
+    /**
+     * Allow access to the current cost of the event
+     * Note that modifying this object will change the event resulting cost
+     *
+     * <h3>Important note:</h3>
+     * the final price are re calculated on click for the following use case:
+     * <ul>
+     * <li>Custom craft</li>
+     * <li>Unit repair</li>
+     * <li>Lore edit</li>
+     * </ul>
+     * This value will be used as final price for:
+     * <li>Item merge</li>
+     * <li>Item rename</li>
+     *
+     * @return the current anvil cost
+     */
+    public AnvilCost getCost() {
+        return cost;
+    }
+
 }

src/main/java/xyz/alexcrea/cuanvil/config/WorkPenaltyType.java

@@ -2,7 +2,7 @@ package xyz.alexcrea.cuanvil.config;
 
 import com.google.common.collect.ImmutableMap;
 import org.jetbrains.annotations.Nullable;
-import xyz.alexcrea.cuanvil.util.AnvilUseType;
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType;
 
 import java.util.EnumMap;
 

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/WorkPenaltyTypeSettingGui.java

@@ -11,11 +11,11 @@ import org.bukkit.entity.HumanEntity;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.config.WorkPenaltyType;
 import xyz.alexcrea.cuanvil.gui.config.global.BasicConfigGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
-import xyz.alexcrea.cuanvil.util.AnvilUseType;
 
 import java.util.ArrayList;
 import java.util.EnumMap;

src/main/java/xyz/alexcrea/cuanvil/update/plugin/PUpdate_1_8_0.java

@@ -2,10 +2,10 @@ package xyz.alexcrea.cuanvil.update.plugin;
 
 import io.delilaheve.util.ConfigOptions;
 import org.bukkit.configuration.file.FileConfiguration;
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.config.WorkPenaltyType;
 import xyz.alexcrea.cuanvil.gui.config.settings.WorkPenaltyTypeSettingGui;
-import xyz.alexcrea.cuanvil.util.AnvilUseType;
 
 import javax.annotation.Nonnull;
 import java.util.EnumMap;

src/main/kotlin/io/delilaheve/CustomAnvil.kt

@@ -12,6 +12,7 @@ import xyz.alexcrea.cuanvil.command.ReloadExecutor
 import xyz.alexcrea.cuanvil.config.ConfigHolder
 import xyz.alexcrea.cuanvil.dependency.DependencyManager
 import xyz.alexcrea.cuanvil.dependency.MinecraftVersionUtil
+import xyz.alexcrea.cuanvil.dependency.economy.EconomyManager
 import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil
 import xyz.alexcrea.cuanvil.enchant.CAEnchantmentRegistry
 import xyz.alexcrea.cuanvil.gui.config.MainConfigGui
@@ -259,9 +260,11 @@ open class CustomAnvil : JavaPlugin() {
         MainConfigGui.getInstance().init(DependencyManager.packetManager)
         GuiSharedConstant.loadConstants()
 
+        // Prepare economy if possible
+        EconomyManager.setupEconomy(this)
+
         // Finally, re add default we may be missing
         PluginSetDefault.reAddMissingDefault()
-
     }
 
     fun reloadResource(

src/main/kotlin/io/delilaheve/util/ConfigOptions.kt

@@ -3,12 +3,16 @@ package io.delilaheve.util
 import io.delilaheve.CustomAnvil
 import io.delilaheve.util.EnchantmentUtil.enchantmentName
 import org.bukkit.NamespacedKey
+import org.bukkit.entity.HumanEntity
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType
 import xyz.alexcrea.cuanvil.config.ConfigHolder
 import xyz.alexcrea.cuanvil.config.WorkPenaltyType
 import xyz.alexcrea.cuanvil.config.WorkPenaltyType.WorkPenaltyPart
 import xyz.alexcrea.cuanvil.dependency.DependencyManager
+import xyz.alexcrea.cuanvil.dependency.economy.EconomyManager
 import xyz.alexcrea.cuanvil.enchant.CAEnchantment
-import xyz.alexcrea.cuanvil.util.AnvilUseType
+import xyz.alexcrea.cuanvil.util.dialog.AnvilRenameDialogUtil
+import java.math.BigDecimal
 import java.util.*
 
 /**
@@ -72,6 +76,11 @@ object ConfigOptions {
 
     const val IMMUTABLE_ENCHANTMENT_LIST = "immutable_enchantments"
 
+    // Monetary configs
+    const val MONETARY_USAGE_ROOT = "monetary_cost"
+    const val SHOULD_USE_MONEY = "$MONETARY_USAGE_ROOT.enabled"
+    const val MONEY_CURRENCY = "$MONETARY_USAGE_ROOT.currency"
+    const val MONETARY_MULTIPLIER_ROOT = "$MONETARY_USAGE_ROOT.multipliers"
 
     // Keys for specific enchantment values
     private const val KEY_BOOK = "book"
@@ -110,6 +119,11 @@ object ConfigOptions {
 
     const val DEFAULT_PER_COLOR_CODE_PERMISSION = false
 
+    // Monetary configs
+    const val DEFAULT_SHOULD_USE_MONEY = false
+    const val DEFAULT_MONEY_CURRENCY = "default"
+    const val DEFAULT_MONEY_MULTIPLIER = 1.0
+
     // Debug flag
     private const val DEFAULT_DEBUG_LOG = false
     private const val DEFAULT_VERBOSE_DEBUG_LOG = false
@@ -164,6 +178,11 @@ object ConfigOptions {
     // Default max before merge disabled (negative mean enabled)
     const val DEFAULT_MAX_BEFORE_MERGE_DISABLED = -1
 
+    // -----------
+    // Permissions
+    // -----------
+    private const val RENAME_DIALOG_PERMISSION = "ca.rename.dialog"
+
     // -------------
     // Get methods
     // -------------
@@ -452,6 +471,13 @@ object ConfigOptions {
                 .getBoolean(DIALOG_RENAME_USE_PERMISSION, DEFAULT_DIALOG_RENAME_USE_PERMISSION)
         }
 
+    fun canUseDialogRename(player: HumanEntity): Boolean {
+        if(!doRenameDialog || !AnvilRenameDialogUtil.anvilRenameDialog.canSendDialog()) return false
+        if(doRenameDialogUsePermission && !player.hasPermission(RENAME_DIALOG_PERMISSION)) return false
+
+        return true
+    }
+
     /**
      * Do the dialog menu require permission
      */
@@ -625,4 +651,29 @@ object ConfigOptions {
         return false
     }
 
+    /*
+     * Monetary configs (only for 1.21.6+)
+     * Also require dialog rename
+     */
+    fun shouldUseMoney(player: HumanEntity): Boolean {
+            return EconomyManager.economy?.initialized() == true &&
+                    canUseDialogRename(player) &&
+                    ConfigHolder.DEFAULT_CONFIG
+                        .config
+                        .getBoolean(SHOULD_USE_MONEY, DEFAULT_SHOULD_USE_MONEY)
+    }
+
+    val usedCurrency: String
+        get() {
+            return ConfigHolder.DEFAULT_CONFIG
+                .config
+                .getString(MONEY_CURRENCY, DEFAULT_MONEY_CURRENCY)!!
+        }
+
+    fun getMonetaryMultiplier(type: String): BigDecimal {
+        return BigDecimal(ConfigHolder.DEFAULT_CONFIG
+                .config
+            .getDouble("$MONETARY_MULTIPLIER_ROOT.$type", DEFAULT_MONEY_MULTIPLIER))
+    }
+
 }

src/main/kotlin/xyz/alexcrea/cuanvil/anvil/AnvilCost.kt

@@ -0,0 +1,55 @@
+package xyz.alexcrea.cuanvil.anvil
+
+import java.math.BigDecimal
+import io.delilaheve.util.ConfigOptions.getMonetaryMultiplier as moneyMultiplier
+
+open class AnvilCost {
+    private val isAlone: Boolean
+    var valid = true // Get set as invalid if cost can be satisfied
+    var isMonetary = false
+
+    var generic = 0
+    var enchantment = 0
+    var repair = 0
+    var rename = 0
+    var lore = 0
+    var illegalPenalty = 0
+    var workPenalty = 0
+    var recipe = 0
+
+    constructor(generic: Int) {
+        this.generic = generic
+        isAlone = true
+    }
+
+    constructor() {
+        isAlone = false
+    }
+
+    fun asXpCost(): Int {
+        return generic + enchantment + repair + rename + lore + illegalPenalty + workPenalty + recipe
+    }
+
+    open fun asMonetaryCost(): BigDecimal {
+        // multiply by per use type multipliers
+        return BigDecimal(generic)
+            .add(BigDecimal(enchantment).multiply(moneyMultiplier("enchantment")))
+            .add(BigDecimal(repair).multiply(moneyMultiplier("repair")))
+            .add(BigDecimal(rename).multiply(moneyMultiplier("rename")))
+            .add(BigDecimal(lore).multiply(moneyMultiplier("lore_edit")))
+            .add(BigDecimal(enchantment).multiply(moneyMultiplier("enchantment")))
+            .add(BigDecimal(illegalPenalty).multiply(moneyMultiplier("work_penalty")))
+            .add(BigDecimal(workPenalty).multiply(moneyMultiplier("work_penalty")))
+            .add(BigDecimal(recipe).multiply(moneyMultiplier("recipe")))
+            .multiply(moneyMultiplier("global"))
+    }
+}
+
+class CustomCraftCost(val rawCost: Int): AnvilCost() {
+
+    override fun asMonetaryCost(): BigDecimal {
+        return BigDecimal(rawCost)
+            .multiply(moneyMultiplier("global"))
+    }
+
+}

src/main/kotlin/xyz/alexcrea/cuanvil/anvil/AnvilMergeLogic.kt

@@ -0,0 +1,331 @@
+package xyz.alexcrea.cuanvil.anvil
+
+import io.delilaheve.CustomAnvil
+import io.delilaheve.util.ConfigOptions
+import io.delilaheve.util.EnchantmentUtil.combineWith
+import io.delilaheve.util.ItemUtil.findEnchantments
+import io.delilaheve.util.ItemUtil.isEnchantedBook
+import io.delilaheve.util.ItemUtil.repairFrom
+import io.delilaheve.util.ItemUtil.setEnchantmentsUnsafe
+import io.delilaheve.util.ItemUtil.unitRepair
+import org.bukkit.ChatColor
+import org.bukkit.Material
+import org.bukkit.entity.HumanEntity
+import org.bukkit.entity.Player
+import org.bukkit.inventory.AnvilInventory
+import org.bukkit.inventory.InventoryView
+import org.bukkit.inventory.ItemStack
+import org.bukkit.inventory.meta.ItemMeta
+import org.bukkit.persistence.PersistentDataType
+import xyz.alexcrea.cuanvil.dependency.DependencyManager
+import xyz.alexcrea.cuanvil.dialog.AnvilRenameDialog
+import xyz.alexcrea.cuanvil.enchant.CAEnchantment
+import xyz.alexcrea.cuanvil.recipe.AnvilCustomRecipe
+import xyz.alexcrea.cuanvil.util.CasedStringUtil
+import xyz.alexcrea.cuanvil.util.CustomRecipeUtil
+import xyz.alexcrea.cuanvil.util.MaterialUtil.isAir
+import xyz.alexcrea.cuanvil.util.MiniMessageUtil
+import xyz.alexcrea.cuanvil.util.UnitRepairUtil.getRepair
+import xyz.alexcrea.cuanvil.util.anvil.AnvilColorUtil
+import xyz.alexcrea.cuanvil.util.anvil.AnvilLoreEditUtil
+import xyz.alexcrea.cuanvil.util.anvil.AnvilXpUtil
+import xyz.alexcrea.cuanvil.util.config.LoreEditType
+import xyz.alexcrea.cuanvil.util.dialog.AnvilRenameDialogUtil
+
+object AnvilMergeLogic {
+
+    open class AnvilResult {
+        companion object {
+            val EMPTY = AnvilResult(null, AnvilCost())
+        }
+
+        val item: ItemStack?
+        val cost: AnvilCost
+        val ignoreXpRules: Boolean
+
+        constructor(item: ItemStack?, cost: AnvilCost, ignoreXpRules: Boolean = false) {
+            this.item = item
+            this.cost = cost
+            this.ignoreXpRules = ignoreXpRules
+        }
+
+        fun isEmpty(): Boolean {
+            return item == null
+        }
+    }
+
+    class UnitRepairResult : AnvilResult {
+        companion object {
+            val EMPTY = UnitRepairResult(null, AnvilCost(), 0)
+        }
+
+        val repairAmount: Int
+
+        constructor(item: ItemStack?, cost: AnvilCost, repairAmount: Int) : super(item, cost) {
+            this.repairAmount = repairAmount
+        }
+    }
+
+    class CustomCraftResult : AnvilResult {
+        companion object {
+            val EMPTY = CustomCraftResult(null, CustomCraftCost(0), 0, null)
+        }
+
+        val customCraftCost: CustomCraftCost
+        val amount: Int
+        val recipe: AnvilCustomRecipe?
+
+        constructor(
+            item: ItemStack?, cost: CustomCraftCost,
+            amount: Int, recipe: AnvilCustomRecipe?
+        ) : super(item, cost, true) {
+            this.customCraftCost = cost
+            this.amount = amount
+            this.recipe = recipe
+        }
+    }
+
+    class LoreEditResult : AnvilResult {
+        companion object {
+            val EMPTY = LoreEditResult(null, AnvilCost(), LoreEditType.APPEND_PAPER)
+        }
+
+        val type: LoreEditType
+
+        constructor(item: ItemStack?, cost: AnvilCost, type: LoreEditType) : super(item, cost) {
+            this.type = type
+        }
+    }
+
+    fun doRenaming(
+        view: InventoryView, //TODO use anvil view
+        inventory: AnvilInventory,
+        player: Player, first: ItemStack
+    ): AnvilResult {
+        val resultItem = DependencyManager.cloneItem(player, first)
+        val cost = AnvilCost()
+        cost.rename = handleRename(resultItem, inventory, player)
+
+        // Test/stop if nothing changed.
+        if (first == resultItem) {
+            CustomAnvil.log("no right item, But input is same as output")
+            return AnvilResult.EMPTY
+        }
+
+        cost.workPenalty = AnvilXpUtil.calculatePenalty(first, null, resultItem, AnvilUseType.RENAME_ONLY)
+        val result =
+            DependencyManager.tryTreatAnvilResult(view, inventory, player, resultItem, AnvilUseType.RENAME_ONLY, cost)
+
+        return AnvilResult(result, cost)
+    }
+
+    private fun processDialogPCD(meta: ItemMeta, player: HumanEntity) {
+        val text = AnvilRenameDialogUtil.anvilRenameDialog.currentText(player)
+        return processPCD(meta, player, text)
+    }
+
+    fun processPCD(meta: ItemMeta, player: HumanEntity, text: String?) {
+        val keepDialog = ConfigOptions.canUseDialogRename(player) && ConfigOptions.shouldKeepRenameText
+
+        val pdc = meta.persistentDataContainer
+        if (!keepDialog)
+            pdc.remove(AnvilRenameDialog.PCD_KEEP_RENAME_TEXT_KEY)
+        else {
+            if (text == null || text.isBlank())
+                pdc.remove(AnvilRenameDialog.PCD_KEEP_RENAME_TEXT_KEY)
+            else pdc.set(AnvilRenameDialog.PCD_KEEP_RENAME_TEXT_KEY, PersistentDataType.STRING, text)
+        }
+    }
+
+    private fun handleRename(resultItem: ItemStack, inventory: AnvilInventory, player: HumanEntity): Int {
+        // Can be null
+        var renameText = ChatColor.stripColor(inventory.renameText)
+
+        var sumCost = 0
+        var useColor = false
+        if (ConfigOptions.renameColorPossible && renameText != null) {
+            val component = AnvilColorUtil.handleColor(
+                renameText,
+                AnvilColorUtil.renamePermission(player)
+            )
+
+            if (component != null) {
+                renameText = MiniMessageUtil.legacy_mm.serialize(component)
+
+                sumCost += ConfigOptions.useOfColorCost
+                useColor = true
+            }
+        }
+
+        // Rename item and add renaming cost
+        resultItem.itemMeta?.let {
+            val hasDisplayName = it.hasDisplayName()
+            val displayName = if (!hasDisplayName) null
+            else if (useColor) it.displayName
+            else ChatColor.stripColor(it.displayName)
+
+
+            if (!displayName.contentEquals(renameText) && !(displayName == null &&
+                        renameText == "" ||
+                        //TODO on recent paper check effective name instead
+                        renameText == CasedStringUtil.snakeToUpperSpacedCase(resultItem.type.name.lowercase())
+                        )
+            ) {
+                it.setDisplayName(renameText)
+                processDialogPCD(it, player)
+                resultItem.itemMeta = it
+
+                sumCost += ConfigOptions.itemRenameCost
+            }
+
+            return sumCost
+        }
+        return 0
+    }
+
+    fun doMerge(
+        view: InventoryView, //TODO use anvil view instead
+        inventory: AnvilInventory,
+        player: Player,
+        first: ItemStack, second: ItemStack
+    ): AnvilResult {
+        val newEnchants = first.findEnchantments()
+            .combineWith(second.findEnchantments(), first, player)
+        var hasChanged = !isIdentical(first.findEnchantments(), newEnchants)
+
+        val resultItem = DependencyManager.cloneItem(player, first)
+        val cost = AnvilCost()
+        if (hasChanged) {
+            resultItem.setEnchantmentsUnsafe(newEnchants)
+            // Calculate enchantment cost
+            AnvilXpUtil.getRightValues(second, resultItem, cost)
+        }
+
+        // Calculate repair cost
+        if (!first.isEnchantedBook() && !second.isEnchantedBook()) {
+            // we only need to be concerned with repair when neither item is a book
+            val repaired = resultItem.repairFrom(first, second)
+            cost.repair = if (repaired) ConfigOptions.itemRepairCost else 0
+            hasChanged = hasChanged || repaired
+        }
+
+        // Test/stop if nothing changed.
+        if (!hasChanged) {
+            CustomAnvil.log("Mergeable with second, But input is same as output")
+            return AnvilResult.EMPTY
+        }
+        // As calculatePenalty edit result, we need to calculate penalty after checking equality
+        cost.workPenalty = AnvilXpUtil.calculatePenalty(first, second, resultItem, AnvilUseType.MERGE)
+        // Calculate rename cost
+        cost.rename = handleRename(resultItem, inventory, player)
+
+        val result =
+            DependencyManager.tryTreatAnvilResult(view, inventory, player, resultItem, AnvilUseType.MERGE, cost)
+
+        return AnvilResult(result, cost)
+    }
+
+    private fun isIdentical(
+        firstEnchants: MutableMap<CAEnchantment, Int>,
+        resultEnchants: MutableMap<CAEnchantment, Int>
+    ): Boolean {
+        if (firstEnchants.size != resultEnchants.size) return false
+        for (entry in resultEnchants) {
+            if (firstEnchants.getOrDefault(entry.key, entry.value - 1) != entry.value) return false
+        }
+
+        return true
+    }
+
+    // return true if a custom recipe exist with these ingredients
+    fun testCustomRecipe(
+        view: InventoryView, //TODO use anvil view instead
+        inventory: AnvilInventory,
+        player: Player,
+        first: ItemStack, second: ItemStack?
+    ): CustomCraftResult {
+        val recipe = CustomRecipeUtil.getCustomRecipe(first, second)
+        CustomAnvil.verboseLog("custom recipe not null? ${recipe != null}")
+        if (recipe == null) return CustomCraftResult.EMPTY
+
+        val amount = CustomRecipeUtil.getCustomRecipeAmount(recipe, first, second)
+
+        val resultItem: ItemStack = DependencyManager.cloneItem(player, recipe.resultItem!!)
+        resultItem.amount *= amount
+
+        // Maybe add an option on custom craft to ignore/not ignore penalty ??
+        val xpCost = recipe.determineCost(amount, first, resultItem)
+
+        val cost = CustomCraftCost(xpCost)
+        // This is for displayed cost
+        cost.recipe = if (recipe.removeExactLinearXp) AnvilXpUtil.calculateMinimumLevelForXp(xpCost)
+        else AnvilXpUtil.calculateLevelForXp(xpCost)
+
+        val result =
+            DependencyManager.tryTreatAnvilResult(view, inventory, player, resultItem, AnvilUseType.CUSTOM_CRAFT, cost)
+        return CustomCraftResult(result, cost, amount, recipe)
+    }
+
+    fun testUnitRepair(
+        view: InventoryView, //TODO use anvil view
+        inventory: AnvilInventory,
+        player: Player,
+        first: ItemStack, second: ItemStack
+    ): UnitRepairResult {
+        val unitRepairAmount = first.getRepair(second) ?: return UnitRepairResult.EMPTY
+
+        return testUnitRepair(view, inventory, player, first, second, unitRepairAmount)
+    }
+
+    fun testUnitRepair(
+        view: InventoryView, //TODO use anvil view instead
+        inventory: AnvilInventory,
+        player: Player,
+        first: ItemStack, second: ItemStack,
+        unitRepairAmount: Double
+    ): UnitRepairResult {
+        val resultItem = DependencyManager.cloneItem(player, first)
+        val cost = AnvilCost()
+        cost.rename = handleRename(resultItem, inventory, player)
+
+        val repairAmount = resultItem.unitRepair(second.amount, unitRepairAmount)
+        if (repairAmount > 0)
+            cost.repair = repairAmount * ConfigOptions.unitRepairCost
+
+        // We do not care about right item penalty for unit repair
+        cost.workPenalty = AnvilXpUtil.calculatePenalty(first, null, resultItem, AnvilUseType.UNIT_REPAIR)
+
+        // Test/stop if nothing changed.
+        if (first == resultItem) {
+            CustomAnvil.log("unit repair, But input is same as output")
+            return UnitRepairResult.EMPTY
+        }
+
+        val result =
+            DependencyManager.tryTreatAnvilResult(view, inventory, player, resultItem, AnvilUseType.UNIT_REPAIR, cost)
+        return UnitRepairResult(result, cost, repairAmount)
+    }
+
+    fun testLoreEdit(
+        player: Player,
+        first: ItemStack, second: ItemStack
+    ): LoreEditResult {
+        val type = second.type
+
+        val result = if (Material.WRITABLE_BOOK == type)
+            AnvilLoreEditUtil.tryLoreEditByBook(player, first, second)
+        else if (Material.PAPER == type)
+            AnvilLoreEditUtil.tryLoreEditByPaper(player, first, second)
+        else LoreEditResult.EMPTY
+
+        if (result.isEmpty()) return result
+
+        if (result.item!!.isAir || first == result.item) {
+            CustomAnvil.log("lore edit, But input is same as output")
+            return LoreEditResult.EMPTY
+        }
+
+        return result
+    }
+
+}

src/main/kotlin/xyz/alexcrea/cuanvil/anvil/AnvilUseType.kt

@@ -1,60 +1,60 @@
-package xyz.alexcrea.cuanvil.util
+package xyz.alexcrea.cuanvil.anvil
 
 import org.bukkit.Material
-import xyz.alexcrea.cuanvil.config.WorkPenaltyType.WorkPenaltyPart
+import xyz.alexcrea.cuanvil.config.WorkPenaltyType
-import xyz.alexcrea.cuanvil.util.config.LoreEditType
+import xyz.alexcrea.cuanvil.util.anvil.AnvilUseTypeUtil
 
 enum class AnvilUseType(
     val typeName: String, val path: String,
-    val defaultPenalty: WorkPenaltyPart,
+    val defaultPenalty: WorkPenaltyType.WorkPenaltyPart,
     val displayName: String, val displayMat: Material
 ) {
 
     RENAME_ONLY(
         "rename_only",
-        WorkPenaltyPart(false, true),
+        WorkPenaltyType.WorkPenaltyPart(false, true),
         "Rename Only", Material.NAME_TAG
     ),
     MERGE(
         "merge",
-        WorkPenaltyPart(true, true),
+        WorkPenaltyType.WorkPenaltyPart(true, true),
         "Merge", Material.ANVIL
     ),
     UNIT_REPAIR(
         "unit_repair",
-        WorkPenaltyPart(true, true),
+        WorkPenaltyType.WorkPenaltyPart(true, true),
         "Unit Repair", Material.DIAMOND
     ),
     CUSTOM_CRAFT(
         "custom_craft",
-        WorkPenaltyPart(false, false),
+        WorkPenaltyType.WorkPenaltyPart(false, false),
         "Custom Craft", Material.CRAFTING_TABLE
     ),
     LORE_EDIT_BOOK_APPEND(
         "lore_edit_book_append", "lore_edit.book_and_quil.append",
-        WorkPenaltyPart(false, false),
+        WorkPenaltyType.WorkPenaltyPart(false, false),
         "Book Add", Material.WRITABLE_BOOK
     ),
     LORE_EDIT_BOOK_REMOVE(
         "lore_edit_book_remove", "lore_edit.book_and_quil.remove",
-        WorkPenaltyPart(false, false),
+        WorkPenaltyType.WorkPenaltyPart(false, false),
         "Book Remove", Material.WRITABLE_BOOK
     ),
     LORE_EDIT_PAPER_APPEND(
         "lore_edit_paper_append", "lore_edit.paper.append_line",
-        WorkPenaltyPart(false, false),
+        WorkPenaltyType.WorkPenaltyPart(false, false),
         "Paper Add", Material.WRITABLE_BOOK
     ),
     LORE_EDIT_PAPER_REMOVE(
         "lore_edit_paper_remove", "lore_edit.paper.remove_line",
-        WorkPenaltyPart(false, false),
+        WorkPenaltyType.WorkPenaltyPart(false, false),
         "Paper Remove", Material.WRITABLE_BOOK
     ),
     ;
 
     constructor(
         typeName: String,
-        defaultPenalty: WorkPenaltyPart,
+        defaultPenalty: WorkPenaltyType.WorkPenaltyPart,
         displayName: String, displayMat: Material
     ) :
             this(

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/DependencyManager.kt

@@ -7,15 +7,19 @@ import org.bukkit.Bukkit
 import org.bukkit.ChatColor
 import org.bukkit.command.CommandSender
 import org.bukkit.entity.HumanEntity
+import org.bukkit.entity.Player
 import org.bukkit.event.inventory.InventoryClickEvent
 import org.bukkit.event.inventory.PrepareAnvilEvent
 import org.bukkit.inventory.AnvilInventory
 import org.bukkit.inventory.Inventory
+import org.bukkit.inventory.InventoryView
 import org.bukkit.inventory.ItemStack
+import xyz.alexcrea.cuanvil.anvil.AnvilCost
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType
 import xyz.alexcrea.cuanvil.api.event.listener.CAClickResultBypassEvent
 import xyz.alexcrea.cuanvil.api.event.listener.CAEarlyPreAnvilBypassEvent
 import xyz.alexcrea.cuanvil.api.event.listener.CAPreAnvilBypassEvent
-import xyz.alexcrea.cuanvil.api.event.listener.CATreatAnvilResultEvent
+import xyz.alexcrea.cuanvil.api.event.listener.CATreatAnvilResult2Event
 import xyz.alexcrea.cuanvil.config.ConfigHolder
 import xyz.alexcrea.cuanvil.dependency.datapack.DataPackDependency
 import xyz.alexcrea.cuanvil.dependency.gui.GenericExternGuiTester
@@ -29,7 +33,6 @@ import xyz.alexcrea.cuanvil.dependency.scheduler.TaskScheduler
 import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil
 import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil.componentLore
 import xyz.alexcrea.cuanvil.listener.PrepareAnvilListener.Companion.ANVIL_OUTPUT_SLOT
-import xyz.alexcrea.cuanvil.util.AnvilUseType
 import xyz.alexcrea.cuanvil.util.MetricsUtil.trackError
 import java.util.logging.Level
 
@@ -198,7 +201,7 @@ object DependencyManager {
     }
 
     // Return true if should bypass (either by a dependency or error)
-    fun tryEventPreAnvilBypass(event: PrepareAnvilEvent, player: HumanEntity): Boolean {
+    fun tryEventPreAnvilBypass(event: PrepareAnvilEvent, player: Player): Boolean {
         try {
             return unsafeTryEventPreAnvilBypass(event, player)
         } catch (e: Exception) {
@@ -207,7 +210,7 @@ object DependencyManager {
         }
     }
 
-    private fun unsafeTryEventPreAnvilBypass(event: PrepareAnvilEvent, player: HumanEntity): Boolean {
+    private fun unsafeTryEventPreAnvilBypass(event: PrepareAnvilEvent, player: Player): Boolean {
         // Run the event
         val bypassEvent = CAPreAnvilBypassEvent(event)
         Bukkit.getPluginManager().callEvent(bypassEvent)
@@ -232,22 +235,24 @@ object DependencyManager {
 
     // Return null if there was an issue
     fun tryTreatAnvilResult(
-        event: PrepareAnvilEvent,
+        view: InventoryView,
+        inventory: Inventory, // TODO REMOVE, use view instead on legacy removal
+        player: HumanEntity,
         result: ItemStack,
         useType: AnvilUseType,
-        cost: Int
+        cost: AnvilCost
-    ): CATreatAnvilResultEvent? {
+    ): ItemStack? {
-        val treatEvent = CATreatAnvilResultEvent(event, useType, result, cost)
+        val treatEvent = CATreatAnvilResult2Event(view, inventory, useType, result, cost)
         try {
             unsafeTryTreatAnvilResult(treatEvent)
-            return treatEvent;
+            return treatEvent.result
         } catch (e: Exception) {
-            logExceptionAndClear(event.view.player, event.inventory, e)
+            logExceptionAndClear(player, inventory, e)
             return null
         }
     }
 
-    private fun unsafeTryTreatAnvilResult(event: CATreatAnvilResultEvent) {
+    private fun unsafeTryTreatAnvilResult(event: CATreatAnvilResult2Event) {
         Bukkit.getPluginManager().callEvent(event)
 
         excellentEnchantsCompatibility?.treatAnvilResult(event)
@@ -293,11 +298,11 @@ object DependencyManager {
     }
 
     // Clone item and use plugin specific clone if needed
-    fun cloneItem(event: PrepareAnvilEvent, item: ItemStack): ItemStack {
+    fun cloneItem(player: HumanEntity, item: ItemStack): ItemStack {
         try {
             return unsafeCloneItem(item)
         } catch (e: Exception) {
-            logException(event.view.player, e)
+            logException(player, e)
             return item.clone()
         }
     }

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/economy/EconomyManager.kt

@@ -0,0 +1,32 @@
+package xyz.alexcrea.cuanvil.dependency.economy
+
+import org.bukkit.entity.Player
+import org.bukkit.plugin.Plugin
+import java.math.BigDecimal
+
+interface EconomyManager {
+
+    companion object {
+        var economy: EconomyManager? = null
+
+        fun setupEconomy(plugin: Plugin) {
+            if (plugin.server.pluginManager.getPlugin("Vault") == null)
+                return
+            if (UnlockedEconomyManager.unlockedAvailable())
+                economy = UnlockedEconomyManager(plugin)
+
+            if (economy == null || !economy!!.initialized())
+                economy = VaultEconomyManager(plugin)
+        }
+
+    }
+
+    fun initialized(): Boolean
+
+    // We assume "initialized" got checked before these function get called
+    fun has(player: Player, money: BigDecimal): Boolean
+    fun remove(player: Player, money: BigDecimal): Boolean
+
+    fun format(money: BigDecimal): String;
+
+}

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/economy/UnlockedEconomyManager.kt

@@ -0,0 +1,74 @@
+package xyz.alexcrea.cuanvil.dependency.economy
+
+import io.delilaheve.util.ConfigOptions
+import net.milkbowl.vault2.economy.Economy
+import org.bukkit.entity.Player
+import org.bukkit.plugin.Plugin
+import java.math.BigDecimal
+
+class UnlockedEconomyManager : EconomyManager {
+
+    val plugin: String
+    val economy: Economy?
+
+    companion object {
+        fun unlockedAvailable(): Boolean {
+            try {
+                Class.forName("net.milkbowl.vault2.economy.Economy")
+                return true
+            } catch (_: ClassNotFoundException) {
+                return false
+            }
+        }
+    }
+
+    constructor(plugin: Plugin) {
+        this.plugin = plugin.name
+
+        val rsp = plugin.server.servicesManager.getRegistration(Economy::class.java)
+        economy = rsp?.getProvider()
+    }
+
+    override fun initialized(): Boolean {
+        return economy != null
+    }
+
+    private fun currency(): String {
+        val configured = ConfigOptions.usedCurrency
+
+        return if ("default".equals(configured, true))
+            economy!!.getDefaultCurrency(plugin)
+        else configured
+    }
+
+    override fun has(player: Player, money: BigDecimal): Boolean {
+        if (money.signum() <= 0) return true
+
+        return economy!!.has(
+            plugin,
+            player.uniqueId,
+            player.world.name,
+            currency(),
+            money
+        )
+    }
+
+    override fun remove(player: Player, money: BigDecimal): Boolean {
+        if (money.signum() <= 0) return true
+
+        return economy!!.withdraw(
+            plugin,
+            player.uniqueId,
+            player.world.name,
+            currency(),
+            money
+        )
+            .transactionSuccess()
+    }
+
+    override fun format(money: BigDecimal): String {
+        return economy!!.format(plugin, money, currency())
+    }
+
+
+}

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/economy/VaultEconomyManager.kt

@@ -0,0 +1,37 @@
+package xyz.alexcrea.cuanvil.dependency.economy
+
+import net.milkbowl.vault.economy.Economy
+import org.bukkit.entity.Player
+import org.bukkit.plugin.Plugin
+import java.math.BigDecimal
+
+class VaultEconomyManager : EconomyManager {
+
+    val economy: Economy?
+
+    constructor(plugin: Plugin) {
+        val rsp = plugin.server.servicesManager.getRegistration(Economy::class.java)
+        economy = rsp?.getProvider()
+    }
+
+    override fun initialized(): Boolean {
+        return economy != null
+    }
+
+    override fun has(player: Player, money: BigDecimal): Boolean {
+        if (money.signum() <= 0) return true
+
+        return economy!!.has(player, money.toDouble())
+    }
+
+    override fun remove(player: Player, money: BigDecimal): Boolean {
+        if (money.signum() <= 0) return true
+
+        return economy!!.withdrawPlayer(player, money.toDouble()).transactionSuccess()
+    }
+
+    override fun format(money: BigDecimal): String {
+        return economy!!.format(money.toDouble())
+    }
+
+}

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/plugins/DisenchantmentDependency.kt

@@ -8,15 +8,16 @@ import com.jankominek.disenchantment.events.ShatterEvent
 import com.jankominek.disenchantment.listeners.DisenchantClickListener
 import com.jankominek.disenchantment.listeners.ShatterClickListener
 import io.delilaheve.CustomAnvil
-import org.bukkit.entity.HumanEntity
+import org.bukkit.entity.Player
 import org.bukkit.event.Listener
 import org.bukkit.event.inventory.InventoryClickEvent
 import org.bukkit.event.inventory.PrepareAnvilEvent
 import org.bukkit.inventory.AnvilInventory
 import org.bukkit.inventory.ItemStack
+import xyz.alexcrea.cuanvil.anvil.AnvilCost
 import xyz.alexcrea.cuanvil.listener.PrepareAnvilListener
-import xyz.alexcrea.cuanvil.util.AnvilXpUtil
 import xyz.alexcrea.cuanvil.util.MetricsUtil.trackError
+import xyz.alexcrea.cuanvil.util.anvil.AnvilXpUtil
 import java.util.logging.Level
 import kotlin.reflect.KClass
 
@@ -50,7 +51,7 @@ class DisenchantmentDependency {
         InventoryClickEvent.getHandlerList().unregister(listener)
     }
 
-    fun testPrepareAnvil(event: PrepareAnvilEvent, player: HumanEntity): Boolean {
+    fun testPrepareAnvil(event: PrepareAnvilEvent, player: Player): Boolean {
         val previousResult = event.result
         event.result = null
 
@@ -58,14 +59,14 @@ class DisenchantmentDependency {
         DisenchantEvent.onEvent(event)
         if (event.result != null) {
             CustomAnvil.log("Detected pre anvil item extract bypass.")
-            AnvilXpUtil.setAnvilInvXp(event.inventory, event.view, player, event.inventory.repairCost)
+            AnvilXpUtil.setAnvilInvCost(event.inventory, event.view, player, AnvilCost(event.inventory.repairCost))
             return true
         }
 
         ShatterEvent.onEvent(event)
         if (event.result != null) {
             CustomAnvil.log("Detected pre anvil split enchant bypass.")
-            AnvilXpUtil.setAnvilInvXp(event.inventory, event.view, player, event.inventory.repairCost)
+            AnvilXpUtil.setAnvilInvCost(event.inventory, event.view, player, AnvilCost(event.inventory.repairCost))
             return true
         }
 

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/plugins/ExcellentEnchantsDependency.kt

@@ -8,11 +8,12 @@ import org.bukkit.event.inventory.PrepareAnvilEvent
 import org.bukkit.inventory.ItemStack
 import org.bukkit.plugin.RegisteredListener
 import xyz.alexcrea.cuanvil.api.EnchantmentApi
-import xyz.alexcrea.cuanvil.api.event.listener.CATreatAnvilResultEvent
+import xyz.alexcrea.cuanvil.api.event.listener.CATreatAnvilResult2Event
 import xyz.alexcrea.cuanvil.enchant.wrapped.CAEEPreV5Enchantment
 import xyz.alexcrea.cuanvil.enchant.wrapped.CAEEV5Enchantment
 import xyz.alexcrea.cuanvil.enchant.wrapped.CAEEV5_4Enchantment
 import xyz.alexcrea.cuanvil.enchant.wrapped.CALegacyEEEnchantment
+import xyz.alexcrea.cuanvil.util.ModernPrepareAnvilCreator
 import java.lang.reflect.Method
 import su.nightexpress.excellentenchants.api.EnchantRegistry as V5EnchantRegistry
 import su.nightexpress.excellentenchants.enchantment.impl.universal.CurseOfFragilityEnchant as LegacyCurseOfFragilityEnchant
@@ -218,14 +219,20 @@ class ExcellentEnchantsDependency {
         return handleRechargeMethod.invoke(this.usedAnvilListener, event, first, second) as Boolean
     }
 
-    fun treatAnvilResult(event: CATreatAnvilResultEvent) {
+    fun treatAnvilResult(event: CATreatAnvilResult2Event) {
-        val result = event.result
+        val result = event.result ?: return
-        if (result == null) return
 
-        val first: ItemStack = treatInput(event.event.inventory.getItem(0))
+        val first: ItemStack = treatInput(event.leftItem)
-        val second: ItemStack = treatInput(event.event.inventory.getItem(1))
+        val second: ItemStack = treatInput(event.rightItem)
+        val fakeEvent: PrepareAnvilEvent = try {
+            //TODO remove this on legacy removal
+            PrepareAnvilEvent(event.view, result)
+        } catch (_: NoSuchMethodError) {
+            ModernPrepareAnvilCreator.createPrepareAnvil(event.view, result)
+        }
+        handleCombineMethod.invoke(this.usedAnvilListener, fakeEvent, first, second, result)
 
-        handleCombineMethod.invoke(this.usedAnvilListener, event.event, first, second, result)
+        event.result = fakeEvent.result
     }
 
     fun testAnvilResult(event: InventoryClickEvent): Any {

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/plugins/HavenBagsDependency.kt

@@ -1,7 +1,7 @@
 package xyz.alexcrea.cuanvil.dependency.plugins
 
 import io.delilaheve.CustomAnvil
-import org.bukkit.entity.HumanEntity
+import org.bukkit.entity.Player
 import org.bukkit.event.inventory.InventoryClickEvent
 import org.bukkit.event.inventory.PrepareAnvilEvent
 import org.bukkit.inventory.AnvilInventory
@@ -9,8 +9,9 @@ import org.bukkit.plugin.RegisteredListener
 import valorless.havenbags.HavenBags
 import valorless.havenbags.features.BagSkin
 import valorless.havenbags.features.BagUpgrade
+import xyz.alexcrea.cuanvil.anvil.AnvilCost
 import xyz.alexcrea.cuanvil.listener.PrepareAnvilListener
-import xyz.alexcrea.cuanvil.util.AnvilXpUtil
+import xyz.alexcrea.cuanvil.util.anvil.AnvilXpUtil
 
 class HavenBagsDependency {
 
@@ -45,7 +46,7 @@ class HavenBagsDependency {
 
     }
 
-    fun testPrepareAnvil(event: PrepareAnvilEvent, player: HumanEntity): Boolean {
+    fun testPrepareAnvil(event: PrepareAnvilEvent, player: Player): Boolean {
         val previousResult = event.result
         event.result = null
 
@@ -53,14 +54,14 @@ class HavenBagsDependency {
         bagSkin.onPrepareAnvil(event)
         if (event.result != null) {
             CustomAnvil.log("Detected pre anvil heaven bag anvil skin.")
-            AnvilXpUtil.setAnvilInvXp(event.inventory, event.view, player, event.inventory.repairCost)
+            AnvilXpUtil.setAnvilInvCost(event.inventory, event.view, player, AnvilCost(event.inventory.repairCost))
             return true
         }
 
         bagUpgrade.onPrepareAnvil(event)
         if (event.result != null) {
             CustomAnvil.log("Detected pre anvil heaven bag anvil upgrade.")
-            AnvilXpUtil.setAnvilInvXp(event.inventory, event.view, player, event.inventory.repairCost)
+            AnvilXpUtil.setAnvilInvCost(event.inventory, event.view, player, AnvilCost(event.inventory.repairCost))
             return true
         }
 

src/main/kotlin/xyz/alexcrea/cuanvil/listener/AnvilResultListener.kt

@@ -3,7 +3,6 @@ package xyz.alexcrea.cuanvil.listener
 import io.delilaheve.CustomAnvil
 import io.delilaheve.util.ConfigOptions
 import io.delilaheve.util.ItemUtil.canMergeWith
-import io.delilaheve.util.ItemUtil.unitRepair
 import org.bukkit.GameMode
 import org.bukkit.Material
 import org.bukkit.entity.Player
@@ -16,22 +15,25 @@ import org.bukkit.inventory.AnvilInventory
 import org.bukkit.inventory.InventoryView
 import org.bukkit.inventory.ItemStack
 import org.bukkit.inventory.meta.BookMeta
+import xyz.alexcrea.cuanvil.anvil.AnvilCost
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.AnvilResult
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.CustomCraftResult
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.LoreEditResult
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.UnitRepairResult
 import xyz.alexcrea.cuanvil.dependency.DependencyManager
+import xyz.alexcrea.cuanvil.dependency.economy.EconomyManager
 import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil.setComponentDisplayName
 import xyz.alexcrea.cuanvil.listener.PrepareAnvilListener.Companion.ANVIL_INPUT_LEFT
 import xyz.alexcrea.cuanvil.listener.PrepareAnvilListener.Companion.ANVIL_INPUT_RIGHT
 import xyz.alexcrea.cuanvil.listener.PrepareAnvilListener.Companion.ANVIL_OUTPUT_SLOT
-import xyz.alexcrea.cuanvil.recipe.AnvilCustomRecipe
-import xyz.alexcrea.cuanvil.util.AnvilLoreEditUtil
-import xyz.alexcrea.cuanvil.util.AnvilUseType
-import xyz.alexcrea.cuanvil.util.AnvilXpUtil
 import xyz.alexcrea.cuanvil.util.CustomRecipeUtil
 import xyz.alexcrea.cuanvil.util.MiniMessageUtil
-import xyz.alexcrea.cuanvil.util.UnitRepairUtil.getRepair
+import xyz.alexcrea.cuanvil.util.anvil.AnvilLoreEditUtil
+import xyz.alexcrea.cuanvil.util.anvil.AnvilXpUtil
 import xyz.alexcrea.cuanvil.util.config.LoreEditConfigUtil
 import xyz.alexcrea.cuanvil.util.config.LoreEditType
 import java.util.*
-import java.util.concurrent.atomic.AtomicInteger
 import java.util.concurrent.atomic.AtomicReference
 import kotlin.math.min
 
@@ -50,6 +52,7 @@ class AnvilResultListener : Listener {
     fun anvilExtractionCheck(event: InventoryClickEvent) {
         val player = event.whoClicked as? Player ?: return
         val inventory = event.inventory as? AnvilInventory ?: return
+        val view = event.view
 
         if (event.rawSlot != ANVIL_OUTPUT_SLOT) {
             return
@@ -64,84 +67,104 @@ class AnvilResultListener : Listener {
         val leftItem = inventory.getItem(ANVIL_INPUT_LEFT) ?: return
         val rightItem = inventory.getItem(ANVIL_INPUT_RIGHT)
 
+        // Deny by default. allow if working
+        event.result = Event.Result.DENY
         if (GameMode.CREATIVE != player.gameMode && inventory.repairCost >= inventory.maximumRepairCost) {
-            event.result = Event.Result.DENY
             return
         }
 
         // Test custom recipe
-        val recipe = CustomRecipeUtil.getCustomRecipe(leftItem, rightItem)
+        val customRecipeResult = AnvilMergeLogic.testCustomRecipe(view, inventory, player, leftItem, rightItem)
-        if (recipe != null) {
+        if (!customRecipeResult.isEmpty()) {
-            event.result = Event.Result.ALLOW
             onCustomCraft(
-                event, recipe, player,
+                event, player, inventory,
-                leftItem, rightItem, output, inventory
+                leftItem, rightItem, customRecipeResult
             )
             return
         }
 
         // Do not continue if there was no change
         if ((output == inventory.getItem(ANVIL_INPUT_LEFT))) {
-            event.result = Event.Result.DENY
             return
         }
 
         // Rename
         if (rightItem == null) {
-            event.result = Event.Result.ALLOW
+            val result = AnvilMergeLogic.doRenaming(view, inventory, player, leftItem)
+            if (result.isEmpty()) return
+
+            extractAnvilResult(
+                event, player, inventory,
+                null, 0,
+                null, 0,
+                result
+            )
             return
         }
 
         // Merge
         val canMerge = leftItem.canMergeWith(rightItem)
         if (canMerge) {
-            event.result = Event.Result.ALLOW
+            val result = AnvilMergeLogic.doMerge(view, inventory, player, leftItem, rightItem)
+
+            extractAnvilResult(
+                event, player, inventory,
+                null, 0,
+                null, 0,
+                result
+            )
             return
         }
 
         // Unit repair
-        val unitRepairResult = leftItem.getRepair(rightItem)
+        val unitRepairResult = AnvilMergeLogic.testUnitRepair(
-        if (unitRepairResult != null) {
+            view, inventory, player,
+            leftItem, rightItem
+        )
+        if (unitRepairResult.isEmpty()) {
             onUnitRepairExtract(
-                leftItem, rightItem, output,
+                rightItem, event, player, inventory,
-                unitRepairResult, event, player, inventory
+                unitRepairResult
             )
             return
         }
 
         // For lore edit
-        if (handleBookLoreEdit(event, inventory, player, leftItem, rightItem, output)) {
+        val loreResult = AnvilMergeLogic.testLoreEdit(player, leftItem, rightItem)
-            return
+        if (!loreResult.isEmpty()) {
-        } else if (handlePaperLoreEdit(event, inventory, player, leftItem, rightItem, output)) {
+            if (loreResult.type.isBook)
+                handleBookLoreEdit(event, inventory, player, leftItem, rightItem, loreResult)
+            else
+                handlePaperLoreEdit(event, inventory, player, leftItem, rightItem, loreResult)
             return
         }
-
-        // Else there was no working situation somehow so we deny
-        event.result = Event.Result.DENY
     }
 
     private fun onCustomCraft(
         event: InventoryClickEvent,
-        recipe: AnvilCustomRecipe,
         player: Player,
+        inventory: AnvilInventory,
         leftItem: ItemStack,
         rightItem: ItemStack?,
-        output: ItemStack,
+        result: CustomCraftResult,
-        inventory: AnvilInventory
     ) {
-        event.result = Event.Result.DENY
+        val recipe = result.recipe!!
-
+        val rawCost = result.customCraftCost.rawCost
-        if (recipe.leftItem == null) return // in case it changed
-
-        val amount = CustomRecipeUtil.getCustomRecipeAmount(recipe, leftItem, rightItem)
-        val xpCost = recipe.determineCost(amount, leftItem, output)
         val finalCost =
-            if (recipe.removeExactLinearXp) xpCost
+            if (recipe.removeExactLinearXp) rawCost
-            else AnvilXpUtil.calculateLevelForXp(xpCost)
+            else AnvilXpUtil.calculateLevelForXp(rawCost)
+
+        CustomAnvil.log(
+            "gamemode: ${player.gameMode != GameMode.CREATIVE}, " +
+                    "cost: $finalCost, level: ${player.level}, " +
+                    "result: ${player.totalExperience < finalCost} ${player.level < finalCost}"
+        )
 
-        CustomAnvil.log("gamemode: ${player.gameMode != GameMode.CREATIVE}, cost: $finalCost, level: ${player.level}, result: ${player.totalExperience < finalCost} ${player.level < finalCost}")
         if (player.gameMode != GameMode.CREATIVE) {
-            if (recipe.removeExactLinearXp) {
+            if (ConfigOptions.shouldUseMoney(player)) {
+                result.cost.isMonetary = true
+                if (!EconomyManager.economy!!.has(player, result.cost.asMonetaryCost())) return
+            } else if (recipe.removeExactLinearXp) {
                 val levelXp = AnvilXpUtil.calculateXpForLevel(player.level)
                 val delta = AnvilXpUtil.calculateXpForLevel(player.level + 1) - levelXp
                 val totalXp = levelXp + player.exp * delta
@@ -158,31 +181,31 @@ class AnvilResultListener : Listener {
         if (event.click != ClickType.MIDDLE &&
             !handleCustomCraftClick(
                 event,
-                recipe,
                 inventory,
                 player,
                 leftItem,
                 rightItem,
-                amount,
+                result
-                finalCost,
-                recipe.removeExactLinearXp
             )
         ) return
 
         // Finally, we add the item to the player
         if (slotDestination.type == SlotType.CURSOR) {
-            player.setItemOnCursor(output)
+            player.setItemOnCursor(result.item)
         } else {// We assume SlotType == SlotType.INVENTORY
-            player.inventory.setItem(slotDestination.slot, output)
+            player.inventory.setItem(slotDestination.slot, result.item)
         }
     }
 
     private fun handleCustomCraftClick(
-        event: InventoryClickEvent, recipe: AnvilCustomRecipe,
+        event: InventoryClickEvent,
         inventory: AnvilInventory, player: Player,
         leftItem: ItemStack, rightItem: ItemStack?,
-        amount: Int, xpCost: Int, linearCost: Boolean = false
+        result: CustomCraftResult
     ): Boolean {
+        val amount = result.amount
+        val recipe = result.recipe!!
+
         // We remove what should be removed
         if (rightItem != null) {
             if (recipe.rightItem == null) return false// in case it changed
@@ -194,25 +217,7 @@ class AnvilResultListener : Listener {
         leftItem.amount -= amount * recipe.leftItem!!.amount
         inventory.setItem(ANVIL_INPUT_LEFT, leftItem)
 
-        if (player.gameMode != GameMode.CREATIVE) {
+        removeCustomCraftCost(player, result)
-            if (linearCost) {
-                val levelXp = AnvilXpUtil.calculateXpForLevel(player.level)
-                val delta = AnvilXpUtil.calculateXpForLevel(player.level + 1) - levelXp
-                var totalXp = levelXp + player.exp * delta
-                totalXp -= xpCost
-
-                val newLevel = AnvilXpUtil.calculateLevelForXp(totalXp.toInt())
-
-                val newLevelXp = AnvilXpUtil.calculateXpForLevel(newLevel)
-                val newDelta = AnvilXpUtil.calculateXpForLevel(newLevel + 1) - newLevelXp
-                val xp = (totalXp - newLevelXp) / newDelta
-
-                player.level = newLevel
-                player.exp = xp / newDelta
-            } else {
-                player.level -= xpCost
-            }
-        }
 
         // Then we try to find the new values for the anvil
         val newAmount = CustomRecipeUtil.getCustomRecipeAmount(recipe, leftItem, rightItem)
@@ -236,6 +241,47 @@ class AnvilResultListener : Listener {
         return true
     }
 
+    private fun removeCustomCraftCost(player: Player, result: CustomCraftResult) {
+        if (player.gameMode == GameMode.CREATIVE) return
+
+        val rawCost = result.customCraftCost.rawCost
+        if (result.cost.isMonetary) {
+            EconomyManager.economy!!.remove(player, result.cost.asMonetaryCost())
+            return
+        }
+
+        if (result.recipe!!.removeExactLinearXp) {
+            val levelXp = AnvilXpUtil.calculateXpForLevel(player.level)
+            val delta = AnvilXpUtil.calculateXpForLevel(player.level + 1) - levelXp
+            var totalXp = levelXp + player.exp * delta
+            totalXp -= rawCost
+
+            val newLevel = AnvilXpUtil.calculateLevelForXp(totalXp.toInt())
+
+            val newLevelXp = AnvilXpUtil.calculateXpForLevel(newLevel)
+            val newDelta = AnvilXpUtil.calculateXpForLevel(newLevel + 1) - newLevelXp
+            val xp = (totalXp - newLevelXp) / newDelta
+
+            player.level = newLevel
+            player.exp = xp / newDelta
+        } else {
+            player.level -= AnvilXpUtil.calculateLevelForXp(rawCost)
+        }
+
+    }
+
+    private fun tryRemoveCost(player: Player, cost: AnvilCost): Boolean {
+        if (player.gameMode == GameMode.CREATIVE) return true
+        if (cost.isMonetary) {
+            val result = EconomyManager.economy!!.remove(player, cost.asMonetaryCost())
+            if (!result) return false
+        } else {
+            player.level -= cost.asXpCost()
+        }
+
+        return true
+    }
+
     private fun extractAnvilResult(
         event: InventoryClickEvent,
         player: Player,
@@ -244,15 +290,17 @@ class AnvilResultListener : Listener {
         leftRemoveCount: Int,
         rightItem: ItemStack?,
         rightRemoveCount: Int,
-        output: ItemStack,
+        result: AnvilResult
-        repairCost: Int,
     ): Boolean {
+        if (result.isEmpty()) return false
+
         // To avoid vanilla, we cancel the event
         event.result = Event.Result.DENY
         event.isCancelled = true
+        val cost = result.cost
 
-        // Assumed if player do not have enough xp then it returned MIN_VALUE
+        processCost(inventory, player, cost)
-        if (repairCost == Int.MIN_VALUE) return false
+        if (!cost.valid && player.gameMode != GameMode.CREATIVE) return false
 
         // Where should we get the item
         val slotDestination = getActionSlot(event, player)
@@ -260,6 +308,8 @@ class AnvilResultListener : Listener {
 
         // If not creative middle click...
         if (event.click != ClickType.MIDDLE) {
+            if (!tryRemoveCost(player, cost)) return false
+
             // We remove what should be removed
             if (leftItem != null) leftItem.amount -= leftRemoveCount
             inventory.setItem(ANVIL_INPUT_LEFT, leftItem)
@@ -268,99 +318,58 @@ class AnvilResultListener : Listener {
             inventory.setItem(ANVIL_INPUT_RIGHT, rightItem)
 
             inventory.setItem(ANVIL_OUTPUT_SLOT, null)
-            player.level -= repairCost
+
         }
 
         // Finally, we add the item to the player
         if (SlotType.CURSOR == slotDestination.type) {
-            player.setItemOnCursor(output)
+            player.setItemOnCursor(result.item)
         } else {// We assume SlotType == SlotType.INVENTORY
-            player.inventory.setItem(slotDestination.slot, output)
+            player.inventory.setItem(slotDestination.slot, result.item)
         }
 
         // TODO probably anvil damage & sound here ??
         return true
     }
 
-    private fun onUnitRepairExtract(
+    private fun processCost(inventory: AnvilInventory, player: Player, cost: AnvilCost) {
-        leftItem: ItemStack,
+        var sum = cost.repair
-        rightItem: ItemStack,
-        output: ItemStack,
-        unitRepairResult: Double,
-        event: InventoryClickEvent,
-        player: Player,
-        inventory: AnvilInventory
-    ) {
-        val resultCopy = leftItem.clone()
-        val resultAmount = resultCopy.unitRepair(
-            rightItem.amount, unitRepairResult
-        )
-
-        // Get repair cost
-        val repairCost = getUnitRepairCost(inventory, player, leftItem, output, resultCopy, resultAmount)
-
-        // And then we give the item manually
-        extractAnvilResult(
-            event, player, inventory,
-            null, 0,
-            rightItem, resultAmount,
-            resultCopy, repairCost
-        )
-    }
-
-    private fun getUnitRepairCost(
-        inventory: AnvilInventory, player: Player,
-        leftItem: ItemStack, output: ItemStack,
-        resultCopy: ItemStack, resultAmount: Int
-    ): Int {
-        if (player.gameMode == GameMode.CREATIVE) return 0
-
-        var repairCost = 0
-        // Get repairCost
-        leftItem.itemMeta?.let { leftMeta ->
-            val leftName = leftMeta.displayName
-            output.itemMeta?.let {
-                // Rename cost
-                if (!leftName.contentEquals(it.displayName)) {
-                    repairCost += ConfigOptions.itemRenameCost
-
-                    // Color cost
-                    if (it.displayName.contains('§')) {
-                        repairCost += ConfigOptions.useOfColorCost
-                    }
-                }
-            }
-        }
-
-        repairCost += AnvilXpUtil.calculatePenalty(leftItem, null, resultCopy, AnvilUseType.UNIT_REPAIR)
-        repairCost += resultAmount * ConfigOptions.unitRepairCost
 
         if (
             !ConfigOptions.doRemoveCostLimit &&
             ConfigOptions.doCapCost
         ) {
-            repairCost = min(repairCost, ConfigOptions.maxAnvilCost)
+            val final = min(sum, ConfigOptions.maxAnvilCost)
+            cost.generic += (final - sum)
+
+            sum = final
         }
 
-        if ((inventory.maximumRepairCost <= repairCost)
+        if (ConfigOptions.shouldUseMoney(player)) {
-            || (player.level < repairCost)
+            cost.isMonetary = true
-        ) return Int.MIN_VALUE
+            if (!EconomyManager.economy!!.has(player, cost.asMonetaryCost()))
-
+                cost.valid = false
-        return repairCost
+        } else {
+            if ((inventory.maximumRepairCost <= sum)
+                || (player.level < sum)
+            ) cost.valid = false
+        }
     }
 
-    private fun getFromLoreEditXpCost(
+    private fun onUnitRepairExtract(
-        xpCost: AtomicInteger,
+        rightItem: ItemStack,
+        event: InventoryClickEvent,
         player: Player,
         inventory: AnvilInventory,
-    ): Int {
+        result: UnitRepairResult,
-        if (GameMode.CREATIVE == player.gameMode) return 0
+    ) {
-
+        // We give the item manually
-        val repairCost = xpCost.get()
+        extractAnvilResult(
-        return if ((inventory.maximumRepairCost <= repairCost)
+            event, player, inventory,
-            || (player.level < repairCost)
+            null, 0,
-        ) Int.MIN_VALUE
+            rightItem, result.repairAmount,
-        else repairCost
+            result
+        )
     }
 
     private fun handleBookLoreEdit(
@@ -369,70 +378,84 @@ class AnvilResultListener : Listener {
         player: Player,
         leftItem: ItemStack,
         rightItem: ItemStack,
-        output: ItemStack,
+        result: LoreEditResult
-    ): Boolean {
+    ) {
-        if (Material.WRITABLE_BOOK != rightItem.type) return false
+        if (result.type.isAppend)
-        val bookMeta = rightItem.itemMeta as BookMeta? ?: return false
+            handleBookLoreAppend(event, inventory, player, rightItem, result)
+        else
+            handleBookLoreRemove(event, inventory, player, leftItem, rightItem, result)
+    }
 
-        val editType = AnvilLoreEditUtil.bookLoreEditIsAppend(leftItem, rightItem) ?: return false
+    private fun handleBookLoreAppend(
+        event: InventoryClickEvent,
+        inventory: AnvilInventory,
+        player: Player,
+        rightItem: ItemStack,
+        result: LoreEditResult
+    ) {
+        val bookMeta = rightItem.itemMeta as BookMeta? ?: return
 
-        val xpCost = AtomicInteger()
+        // Remove pages to book
-        if (editType) {
+        val clearedBook: ItemStack?
-            if (output != AnvilLoreEditUtil.handleLoreAppendByBook(player, leftItem, bookMeta, xpCost)) return false
+        if (LoreEditType.APPEND_BOOK.doConsume) {
-
+            clearedBook = null
-            // Remove pages to book
-            val clearedBook: ItemStack?
-            if (LoreEditType.APPEND_BOOK.doConsume) {
-                clearedBook = null
-            } else {
-                clearedBook = rightItem.clone()
-                bookMeta.pages = Collections.emptyList()
-                clearedBook.itemMeta = bookMeta
-            }
-
-            return extractAnvilResult(
-                event, player, inventory,
-                null, 0,
-                clearedBook, 0,
-                output, getFromLoreEditXpCost(xpCost, player, inventory)
-            )
         } else {
-            if (output != AnvilLoreEditUtil.handleLoreRemoveByBook(player, leftItem, xpCost)) return false
+            clearedBook = rightItem.clone()
+            bookMeta.pages = Collections.emptyList()
+            clearedBook.itemMeta = bookMeta
+        }
 
-            // fill book meta
+        extractAnvilResult(
-            val lore = DependencyManager.stripLore(leftItem)
+            event, player, inventory,
-            if (lore.isEmpty()) return false
+            null, 0,
+            clearedBook, 0,
+            result
+        )
+    }
 
-            val rightCopy: ItemStack?
+    private fun handleBookLoreRemove(
-            if (LoreEditType.REMOVE_BOOK.doConsume) {
+        event: InventoryClickEvent,
-                rightCopy = null
+        inventory: AnvilInventory,
-            } else {
+        player: Player,
-                // Uncolor the page
+        leftItem: ItemStack,
-                AnvilLoreEditUtil.uncolorLines(player, lore, LoreEditType.REMOVE_BOOK)
+        rightItem: ItemStack,
+        result: LoreEditResult
+    ) {
+        val bookMeta = rightItem.itemMeta as BookMeta? ?: return
 
-                val bookPage = StringBuilder()
+        // fill book meta
-                lore.forEach {
+        val lore = DependencyManager.stripLore(leftItem)
-                    if (bookPage.isNotEmpty()) bookPage.append('\n')
+        if (lore.isEmpty()) return
-                    if(it == null) return@forEach
 
-                    bookPage.append(MiniMessageUtil.plain_text_mm.serialize(it))
+        val rightCopy: ItemStack?
-                }
+        if (LoreEditType.REMOVE_BOOK.doConsume) {
+            rightCopy = null
+        } else {
+            // Uncolor the page
+            AnvilLoreEditUtil.uncolorLines(player, lore, LoreEditType.REMOVE_BOOK)
 
-                val resultPage = bookPage.toString()
+            val bookPage = StringBuilder()
-                //TODO maybe check page size ? bc it may be too big ???
+            lore.forEach {
+                if (bookPage.isNotEmpty()) bookPage.append('\n')
+                if (it == null) return@forEach
 
-                rightCopy = rightItem.clone()
+                bookPage.append(MiniMessageUtil.plain_text_mm.serialize(it))
-                bookMeta.setPages(resultPage)
-                rightCopy.itemMeta = bookMeta
             }
 
-            return extractAnvilResult(
+            val resultPage = bookPage.toString()
-                event, player, inventory,
+            //TODO maybe check page size ? bc it may be too big ???
-                null, 0,
+
-                rightCopy, 0,
+            rightCopy = rightItem.clone()
-                output, getFromLoreEditXpCost(xpCost, player, inventory)
+            bookMeta.setPages(resultPage)
-            )
+            rightCopy.itemMeta = bookMeta
         }
+
+        extractAnvilResult(
+            event, player, inventory,
+            null, 0,
+            rightCopy, 0,
+            result
+        )
     }
 
     private fun handlePaperLoreEdit(
@@ -441,89 +464,106 @@ class AnvilResultListener : Listener {
         player: Player,
         leftItem: ItemStack,
         rightItem: ItemStack,
-        output: ItemStack,
+        result: LoreEditResult
-    ): Boolean {
+    ) {
-        if (Material.PAPER != rightItem.type) return false
+        if (result.type.isAppend)
-        val paperMeta = rightItem.itemMeta ?: return false
+            handlePaperLoreAppend(event, inventory, player, rightItem, result)
+        else
+            handlePaperLoreRemove(event, inventory, player, leftItem, rightItem, result)
+    }
 
-        val editTypeIsAppend = AnvilLoreEditUtil.paperLoreEditIsAppend(leftItem, rightItem) ?: return false
+    private fun handlePaperLoreAppend(
+        event: InventoryClickEvent,
+        inventory: AnvilInventory,
+        player: Player,
+        rightItem: ItemStack,
+        result: LoreEditResult
+    ) {
+        val paperMeta = rightItem.itemMeta ?: return
 
-        val xpCost = AtomicInteger()
-        if (editTypeIsAppend) {
-            if (output != AnvilLoreEditUtil.handleLoreAppendByPaper(player, leftItem, rightItem, xpCost)) return false
 
-            val paperCopy: ItemStack?
+        val paperCopy: ItemStack?
-            if (LoreEditType.APPEND_PAPER.doConsume) {
+        if (LoreEditType.APPEND_PAPER.doConsume) {
-                paperCopy = null
+            paperCopy = null
-            } else {
-                // Remove custom name to paper
-                paperCopy = rightItem.clone()
-                paperCopy.amount = 1
-                paperMeta.setComponentDisplayName(null)
-                paperCopy.itemMeta = paperMeta
-            }
-
-            return if (rightItem.amount > 1) {
-                extractAnvilResult(
-                    event, player, inventory,
-                    paperCopy, 0,
-                    rightItem, 1,
-                    output, getFromLoreEditXpCost(xpCost, player, inventory)
-                )
-            } else {
-                extractAnvilResult(
-                    event, player, inventory,
-                    null, 0,
-                    paperCopy, 0,
-                    output, getFromLoreEditXpCost(xpCost, player, inventory)
-                )
-            }
         } else {
-            if (output != AnvilLoreEditUtil.handleLoreRemoveByPaper(player, leftItem, xpCost)) return false
+            // Remove custom name to paper
+            paperCopy = rightItem.clone()
+            paperCopy.amount = 1
+            paperMeta.setComponentDisplayName(null)
 
-            val leftMeta = leftItem.itemMeta
+            // Remove pcd name
-            if (leftMeta == null || !leftMeta.hasLore()) return false
+            AnvilMergeLogic.processPCD(paperMeta, player, null)
-            val lore = DependencyManager.stripLore(leftItem)
-            if (lore.isEmpty()) return false
 
-            // Create result item
+            paperCopy.itemMeta = paperMeta
-            val rightClone: ItemStack?
-            if (LoreEditType.REMOVE_PAPER.doConsume) {
-                rightClone = null
-            } else {
-                val removeEnd = LoreEditConfigUtil.paperLoreOrderIsEnd
-                val line = if (removeEnd) lore[lore.size - 1]
-                else lore[0]
-
-                // uncolor the line
-                val ref = AtomicReference(line)
-                AnvilLoreEditUtil.uncolorLine(player, ref, LoreEditType.REMOVE_PAPER)
-
-                rightClone = rightItem.clone()
-                rightClone.amount = 1
-
-                val resultMeta = rightClone.itemMeta ?: return false
-                resultMeta.setComponentDisplayName(ref.get())
-                rightClone.itemMeta = resultMeta
-            }
-
-            return if (rightItem.amount > 1) {
-                extractAnvilResult(
-                    event, player, inventory,
-                    rightClone, 0,
-                    rightItem, 1,
-                    output, getFromLoreEditXpCost(xpCost, player, inventory)
-                )
-            } else {
-                extractAnvilResult(
-                    event, player, inventory,
-                    null, 0,
-                    rightClone, 0,
-                    output, getFromLoreEditXpCost(xpCost, player, inventory)
-                )
-            }
         }
 
+        if (rightItem.amount > 1) {
+            extractAnvilResult(
+                event, player, inventory,
+                paperCopy, 0,
+                rightItem, 1,
+                result
+            )
+        } else {
+            extractAnvilResult(
+                event, player, inventory,
+                null, 0,
+                paperCopy, 0,
+                result
+            )
+        }
+    }
+
+    private fun handlePaperLoreRemove(
+        event: InventoryClickEvent,
+        inventory: AnvilInventory,
+        player: Player,
+        leftItem: ItemStack,
+        rightItem: ItemStack,
+        result: LoreEditResult
+    ) {
+        val leftMeta = leftItem.itemMeta
+        if (leftMeta == null || !leftMeta.hasLore()) return
+
+        val lore = DependencyManager.stripLore(leftItem)
+        if (lore.isEmpty()) return
+
+        // Create result item
+        val rightClone: ItemStack?
+        if (LoreEditType.REMOVE_PAPER.doConsume) {
+            rightClone = null
+        } else {
+            val removeEnd = LoreEditConfigUtil.paperLoreOrderIsEnd
+            val line = if (removeEnd) lore[lore.size - 1]
+            else lore[0]
+
+            // uncolor the line
+            val ref = AtomicReference(line)
+            AnvilLoreEditUtil.uncolorLine(player, ref, LoreEditType.REMOVE_PAPER)
+
+            rightClone = rightItem.clone()
+            rightClone.amount = 1
+
+            val resultMeta = rightClone.itemMeta ?: return
+            resultMeta.setComponentDisplayName(ref.get())
+            rightClone.itemMeta = resultMeta
+        }
+
+        if (rightItem.amount > 1) {
+            extractAnvilResult(
+                event, player, inventory,
+                rightClone, 0,
+                rightItem, 1,
+                result
+            )
+        } else {
+            extractAnvilResult(
+                event, player, inventory,
+                null, 0,
+                rightClone, 0,
+                result
+            )
+        }
     }
 
     /**

src/main/kotlin/xyz/alexcrea/cuanvil/listener/PrepareAnvilListener.kt

@@ -3,33 +3,29 @@ package xyz.alexcrea.cuanvil.listener
 import com.github.stefvanschie.inventoryframework.util.InventoryViewUtil
 import io.delilaheve.CustomAnvil
 import io.delilaheve.util.ConfigOptions
-import io.delilaheve.util.EnchantmentUtil.combineWith
 import io.delilaheve.util.ItemUtil.canMergeWith
-import io.delilaheve.util.ItemUtil.findEnchantments
-import io.delilaheve.util.ItemUtil.isEnchantedBook
-import io.delilaheve.util.ItemUtil.repairFrom
-import io.delilaheve.util.ItemUtil.setEnchantmentsUnsafe
-import io.delilaheve.util.ItemUtil.unitRepair
-import org.bukkit.ChatColor
-import org.bukkit.Material
 import org.bukkit.entity.HumanEntity
+import org.bukkit.entity.Player
 import org.bukkit.event.EventHandler
 import org.bukkit.event.EventPriority
 import org.bukkit.event.Listener
 import org.bukkit.event.inventory.PrepareAnvilEvent
 import org.bukkit.inventory.AnvilInventory
+import org.bukkit.inventory.InventoryView
 import org.bukkit.inventory.ItemStack
 import org.bukkit.inventory.meta.EnchantmentStorageMeta
 import org.bukkit.inventory.meta.ItemMeta
-import org.bukkit.persistence.PersistentDataType
+import xyz.alexcrea.cuanvil.anvil.AnvilCost
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.AnvilResult
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.doMerge
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.doRenaming
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.testCustomRecipe
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.testLoreEdit
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.testUnitRepair
 import xyz.alexcrea.cuanvil.dependency.DependencyManager
-import xyz.alexcrea.cuanvil.dialog.AnvilRenameDialog
-import xyz.alexcrea.cuanvil.enchant.CAEnchantment
-import xyz.alexcrea.cuanvil.util.*
 import xyz.alexcrea.cuanvil.util.MaterialUtil.isAir
-import xyz.alexcrea.cuanvil.util.UnitRepairUtil.getRepair
+import xyz.alexcrea.cuanvil.util.anvil.AnvilXpUtil
 import xyz.alexcrea.cuanvil.util.dialog.AnvilRenameDialogUtil
-import java.util.concurrent.atomic.AtomicInteger
 
 /**
  * Listener for anvil events
@@ -44,8 +40,6 @@ class PrepareAnvilListener : Listener {
         const val ANVIL_OUTPUT_SLOT = 2
 
         var IS_EMPTY_TEST = false
-
-        private const val RENAME_DIALOG_PERMISSION = "ca.rename.dialog"
     }
 
     /**
@@ -53,23 +47,27 @@ class PrepareAnvilListener : Listener {
      */
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     fun anvilCombineCheck(event: PrepareAnvilEvent) {
-        // Should find player
+        val view = event.view
-        val player: HumanEntity = InventoryViewUtil.getInstance().getPlayer(event.view)
         val inventory = event.inventory
 
+        val player = InventoryViewUtil.getInstance().getPlayer(view)
+        if(player !is Player) return
+
+        tryRenameDialog(player, event)
+
         // Test if custom anvil is bypassed before immutability test
         if (DependencyManager.earlyTryEventPreAnvilBypass(event, player)) {
             // even if we got bypassed we still want to set price
-            AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, event.inventory.repairCost)
+            AnvilXpUtil.setAnvilInvCost(inventory, view, player, AnvilCost(event.inventory.repairCost))
             return
         }
 
-        val first = inventory.getItem(ANVIL_INPUT_LEFT) ?: return
+        val first = inventory.getItem(ANVIL_INPUT_LEFT)
         val second = inventory.getItem(ANVIL_INPUT_RIGHT)
 
         if(IS_EMPTY_TEST) {
-            event.result = null
             IS_EMPTY_TEST = false
+            applyResult(event, player, AnvilResult.EMPTY)
             return
         }
 
@@ -81,79 +79,69 @@ class PrepareAnvilListener : Listener {
         if (isImmutable(first) || isImmutable(second)) {
             CustomAnvil.verboseLog("Skipping anvil process as one of the two item is immutable")
 
-            event.result = null
+            applyResult(event, player, AnvilResult.EMPTY)
             return
         }
 
-        tryRenameDialog(player, event)
-
         // Test if the event should bypass custom anvil.
         if (DependencyManager.tryEventPreAnvilBypass(event, player)) {
             // even if we got bypassed we still want to set price
-            AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, event.inventory.repairCost)
+            AnvilXpUtil.setAnvilInvCost(inventory, view, player, AnvilCost(event.inventory.repairCost))
             return
         }
 
         if (!player.hasPermission(CustomAnvil.affectedByPluginPermission)) return
 
+        val result = getResult(view, inventory, player, first, second)
+        applyResult(event, player, result)
+    }
+
+    fun getResult(
+        view: InventoryView, //TODO use anvil view
+        inventory: AnvilInventory,
+        player: Player,
+        first: ItemStack?, second: ItemStack?) : AnvilResult
+    {
+        if(first == null)
+            return AnvilResult.EMPTY
+
         // Test custom recipe
-        if (testCustomRecipe(event, inventory, player, first, second)) return
+        var result: AnvilResult = testCustomRecipe(view, inventory, player, first, second)
+        if (!result.isEmpty())
+            return result
 
         // Test rename lonely item
-        val isAir = second.isAir
+        val shouldTryRename = second.isAir
-        CustomAnvil.verboseLog("checking air in main logic: $isAir")
+        CustomAnvil.verboseLog("checking air in main logic: $shouldTryRename")
-        if (isAir) {
+        if (shouldTryRename)
-            doRenaming(event, inventory, player, first)
+            return doRenaming(view, inventory, player, first)
-            return
-        }
 
         // Test for merge
-        if (first.canMergeWith(second!!)) {
+        if (first.canMergeWith(second!!))
-            doMerge(event, inventory, player, first, second)
+            return doMerge(view, inventory, player, first, second)
-            return
-        }
 
         // Test for unit repair
-        if (testUnitRepair(event, inventory, player, first, second)) return
+        result = testUnitRepair(view, inventory, player, first, second)
+        if (!result.isEmpty())
+            return result
 
         // Test for lore edit
-        if (testLoreEdit(event, inventory, player, first, second)) return
+        result = testLoreEdit(player, first, second)
-
+        if (!result.isEmpty())
-        CustomAnvil.log("no anvil fuse type found")
+            return result
-        event.result = null
 
+        return AnvilResult.EMPTY
     }
 
     private fun tryRenameDialog(
         player: HumanEntity,
         event: PrepareAnvilEvent
     ) {
-        if(!canUseRenameDialog(player)) return
+        if(!ConfigOptions.canUseDialogRename(player)) return
 
         AnvilRenameDialogUtil.anvilRenameDialog.tryShowDialog(player, event)
     }
 
-    private fun canUseRenameDialog(player: HumanEntity): Boolean {
-        if(!ConfigOptions.doRenameDialog || !AnvilRenameDialogUtil.anvilRenameDialog.canSendDialog()) return false
-        if(ConfigOptions.doRenameDialogUsePermission && !player.hasPermission(RENAME_DIALOG_PERMISSION)) return false
-
-        return true
-    }
-
-    private fun processDialogPCD(it: ItemMeta, player: HumanEntity) {
-        val keepDialog = canUseRenameDialog(player) && ConfigOptions.shouldKeepRenameText
-
-        val pdc = it.persistentDataContainer
-        if(!keepDialog)
-            pdc.remove(AnvilRenameDialog.PCD_KEEP_RENAME_TEXT_KEY)
-        else {
-            val text = AnvilRenameDialogUtil.anvilRenameDialog.currentText(player)
-            if(text == null || text.isBlank())
-                pdc.remove(AnvilRenameDialog.PCD_KEEP_RENAME_TEXT_KEY)
-            else pdc.set(AnvilRenameDialog.PCD_KEEP_RENAME_TEXT_KEY, PersistentDataType.STRING, text)
-        }
-    }
-
     private fun isImmutable(item: ItemStack?): Boolean {
         if (item.isAir) return false
 
@@ -180,221 +168,14 @@ class PrepareAnvilListener : Listener {
         return false
     }
 
-    // return true if a custom recipe exist with these ingredients
+    private fun applyResult(event: PrepareAnvilEvent, player: Player, result: AnvilResult) {
-    private fun testCustomRecipe(
+        event.result = result.item
-        event: PrepareAnvilEvent, inventory: AnvilInventory,
-        player: HumanEntity,
-        first: ItemStack, second: ItemStack?
-    ): Boolean {
-        val recipe = CustomRecipeUtil.getCustomRecipe(first, second)
-        CustomAnvil.verboseLog("custom recipe not null? ${recipe != null}")
-        if (recipe == null) return false
 
-        val amount = CustomRecipeUtil.getCustomRecipeAmount(recipe, first, second)
+        if(result.item == null) {
-
+            AnvilXpUtil.onNoResult(player, event.view)
-        val resultItem: ItemStack = DependencyManager.cloneItem(event, recipe.resultItem!!)
-        resultItem.amount *= amount
-
-        // Maybe add an option on custom craft to ignore/not ignore penalty ??
-        val xpCost = recipe.determineCost(amount, first, resultItem)
-
-        val levelCost =
-            if (recipe.removeExactLinearXp) AnvilXpUtil.calculateMinimumLevelForXp(xpCost)
-            else AnvilXpUtil.calculateLevelForXp(xpCost)
-
-        val finalResult = DependencyManager.tryTreatAnvilResult(event, resultItem, AnvilUseType.CUSTOM_CRAFT, levelCost)
-        if (finalResult == null) return false
-
-        event.result = finalResult.result
-        if (finalResult.result.isAir) return false
-
-        AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, finalResult.levelCost, true)
-        return true
-    }
-
-    private fun doRenaming(
-        event: PrepareAnvilEvent, inventory: AnvilInventory,
-        player: HumanEntity, first: ItemStack
-    ) {
-        val resultItem = DependencyManager.cloneItem(event, first)
-        var anvilCost = handleRename(resultItem, inventory, player)
-
-        // Test/stop if nothing changed.
-        if (first == resultItem) {
-            CustomAnvil.log("no right item, But input is same as output")
-            event.result = null
             return
         }
-
+        AnvilXpUtil.setAnvilInvCost(event.inventory, event.view, player, result.cost, result.ignoreXpRules)
-        anvilCost += AnvilXpUtil.calculatePenalty(first, null, resultItem, AnvilUseType.RENAME_ONLY)
-
-        val finalResult = DependencyManager.tryTreatAnvilResult(event, resultItem, AnvilUseType.RENAME_ONLY, anvilCost)
-        if (finalResult == null) return
-
-        event.result = finalResult.result
-        if (finalResult.result.isAir) return
-
-        AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, finalResult.levelCost)
     }
 
-    private fun handleRename(resultItem: ItemStack, inventory: AnvilInventory, player: HumanEntity): Int {
-        // Can be null
-        var renameText = ChatColor.stripColor(inventory.renameText)
-
-        var sumCost = 0
-        var useColor = false
-        if (ConfigOptions.renameColorPossible && renameText != null) {
-            val component = AnvilColorUtil.handleColor(
-                renameText,
-                AnvilColorUtil.renamePermission(player))
-
-            if (component != null) {
-                renameText = MiniMessageUtil.legacy_mm.serialize(component)
-
-                sumCost += ConfigOptions.useOfColorCost
-                useColor = true
-            }
-        }
-
-        // Rename item and add renaming cost
-        resultItem.itemMeta?.let {
-            val hasDisplayName = it.hasDisplayName()
-            val displayName = if (!hasDisplayName) null
-            else if (useColor) it.displayName
-            else ChatColor.stripColor(it.displayName)
-
-
-            if (!displayName.contentEquals(renameText) && !(displayName == null &&
-                        renameText == "" ||
-                        //TODO on recent paper check effective name instead
-                    renameText == CasedStringUtil.snakeToUpperSpacedCase(resultItem.type.name.lowercase())
-                    )) {
-                it.setDisplayName(renameText)
-                processDialogPCD(it, player)
-                resultItem.itemMeta = it
-
-                sumCost += ConfigOptions.itemRenameCost
-            }
-
-            return sumCost
-        }
-        return 0
-    }
-
-    private fun doMerge(
-        event: PrepareAnvilEvent, inventory: AnvilInventory,
-        player: HumanEntity,
-        first: ItemStack, second: ItemStack
-    ) {
-        val newEnchants = first.findEnchantments()
-            .combineWith(second.findEnchantments(), first, player)
-        var hasChanged = !isIdentical(first.findEnchantments(), newEnchants)
-
-        val resultItem = DependencyManager.cloneItem(event, first)
-        var anvilCost = 0
-        if(hasChanged){
-            resultItem.setEnchantmentsUnsafe(newEnchants)
-            // Calculate enchantment cost
-            anvilCost+= AnvilXpUtil.getRightValues(second, resultItem)
-        }
-
-        // Calculate repair cost
-        if (!first.isEnchantedBook() && !second.isEnchantedBook()) {
-            // we only need to be concerned with repair when neither item is a book
-            val repaired = resultItem.repairFrom(first, second)
-            anvilCost += if (repaired) ConfigOptions.itemRepairCost else 0
-            hasChanged = hasChanged || repaired
-        }
-
-        // Test/stop if nothing changed.
-        if (!hasChanged) {
-            CustomAnvil.log("Mergable with second, But input is same as output")
-            event.result = null
-            return
-        }
-        // As calculatePenalty edit result, we need to calculate penalty after checking equality
-        anvilCost += AnvilXpUtil.calculatePenalty(first, second, resultItem, AnvilUseType.MERGE)
-        // Calculate rename cost
-        anvilCost += handleRename(resultItem, inventory, player)
-
-        // Finally, we set result
-        val finalResult = DependencyManager.tryTreatAnvilResult(event, resultItem, AnvilUseType.MERGE, anvilCost)
-        if (finalResult == null) return
-
-        event.result = finalResult.result
-        if (finalResult.result.isAir) return
-
-        AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, finalResult.levelCost)
-    }
-
-    private fun isIdentical(
-        firstEnchants: MutableMap<CAEnchantment, Int>,
-        resultEnchants: MutableMap<CAEnchantment, Int>
-    ): Boolean {
-        if(firstEnchants.size != resultEnchants.size) return false
-        for (entry in resultEnchants) {
-            if(firstEnchants.getOrDefault(entry.key, entry.value-1) != entry.value) return false
-        }
-
-        return true
-    }
-
-    // return true if there is a valid unit repair with these ingredients
-    private fun testUnitRepair(
-        event: PrepareAnvilEvent, inventory: AnvilInventory, player: HumanEntity,
-        first: ItemStack, second: ItemStack
-    ): Boolean {
-        val unitRepairAmount = first.getRepair(second) ?: return false
-
-        val resultItem = DependencyManager.cloneItem(event, first)
-        var anvilCost = handleRename(resultItem, inventory, player)
-
-        val repairAmount = resultItem.unitRepair(second.amount, unitRepairAmount)
-        if (repairAmount > 0) {
-            anvilCost += repairAmount * ConfigOptions.unitRepairCost
-        }
-        // We do not care about right item penalty for unit repair
-        anvilCost += AnvilXpUtil.calculatePenalty(first, null, resultItem, AnvilUseType.UNIT_REPAIR)
-
-        // Test/stop if nothing changed.
-        if (first == resultItem) {
-            CustomAnvil.log("unit repair, But input is same as output")
-            event.result = null
-            return true
-        }
-
-        val finalResult = DependencyManager.tryTreatAnvilResult(event, resultItem, AnvilUseType.UNIT_REPAIR, anvilCost)
-        if (finalResult == null) return false
-
-        event.result = finalResult.result
-        if (finalResult.result.isAir) return false
-
-        AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, finalResult.levelCost)
-        return true
-    }
-
-    private fun testLoreEdit(
-        event: PrepareAnvilEvent, inventory: AnvilInventory, player: HumanEntity,
-        first: ItemStack, second: ItemStack
-    ): Boolean {
-        val type = second.type
-        var result: ItemStack? = null
-
-        val xpCost = AtomicInteger()
-        if (Material.WRITABLE_BOOK == type) {
-            result = AnvilLoreEditUtil.tryLoreEditByBook(player, first, second, xpCost)
-        } else if (Material.PAPER == type) {
-            result = AnvilLoreEditUtil.tryLoreEditByPaper(player, first, second, xpCost)
-        }
-
-        if (result.isAir || first == result) {
-            CustomAnvil.log("lore edit, But input is same as output")
-            event.result = null
-            return false
-        }
-
-        event.result = result
-        AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, xpCost.get())
-        return true
-    }
 }

src/main/kotlin/xyz/alexcrea/cuanvil/recipe/AnvilCustomRecipe.kt

@@ -3,11 +3,11 @@ package xyz.alexcrea.cuanvil.recipe
 import io.delilaheve.CustomAnvil
 import org.bukkit.configuration.ConfigurationSection
 import org.bukkit.inventory.ItemStack
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType
 import xyz.alexcrea.cuanvil.config.ConfigHolder
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant
-import xyz.alexcrea.cuanvil.util.AnvilUseType
-import xyz.alexcrea.cuanvil.util.AnvilXpUtil
 import xyz.alexcrea.cuanvil.util.MaterialUtil.isAir
+import xyz.alexcrea.cuanvil.util.anvil.AnvilXpUtil
 
 class AnvilCustomRecipe(
     val name: String,

src/main/kotlin/xyz/alexcrea/cuanvil/util/anvil/AnvilColorUtil.kt

@@ -1,11 +1,11 @@
-package xyz.alexcrea.cuanvil.util
+package xyz.alexcrea.cuanvil.util.anvil
 
 import io.delilaheve.util.ConfigOptions
 import net.kyori.adventure.text.Component
 import org.bukkit.permissions.Permissible
+import xyz.alexcrea.cuanvil.util.MiniMessageUtil
 import java.util.regex.Matcher
 import java.util.regex.Pattern
-import kotlin.text.indexOf
 
 object AnvilColorUtil {
     private val HEX_PATTERN: Pattern = Pattern.compile("#[A-Fa-f0-9]{6}") // pattern to find hexadecimal string

src/main/kotlin/xyz/alexcrea/cuanvil/util/anvil/AnvilLoreEditUtil.kt

@@ -1,17 +1,19 @@
-package xyz.alexcrea.cuanvil.util
+package xyz.alexcrea.cuanvil.util.anvil
 
 import net.kyori.adventure.text.Component
 import org.bukkit.entity.HumanEntity
 import org.bukkit.inventory.ItemStack
 import org.bukkit.inventory.meta.BookMeta
 import org.bukkit.permissions.Permissible
+import xyz.alexcrea.cuanvil.anvil.AnvilCost
+import xyz.alexcrea.cuanvil.anvil.AnvilMergeLogic.LoreEditResult
 import xyz.alexcrea.cuanvil.dependency.DependencyManager
 import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil.componentLore
 import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil.setComponentLore
+import xyz.alexcrea.cuanvil.util.MiniMessageUtil
 import xyz.alexcrea.cuanvil.util.config.LoreEditConfigUtil
 import xyz.alexcrea.cuanvil.util.config.LoreEditType
 import java.util.*
-import java.util.concurrent.atomic.AtomicInteger
 import java.util.concurrent.atomic.AtomicReference
 
 object AnvilLoreEditUtil {
@@ -31,7 +33,7 @@ object AnvilLoreEditUtil {
         player: Permissible,
         first: ItemStack,
         book: BookMeta,
-        xpCost: AtomicInteger
+        cost: AnvilCost
     ): ItemStack? {
         if (!hasLoreEditByBookPermission(player)) return null
 
@@ -42,8 +44,10 @@ object AnvilLoreEditUtil {
         val page = book.pages[0]
         val lines = ArrayList<String>(page.split("\n"))
         val outLines = ArrayList<Component>(lines.size)
-        val colorCost = colorLines(player, LoreEditType.APPEND_BOOK,
+        val colorCost = colorLines(
-            lines, outLines)
+            player, LoreEditType.APPEND_BOOK,
+            lines, outLines
+        )
 
         lore.addAll(outLines)
 
@@ -53,14 +57,14 @@ object AnvilLoreEditUtil {
         if (result == first) return null
 
         // Handle xp
-        xpCost.addAndGet(colorCost) // Cost of using color
+        cost.lore = colorCost // Cost of using color
-        xpCost.addAndGet(outLines.size * LoreEditType.APPEND_BOOK.perLineCost) // per line cost
+        cost.lore += outLines.size * LoreEditType.APPEND_BOOK.perLineCost // per line cost
-        xpCost.addAndGet(baseEditLoreXpCost(first, result, LoreEditType.APPEND_BOOK)) // Fixed cost and work penalty
+        baseEditLoreXpCost(cost, first, result, LoreEditType.APPEND_BOOK) // Fixed cost and work penalty
 
         return result
     }
 
-    fun handleLoreRemoveByBook(player: Permissible, first: ItemStack, xpCost: AtomicInteger): ItemStack? {
+    fun handleLoreRemoveByBook(player: Permissible, first: ItemStack, cost: AnvilCost): ItemStack? {
         if (!hasLoreEditByBookPermission(player)) return null
 
         // remove lore
@@ -78,9 +82,9 @@ object AnvilLoreEditUtil {
         if (result == first) return null
 
         // Handle xp
-        xpCost.addAndGet(uncolorCost)
+        cost.lore = uncolorCost
-        xpCost.addAndGet(currentLore.size * LoreEditType.REMOVE_BOOK.perLineCost)
+        cost.lore += currentLore.size * LoreEditType.REMOVE_BOOK.perLineCost
-        xpCost.addAndGet(baseEditLoreXpCost(first, result, LoreEditType.REMOVE_BOOK))
+        baseEditLoreXpCost(cost, first, result, LoreEditType.REMOVE_BOOK)
 
         return result
     }
@@ -116,12 +120,17 @@ object AnvilLoreEditUtil {
         return null
     }
 
-    fun tryLoreEditByBook(player: HumanEntity, first: ItemStack, second: ItemStack, xpCost: AtomicInteger): ItemStack? {
+    fun tryLoreEditByBook(player: HumanEntity, first: ItemStack, second: ItemStack): LoreEditResult {
-        val isAppend = bookLoreEditIsAppend(first, second) ?: return null
+        val isAppend = bookLoreEditIsAppend(first, second) ?: return LoreEditResult.EMPTY
+        val type = if (isAppend) LoreEditType.APPEND_BOOK else LoreEditType.REMOVE_BOOK
 
         val meta = second.itemMeta as BookMeta
-        return if (isAppend) handleLoreAppendByBook(player, first, meta, xpCost)
+        val cost = AnvilCost()
-        else handleLoreRemoveByBook(player, first, xpCost)
+        val item = if (isAppend)
+            handleLoreAppendByBook(player, first, meta, cost)
+        else handleLoreRemoveByBook(player, first, cost)
+
+        return LoreEditResult(item, cost, type)
     }
 
     // Return true if appended, false if removed, null if neither
@@ -147,7 +156,7 @@ object AnvilLoreEditUtil {
         player: Permissible,
         first: ItemStack,
         second: ItemStack,
-        xpCost: AtomicInteger
+        cost: AnvilCost
     ): ItemStack? {
         if (!hasLoreEditByPaperPermission(player)) return null
 
@@ -159,9 +168,11 @@ object AnvilLoreEditUtil {
 
         // A bit overdone to color 1 line but hey
         val outList = ArrayList<Component>(1)
-        val colorCost = colorLines(player, LoreEditType.APPEND_PAPER,
+        val colorCost = colorLines(
+            player, LoreEditType.APPEND_PAPER,
             Collections.singletonList(second.itemMeta!!.displayName),
-            outList)
+            outList
+        )
 
         val line = outList[0]
         if (appendEnd)
@@ -175,13 +186,13 @@ object AnvilLoreEditUtil {
         if (result == first) return null
 
         // Handle xp
-        xpCost.addAndGet(colorCost)
+        cost.lore = colorCost
-        xpCost.addAndGet(baseEditLoreXpCost(first, result, LoreEditType.APPEND_PAPER))
+        baseEditLoreXpCost(cost, first, result, LoreEditType.APPEND_PAPER)
 
         return result
     }
 
-    fun handleLoreRemoveByPaper(player: Permissible, first: ItemStack, xpCost: AtomicInteger): ItemStack? {
+    fun handleLoreRemoveByPaper(player: Permissible, first: ItemStack, cost: AnvilCost): ItemStack? {
         if (!hasLoreEditByPaperPermission(player)) return null
 
         // remove lore line
@@ -213,8 +224,8 @@ object AnvilLoreEditUtil {
         val uncolorCost = uncolorLine(player, line, LoreEditType.REMOVE_PAPER)
 
         // Handle other xp
-        xpCost.addAndGet(uncolorCost)
+        cost.lore = uncolorCost
-        xpCost.addAndGet(baseEditLoreXpCost(first, result, LoreEditType.REMOVE_PAPER))
+        baseEditLoreXpCost(cost, first, result, LoreEditType.REMOVE_PAPER)
 
         return result
     }
@@ -222,33 +233,39 @@ object AnvilLoreEditUtil {
     fun tryLoreEditByPaper(
         player: HumanEntity,
         first: ItemStack,
-        second: ItemStack,
+        second: ItemStack
-        xpCost: AtomicInteger
+    ): LoreEditResult {
-    ): ItemStack? {
+        val isAppend = paperLoreEditIsAppend(first, second) ?: return LoreEditResult.EMPTY
-        val isAppend = paperLoreEditIsAppend(first, second) ?: return null
+        val type = if (isAppend) LoreEditType.APPEND_BOOK else LoreEditType.REMOVE_BOOK
 
-        return if (isAppend) handleLoreAppendByPaper(player, first, second, xpCost)
+        val cost = AnvilCost()
-        else handleLoreRemoveByPaper(player, first, xpCost)
+        val item = if (isAppend)
+            handleLoreAppendByPaper(player, first, second, cost)
+        else handleLoreRemoveByPaper(player, first, cost)
+
+        return LoreEditResult(item, cost, type)
     }
 
     private fun baseEditLoreXpCost(
+        cost: AnvilCost,
         first: ItemStack,
         result: ItemStack,
         editType: LoreEditType
-    ): Int {
+    ) {
-        var xpCost = editType.fixedCost
+        cost.lore += editType.fixedCost
 
-        xpCost += AnvilXpUtil.calculatePenalty(first, null, result, editType.useType)
+        cost.workPenalty = AnvilXpUtil.calculatePenalty(first, null, result, editType.useType)
-        return xpCost
     }
 
     fun colorPermission(player: Permissible, editType: LoreEditType): AnvilColorUtil.ColorPermissions {
-        return AnvilColorUtil.calculatePermissions(player,
+        return AnvilColorUtil.calculatePermissions(
+            player,
             false,
             editType.allowColorCode,
             editType.allowHexColor,
             editType.allowMinimessage,
-            AnvilColorUtil.ColorUseType.LORE_EDIT)
+            AnvilColorUtil.ColorUseType.LORE_EDIT
+        )
     }
 
     private fun colorLine(line: String, permission: AnvilColorUtil.ColorPermissions): Component? {
@@ -258,8 +275,10 @@ object AnvilLoreEditUtil {
         )
     }
 
-    private fun colorLines(player: Permissible, editType: LoreEditType,
+    private fun colorLines(
-                           lines: List<String>, outLines: MutableList<Component>): Int {
+        player: Permissible, editType: LoreEditType,
+        lines: List<String>, outLines: MutableList<Component>
+    ): Int {
         val permission = colorPermission(player, editType)
         val colorCost = editType.useColorCost
 
@@ -286,7 +305,7 @@ object AnvilLoreEditUtil {
         // Now handle color of each lines
         var hasUndidColor = false
         for ((index, line) in lines.withIndex()) {
-            if(line == null){
+            if (line == null) {
                 lines[index] = null
                 continue
             }
@@ -301,7 +320,7 @@ object AnvilLoreEditUtil {
                 hasUndidColor = true
                 result = clearedLine
             } else {
-                result =  MiniMessageUtil.plain_text_mm.serialize(line)
+                result = MiniMessageUtil.plain_text_mm.serialize(line)
             }
 
             lines[index] = MiniMessageUtil.plain_text_mm.deserialize(result)
@@ -330,7 +349,7 @@ object AnvilLoreEditUtil {
 
         var hasUndidColor = false
         val result: String
-        if(clearedLine != null){
+        if (clearedLine != null) {
             hasUndidColor = true
             result = clearedLine
         } else {

src/main/kotlin/xyz/alexcrea/cuanvil/util/anvil/AnvilUseTypeUtil.kt

@@ -1,4 +1,4 @@
-package xyz.alexcrea.cuanvil.util
+package xyz.alexcrea.cuanvil.util.anvil
 
 import io.delilaheve.util.ConfigOptions
 

src/main/kotlin/xyz/alexcrea/cuanvil/util/anvil/AnvilXpUtil.kt

@@ -1,4 +1,4 @@
-package xyz.alexcrea.cuanvil.util
+package xyz.alexcrea.cuanvil.util.anvil
 
 import io.delilaheve.CustomAnvil
 import io.delilaheve.util.ConfigOptions
@@ -14,25 +14,48 @@ import org.bukkit.inventory.InventoryView
 import org.bukkit.inventory.ItemStack
 import org.bukkit.inventory.meta.Repairable
 import org.bukkit.persistence.PersistentDataType
+import xyz.alexcrea.cuanvil.anvil.AnvilCost
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType
 import xyz.alexcrea.cuanvil.config.ConfigHolder
 import xyz.alexcrea.cuanvil.dependency.DependencyManager
+import xyz.alexcrea.cuanvil.dependency.economy.EconomyManager
 import xyz.alexcrea.cuanvil.group.ConflictType
+import xyz.alexcrea.cuanvil.util.AnvilTitleUtil
+import xyz.alexcrea.cuanvil.util.dialog.AnvilRenameDialogUtil
 import kotlin.math.min
 
 object AnvilXpUtil {
 
     const val EXCLUSIVE_PENALTY_PREFIX = "repair_cost"
 
+    /**
+     * Display the required cost (either as xp or as )
+     */
+    fun setAnvilInvCost(
+        inventory: AnvilInventory,
+        view: InventoryView,
+        player: Player,
+        cost: AnvilCost,
+        ignoreRules: Boolean = false
+    ) {
+        if (ConfigOptions.shouldUseMoney(player)) {
+            cost.isMonetary = true
+            setAnvilPrice(inventory, view, player, cost)
+        } else
+            setAnvilInvXp(inventory, view, player, cost.asXpCost(), ignoreRules)
+    }
+
     /**
      * Display xp needed for the work on the anvil inventory
      */
-    fun setAnvilInvXp(
+    private fun setAnvilInvXp(
         inventory: AnvilInventory,
         view: InventoryView,
         player: HumanEntity,
         anvilCost: Int,
         ignoreRules: Boolean = false
     ) {
+
         // Test repair cost limit
         val finalAnvilCost = if (
             !ignoreRules &&
@@ -78,7 +101,51 @@ object AnvilXpUtil {
             }
 
             player.updateInventory()
+        }
+    }
 
+    /**
+     * Display monetary cost needed for the work on the anvil inventory
+     */
+    private fun setAnvilPrice(
+        inventory: AnvilInventory,
+        view: InventoryView,
+        player: Player,
+        cost: AnvilCost,
+    ) {
+        val finalCost = cost.asMonetaryCost()
+
+        val has = player.gameMode == GameMode.CREATIVE ||
+                EconomyManager.economy!!.has(player, finalCost)
+
+        val text = "Cost: " + (if (has) "§2" else "§4") +
+                EconomyManager.economy!!.format(finalCost)
+        AnvilTitleUtil.rename(
+            view, text,
+            player,
+            AnvilRenameDialogUtil.anvilRenameDialog,
+            CustomAnvil.instance
+        )
+
+        clearAnvilXpCost(inventory, view, player)
+    }
+
+    private fun clearAnvilXpCost(
+        inventory: AnvilInventory,
+        view: InventoryView,
+        player: HumanEntity,
+    ) {
+        // TODO for 2.x.x use anvil view & set directly there
+        inventory.repairCost = 0
+
+        // retry after a tick
+        DependencyManager.scheduler.scheduleOnEntity(
+            CustomAnvil.instance, player
+        ) {
+            inventory.repairCost = 0
+
+            if (player !is Player) return@scheduleOnEntity
+            player.updateInventory()
         }
     }
 
@@ -128,6 +195,16 @@ object AnvilXpUtil {
         return resultSum
     }
 
+    fun onNoResult(player: HumanEntity, view: InventoryView) {
+        if (ConfigOptions.shouldUseMoney(player))
+            AnvilTitleUtil.rename(
+                view, "Repair & Name",
+                player,
+                AnvilRenameDialogUtil.anvilRenameDialog,
+                CustomAnvil.instance
+            )
+    }
+
     private fun exclusivePenaltyKey(useType: AnvilUseType): NamespacedKey {
         return NamespacedKey(CustomAnvil.instance, "${EXCLUSIVE_PENALTY_PREFIX}_${useType.typeName}")
     }
@@ -159,10 +236,8 @@ object AnvilXpUtil {
      * Function to calculate right enchantment values
      * it include enchantment placed on final item and conflicting enchantment
      */
-    fun getRightValues(right: ItemStack, result: ItemStack): Int {
+    fun getRightValues(right: ItemStack, result: ItemStack, cost: AnvilCost) {
         // Calculate right value and illegal enchant penalty
-        var illegalPenalty = 0
-        var rightValue = 0
 
         val rightIsFormBook = right.isEnchantedBook()
         val resultEnchs = result.findEnchantments()
@@ -180,7 +255,7 @@ object AnvilXpUtil {
                 resultEnchsKeys.remove(enchantment.key)
 
                 if (ConflictType.ENCHANTMENT_CONFLICT == conflictType) {
-                    illegalPenalty += ConfigOptions.sacrificeIllegalCost
+                    cost.illegalPenalty += ConfigOptions.sacrificeIllegalCost
                     CustomAnvil.verboseLog("Big conflict. Adding illegal price penalty")
                 }
                 continue
@@ -191,16 +266,14 @@ object AnvilXpUtil {
             val enchantmentMultiplier = ConfigOptions.enchantmentValue(enchantment.key, rightIsFormBook)
             val value = resultLevel * enchantmentMultiplier
             CustomAnvil.log("Value for ${enchantment.key.enchantmentName} level ${enchantment.value} is $value ($resultLevel * $enchantmentMultiplier)")
-            rightValue += value
+            cost.enchantment += value
 
         }
         CustomAnvil.log(
             "Calculated right values: " +
-                    "rightValue: $rightValue, " +
+                    "rightValue: ${cost.enchantment}, " +
-                    "illegalPenalty: $illegalPenalty"
+                    "illegalPenalty: ${cost.illegalPenalty}"
         )
-
-        return rightValue + illegalPenalty
     }
 
     /**

src/main/kotlin/xyz/alexcrea/cuanvil/util/config/LoreEditType.kt

@@ -1,6 +1,6 @@
 package xyz.alexcrea.cuanvil.util.config
 
-import xyz.alexcrea.cuanvil.util.AnvilUseType
+import xyz.alexcrea.cuanvil.anvil.AnvilUseType
 import xyz.alexcrea.cuanvil.util.config.LoreEditConfigUtil.ALLOW_COLOR_CODE
 import xyz.alexcrea.cuanvil.util.config.LoreEditConfigUtil.ALLOW_HEX_COLOR
 import xyz.alexcrea.cuanvil.util.config.LoreEditConfigUtil.ALLOW_MINIMESSAGE
@@ -18,20 +18,23 @@ import xyz.alexcrea.cuanvil.config.ConfigHolder.DEFAULT_CONFIG as CONFIG
 enum class LoreEditType(
     val rootPath: String,
     val useType: AnvilUseType,
+    val isBook: Boolean,
     val isAppend: Boolean,
     val isMultiLine: Boolean,
 ) {
-    APPEND_BOOK(AnvilUseType.LORE_EDIT_BOOK_APPEND, true, true),
+    APPEND_BOOK(AnvilUseType.LORE_EDIT_BOOK_APPEND, true, true, true),
-    REMOVE_BOOK(AnvilUseType.LORE_EDIT_BOOK_REMOVE, false, true),
+    REMOVE_BOOK(AnvilUseType.LORE_EDIT_BOOK_REMOVE, true, false, true),
-    APPEND_PAPER(AnvilUseType.LORE_EDIT_PAPER_APPEND, true, false),
+    APPEND_PAPER(AnvilUseType.LORE_EDIT_PAPER_APPEND, false, true, false),
-    REMOVE_PAPER(AnvilUseType.LORE_EDIT_PAPER_REMOVE, false, false),
+    REMOVE_PAPER(AnvilUseType.LORE_EDIT_PAPER_REMOVE, false, false, false),
     ;
 
     constructor(
         useType: AnvilUseType,
+        isPaper: Boolean,
         isAppend: Boolean,
         isMultiLine: Boolean,
-    ) : this(useType.path, useType, isAppend, isMultiLine)
+    ) : this(useType.path, useType,
+        isPaper, isAppend, isMultiLine)
 
     /**
      * If this edit type is enabled

src/main/kotlin/xyz/alexcrea/cuanvil/util/dialog/AnvilRenameDialogUtil.kt

@@ -8,7 +8,7 @@ import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil
 import xyz.alexcrea.cuanvil.dialog.AnvilRenameDialog
 import xyz.alexcrea.cuanvil.dialog.AnvilRenameDialogImpl
 import xyz.alexcrea.cuanvil.update.UpdateUtils
-import xyz.alexcrea.cuanvil.util.AnvilColorUtil
+import xyz.alexcrea.cuanvil.util.anvil.AnvilColorUtil
 
 object AnvilRenameDialogUtil {
 
@@ -47,5 +47,9 @@ object AnvilRenameDialogUtil {
             return null
         }
 
+        override fun isOpenFor(player: HumanEntity): Boolean {
+            return false
+        }
+
     }
 }

src/main/resources/config.yml

@@ -432,6 +432,34 @@ lore_edit:
       allow_hexadecimal_color: false
       allow_minimessage: true
 
+# Allow to replace the xp cost by a monetary cost
+# If enabled it will not be bound to the experience level limits
+#
+# It also requires to enable dialog rename (set "enable_dialog_rename: false" a bit higher)
+# If dialog rename permission is enabled and player do not have the permission merge will fall back to vanilla xp cost
+#
+# If you are using custom craft I recommend using Linear Xp Cost with Exact Linear Xp as normal Xp Cost will act "weird"
+# But Linear Xp will act as 1$ time global multiplier. In other word: like you expect
+#
+# As this feature require dialog rename, it can only be enabled starting with paper 1.21.6 and later
+monetary_cost:
+  enabled: false
+  # If using vault unlocked this allow to specify what currency should be used for anvil usage
+  # default being the default currency
+  currency: default
+  # multiply the anvil cost by a value to allow to have price a big bigger than like 40
+  multipliers:
+    # global multipliers. all usage type will be multiplied by this value
+    global: 1.0
+    # usage specific type. it will only apply for specific xp "reason"
+    enchantment: 1.0 # related to enchantments level
+    repair: 1.0 # for repairing via unit repair (per unit)
+    rename: 1.0 # for renaming the item
+    lore_edit: 1.0 # for changing the lore of the item (only if lore edit is enabled)
+    illegal_penalty: 1.0 # for trying to combine illegal enchantment
+    work_penalty: 1.0 # for work penalty (aka use penalty)
+    recipe: 1.0 # for custom anvil recipe cost
+
 # Whether to show debug logging
 debug_log: false
 

src/test/java/xyz/alexcrea/cuanvil/util/AnvilFuseTestUtil.java

@@ -195,7 +195,7 @@ public class AnvilFuseTestUtil {
 
         simulateClick(anvil, player, data.expectedResult());
 
-        // Should have similated the click
+        // Should have simulated the click
         assertEqual(data.leftItem(), anvil.getFirstItem());
         assertEqual(data.rightItem(), anvil.getSecondItem());
         assertEqual(data.resultSlotItem(), anvil.getResult());
@@ -260,7 +260,7 @@ public class AnvilFuseTestUtil {
     }
 
     public static boolean isAir(@Nullable ItemStack item) {
-        return item == null || item.isEmpty();
+        return item == null || item.isEmpty() || item.getAmount() == 0;
     }
 
     public static void assertPriceEqual(Integer expectedPrice, int price) {