book edit kind of working

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

@@ -15,15 +15,18 @@ import org.bukkit.event.inventory.InventoryClickEvent
 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.dependency.DependencyManager
 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.UnitRepairUtil.getRepair
+import java.util.*
 import kotlin.math.min
 
 class AnvilResultListener : Listener {
@@ -65,40 +68,53 @@ class AnvilResultListener: Listener {
             event.result = Event.Result.ALLOW
             onCustomCraft(
                 event, recipe, player,
-                leftItem, rightItem, output, inventory)
+                leftItem, rightItem, output, inventory
+            )
             return
         }
 
-        val canMerge = leftItem.canMergeWith(rightItem)
+        // Do not continue if there was no change
-        val unitRepairResult = leftItem.getRepair(rightItem)
+        if ((output == inventory.getItem(ANVIL_INPUT_LEFT))) {
-        val allowed = (rightItem == null)
-                || (canMerge)
-                || (unitRepairResult != null)
-
-        // True if there was no change or not allowed
-        if ((output == inventory.getItem(ANVIL_INPUT_LEFT))
-            || !allowed
-        ) {
             event.result = Event.Result.DENY
             return
         }
+
+        // Rename
         if (rightItem == null) {
             event.result = Event.Result.ALLOW
             return
         }
+
+        // Merge
+        val canMerge = leftItem.canMergeWith(rightItem)
         if (canMerge) {
             event.result = Event.Result.ALLOW
-        } else if (unitRepairResult != null) {
+            return
+        }
+
+        // Unit repair
+        val unitRepairResult = leftItem.getRepair(rightItem)
+        if (unitRepairResult != null) {
             onUnitRepairExtract(
                 leftItem, rightItem, output,
                 unitRepairResult, event, player, inventory
             )
-
             return
         }
+
+        // For lore edit
+        if (handleBookLoreEdit(event, inventory, player, leftItem, rightItem, output)) {
+            return
+        } else if (Material.PAPER == rightItem.type) {
+            //TODO
         }
 
-    private fun onCustomCraft(event: InventoryClickEvent,
+        // Else there was no working situation somehow so we deny
+        event.result = Event.Result.DENY
+    }
+
+    private fun onCustomCraft(
+        event: InventoryClickEvent,
         recipe: AnvilCustomRecipe,
         player: Player,
         leftItem: ItemStack,
@@ -123,7 +139,8 @@ class AnvilResultListener: Listener {
 
         // Handle not creative middle click...
         if (event.click != ClickType.MIDDLE &&
-            !handleCustomCraftClick(event, recipe, inventory, player, leftItem, rightItem, amount, xpCost)) return
+            !handleCustomCraftClick(event, recipe, inventory, player, leftItem, rightItem, amount, xpCost)
+        ) return
 
         // Finally, we add the item to the player
         if (slotDestination.type == SlotType.CURSOR) {
@@ -133,10 +150,12 @@ class AnvilResultListener: Listener {
         }
     }
 
-    private fun handleCustomCraftClick(event: InventoryClickEvent, recipe: AnvilCustomRecipe,
+    private fun handleCustomCraftClick(
+        event: InventoryClickEvent, recipe: AnvilCustomRecipe,
         inventory: AnvilInventory, player: Player,
         leftItem: ItemStack, rightItem: ItemStack?,
-                                       amount: Int, xpCost: Int): Boolean {
+        amount: Int, xpCost: Int
+    ): Boolean {
         // We remove what should be removed
         if (rightItem != null) {
             if (recipe.rightItem == null) return false// in case it changed
@@ -174,6 +193,48 @@ class AnvilResultListener: Listener {
         return true
     }
 
+    private fun extractAnvilResult(
+        event: InventoryClickEvent,
+        player: Player,
+        inventory: AnvilInventory,
+        leftItem: ItemStack,
+        leftRemoveCount: Int,
+        rightItem: ItemStack,
+        rightRemoveCount: Int,
+        output: ItemStack,
+        repairCost: Int,
+    ): Boolean {
+        // Assumed if player do not have enough xp then it returned MIN_VALUE
+        if (repairCost == Int.MIN_VALUE) return false
+
+        // Where should we get the item
+        val slotDestination = getActionSlot(event, player)
+        if (slotDestination.type == SlotType.NO_SLOT) return false
+
+        // If not creative middle click...
+        if (event.click != ClickType.MIDDLE) {
+            // We remove what should be removed
+            leftItem.amount -= leftRemoveCount
+            inventory.setItem(ANVIL_INPUT_LEFT, leftItem)
+
+            rightItem.amount -= rightRemoveCount
+            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)
+        } else {// We assume SlotType == SlotType.INVENTORY
+            player.inventory.setItem(slotDestination.slot, output)
+        }
+
+        // TODO probably anvil damage & sound here ??
+        return true
+    }
+
     private fun onUnitRepairExtract(
         leftItem: ItemStack,
         rightItem: ItemStack,
@@ -191,36 +252,24 @@ class AnvilResultListener: Listener {
         // To avoid vanilla, we cancel the event for unit repair
         event.result = Event.Result.DENY
         event.isCancelled = true
-        // And we give the item manually
-        // But first we check if we should give the item
-        val slotDestination = getActionSlot(event, player)
-        if (slotDestination.type == SlotType.NO_SLOT) return
 
-        // Test repair cost
+        // Get repair cost
         val repairCost = getUnitRepairCost(inventory, player, leftItem, output, resultCopy, resultAmount)
-        if(repairCost == Int.MIN_VALUE) return
 
-        // If not creative middle click...
+        // And then we give the item manually
-        if (event.click != ClickType.MIDDLE) {
+        extractAnvilResult(
-            // We remove what should be removed
+            event, player, inventory,
-            inventory.setItem(ANVIL_INPUT_LEFT, null)
+            leftItem, 1,
-            rightItem.amount -= resultAmount
+            rightItem, resultAmount,
-            inventory.setItem(ANVIL_INPUT_RIGHT, rightItem)
+            output, repairCost
-            inventory.setItem(ANVIL_OUTPUT_SLOT, null)
+        )
-            player.level -= repairCost
     }
 
-        // Finally, we add the item to the player
+    private fun getUnitRepairCost(
-        if (slotDestination.type == SlotType.CURSOR) {
+        inventory: AnvilInventory, player: Player,
-            player.setItemOnCursor(output)
-        } else {// We assume SlotType == SlotType.INVENTORY
-            player.inventory.setItem(slotDestination.slot, output)
-        }
-    }
-
-    private fun getUnitRepairCost(inventory: AnvilInventory, player: Player,
         leftItem: ItemStack, output: ItemStack,
-                              resultCopy: ItemStack, resultAmount: Int): Int {
+        resultCopy: ItemStack, resultAmount: Int
+    ): Int {
         if (player.gameMode == GameMode.CREATIVE) return 0
 
         var repairCost = 0
@@ -257,6 +306,51 @@ class AnvilResultListener: Listener {
         return repairCost
     }
 
+    private fun handleBookLoreEdit(
+        event: InventoryClickEvent,
+        inventory: AnvilInventory,
+        player: Player,
+        leftItem: ItemStack,
+        rightItem: ItemStack,
+        output: ItemStack,
+    ): Boolean {
+        if (Material.WRITABLE_BOOK != rightItem.type) return false
+        val bookMeta = rightItem.itemMeta as BookMeta
+
+        val editType = AnvilLoreEditUtil.bookLoreEditTypeAppend(leftItem, rightItem) ?: return false
+
+        if (editType) {
+            if (output != AnvilLoreEditUtil.handleLoreAppendByBook(player, leftItem, bookMeta)) return false
+
+            // Remove pages to
+            val bookCopy = rightItem.clone()
+            bookMeta.pages = Collections.emptyList()
+            bookCopy.itemMeta = bookMeta
+
+            return extractAnvilResult(
+                event, player, inventory,
+                leftItem, 1,
+                bookCopy, 0,
+                output, 0
+            ) //TODO DO REPAIR COST
+        } else {
+            if (output != AnvilLoreEditUtil.handleLoreRemoveByBook(player, leftItem, rightItem, bookMeta)) return false
+
+            // remove lore
+            val leftCopy = leftItem.clone()
+            val leftMeta = leftCopy.itemMeta
+            leftMeta!!.lore = null
+            leftCopy.itemMeta = leftMeta
+
+            return extractAnvilResult(
+                event, player, inventory,
+                leftCopy, 0,
+                rightItem, 1,
+                output, 0
+            ) //TODO DO REPAIR COST
+        }
+    }
+
     /**
      * Get the destination slot or "NO_SLOT" slot container if there is no slot available
      */
@@ -283,8 +377,7 @@ class AnvilResultListener: Listener {
                 return NO_SLOT
             }
             return SlotContainer(SlotType.INVENTORY, slotIndex)
-        }
+        } else if (player.itemOnCursor.type != Material.AIR) return NO_SLOT
-        else if (player.itemOnCursor.type != Material.AIR) return NO_SLOT
         return CURSOR_SLOT
     }
 

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

@@ -245,7 +245,7 @@ class PrepareAnvilListener : Listener {
         event.result = result
 
         // TODO forgot about xp config & logic
-        // AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, anvilCost)
+        AnvilXpUtil.setAnvilInvXp(inventory, event.view, player, 1)
 
         return true
     }

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

@@ -19,18 +19,19 @@ object AnvilLoreEditUtil {
         return ConfigOptions.PaperLoreEditNeedPermission && player.hasPermission(LORE_BY_PAPER)
     }
 
-    private fun handleLoreAppendByBook(player: Permissible, first: ItemStack, book: BookMeta): ItemStack? {
+    fun handleLoreAppendByBook(player: Permissible, first: ItemStack, book: BookMeta): ItemStack? {
         if (!hasLoreEditByBookPermission(player)) return null
 
         val result = first.clone()
         val meta = result.itemMeta
+        //TODO take into account previous lore
         meta?.lore = book.pages[0].split("\n") //TODO check color if color is enabled
         result.itemMeta = meta
 
         return result
     }
 
-    private fun handleLoreRemoveByBook(player: Permissible, first: ItemStack, second: ItemStack, book: BookMeta): ItemStack? {
+    fun handleLoreRemoveByBook(player: Permissible, first: ItemStack, second: ItemStack, book: BookMeta): ItemStack? {
         if (!hasLoreEditByBookPermission(player)) return null
 
         val meta = first.itemMeta
@@ -52,7 +53,8 @@ object AnvilLoreEditUtil {
         return result
     }
 
-    fun bookLoreEditType(second: ItemStack) : Boolean? {
+    // Return true if append, false if remove, null if neither
+    fun bookLoreEditTypeAppend(first: ItemStack, second: ItemStack): Boolean? {
         // Test if the book & quil contain content
         val meta = second.itemMeta as BookMeta
 
@@ -72,15 +74,18 @@ object AnvilLoreEditUtil {
             if (meta.pages[0].isEmpty()) return null
             if (ConfigOptions.appendLoreBookAndQuil)
                 return true
-        }
+        } else if (ConfigOptions.removeLoreBookAndQuil) {
-        else if(ConfigOptions.removeLoreBookAndQuil) {
+            if (!first.hasItemMeta()) return null
-            return false
+
+            val leftMeta = first.itemMeta!!
+            return if (leftMeta.hasLore()) false
+            else null
         }
         return null
     }
 
     fun tryLoreEditByBook(player: HumanEntity, first: ItemStack, second: ItemStack): ItemStack? {
-        val bookType = bookLoreEditType(second) ?: return null
+        val bookType = bookLoreEditTypeAppend(first, second) ?: return null
 
         val meta = second.itemMeta as BookMeta
         return if (bookType) handleLoreAppendByBook(player, first, meta)