Added the permission checks for max enchantments to apply.

New Permission: enchants.maxallowed.# of enchants they can apply
New Locale: enchants.maxallowed

src/main/java/com/songoda/epicenchants/listeners/item/BookListener.java

@@ -9,6 +9,7 @@ import com.songoda.epicenchants.utils.Tuple;
 import com.songoda.epicenchants.utils.itemnbtapi.NBTItem;
 import com.songoda.epicenchants.utils.single.GeneralUtils;
 import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.inventory.ItemStack;
@@ -37,6 +38,16 @@ public class BookListener extends ItemListener {
             return;
         }
 
+        // get total amount of enchantments on item
+        int currentEnchantmentTotal = instance.getEnchantUtils().getEnchants(toApply).size();
+        int maxAllowedApply = instance.getEnchantUtils().getMaximumEnchantsCanApply((Player) event.getWhoClicked());
+
+        // item is at max enchantments
+        if (currentEnchantmentTotal >= maxAllowedApply) {
+            instance.getLocale().getMessage("enchants.maxallowed").processPlaceholder("max_enchants", maxAllowedApply).sendPrefixedMessage(event.getWhoClicked());
+            return;
+        }
+
         int level = cursor.getInteger("level");
         int successRate = cursor.getInteger("success-rate");
         int destroyRate = cursor.getInteger("destroy-rate");

src/main/java/com/songoda/epicenchants/utils/EnchantUtils.java

@@ -11,11 +11,13 @@ import com.songoda.epicenchants.utils.itemnbtapi.NBTItem;
 import com.songoda.epicenchants.utils.objects.ItemBuilder;
 import com.songoda.epicenchants.utils.settings.Settings;
 import com.songoda.epicenchants.utils.single.GeneralUtils;
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Event;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.permissions.PermissionAttachmentInfo;
 import org.jetbrains.annotations.NotNull;
 
 import javax.annotation.Nullable;
@@ -141,4 +143,20 @@ public class EnchantUtils {
         output.removeLore(TextUtils.formatText(text));
         return output.build();
     }
+
+    public int getMaximumEnchantsCanApply(Player p) {
+        int max = 0;
+        if (p.isOp()) return 100; // in theory no single item will have 100 enchantments at a time.
+        for (PermissionAttachmentInfo effectivePermission : p.getEffectivePermissions()) {
+            if (!effectivePermission.getPermission().startsWith("epicenchants.maxapply.")) continue;
+
+            String node[] = effectivePermission.getPermission().split("\\.");
+
+            if (Methods.isInt(node[node.length - 1])) {
+                int num = Integer.parseInt(node[node.length - 1]);
+                if (num > max) max = num;
+            }
+        }
+        return max;
+    }
 }

src/main/resources/en_US.lang

@@ -63,5 +63,6 @@ enchants:
   alreadyapplied: '&cYou already have that enchant applied on this item.'
   protected: '&7This book would have broken your item, luckily it was protected!'
   success: '&7You have successfully applied &6{enchant}&r&7.'
+  maxallowed: '&cYou cannot apply more than &4{max_enchants} &cenchants!'
 book:
   discover: '&7You examine the &6{group_color}{group_name} &7Enchantment Book, and discover &6{enchant_format}&7!'