Added /ecoenchants giverandombook <player> <type/rarity> <minLevel> <maxLevel> command

eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/commands/CommandEcoEnchants.kt

@@ -14,5 +14,6 @@ class CommandEcoEnchants(plugin: EcoPlugin) : PluginCommand(plugin, "ecoenchants
     init {
         addSubcommand(CommandReload(plugin))
             .addSubcommand(CommandToggleDescriptions(plugin))
+            .addSubcommand(CommandGiveRandomBook(plugin))
     }
 }

eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/commands/CommandGiveRandomBook.kt

@@ -0,0 +1,84 @@
+package com.willfp.ecoenchants.commands
+
+import com.willfp.eco.core.EcoPlugin
+import com.willfp.eco.core.command.impl.PluginCommand
+import com.willfp.eco.core.items.builder.EnchantedBookBuilder
+import com.willfp.ecoenchants.display.getFormattedName
+import com.willfp.ecoenchants.enchants.EcoEnchants
+import com.willfp.ecoenchants.enchants.wrap
+import com.willfp.ecoenchants.rarity.EnchantmentRarities
+import com.willfp.ecoenchants.rarity.EnchantmentRarity
+import com.willfp.ecoenchants.type.EnchantmentType
+import com.willfp.ecoenchants.type.EnchantmentTypes
+import org.bukkit.Bukkit
+import org.bukkit.command.CommandSender
+import org.bukkit.entity.Player
+
+
+class CommandGiveRandomBook(plugin: EcoPlugin) : PluginCommand(
+    plugin, "giverandombook", "ecoenchants.command.giverandombook", false
+) {
+    override fun onExecute(sender: CommandSender, args: List<String>) {
+        val player = (args.firstOrNull()?: run { sender
+            .sendMessage(plugin.langYml.getMessage("requires-player")); return }).asPlayer()?: run {
+            sender.sendMessage(plugin.langYml.getMessage("invalid-player"))
+            return
+        }
+
+        val filter = args.getOrNull(1)?.asRarity()?: args.getOrNull(1)?.asType()
+        val minLevel = args.getOrNull(2)?.toIntOrNull()?: 1
+        val maxLevel = args.getOrNull(3)?.toIntOrNull()?: Int.MAX_VALUE
+
+        if (minLevel > maxLevel) {
+            sender.sendMessage(plugin.langYml.getMessage("invalid-levels"))
+            return
+        }
+
+        val enchantment = EcoEnchants.values()
+            .filter {
+                when (filter) {
+                    is EnchantmentRarity -> it.enchantmentRarity == filter
+                    is EnchantmentType -> it.type == filter
+                    else -> true
+                } && it.maxLevel >= minLevel
+            }
+            .randomOrNull()?: run {
+                sender.sendMessage(plugin.langYml.getMessage("no-enchantments-found"))
+                return
+            }
+
+        val level = (minLevel..maxLevel).random()
+
+        player.inventory.addItem(EnchantedBookBuilder()
+            .addStoredEnchantment(enchantment, level.coerceAtMost(enchantment.maxLevel))
+            .build()).values.forEach {
+                player.world.dropItem(player.location, it)
+            }
+        sender.sendMessage(plugin.langYml.getMessage("random-book-given")
+            .replace("%playername%", player.name)
+            .replace("%enchantment%", enchantment.wrap()
+                .getFormattedName(level.coerceAtMost(enchantment.maxLevel))))
+    }
+
+    override fun tabComplete(sender: CommandSender, args: List<String>): List<String> {
+        return when (args.size) {
+            1 -> Bukkit.getOnlinePlayers().map { it.name }
+            2 -> (EnchantmentRarities.values().map { it.id } + EnchantmentTypes.values().map { it.id })
+            3 -> (1..10).map { it.toString() }
+            4 -> ((args[3].toIntOrNull()?: 1)..(args[3].toIntOrNull()?: 1)+10).map { it.toString() }
+            else -> emptyList()
+        }
+    }
+
+    private fun String.asPlayer(): Player? {
+        return Bukkit.getPlayer(this)
+    }
+
+    private fun String.asRarity(): EnchantmentRarity? {
+        return EnchantmentRarities.getByID(this.lowercase())
+    }
+
+    private fun String.asType(): EnchantmentType? {
+        return EnchantmentTypes.getByID(this.lowercase())
+    }
+}

eco-core/core-plugin/src/main/resources/lang.yml

@@ -14,6 +14,9 @@ messages:
   descriptions-disabled: "&cEnchantment descriptions are disabled on this server."
   not-found: "&cCannot find an enchantment matching name: &f%name%."
   missing-enchant: "&cYou must specify an enchantment!"
+  random-book-given: "&fYou have been given &a%playername%&f a &r%enchantment%&f random book!"
+  no-enchantments-found: "&cNo enchantments found!"
+  invalid-levels: "&cMinimum level can't be higher than maximum level!"
 
 all: "All"
 no-conflicts: "No Conflicts"

eco-core/core-plugin/src/main/resources/plugin.yml

@@ -45,6 +45,7 @@ permissions:
       ecoenchants.command.reload: true
       ecoenchants.command.ecoenchants: true
       ecoenchants.command.toggledescriptions: true
+      ecoenchants.command.giverandombook: true
       ecoenchants.command.enchantinfo: true
   ecoenchants.anvil.*:
     description: All anvil perks
@@ -58,6 +59,9 @@ permissions:
   ecoenchants.command.reload:
     description: Allows reloading the config
     default: op
+  ecoenchants.command.giverandombook:
+    description: Allows giving random books
+    default: op
   ecoenchants.command.ecoenchants:
     description: Allows the use of /ecoenchants.
     default: true