package me.jts3304.denyspawn;

import java.util.ArrayList;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.World;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.CreatureSpawnEvent;
import org.bukkit.plugin.java.JavaPlugin;

public class DenySpawn extends JavaPlugin implements Listener{

        public void onEnable() {
                this.getConfig().options().copyDefaults(true);
                this.saveDefaultConfig();

                Bukkit.getServer().getPluginManager().registerEvents(this, this);
        }

        public void onDisable() {
                this.saveDefaultConfig();
        }

        public boolean checkEntityFromString(String string) {
                if (org.bukkit.entity.EntityType.valueOf(string) == null) return false;

                return true;
        }

        public boolean worldInConfig(String world) {
                if (getServer().getWorld(world) == null) return false;
                if (getConfig().getConfigurationSection(world) == null) return false;

                return true;
        }

        public void removeNullWorlds() {
                for (String s : getConfig().getKeys(false)) {
                        if (Bukkit.getWorld(s) == null) {
                                getConfig().set(s, null);
                                saveConfig();
                                reloadConfig();
                        }
                }
        }

        @EventHandler
        public void onMobSpawn(CreatureSpawnEvent event) {
                LivingEntity mob = event.getEntity();

                removeNullWorlds();

                for (World w : getServer().getWorlds()) {
                        if (worldInConfig(w.getName())) {
                                for (String s : getConfig().getStringList(w.getName() + ".DeniedMobs")) {
                                        if (checkEntityFromString(s)) {
                                                if (mob.getType() == org.bukkit.entity.EntityType.valueOf(s)) {
                                                        event.setCancelled(true);
                                                }
                                        }
                                }
                        }
                        else {
                                getConfig().createSection(w.getName());
                                getConfig().set(w.getName() + ".DeniedMobs", new ArrayList<String>());
                                saveConfig();
                                reloadConfig();
                        }
                }
        }

        public boolean onCommand(CommandSender s, Command c, String label, String args[]) {
                if (!(s instanceof Player)) {
                        if (c.getName().equalsIgnoreCase("denyspawn")) {
                                if (args.length == 1) {
                                        if (args[0].equalsIgnoreCase("reload")) {
                                                reloadConfig();
                                                s.sendMessage("Config reloaded.");
                                                return true;
                                        }
                                }
                        }
                }

                Player p = (Player) s;

                if (args.length == 0) {
                        if (p.hasPermission("denyspawn.use") || p.isOp()) {
                                p.sendMessage(ChatColor.GREEN + "/denyspawn reload");
                                return true;
                        }
                        else {
                                return true;
                        }
                }
                else if (args.length == 1) {
                        if (args[0].equalsIgnoreCase("reload")) {
                                if (p.hasPermission("denyspawn.reload") || p.isOp()) {
                                        reloadConfig();
                                        p.sendMessage(ChatColor.GREEN + "Config reloaded.");
                                        return true;
                                }
                        }
                        else {
                                return true;
                        }
                }
                else {
                        return true;
                }

                return false;
        }
}