package eu.univento.lobby.commands;

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.Chunk;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;

import eu.univento.core.api.AutoCommand;
import eu.univento.core.api.CustomPlayer;
import eu.univento.core.api.Messages;
import eu.univento.core.api.NPC;
import eu.univento.core.api.Perms.Ranks;
import eu.univento.lobby.Lobby;

/**
 * spawns NPCs
 * @author joethei
 * @version 1.0
 */
public class SetNPC extends AutoCommand<Lobby>{
	
	 /**
	 * configuration file
	 */
	static File file = new File("plugins/Lobby", "NPCs.yml");
	 /**
	 * configuration
	 */
	static FileConfiguration cfg = YamlConfiguration.loadConfiguration(file);

	/**
	 * @param plugin main class
	 * @param command command to execute
	 * @param description describes the command
	 * @param aliases aliases of command
	 */
	public SetNPC(Lobby plugin, String command, String description, String[] aliases) {
		super(plugin, command, description, aliases);
	}

	@Override
	public boolean execute(CommandSender sender, String label, String[] args) {
		if(sender instanceof Player) {
			CustomPlayer p = CustomPlayer.getPlayer(sender.getName());
			if(p.isAllowed(Ranks.Admin)) {
				if (args.length == 1) {
		            cfg.set(args[0] + ".World", p.getWorld().getName());
		            cfg.set(args[0] + ".X", Double.valueOf(p.getLocation().getX()));
		            cfg.set(args[0] + ".Y", Double.valueOf(p.getLocation().getY()));
		            cfg.set(args[0] + ".Z", Double.valueOf(p.getLocation().getY()));

		            try {
						cfg.save(file);
					} catch (IOException e) {
						e.printStackTrace();
					}

		            spawnNPC(args[0], p.getLocation());
		          }
				p.sendMessage("§cNutze /setnpc <Name>");
			}else {
				sender.sendMessage(Messages.NO_PERMS);
			}
		}else {
			sender.sendMessage(Messages.NOT_A_PLAYER);
		}
		return false;
	}

	@Override
	public List<String> tabComplete(CommandSender sender, String label, String[] args) {
		return null;
	}
	
	  /**
	 * @param name name of npc
	 * @param loc location to spawn
	 */
	static void spawnNPC(String name, Location loc) {
		    Bukkit.getScheduler().runTaskAsynchronously(Lobby.getInstance(), new Runnable() {

				@Override
				public void run() {
			        NPC npc = new NPC(name, loc, true);
			        npc.setItemInHand(Material.IRON_SWORD);
			        npc.spawn();
					
				}
		    });
		  }

		  /**
		 * @param what name of the npc
		 */
		public static void startNPCs(String what) {
		    String world = cfg.getString(what + ".World");
		    double x = cfg.getDouble(what + ".X");
		    double y = cfg.getDouble(what + ".Y");
		    double z = cfg.getDouble(what + ".Z");

		    World w = Bukkit.getWorld(world);

		    Location loc = new Location(w, x, y, z);
		    Chunk chunk = loc.getChunk();
		    chunk.load();
		    spawnNPC(what, loc);
		  }

}