package dk.thoerup.bukkit.hoeruputils;

import java.io.File;
import java.io.IOException;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.OfflinePlayer;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import org.bukkit.configuration.Configuration;
import org.bukkit.configuration.file.YamlConfiguration;

public class HomeCommand implements CommandExecutor {

	Plugin plugin;

	YamlConfiguration config;

	File file;

	public HomeCommand(Plugin plugin) {
		this.plugin = plugin;

		file = new File( plugin.getDataFolder(), "homes.yml");

		config = new YamlConfiguration();
		try {
			config.load(file);
		} catch (Exception e) {
			System.out.println("[HoerupUtils] exception loading config file: " + e.getMessage() );
		}
	}

	Configuration getConfig() {
		return config;
	}
	

	@Override
	public boolean onCommand(final CommandSender sender, Command command, String label, String[] args) {
		
		if (!(sender instanceof Player)) {
			return false;
		}
		final Player p = (Player) sender;

		String name = p.getName();

		if ( command.getName().equals("home") ) {
			tpUser(p, name);
		}
		if ( command.getName().equals("ophome") ) {
			if (args.length != 1) {
				p.sendMessage("Usage: /ophome <player>");
				return true;
			}
			if ( p.isOp() ) {
				@SuppressWarnings("deprecation")
				OfflinePlayer op = sender.getServer().getOfflinePlayer(args[0]);	
				if (op.hasPlayedBefore() == false && op.isOnline() == false) {
					sender.sendMessage("Player not found");					
				} else {
					p.sendMessage("Sending you to " + op.getName() + "'s home");
					tpUser(p, op.getName() );
				}
			} else {
				p.sendMessage("Only operators may use this command");
			}
		} 

		if (command.getName().equals("sethome") ) {
			Location loc = p.getLocation();
			config.set( name + ".yaw", loc.getYaw() );
			config.set( name + ".pitch", loc.getPitch() );
			config.set( name + ".world", loc.getWorld().getName() );
			config.set( name + ".x", loc.getX() );
			config.set( name + ".y", loc.getY() );
			config.set( name + ".z", loc.getZ() );

			try {
				config.save(file);
				p.sendMessage(ChatColor.YELLOW + "home is set");
			} catch (IOException e) {
				System.out.println("[HoerupUtils] : /sethome save threw an IO exception: " + e.getMessage() );
			}
		}
		
		return true;
	}
	
	private void tpUser(final Player p, String name) {
		String worldName = config.getString( name + ".world");
		if (worldName != null) {
			double yaw = config.getDouble( name + ".yaw", 0.0);	
			double pitch = config.getDouble( name + ".pitch", 0.0);	
			double x = config.getDouble( name + ".x", 0.0);	
			double y = config.getDouble( name + ".y", 0.0);	
			double z = config.getDouble( name + ".z", 0.0);	

			World world = p.getServer().getWorld(worldName);
			int blockX = (int) Math.floor(x);
			int blockZ = (int) Math.floor(z);
			world.loadChunk(blockX, blockZ);	

			final Location loc = new Location( world, x, y, z, (float)yaw, (float)pitch);

			Runnable r = new Runnable() {
				public void run() {
					p.teleport(loc);
				}
			};
			int tickCount = 2; // 2 ticks = 100ms

			p.getServer().getScheduler().scheduleSyncDelayedTask(plugin, r, tickCount);

		} else {
			p.sendMessage(ChatColor.YELLOW + "You haven't set a home yet!");
		}
		
	}
}