package dk.thoerup.bukkit.hoeruputils;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Server;
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.event.Listener;
import org.bukkit.event.EventHandler;
import org.bukkit.event.player.PlayerTeleportEvent;
import org.bukkit.event.player.PlayerPortalEvent;
import org.bukkit.event.player.PlayerMoveEvent;
import org.bukkit.event.player.PlayerJoinEvent;

import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.BlockPlaceEvent;

import java.util.ArrayList;
import java.util.TreeSet;

public class Jail implements CommandExecutor,  Listener {
	
	Plugin plugin;

	TreeSet<String> jailed = new TreeSet<String>();

	Location jailLocation;
	Location releaseLocation;

	final double maxDist = 25.0;
	
	public Jail(Plugin plugin) {
		this.plugin = plugin;

		jailLocation = new Location( plugin.getServer().getWorld("world"), 528.0, 68.0, 57);
		releaseLocation = new Location( plugin.getServer().getWorld("world"), 124.0, 68.0, 78);

		jailed.add("hoerup");
	}

	@Override
	public boolean onCommand(final CommandSender sender, Command command, String label, String[] args) {
		if (! (sender instanceof Player) ) {
			sender.sendMessage("only use these commands in-game");
			return true;
		}

		Player p = (Player) sender;

		if ( !p.isOp()) {
			p.sendMessage("Only server operators may use this command");
			return true;
		}

		if (args.length == 0) {
			p.sendMessage("Usage: /jail <imprison|release|list|tpjail|tprelease>");
			return true;
		}

		if (args[0].equals("imprison")) {
			if (args.length != 2) {
				return true;
			}

			Player inmate = sender.getServer().getPlayer( args[1] );
			if (inmate == null) {
				p.sendMessage("Player not found");
				return true;	
			}	


			inmate.sendMessage("You have been imprisoned");
			inmate.teleport( jailLocation );
			jailed.add( inmate.getName() );
			return true;
		}

		if (args[0].equals("release")) {
			if (args.length != 2) {
				return true;
			}

			Player inmate = sender.getServer().getPlayer( args[1] );
			if (inmate == null) {
				p.sendMessage("Player not found");
				return true;	
			}	


			jailed.remove( inmate.getName() );
			inmate.sendMessage("You have been released from prison");
			inmate.teleport( releaseLocation );
			return true;
		}

		if (args[0].equals("list") ) {
			if (jailed.size() > 0) {
				StringBuffer sb = new StringBuffer();
				for (String j : jailed ) {
					sb.append(", ");
					sb.append(j);
				}
				sender.sendMessage("Current inmates: " + sb.substring(2) );
			} else {
				sender.sendMessage("There are currently no inmates");
			}
			return true;
		}
		if (args[0].equals("tpjail")) {
			p.teleport(jailLocation);
			return true;
		}
		if (args[0].equals("tprelease")) {
			p.teleport(releaseLocation);
			return true;
		}

		sender.sendMessage( "Unknown command: " + args[0] );

		return true;
	}

	@EventHandler
	public void onPlayerMove(PlayerMoveEvent event) {
		Player p = event.getPlayer();
		if (jailed.contains(p.getName() )) {
			Location to = event.getTo();
			double xDist = Math.abs( to.getX() - jailLocation.getX() );
			double zDist = Math.abs( to.getZ() - jailLocation.getZ() );

			if ( xDist > maxDist || zDist > maxDist) {
				//System.out.println("" + xDist + " / " + zDist );
				event.setCancelled(true );				
			}
		}
	}

	@EventHandler
	public void onJoin(PlayerJoinEvent event) {
		Player p = event.getPlayer();
		if (jailed.contains( p.getName() ) ) {
			p.teleport( jailLocation );
		}
	}

	@EventHandler
	public void onBlockBreak(BlockBreakEvent event) {
		Player p = event.getPlayer();
		if (jailed.contains( p.getName() ) ) {
			event.setCancelled( true );
		}
	}
	@EventHandler
	public void onBlockPlace(BlockPlaceEvent event) {
		Player p = event.getPlayer();
		if (jailed.contains( p.getName() ) ) {
			event.setCancelled( true );
		}
	}

	@EventHandler
	public void onTeleport(PlayerTeleportEvent event) {
		Player p = event.getPlayer();
		if (jailed.contains( p.getName() ) ) {

			//System.out.println( "Teleport: " + event.getCause().toString() );

			Location from = event.getFrom();
			Location to = event.getTo();
			if ( from.getWorld() != to.getWorld() ) {
				p.sendMessage("You are jailed and may not teleport");
				event.setCancelled(true );				
				return;
			}

			double xDist = Math.abs( to.getX() - jailLocation.getX() );
			double zDist = Math.abs( to.getZ() - jailLocation.getZ() );

			if ( xDist > maxDist || zDist > maxDist) {
				p.sendMessage("You are jailed and may not teleport");
				event.setCancelled(true );				
			}
		}
	}

	@EventHandler
	public void onPortal(PlayerPortalEvent event) {
		Player p = event.getPlayer();
		if (jailed.contains( p.getName() ) ) {
			p.sendMessage("You are jailed and may not use portals");
			event.setCancelled( true );			
		}
	}
}