import java.util.ArrayList;

public class SimpleListener extends PluginListener {
	private ArrayList<String> godmodeEnabled = new ArrayList<String>();
    final private Server _server;

    public SimpleListener(Server server)
    {
        _server = server;
    }

	private void printAIHelp(Player player){
		player.sendMessage("/ai mob - total # of mobs in current chunk.");
		player.sendMessage("/ai animal - total # of animals in current chunk.");
		player.sendMessage("/ai all - total # of mobs and animals in current chunk.");
		player.sendMessage("/ai killmob - kill all mobs in current chunk.");
		player.sendMessage("/ai killanimal - kill all animals in current chunk.");
		player.sendMessage("/ai killall - kill all things in current chunk.");
	}

	public void onLogin(Player player)
	{
		if(player.isAdmin())
		{
			if(!godmodeEnabled.contains(player.getName()))
			{
				player.setHealth(30);
				player.sendMessage("God Mode Enabled.");
				godmodeEnabled.add(player.getName());
			}
			else if(godmodeEnabled.contains(player.getName()))
			{
				player.sendMessage("God Mode Enabled.");
			}
		}
	}

	public void onDisconnect(Player player)
	{
		if (godmodeEnabled.contains(player.getName()))
				{
					godmodeEnabled.remove(godmodeEnabled.indexOf(player.getName()));
				}
	}

	 public boolean onHealthChange(Player player, int oldValue, int newValue)
		{
			if (player.getHealth() != 30 && godmodeEnabled.contains(player.getName()))
			{
				player.setHealth(30);
			}
			return false;
		}

	 public boolean onDamage(PluginLoader.DamageType type, BaseEntity attacker, BaseEntity defender, int amount)
	    {
	    	if(defender.isPlayer())
	    	{
	    		Player player = defender.getPlayer();
	    		if(godmodeEnabled.contains(player.getName()) && type == PluginLoader.DamageType.FALL)
				{
					return true;
				}
	    		if(godmodeEnabled.contains(player.getName()) && type == PluginLoader.DamageType.EXPLOSION)
				{
					return true;
				}
	    		if(godmodeEnabled.contains(player.getName()) && type == PluginLoader.DamageType.FIRE_TICK)
				{
					return true;
				}
	    		if(godmodeEnabled.contains(player.getName()) && type == PluginLoader.DamageType.FIRE)
				{
					return true;
				}
	    		if(godmodeEnabled.contains(player.getName()) && type == PluginLoader.DamageType.CREEPER_EXPLOSION)
				{
					return true;
				}
	    		if(godmodeEnabled.contains(player.getName()) && type == PluginLoader.DamageType.WATER)
				{
					return true;
				}
	    		if(godmodeEnabled.contains(player.getName()) && type == PluginLoader.DamageType.LAVA)
				{
					return true;
				}
	    	}

	     return false;
	    }

    @Override
    public boolean onCommand(Player player, String[] split) {

        if (split[0].equalsIgnoreCase("/ai")) {
        	if (split.length == 1){
        		printAIHelp(player);
        		return true;
        	}
        	if (split.length == 2){
        		if ( split[1].equalsIgnoreCase("mob")){
        			player.sendMessage(Colors.Yellow + "There are " + Colors.Rose + _server.getMobList().size() + Colors.Yellow + " mobs.");
        		}
        		else if ( split[1].equalsIgnoreCase("animal")){
        			player.sendMessage(Colors.Yellow + "There are " + Colors.Rose + _server.getAnimalList().size() + Colors.Yellow + " animals.");
        		}
        		else if ( split[1].equalsIgnoreCase("all")){
        			int mobAll = _server.getAnimalList().size() + _server.getMobList().size();
        			player.sendMessage(Colors.Yellow + "There are " + Colors.Rose + mobAll + Colors.Yellow + " mobs and animals.");
        		}
        		else if ( split[1].equalsIgnoreCase("killmob")){
        			int killed = 0;
                	for (Mob mob : _server.getMobList()) {
                        if (mob.getHealth() > 0) {
                            mob.setHealth(0);
                            killed++;
                        }
                	}
                	_server.messageAll(Colors.Red + player.getName() + Colors.Yellow + " has slain: " + Colors.Red + killed + Colors.Yellow + " mobs.");
                	return true;
        		}
        		else if ( split[1].equalsIgnoreCase("killanimal")){
        			int killed = 0;
                	for (Mob mob : _server.getAnimalList()) {
                        if (mob.getHealth() > 0) {
                            mob.setHealth(0);
                            killed++;
                        }
                	}
                	_server.messageAll(Colors.Red + player.getName() + Colors.Yellow + " has slain: " + Colors.Red + killed + Colors.Yellow + " animals.");
                	return true;
        		}
        		else if ( split[1].equalsIgnoreCase("killall")){
        			int killed = 0;
        			int killed2 = 0;
        			int killed3 = 0;
                	for (Mob mob : _server.getMobList()) {
                        if (mob.getHealth() > 0) {
                            mob.setHealth(0);
                            killed++;
                        }
                	}
                	for (Mob mob : _server.getAnimalList()) {
                        if (mob.getHealth() > 0) {
                            mob.setHealth(0);
                            killed2++;
                        }
                	}
                	killed3 = killed + killed2;
                	_server.messageAll(Colors.Red + player.getName() + Colors.Yellow + " has slain: " + Colors.Red + killed3 + Colors.Yellow + " mobs and animals.");
                	return true;
        		}
        		else {
        			return false;
        		}
        	}
        }
        else if (split[0].equalsIgnoreCase("/god")) {
        	if (split.length == 1){
        		if (godmodeEnabled.contains(player.getName()))
				{
					player.sendMessage("You are vulnerable!");
					godmodeEnabled.remove(godmodeEnabled.indexOf(player.getName()));
					return true;
				}
				else
				{
					player.sendMessage("You are now invincible!");
					godmodeEnabled.add(player.getName());
					player.setHealth(30);
					return true;
				}
        	}
        	else {
				Player targetPlayer = etc.getServer().matchPlayer(split[1]);
				if(targetPlayer==null)
				{
					player.sendMessage("The user "+split[1]+" does not exist or is not currently logged in.");
					return true;
				}
				else if (godmodeEnabled.contains(targetPlayer.getName()))
				{
					player.sendMessage(targetPlayer.getName() + " is no longer invincible.");
					godmodeEnabled.remove(godmodeEnabled.indexOf(targetPlayer.getName()));
					targetPlayer.sendMessage(player.getName() + " has made you vulnerable.");
					return true;
				}
				else
				{
					player.sendMessage(targetPlayer.getName() + " has been given godmode.");
					godmodeEnabled.add(targetPlayer.getName());
					targetPlayer.sendMessage("Admin:, " + player.getName() +  " has given you godmode!");
					return true;
				}
        	}
        }
		return false;
    }
}