/* This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package com.l2jfrozen.gameserver.model.actor.instance;

import java.util.concurrent.ScheduledFuture;

import com.l2jfrozen.Config;
import com.l2jfrozen.gameserver.datatables.SkillTable;
import com.l2jfrozen.gameserver.model.L2Character;
import com.l2jfrozen.gameserver.model.L2Skill;
import com.l2jfrozen.gameserver.network.serverpackets.CreatureSay;
import com.l2jfrozen.gameserver.network.serverpackets.MagicSkillUser;
import com.l2jfrozen.gameserver.templates.L2NpcTemplate;
import com.l2jfrozen.gameserver.thread.ThreadPoolManager;

/**
 * @author Ederik
 */
public class L2ProtectorInstance extends L2NpcInstance
{
	private ScheduledFuture<?> _aiTask;

	private class ProtectorAI implements Runnable
	{
		private L2ProtectorInstance _caster;

		protected ProtectorAI(L2ProtectorInstance caster)
		{
			_caster = caster;
		}

		@Override
		public void run()
		{
			/**
			 * For each known player in range, cast sleep if pvpFlag != 0 or Karma >0 Skill use is just for buff
			 * animation
			 */
			for(L2PcInstance player : getKnownList().getKnownPlayers().values())

			{
				if(player.getKarma() > 0 && Config.PROTECTOR_PLAYER_PK || player.getPvpFlag() != 0 && Config.PROTECTOR_PLAYER_PVP)
				{
					handleCast(player, Config.PROTECTOR_SKILLID, Config.PROTECTOR_SKILLLEVEL);
				}
			}
		}

		private boolean handleCast(L2PcInstance player, int skillId, int skillLevel)
		{
			if(player.isGM() || player.isDead() || !player.isVisible() || !isInsideRadius(player, Config.PROTECTOR_RADIUS_ACTION, false, false))
				return false;

			L2Skill skill = SkillTable.getInstance().getInfo(skillId, skillLevel);

			if(player.getFirstEffect(skill) == null)
			{
				int objId = _caster.getObjectId();
				skill.getEffects(_caster, player,false,false,false);
				broadcastPacket(new MagicSkillUser(_caster, player, skillId, skillLevel, Config.PROTECTOR_SKILLTIME, 0));
				broadcastPacket(new CreatureSay(objId, 0, String.valueOf(getName()), Config.PROTECTOR_MESSAGE));

				skill = null;
				return true;
			}

			return false;
		}
	}

	public L2ProtectorInstance(int objectId, L2NpcTemplate template)
	{
		super(objectId, template);

		if(_aiTask != null)
		{
			_aiTask.cancel(true);
		}

		_aiTask = ThreadPoolManager.getInstance().scheduleAiAtFixedRate(new ProtectorAI(this), 3000, 3000);
	}

	@Override
	public void deleteMe()
	{
		if(_aiTask != null)
		{
			_aiTask.cancel(true);
			_aiTask = null;
		}

		super.deleteMe();
	}

	@Override
	public boolean isAutoAttackable(L2Character attacker)
	{
		return false;
	}
}
