/*
 * Copyright (C) 2004-2015 L2J DataPack
 * 
 * This file is part of L2J DataPack.
 * 
 * L2J DataPack 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 3 of the License, or
 * (at your option) any later version.
 * 
 * L2J DataPack 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, see <http://www.gnu.org/licenses/>.
 */
package hellbound.AI;

import java.util.Collections;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

import ai.npc.AbstractNpcAI;

import com.l2jserver.gameserver.model.L2Spawn;
import com.l2jserver.gameserver.model.Location;
import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.instance.L2MonsterInstance;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.NpcStringId;
import com.l2jserver.gameserver.network.clientpackets.Say2;

/**
 * Manages Darion's Enforcer's and Darion's Executioner spawn/despawn
 * @author GKR
 */
public final class Keltas extends AbstractNpcAI
{
	// NPCs
	private static final int KELTAS = 22341;
	private static final int ENFORCER = 22342;
	private static final int EXECUTIONER = 22343;
	// Locations
	private static final Location[] ENFORCER_SPAWN_POINTS =
	{
		new Location(-24540, 251404, -3320),
		new Location(-24100, 252578, -3060),
		new Location(-24607, 252443, -3074),
		new Location(-23962, 252041, -3275),
		new Location(-24381, 252132, -3090),
		new Location(-23652, 251838, -3370),
		new Location(-23838, 252603, -3095),
		new Location(-23257, 251671, -3360),
		new Location(-27127, 251106, -3523),
		new Location(-27118, 251203, -3523),
		new Location(-27052, 251205, -3523),
		new Location(-26999, 250818, -3523),
		new Location(-29613, 252888, -3523),
		new Location(-29765, 253009, -3523),
		new Location(-29594, 252570, -3523),
		new Location(-29770, 252658, -3523),
		new Location(-27816, 252008, -3527),
		new Location(-27930, 252011, -3523),
		new Location(-28702, 251986, -3523),
		new Location(-27357, 251987, -3527),
		new Location(-28859, 251081, -3527),
		new Location(-28607, 250397, -3523),
		new Location(-28801, 250462, -3523),
		new Location(-29123, 250387, -3472),
		new Location(-25376, 252368, -3257),
		new Location(-25376, 252208, -3257)
	};
	private static final Location[] EXECUTIONER_SPAWN_POINTS =
	{
		new Location(-24419, 251395, -3340),
		new Location(-24912, 252160, -3310),
		new Location(-25027, 251941, -3300),
		new Location(-24127, 252657, -3058),
		new Location(-25120, 252372, -3270),
		new Location(-24456, 252651, -3060),
		new Location(-24844, 251614, -3295),
		new Location(-28675, 252008, -3523),
		new Location(-27943, 251238, -3523),
		new Location(-27827, 251984, -3523),
		new Location(-27276, 251995, -3523),
		new Location(-28769, 251955, -3523),
		new Location(-27969, 251073, -3523),
		new Location(-27233, 250938, -3523),
		new Location(-26835, 250914, -3523),
		new Location(-26802, 251276, -3523),
		new Location(-29671, 252781, -3527),
		new Location(-29536, 252831, -3523),
		new Location(-29419, 253214, -3523),
		new Location(-27923, 251965, -3523),
		new Location(-28499, 251882, -3527),
		new Location(-28194, 251915, -3523),
		new Location(-28358, 251078, -3527),
		new Location(-28580, 251071, -3527),
		new Location(-28492, 250704, -3523)
	};
	// Misc
	private L2MonsterInstance _spawnedKeltas = null;
	private final Set<L2Spawn> _spawnedMonsters = Collections.newSetFromMap(new ConcurrentHashMap<L2Spawn, Boolean>());
	
	public Keltas()
	{
		super(Keltas.class.getSimpleName(), "hellbound/AI");
		addKillId(KELTAS);
		addSpawnId(KELTAS);
	}
	
	private void spawnMinions()
	{
		for (Location loc : ENFORCER_SPAWN_POINTS)
		{
			final L2MonsterInstance minion = (L2MonsterInstance) addSpawn(ENFORCER, loc, false, 0, false);
			final L2Spawn spawn = minion.getSpawn();
			spawn.setRespawnDelay(60);
			spawn.setAmount(1);
			spawn.startRespawn();
			_spawnedMonsters.add(spawn);
		}
		
		for (Location loc : EXECUTIONER_SPAWN_POINTS)
		{
			final L2MonsterInstance minion = (L2MonsterInstance) addSpawn(EXECUTIONER, loc, false, 0, false);
			final L2Spawn spawn = minion.getSpawn();
			spawn.setRespawnDelay(80);
			spawn.setAmount(1);
			spawn.startRespawn();
			_spawnedMonsters.add(spawn);
		}
	}
	
	private void despawnMinions()
	{
		if (_spawnedMonsters.isEmpty())
		{
			return;
		}
		
		for (L2Spawn spawn : _spawnedMonsters)
		{
			spawn.stopRespawn();
			L2Npc minion = spawn.getLastSpawn();
			if ((minion != null) && !minion.isDead())
			{
				minion.deleteMe();
			}
		}
		_spawnedMonsters.clear();
	}
	
	@Override
	public String onAdvEvent(String event, L2Npc npc, L2PcInstance player)
	{
		if (event.equalsIgnoreCase("despawn"))
		{
			final L2Npc keltas = _spawnedKeltas;
			if ((keltas != null) && !keltas.isDead())
			{
				broadcastNpcSay(keltas, Say2.NPC_SHOUT, NpcStringId.THAT_IS_IT_FOR_TODAY_LET_S_RETREAT_EVERYONE_PULL_BACK);
				keltas.deleteMe();
				keltas.getSpawn().decreaseCount(keltas);
				despawnMinions();
			}
		}
		return super.onAdvEvent(event, npc, player);
	}
	
	@Override
	public String onKill(L2Npc npc, L2PcInstance killer, boolean isSummon)
	{
		cancelQuestTimers("despawn");
		despawnMinions();
		return super.onKill(npc, killer, isSummon);
	}
	
	@Override
	public final String onSpawn(L2Npc npc)
	{
		_spawnedKeltas = (L2MonsterInstance) npc;
		broadcastNpcSay(_spawnedKeltas, Say2.NPC_SHOUT, NpcStringId.GUYS_SHOW_THEM_OUR_POWER);
		spawnMinions();
		startQuestTimer("despawn", 1800000, null, null);
		return super.onSpawn(npc);
	}
}