/*
 * 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.gameserver.model.conditions;

import com.l2jserver.gameserver.instancemanager.CastleManager;
import com.l2jserver.gameserver.instancemanager.FortManager;
import com.l2jserver.gameserver.instancemanager.TerritoryWarManager;
import com.l2jserver.gameserver.model.actor.L2Character;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.entity.Castle;
import com.l2jserver.gameserver.model.entity.Fort;
import com.l2jserver.gameserver.model.stats.Env;

/**
 * The Class ConditionSiegeZone.
 * @author Gigiikun
 */
public final class ConditionSiegeZone extends Condition
{
	// conditional values
	public static final int COND_NOT_ZONE = 0x0001;
	public static final int COND_CAST_ATTACK = 0x0002;
	public static final int COND_CAST_DEFEND = 0x0004;
	public static final int COND_CAST_NEUTRAL = 0x0008;
	public static final int COND_FORT_ATTACK = 0x0010;
	public static final int COND_FORT_DEFEND = 0x0020;
	public static final int COND_FORT_NEUTRAL = 0x0040;
	public static final int COND_TW_CHANNEL = 0x0080;
	public static final int COND_TW_PROGRESS = 0x0100;
	
	private final int _value;
	private final boolean _self;
	
	/**
	 * Instantiates a new condition siege zone.
	 * @param value the value
	 * @param self the self
	 */
	public ConditionSiegeZone(int value, boolean self)
	{
		_value = value;
		_self = self;
	}
	
	@Override
	public boolean testImpl(Env env)
	{
		L2Character target = _self ? env.getCharacter() : env.getTarget();
		Castle castle = CastleManager.getInstance().getCastle(target);
		Fort fort = FortManager.getInstance().getFort(target);
		
		if (((_value & COND_TW_PROGRESS) != 0) && !TerritoryWarManager.getInstance().isTWInProgress())
		{
			return false;
		}
		else if (((_value & COND_TW_CHANNEL) != 0) && !TerritoryWarManager.getInstance().isTWChannelOpen())
		{
			return false;
		}
		else if ((castle == null) && (fort == null))
		{
			return (_value & COND_NOT_ZONE) != 0;
		}
		if (castle != null)
		{
			return checkIfOk(target, castle, _value);
		}
		return checkIfOk(target, fort, _value);
	}
	
	/**
	 * Check if ok.
	 * @param activeChar the active char
	 * @param castle the castle
	 * @param value the value
	 * @return true, if successful
	 */
	public static boolean checkIfOk(L2Character activeChar, Castle castle, int value)
	{
		if ((activeChar == null) || !(activeChar instanceof L2PcInstance))
		{
			return false;
		}
		
		L2PcInstance player = (L2PcInstance) activeChar;
		
		if (((castle == null) || (castle.getCastleId() <= 0)))
		{
			if ((value & COND_NOT_ZONE) != 0)
			{
				return true;
			}
		}
		else if (!castle.getZone().isActive())
		{
			if ((value & COND_NOT_ZONE) != 0)
			{
				return true;
			}
		}
		else if (((value & COND_CAST_ATTACK) != 0) && player.isRegisteredOnThisSiegeField(castle.getCastleId()) && (player.getSiegeState() == 1))
		{
			return true;
		}
		else if (((value & COND_CAST_DEFEND) != 0) && player.isRegisteredOnThisSiegeField(castle.getCastleId()) && (player.getSiegeState() == 2))
		{
			return true;
		}
		else if (((value & COND_CAST_NEUTRAL) != 0) && (player.getSiegeState() == 0))
		{
			return true;
		}
		
		return false;
	}
	
	/**
	 * Check if ok.
	 * @param activeChar the active char
	 * @param fort the fort
	 * @param value the value
	 * @return true, if successful
	 */
	public static boolean checkIfOk(L2Character activeChar, Fort fort, int value)
	{
		if ((activeChar == null) || !(activeChar instanceof L2PcInstance))
		{
			return false;
		}
		
		L2PcInstance player = (L2PcInstance) activeChar;
		
		if (((fort == null) || (fort.getFortId() <= 0)))
		{
			if ((value & COND_NOT_ZONE) != 0)
			{
				return true;
			}
		}
		else if (!fort.getZone().isActive())
		{
			if ((value & COND_NOT_ZONE) != 0)
			{
				return true;
			}
		}
		else if (((value & COND_FORT_ATTACK) != 0) && player.isRegisteredOnThisSiegeField(fort.getFortId()) && (player.getSiegeState() == 1))
		{
			return true;
		}
		else if (((value & COND_FORT_DEFEND) != 0) && player.isRegisteredOnThisSiegeField(fort.getFortId()) && (player.getSiegeState() == 2))
		{
			return true;
		}
		else if (((value & COND_FORT_NEUTRAL) != 0) && (player.getSiegeState() == 0))
		{
			return true;
		}
		
		return false;
	}
	
}