/*
 * 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 net.sf.l2j.gameserver.skills.basefuncs;

import net.sf.l2j.gameserver.skills.Env;

/**
 * @author mkizub
 */
public final class LambdaStats extends Lambda
{
	public enum StatsType
	{
		PLAYER_LEVEL,
		TARGET_LEVEL,
		PLAYER_MAX_HP,
		PLAYER_MAX_MP
	}
	
	private final StatsType _stat;
	
	public LambdaStats(StatsType stat)
	{
		_stat = stat;
	}
	
	@Override
	public double calc(Env env)
	{
		switch (_stat)
		{
			case PLAYER_LEVEL:
				if (env.player == null)
					return 1;
				return env.player.getLevel();
			case TARGET_LEVEL:
				if (env.target == null)
					return 1;
				return env.target.getLevel();
			case PLAYER_MAX_HP:
				if (env.player == null)
					return 1;
				return env.player.getMaxHp();
			case PLAYER_MAX_MP:
				if (env.player == null)
					return 1;
				return env.player.getMaxMp();
		}
		return 0;
	}
}