/*
 * This file is part of the L2J Mobius project.
 * 
 * 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 handlers.effecthandlers;

import org.l2jmobius.gameserver.model.StatSet;
import org.l2jmobius.gameserver.model.actor.Creature;
import org.l2jmobius.gameserver.model.effects.AbstractEffect;
import org.l2jmobius.gameserver.model.item.instance.Item;
import org.l2jmobius.gameserver.model.skill.Skill;
import org.l2jmobius.gameserver.model.stats.Stat;
import org.l2jmobius.gameserver.network.SystemMessageId;
import org.l2jmobius.gameserver.network.serverpackets.SystemMessage;

/**
 * Cp Heal Percent effect implementation.
 * @author UnAfraid
 */
public class CpHealPercent extends AbstractEffect
{
	private final double _power;
	
	public CpHealPercent(StatSet params)
	{
		_power = params.getDouble("power", 0);
		
		if (params.contains("amount"))
		{
			throw new IllegalArgumentException(getClass().getSimpleName() + " should use power instead of amount.");
		}
	}
	
	@Override
	public boolean isInstant()
	{
		return true;
	}
	
	@Override
	public void instant(Creature effector, Creature effected, Skill skill, Item item)
	{
		if (effected.isDead() || effected.isDoor() || effected.isHpBlocked())
		{
			return;
		}
		
		double amount = 0;
		final double power = _power;
		final boolean full = (power == 100.0);
		
		amount = full ? effected.getMaxCp() : (effected.getMaxCp() * power) / 100.0;
		if ((item != null) && (item.isPotion() || item.isElixir()))
		{
			amount += effected.getStat().getValue(Stat.ADDITIONAL_POTION_CP, 0);
		}
		
		// Prevents overheal and negative amount
		amount = Math.max(Math.min(amount, effected.getMaxRecoverableCp() - effected.getCurrentCp()), 0);
		if (amount != 0)
		{
			final double newCp = amount + effected.getCurrentCp();
			effected.setCurrentCp(newCp, false);
			effected.broadcastStatusUpdate(effector);
		}
		
		if ((effector != null) && (effector != effected))
		{
			final SystemMessage sm = new SystemMessage(SystemMessageId.S2_CP_HAS_BEEN_RESTORED_BY_C1);
			sm.addString(effector.getName());
			sm.addInt((int) amount);
			effected.sendPacket(sm);
		}
		else
		{
			final SystemMessage sm = new SystemMessage(SystemMessageId.S1_CP_HAS_BEEN_RESTORED);
			sm.addInt((int) amount);
			effected.sendPacket(sm);
		}
	}
}
