/*
 * 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.handler.skillhandlers;

import net.sf.l2j.gameserver.handler.ISkillHandler;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.model.L2ItemInstance;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2Skill;
import net.sf.l2j.gameserver.model.L2Summon;
import net.sf.l2j.gameserver.model.actor.instance.L2NpcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.StatusUpdate;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.skills.Formulas;
import net.sf.l2j.gameserver.templates.skills.L2SkillType;

/**
 * Class handling the Mana damage skill
 *
 * @author slyce
 */
public class Manadam implements ISkillHandler
{
	private static final L2SkillType[] SKILL_IDS =
	{
		L2SkillType.MANADAM
	};
	
	/**
	 * 
	 * @see net.sf.l2j.gameserver.handler.ISkillHandler#useSkill(net.sf.l2j.gameserver.model.L2Character, net.sf.l2j.gameserver.model.L2Skill, net.sf.l2j.gameserver.model.L2Object[])
	 */
	public void useSkill(L2Character activeChar, L2Skill skill, L2Object[] targets)
	{
		if (activeChar.isAlikeDead())
			return;
		
		boolean ss = false;
		boolean bss = false;
		
		L2ItemInstance weaponInst = activeChar.getActiveWeaponInstance();
		
		if (weaponInst != null)
		{
			if (weaponInst.getChargedSpiritshot() == L2ItemInstance.CHARGED_BLESSED_SPIRITSHOT)
			{
				bss = true;
				weaponInst.setChargedSpiritshot(L2ItemInstance.CHARGED_NONE);
			}
			else if (weaponInst.getChargedSpiritshot() == L2ItemInstance.CHARGED_SPIRITSHOT)
			{
				ss = true;
				weaponInst.setChargedSpiritshot(L2ItemInstance.CHARGED_NONE);
			}
		}
		// If there is no weapon equipped, check for an active summon.
		else if (activeChar instanceof L2Summon)
		{
			L2Summon activeSummon = (L2Summon) activeChar;
			
			if (activeSummon.getChargedSpiritShot() == L2ItemInstance.CHARGED_BLESSED_SPIRITSHOT)
			{
				bss = true;
				activeSummon.setChargedSpiritShot(L2ItemInstance.CHARGED_NONE);
			}
			else if (activeSummon.getChargedSpiritShot() == L2ItemInstance.CHARGED_SPIRITSHOT)
			{
				ss = true;
				activeSummon.setChargedSpiritShot(L2ItemInstance.CHARGED_NONE);
			}
		}
		else if (activeChar instanceof L2NpcInstance)
		{
			bss = ((L2NpcInstance) activeChar).isUsingShot(false);
			ss = ((L2NpcInstance) activeChar).isUsingShot(true);
		}
		for (L2Character target: (L2Character[]) targets)
		{
			if (target.reflectSkill(skill))
				target = activeChar;
			
			boolean acted = Formulas.getInstance().calcMagicAffected(activeChar, target, skill);
			if (target.isInvul() || !acted)
			{
				activeChar.sendPacket(new SystemMessage(SystemMessageId.MISSED_TARGET));
			}
			else
			{
				double damage = Formulas.getInstance().calcManaDam(activeChar, target, skill, ss, bss);
				
				double mp = (damage > target.getCurrentMp() ? target.getCurrentMp() : damage);
				target.reduceCurrentMp(mp);
				if (damage > 0)
				{
					if (target.isSleeping())
					{
						target.stopSleeping(null);
					}
					else if (target.isImmobileUntilAttacked())
					{
						target.stopImmobileUntilAttacked(null);
					}
				}
				
				if (target instanceof L2PcInstance)
				{
					StatusUpdate sump = new StatusUpdate(target.getObjectId());
					sump.addAttribute(StatusUpdate.CUR_MP, (int) target.getCurrentMp());
					// [L2J_JP EDIT START - TSL]
					target.sendPacket(sump);
					
					SystemMessage sm = new SystemMessage(SystemMessageId.S2_MP_HAS_BEEN_DRAINED_BY_S1);
					sm.addCharName(activeChar);
					sm.addNumber((int) mp);
					target.sendPacket(sm);
				}
				
				if (activeChar instanceof L2PcInstance)
				{
					SystemMessage sm2 = new SystemMessage(SystemMessageId.YOUR_OPPONENTS_MP_WAS_REDUCED_BY_S1);
					sm2.addNumber((int) mp);
					activeChar.sendPacket(sm2);
				}
				// [L2J_JP EDIT END - TSL]
			}
		}
	}
	
	/**
	 * 
	 * @see net.sf.l2j.gameserver.handler.ISkillHandler#getSkillIds()
	 */
	public L2SkillType[] getSkillIds()
	{
		return SKILL_IDS;
	}
}
