/*
 * 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.skillhandlers;

import com.l2jserver.gameserver.handler.ISkillHandler;
import com.l2jserver.gameserver.model.L2Object;
import com.l2jserver.gameserver.model.actor.L2Character;
import com.l2jserver.gameserver.model.actor.L2Summon;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.effects.L2Effect;
import com.l2jserver.gameserver.model.items.instance.L2ItemInstance;
import com.l2jserver.gameserver.model.skills.L2Skill;
import com.l2jserver.gameserver.model.skills.L2SkillType;
import com.l2jserver.gameserver.model.stats.Env;
import com.l2jserver.gameserver.model.stats.Formulas;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.serverpackets.StatusUpdate;
import com.l2jserver.gameserver.network.serverpackets.SystemMessage;

/**
 * Class handling the Mana damage skill
 * @author slyce
 */
public class Manadam implements ISkillHandler
{
	private static final L2SkillType[] SKILL_IDS =
	{
		L2SkillType.MANADAM
	};
	
	@Override
	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);
			}
		}
		for (L2Character target: (L2Character[]) targets)
		{
			if (Formulas.calcSkillReflect(target, skill) == Formulas.SKILL_REFLECT_SUCCEED)
				target = activeChar;
			
			boolean acted = Formulas.calcMagicAffected(activeChar, target, skill);
			if (target.isInvul() || !acted)
			{
				activeChar.sendPacket(SystemMessageId.MISSED_TARGET);
			}
			else
			{
				if (skill.hasEffects())
				{
					byte shld = Formulas.calcShldUse(activeChar, target, skill);
					target.stopSkillEffects(skill.getId());
					if (Formulas.calcSkillSuccess(activeChar, target, skill, shld, false, ss, bss))
						skill.getEffects(activeChar, target, new Env(shld, ss, false, bss));
					else
					{
						SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.C1_RESISTED_YOUR_S2);
						sm.addCharName(target);
						sm.addSkillName(skill);
						activeChar.sendPacket(sm);
					}
				}
				
				double damage = skill.isStaticDamage() ? skill.getPower() : Formulas.calcManaDam(activeChar, target, skill, ss, bss);
				
				if (!skill.isStaticDamage() && Formulas.calcMCrit(activeChar.getMCriticalHit(target, skill)))
				{
					damage *= 3.;
					activeChar.sendPacket(SystemMessageId.CRITICAL_HIT_MAGIC);
				}
				
				double mp = (damage > target.getCurrentMp() ? target.getCurrentMp() : damage);
				target.reduceCurrentMp(mp);
				if (damage > 0)
					target.stopEffectsOnDamage(true);
				
				if (target instanceof L2PcInstance)
				{
					StatusUpdate sump = new StatusUpdate(target);
					sump.addAttribute(StatusUpdate.CUR_MP, (int) target.getCurrentMp());
					// [L2J_JP EDIT START - TSL]
					target.sendPacket(sump);
					
					SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.S2_MP_HAS_BEEN_DRAINED_BY_C1);
					sm.addCharName(activeChar);
					sm.addNumber((int) mp);
					target.sendPacket(sm);
				}
				
				if (activeChar instanceof L2PcInstance)
				{
					SystemMessage sm2 = SystemMessage.getSystemMessage(SystemMessageId.YOUR_OPPONENTS_MP_WAS_REDUCED_BY_S1);
					sm2.addNumber((int) mp);
					activeChar.sendPacket(sm2);
				}
				// [L2J_JP EDIT END - TSL]
			}
		}
		
		if (skill.hasSelfEffects())
		{
			L2Effect effect = activeChar.getFirstEffect(skill.getId());
			if (effect != null && effect.isSelfEffect())
			{
				//Replace old effect with new one.
				effect.exit();
			}
			// cast self effect if any
			skill.getEffectsSelf(activeChar);
		}
	}
	
	@Override
	public L2SkillType[] getSkillIds()
	{
		return SKILL_IDS;
	}
}
