/*
 * 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 silentium.gameserver.skills.effects;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import silentium.gameserver.model.ChanceCondition;
import silentium.gameserver.model.L2Effect;
import silentium.gameserver.skills.AbnormalEffect;
import silentium.gameserver.skills.Env;
import silentium.gameserver.skills.basefuncs.FuncTemplate;
import silentium.gameserver.skills.basefuncs.Lambda;
import silentium.gameserver.skills.conditions.Condition;
import silentium.gameserver.templates.skills.L2SkillType;

/**
 * @author mkizub
 */
public final class EffectTemplate
{
	static Logger _log = LoggerFactory.getLogger(EffectTemplate.class.getName());

	private final Class<?> _func;
	private final Constructor<?> _constructor;

	public final Condition attachCond;
	public final Condition applayCond;
	public final Lambda lambda;
	public final int counter;
	public final int period; // in seconds
	public final AbnormalEffect abnormalEffect;
	public FuncTemplate[] funcTemplates;
	public final String stackType;
	public final float stackOrder;
	public final boolean icon;
	public final double effectPower; // to handle chance
	public final L2SkillType effectType; // to handle resistances etc...

	public final int triggeredId;
	public final int triggeredLevel;
	public final ChanceCondition chanceCondition;

	public EffectTemplate(Condition pAttachCond, Condition pApplayCond, String func, Lambda pLambda, int pCounter, int pPeriod, AbnormalEffect pAbnormalEffect, String pStackType, float pStackOrder, boolean showicon, double ePower, L2SkillType eType, int trigId, int trigLvl, ChanceCondition chanceCond)
	{
		attachCond = pAttachCond;
		applayCond = pApplayCond;
		lambda = pLambda;
		counter = pCounter;
		period = pPeriod;
		abnormalEffect = pAbnormalEffect;
		stackType = pStackType;
		stackOrder = pStackOrder;
		icon = showicon;
		effectPower = ePower;
		effectType = eType;

		triggeredId = trigId;
		triggeredLevel = trigLvl;
		chanceCondition = chanceCond;

		try
		{
			_func = Class.forName("silentium.gameserver.skills.effects.Effect" + func);
		}
		catch (ClassNotFoundException e)
		{
			throw new RuntimeException(e);
		}

		try
		{
			_constructor = _func.getConstructor(Env.class, EffectTemplate.class);
		}
		catch (NoSuchMethodException e)
		{
			throw new RuntimeException(e);
		}
	}

	public L2Effect getEffect(Env env)
	{
		if (attachCond != null && !attachCond.test(env))
			return null;
		try
		{
			L2Effect effect = (L2Effect) _constructor.newInstance(env, this);
			return effect;
		}
		catch (IllegalAccessException e)
		{
			_log.warn("", e);
			return null;
		}
		catch (InstantiationException e)
		{
			_log.warn("", e);
			return null;
		}
		catch (InvocationTargetException e)
		{
			_log.warn("Error creating new instance of Class " + _func + " Exception was: " + e.getTargetException().getMessage(), e.getTargetException());
			return null;
		}
	}

	public void attach(FuncTemplate f)
	{
		if (funcTemplates == null)
			funcTemplates = new FuncTemplate[] { f };
		else
		{
			int len = funcTemplates.length;
			FuncTemplate[] tmp = new FuncTemplate[len + 1];
			System.arraycopy(funcTemplates, 0, tmp, 0, len);
			tmp[len] = f;
			funcTemplates = tmp;
		}
	}
}