/*
 * 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 org.l2jmobius.gameserver.handler;

import java.util.HashMap;
import java.util.Map;

import org.l2jmobius.gameserver.mechanics.effects.AbstractEffect;
import org.l2jmobius.gameserver.scripting.ScriptEngine;

/**
 * @author BiggBoss
 */
public class EffectHandler implements IHandler<Class<? extends AbstractEffect>, String>
{
	private final Map<String, Class<? extends AbstractEffect>> _handlers;
	
	protected EffectHandler()
	{
		_handlers = new HashMap<>();
	}
	
	@Override
	public void registerHandler(Class<? extends AbstractEffect> handler)
	{
		_handlers.put(handler.getSimpleName(), handler);
	}
	
	@Override
	public synchronized void removeHandler(Class<? extends AbstractEffect> handler)
	{
		_handlers.remove(handler.getSimpleName());
	}
	
	@Override
	public Class<? extends AbstractEffect> getHandler(String name)
	{
		return _handlers.get(name);
	}
	
	@Override
	public int size()
	{
		return _handlers.size();
	}
	
	public void executeScript()
	{
		try
		{
			ScriptEngine.getInstance().executeScript(ScriptEngine.EFFECT_MASTER_HANDLER_FILE);
		}
		catch (Exception e)
		{
			throw new Error("Problems while running EffectMasterHandler", e);
		}
	}
	
	private static class SingletonHolder
	{
		protected static final EffectHandler INSTANCE = new EffectHandler();
	}
	
	public static EffectHandler getInstance()
	{
		return SingletonHolder.INSTANCE;
	}
}
