/*
 * 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 com.l2jserver.gameserver.handler;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

import com.l2jserver.gameserver.model.effects.L2Effect;
import com.l2jserver.gameserver.scripting.L2ScriptEngineManager;

/**
 * @author BiggBoss, UnAfraid
 */
public final class EffectHandler implements IHandler<Class<? extends L2Effect>, String>
{
	private final Map<String, Class<? extends L2Effect>> _handlers;
	
	protected EffectHandler()
	{
		_handlers = new HashMap<>();
	}
	
	@Override
	public void registerHandler(Class<? extends L2Effect> handler)
	{
		_handlers.put(handler.getSimpleName(), handler);
	}
	
	@Override
	public synchronized void removeHandler(Class<? extends L2Effect> handler)
	{
		_handlers.remove(handler.getSimpleName());
	}
	
	@Override
	public final Class<? extends L2Effect> getHandler(String name)
	{
		return _handlers.get(name);
	}
	
	@Override
	public int size()
	{
		return _handlers.size();
	}
	
	public void executeScript()
	{
		try
		{
			File file = new File(L2ScriptEngineManager.SCRIPT_FOLDER, "handlers/EffectMasterHandler.java");
			L2ScriptEngineManager.getInstance().executeScript(file);
		}
		catch (Exception e)
		{
			throw new Error("Problems while running EffectMansterHandler", e);
		}
	}
	
	private static final class SingletonHolder
	{
		protected static final EffectHandler _instance = new EffectHandler();
	}
	
	public static EffectHandler getInstance()
	{
		return SingletonHolder._instance;
	}
}