/* 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 2, 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package com.l2dot.gameserver.model;

import java.util.Map;

import com.l2dot.gameserver.model.actor.instance.L2ControllableMobInstance;

import javolution.util.FastMap;

/**
 * @author littlecrow
 *
 */
public class MobGroupTable
{
	private static MobGroupTable _instance;
	private Map<Integer, MobGroup> _groupMap;

    public static final int FOLLOW_RANGE = 300;
    public static final int RANDOM_RANGE = 300;

	public MobGroupTable()
    {
		_groupMap = new FastMap<Integer, MobGroup>();
	}

	public static MobGroupTable getInstance()
    {
        if (_instance == null)
            _instance = new MobGroupTable();

		return _instance;
	}

	public void addGroup(int groupKey, MobGroup group)
    {
		_groupMap.put(groupKey, group);
	}

	public MobGroup getGroup(int groupKey)
    {
		return _groupMap.get(groupKey);
	}

    public int getGroupCount()
    {
        return _groupMap.size();
    }

    public MobGroup getGroupForMob(L2ControllableMobInstance mobInst)
    {
        for (MobGroup mobGroup : _groupMap.values())
            if (mobGroup.isGroupMember(mobInst))
                return mobGroup;

        return null;
    }

    public MobGroup[] getGroups()
    {
        return _groupMap.values().toArray(new MobGroup[getGroupCount()]);
    }

    public boolean removeGroup(int groupKey)
    {
        return (_groupMap.remove(groupKey) != null);
    }
}