/*
 * 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.ai2;

import java.util.Set;

import com.l2jserver.gameserver.datatables.NpcTable;

import javolution.util.FastSet;

/**
 *
 * @author  -Wooden-
 */
public class AiPlugingParameters
{
	//here is order of priority
	private Set<String> _npcClassTypes;
	private Set<Class<?>> _npcL2jClasses;
	private Set<String> _aiTypes;
	private Set<Integer> _npcIDs;
	private boolean _converted;
	private AiPlugingParameters _but;
	
	public AiPlugingParameters(Set<String> npcClassTypes, Set<Class<?>> npcL2jClasses, Set<String> aiTypes, Set<Integer> npcIDs, AiPlugingParameters but)
	{
		_npcClassTypes = npcClassTypes;
		_npcL2jClasses = npcL2jClasses;
		_aiTypes = aiTypes;
		_npcIDs = npcIDs;
		_but = but;
		if (_npcIDs == null)
			_npcIDs = new FastSet<Integer>();
	}
	
	public void convertToIDs()
	{
		if (_but != null && !_but.isEmpty())
			_but.convertToIDs();
		
		if (_npcClassTypes != null)
			for (String classType : _npcClassTypes)
			{
				_npcIDs.addAll(NpcTable.getInstance().getAllNpcOfClassType(classType));
			}
		if (_npcL2jClasses != null)
			for (Class<?> l2jClass : _npcL2jClasses)
			{
				_npcIDs.addAll(NpcTable.getInstance().getAllNpcOfL2jClass(l2jClass));
			}
		
		if (_aiTypes != null)
			for (String aiType : _aiTypes)
			{
				_npcIDs.addAll(NpcTable.getInstance().getAllNpcOfAiType(aiType));
			}
		
		if (_but != null && !_but.isEmpty())
			removeIDs(_but.getIDs());
		
		_converted = true;
	}
	
	public boolean isEmpty()
	{
		return (_npcIDs.isEmpty() && _aiTypes.isEmpty() && _npcL2jClasses.isEmpty() && _npcClassTypes.isEmpty());
	}
	
	/**
	 * If a AiPlugingParameters was converted to IDs its other parameter sets might not be accurate
	 * @return true if AiPlugingParameters where converted to IDs
	 */
	public boolean isConverted()
	{
		return _converted;
	}
	
	public void removeIDs(Set<Integer> ids)
	{
		_npcIDs.removeAll(ids);
	}
	
	public Set<Integer> getIDs()
	{
		return _npcIDs;
	}
	
	/**
	 * @param id
	 * @return
	 */
	public boolean contains(int id)
	{
		if (!_converted)
			throw new IllegalStateException("Can not call 'contain' method on a non-converted AiPluginParameters");
		if (_but == null)
			return _npcIDs.contains(id);
		return _npcIDs.contains(id) && !_but.contains(id);
	}
	
	public boolean equals(AiPlugingParameters pparams)
	{
		if (!_converted)
			throw new IllegalStateException("Can not call 'equals' method on a non-converted AiPluginParameters");
		return (_npcIDs.containsAll(pparams.getIDs()) && pparams.getIDs().containsAll(_npcIDs));
	}
}