/*
 * 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/>.
 */

/**
 * @author FBIagent
 */
package silentium.gameserver.data.xml;

import gnu.trove.map.hash.TIntObjectHashMap;

import java.io.File;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import silentium.gameserver.configs.MainConfig;
import silentium.gameserver.data.xml.parsers.XMLDocumentFactory;
import silentium.gameserver.model.L2SummonItem;

public class SummonItemsData
{
	protected static final Logger _log = LoggerFactory.getLogger(SummonItemsData.class.getName());
	private final TIntObjectHashMap<L2SummonItem> _summonitems;

	public static SummonItemsData getInstance()
	{
		return SingletonHolder._instance;
	}

	protected SummonItemsData()
	{
		_summonitems = new TIntObjectHashMap<>();

		try
		{
			File f = new File(MainConfig.DATAPACK_ROOT + "/data/xml/summon_items.xml");
			Document doc = XMLDocumentFactory.getInstance().loadDocument(f);

			Node n = doc.getFirstChild();
			NamedNodeMap node;

			int itemID;
			L2SummonItem summonitem;

			for (Node d = n.getFirstChild(); d != null; d = d.getNextSibling())
			{
				if (d.getNodeName().equalsIgnoreCase("summon_item"))
				{
					node = d.getAttributes();

					itemID = Integer.valueOf(node.getNamedItem("itemID").getNodeValue());

					summonitem = new L2SummonItem(itemID, Integer.valueOf(node.getNamedItem("npcID").getNodeValue()), Byte.valueOf(node.getNamedItem("summonType").getNodeValue()));
					_summonitems.put(itemID, summonitem);
				}
			}
		}
		catch (Exception e)
		{
			_log.warn("SummonItemsData: Error while creating SummonItemsData table: " + e);
		}
		_log.info("SummonItemsData: Loaded " + _summonitems.size() + " templates.");
	}

	public L2SummonItem getSummonItem(int itemId)
	{
		return _summonitems.get(itemId);
	}

	public int[] itemIDs()
	{
		int size = _summonitems.size();
		int[] result = new int[size];
		int i = 0;

		for (Object si : _summonitems.values())
			result[i++] = ((L2SummonItem) si).getItemId();

		return result;
	}

	private static class SingletonHolder
	{
		protected static final SummonItemsData _instance = new SummonItemsData();
	}
}