/*
 * Copyright © 2004-2021 L2J Server
 * 
 * This file is part of L2J Server.
 * 
 * L2J Server 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.
 * 
 * L2J Server 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.data.xml.impl;

import static com.l2jserver.gameserver.config.Configuration.character;

import java.util.Arrays;

import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import com.l2jserver.gameserver.util.IXmlReader;

/**
 * This class holds the Player Xp Percent Lost Data for each level for players.
 * @author Zealar
 */
public final class PlayerXpPercentLostData implements IXmlReader {
	
	private final double[] _playerXpPercentLost = new double[character().getMaxPlayerLevel() + 1];
	
	protected PlayerXpPercentLostData() {
		Arrays.fill(_playerXpPercentLost, 1.);
		load();
	}
	
	@Override
	public void load() {
		parseDatapackFile("data/stats/chars/playerXpPercentLost.xml");
	}
	
	@Override
	public void parseDocument(Document doc) {
		for (Node n = doc.getFirstChild(); n != null; n = n.getNextSibling()) {
			if ("list".equalsIgnoreCase(n.getNodeName())) {
				for (Node d = n.getFirstChild(); d != null; d = d.getNextSibling()) {
					if ("xpLost".equalsIgnoreCase(d.getNodeName())) {
						NamedNodeMap attrs = d.getAttributes();
						_playerXpPercentLost[parseInteger(attrs, "level")] = parseDouble(attrs, "val");
					}
				}
			}
		}
	}
	
	public double getXpPercent(final int level) {
		if (level > character().getMaxPlayerLevel()) {
			LOG.warn("Require to high level inside PlayerXpPercentLostData ({})", level);
			return _playerXpPercentLost[character().getMaxPlayerLevel()];
		}
		return _playerXpPercentLost[level];
	}
	
	/**
	 * Gets the single instance of PlayerXpPercentLostData.
	 * @return single instance of PlayerXpPercentLostData.
	 */
	public static PlayerXpPercentLostData getInstance() {
		return SingletonHolder._instance;
	}
	
	private static class SingletonHolder {
		protected static final PlayerXpPercentLostData _instance = new PlayerXpPercentLostData();
	}
}
