/*
 * 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.datatables;

import java.io.File;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.xml.parsers.DocumentBuilderFactory;

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

import com.l2jserver.Config;
import com.l2jserver.gameserver.GameTimeController;
import com.l2jserver.gameserver.model.actor.L2Character;

/**
 * 
 * @author Nik
 *
 */
public class HitConditionBonus
{
	protected static final Logger _log = Logger.getLogger(HitConditionBonus.class.getName());
	
	private static int frontBonus = 0;
	private static int sideBonus = 0;
	private static int backBonus = 0;
	private static int highBonus = 0;
	private static int lowBonus = 0;
	private static int darkBonus = 0;
	//private static int rainBonus = 0;
	
	public static double getConditionBonus(L2Character attacker, L2Character target)
	{
		double mod = 100;
		// Get high or low bonus
		if (attacker.getZ() - target.getZ() > 50)
			mod += HitConditionBonus.highBonus;
		else if (attacker.getZ() - target.getZ() < -50)
			mod += HitConditionBonus.lowBonus;
		
		// Get weather bonus
		if (GameTimeController.getInstance().isNowNight())
			mod += HitConditionBonus.darkBonus;
		//else if () No rain support yet.
			//chance += hitConditionBonus.rainBonus;
		
		// Get side bonus
		if(attacker.isBehindTarget())
			mod += HitConditionBonus.backBonus;
		else if(attacker.isInFrontOfTarget())
			mod += HitConditionBonus.frontBonus;
		else
			mod += HitConditionBonus.sideBonus;
		
		// If (mod / 10) is less than 0, return 0, because we cant lower more than 100%.
		return Math.max(mod / 100, 0); 
	}
	
	static
	{
		final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		factory.setIgnoringElementContentWhitespace(true);
		factory.setIgnoringComments(true);
		final File file = new File(Config.DATAPACK_ROOT, "data/stats/hitConditionBonus.xml");
		Document doc = null;
		
		if (file.exists())
		{
			try
			{
				doc = factory.newDocumentBuilder().parse(file);
			}
			catch (Exception e)
			{
				_log.log(Level.WARNING, "[hitConditionBonus] Could not parse file: " + e.getMessage(), e);
			}
			
			String name;
			for (Node list = doc.getFirstChild(); list != null; list = list.getNextSibling())
			{
				if ("hitConditionBonus".equalsIgnoreCase(list.getNodeName()) || "list".equalsIgnoreCase(list.getNodeName()))
				{
					for (Node cond = list.getFirstChild(); cond != null; cond = cond.getNextSibling())
					{
						int bonus = 0;
						name = cond.getNodeName();
						try
						{
							if (cond.hasAttributes())
								bonus = Integer.parseInt(cond.getAttributes().getNamedItem("val").getNodeValue());							
						}
						catch (Exception e)
						{
							_log.log(Level.WARNING, "[hitConditionBonus] Could not parse condition: " + e.getMessage(), e);
						}
						finally
						{
							if ("front".equals(name))
								frontBonus = bonus;
							else if ("side".equals(name))
								sideBonus = bonus;
							else if ("back".equals(name))
								backBonus = bonus;
							else if ("high".equals(name))
								highBonus = bonus;
							else if ("low".equals(name))
								lowBonus = bonus;
							else if ("dark".equals(name))
								darkBonus = bonus;
							//else if ("rain".equals(name))
								//rainBonus = bonus;
						}
						
					}
				}
			}
		}
		else
		{
			throw new Error("[hitConditionBonus] File not found: "+file.getName());
		}
	}
}