/*
 * Copyright (c) Thomas Parker, 2009.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 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 Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
package pcgen.cdom.facet.analysis;

import pcgen.base.formula.Formula;
import pcgen.cdom.base.FormulaFactory;
import pcgen.cdom.enumeration.CharID;
import pcgen.cdom.facet.FormulaResolvingFacet;
import pcgen.cdom.facet.XPTableFacet;
import pcgen.core.LevelInfo;

/**
 * LevelTableFacet stores the Experience Point table used to identify how many
 * experience points are required at a certain character level.
 * 
 * @author Thomas Parker (thpr [at] yahoo.com)
 */
public class LevelTableFacet
{
	private XPTableFacet xpTableFacet;
	
	private FormulaResolvingFacet resolveFacet;

	/**
	 * Returns the (minimum) number of total Experience Points needed for a
	 * given level
	 * 
	 * @param level
	 *            The character level for which to calculate the minimum
	 *            required experience to reach that character level
	 * @param id
	 *            The CharID representing the Player Character for which to
	 *            calculate the minimum experience for a given level
	 * 
	 * @return The experience points needed for the given level
	 */
	public int minXPForLevel(int level, CharID id)
	{
		LevelInfo info = xpTableFacet.getLevelInfo(id, level);
		if (info != null)
		{
			Formula f = FormulaFactory.getFormulaFor(info
					.getMinXPVariable(level));
			return resolveFacet.resolve(id, f, "").intValue();
		}

		/*
		 * TODO Should this be a warning/error?
		 */
		return 0;
	}

	/**
	 * @param resolveFacet
	 *            the resolveFacet to set
	 */
	public void setResolveFacet(FormulaResolvingFacet resolveFacet)
	{
		this.resolveFacet = resolveFacet;
	}

	public void setXpTableFacet(XPTableFacet xpTableFacet)
	{
	this.xpTableFacet = xpTableFacet;
	}
}