/**
 * pcgen.core.term.PCMaxCastableTermEvaluator.java
 * Copyright (c) 2008 Andrew Wilson <nuance@users.sourceforge.net>.
 *
 * This library 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 library 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Created 09-Aug-2008 22:55:19
 *
 * Current Ver: $Revision:$
 *
 */

package pcgen.core.term;

import pcgen.cdom.helper.ClassSource;
import pcgen.core.Domain;
import pcgen.core.Globals;
import pcgen.core.PCClass;
import pcgen.core.PlayerCharacter;

public class PCMaxCastableDomainTermEvaluator
		extends BasePCTermEvaluator implements TermEvaluator
{
	private final String domainKey;

	public PCMaxCastableDomainTermEvaluator(String originalText, String domainKey)
	{
		this.domainKey = domainKey;
		this.originalText = originalText;
	}

	@Override
	public Float resolve(PlayerCharacter pc)
	{
		Domain domain = Globals.getContext().getReferenceContext()
				.silentlyGetConstructedCDOMObject(Domain.class, domainKey);

		if (domain == null)
		{
			return 0.0f;
		}

		ClassSource source = pc.getDomainSource(domain);
		if (source == null)
		{
			return 0.0f;
		}
		
		String classKey = source.getPcclass().getKeyName();
		PCClass spClass = pc.getClassKeyed(classKey);
		int cutoff = pc.getSpellSupport(spClass).getHighestLevelSpell();

		Float max = 0.0f;

		if (pc.getSpellSupport(spClass).hasCastList())
		{
			for (int i = 0; i < cutoff; i++)
			{
				if (pc.getSpellSupport(spClass).getCastForLevel(i, pc) != 0)
				{
					max = Math.max(max, i);
				}
			}
		}
		else
		{
			for (int i = 0; i < cutoff; i++)
			{
				if (pc.getSpellSupport(spClass).getKnownForLevel(i, pc) != 0)
				{
					max = Math.max(max, i);
				}
			}
		}
		return max;
	}

	@Override
	public boolean isSourceDependant()
	{
		return true;
	}

	public boolean isStatic()
	{
		return false;
	}
}