/*
 * Copyright (c) 2008 Tom Parker <thpr@users.sourceforge.net>
 * 
 * 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 plugin.lsttokens.pcclass;

import pcgen.cdom.enumeration.ObjectKey;
import pcgen.core.PCClass;
import pcgen.core.prereq.Prerequisite;
import pcgen.core.prereq.PrerequisiteOperator;
import pcgen.rules.context.LoadContext;
import pcgen.rules.persistence.token.AbstractNonEmptyToken;
import pcgen.rules.persistence.token.CDOMPrimaryToken;
import pcgen.rules.persistence.token.DeferredToken;
import pcgen.rules.persistence.token.ParseResult;
import pcgen.util.Logging;

/**
 * Class deals with PRERACETYPE Token
 */
public class PreracetypeToken extends AbstractNonEmptyToken<PCClass> implements
		CDOMPrimaryToken<PCClass>, DeferredToken<PCClass>
{

	@Override
	public String getTokenName()
	{
		return "PRERACETYPE";
	}

	@Override
	protected ParseResult parseNonEmptyToken(LoadContext context, PCClass pcc,
		String value)
	{
		Prerequisite p = new Prerequisite();
		p.setKind("RACETYPE");
		p.setOperand("1");
		p.setKey(value);
		p.setOperator(PrerequisiteOperator.GTEQ);
		context.getObjectContext().put(pcc, ObjectKey.PRERACETYPE, p);
		return ParseResult.SUCCESS;
	}

	@Override
	public String[] unparse(LoadContext context, PCClass obj)
	{
		Prerequisite prereq = context.getObjectContext().getObject(obj, ObjectKey.PRERACETYPE);
		if (prereq == null)
		{
			return null;
		}
		return new String[] { prereq.getKey() };
	}

	@Override
	public Class<PCClass> getTokenClass()
	{
		return PCClass.class;
	}

	@Override
	public boolean process(LoadContext context, PCClass obj)
	{
		Prerequisite prereq = obj.get(ObjectKey.PRERACETYPE);
		if (prereq != null)
		{
			if (!obj.isMonster())
			{
				Logging.errorPrint("PCClass " + obj.getKeyName()
						+ " is not a Monster, but used PRERACETYPE");
				return false;
			}
			obj.addPrerequisite(prereq);
		}
		return true;
	}

	@Override
	public Class<PCClass> getDeferredTokenClass()
	{
		return getTokenClass();
	}

}