/*
 * Copyright 2012 (C) James Dempsey
 *
 * 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
 */
package plugin.qualifier.shieldprof;

import java.util.ArrayList;
import java.util.Collection;

import pcgen.cdom.helper.ProfProvider;
import pcgen.core.PlayerCharacter;
import pcgen.core.ShieldProf;
import pcgen.rules.persistence.token.AbstractPCQualifierToken;

/**
 * The Class {@code PCToken} provides limiting a chooser selection
 * by those shield proficiencies held by the character.
 * e.g. CHOOSE:SHIELDPROFICIENCY|PC 
 *
 * <br>
 * 
 * @author James Dempsey <jdempsey@users.sourceforge.net>
 */
public class PCToken extends AbstractPCQualifierToken<ShieldProf>
{

	@Override
	protected Collection<ShieldProf> getPossessed(PlayerCharacter pc)
	{
		// Not used as we have overridden allow below, so return an empty set
		return new ArrayList<>();
	}

	@Override
	public Class<? super ShieldProf> getReferenceClass()
	{
		return ShieldProf.class;
	}

	@Override
	public boolean allow(PlayerCharacter pc, ShieldProf po)
	{
		Collection<ProfProvider<ShieldProf>> providers = pc.getShieldProfList();
		for (ProfProvider<ShieldProf> profProvider : providers)
		{
			if (profProvider.providesProficiency(po))
			{
				return true;
			}
		}
		
		return false;
	}

}