/*
 * RaceSubTypeToken.java
 * Copyright 2005 (C) Aaron Divinsky <boomer70@yahoo.com>
 *
 * 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 on November 2, 2005
 *
 * Current Ver: $Revision$
 *
 */
package plugin.exporttokens;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

import pcgen.cdom.base.Constants;
import pcgen.cdom.enumeration.RaceSubType;
import pcgen.core.display.CharacterDisplay;
import pcgen.io.ExportHandler;
import pcgen.io.exporttoken.AbstractExportToken;

//RACESUBTYPE.x
public class RaceSubTypeToken extends AbstractExportToken
{
	/**
	 * @see pcgen.io.exporttoken.Token#getTokenName()
	 */
	@Override
	public String getTokenName()
	{
		return "RACESUBTYPE";
	}

	/**
	 * @see pcgen.io.exporttoken.Token#getToken(java.lang.String, pcgen.core.PlayerCharacter, pcgen.io.ExportHandler)
	 */
	@Override
	public String getToken(String tokenSource, CharacterDisplay display,
		ExportHandler eh)
	{
		StringTokenizer aTok = new StringTokenizer(tokenSource, ".");
		aTok.nextToken();

		int i = 0;
		if (aTok.hasMoreTokens())
		{
			try
			{
				i = Integer.parseInt(aTok.nextToken());
			}
			catch (NumberFormatException notUsed)
			{
				// This is an error. We will return the first item
			}
		}

		RaceSubType rst = getRaceSubTypeToken(display, i);
		return rst == null ? Constants.EMPTY_STRING : rst.toString();
	}

	private static RaceSubType getRaceSubTypeToken(CharacterDisplay display, int index)
	{
		//CONSIDER Why is this necessary to protect the index?  Calling code should be more careful
		List<RaceSubType> subTypes = new ArrayList<>(display.getRacialSubTypes());
		if (index >= 0 && index < subTypes.size())
		{
			return subTypes.get(index);
		}
		return null;
	}
}