/*
 * LanguagesToken.java
 * Copyright 2003 (C) Devon Jones <soulcatcher@evilsoft.org>
 *
 * 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 December 15, 2003, 12:21 PM
 *
 * Current Ver: $Revision$
 *
 */
package plugin.exporttokens.deprecated;

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

import pcgen.base.lang.StringUtil;
import pcgen.core.Language;
import pcgen.core.display.CharacterDisplay;
import pcgen.io.ExportHandler;
import pcgen.io.exporttoken.AbstractExportToken;

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

	/**
	 * @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 languageIndex = 0;
		int startIndex = 0;

		List<Language> languageList =
				new ArrayList<>(display.getSortedLanguageSet());

		if (aTok.hasMoreTokens())
		{
			try
			{
				startIndex = Integer.parseInt(aTok.nextToken());
				languageIndex = startIndex + 1;
				/*
				 * PERFORMANCE This can actually shortcut the subList below, as
				 * it really is only grabbling one language
				 */
			}
			catch (NumberFormatException e)
			{
				//TODO: Should this really be ignored?
			}
		}
		else
		{
			languageIndex = languageList.size();
		}

		if (languageList.isEmpty())
		{
			return "";
		}

		List<Language> subList =
				languageList.subList(Math.max(startIndex, 0), Math.min(
					languageIndex, languageList.size()));

		return StringUtil.join(subList, ", ");
	}
}