/*
 * Copyright 2008 (C) Thomas Parker <thpr@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
 */
package plugin.lsttokens.campaign;

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

import pcgen.base.lang.StringUtil;
import pcgen.cdom.base.Constants;
import pcgen.cdom.enumeration.ListKey;
import pcgen.core.Campaign;
import pcgen.rules.context.Changes;
import pcgen.rules.context.LoadContext;
import pcgen.rules.persistence.token.AbstractTokenWithSeparator;
import pcgen.rules.persistence.token.CDOMPrimaryToken;
import pcgen.rules.persistence.token.ParseResult;

/**
 * Class deals with HIDETYPE Token
 */
public class HidetypeToken extends AbstractTokenWithSeparator<Campaign>
		implements CDOMPrimaryToken<Campaign>
{

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

	@Override
	protected char separator()
	{
		return '|';
	}

	@Override
	protected ParseResult parseTokenWithSeparator(LoadContext context,
		Campaign campaign, String value)
	{
		ListKey<String> lk = null;
		String types = null;
		if (value.startsWith("EQUIP|"))
		{
			lk = ListKey.HIDDEN_Equipment;
			types = value.substring(6);
		}
		else if (value.startsWith("FEAT|"))
		{
			lk = ListKey.HIDDEN_Ability;
			types = value.substring(5);
		}
		else if (value.startsWith("SKILL|"))
		{
			lk = ListKey.HIDDEN_Skill;
			types = value.substring(6);
		}
		if (lk == null)
		{
			return new ParseResult.Fail(getTokenName()
					+ " did not understand: " + value + " in "
					+ campaign.getKeyName(), context);
		}
		StringTokenizer st = new StringTokenizer(types, Constants.PIPE);
		while (st.hasMoreTokens())
		{
			context.getObjectContext().addToList(campaign, lk, st.nextToken());
		}
		return ParseResult.SUCCESS;
	}

    @Override
	public String[] unparse(LoadContext context, Campaign campaign)
	{
		List<String> returnList = new ArrayList<>();
		Changes<String> ech = context.getObjectContext().getListChanges(campaign,
				ListKey.HIDDEN_Equipment);
		Changes<String> ach = context.getObjectContext().getListChanges(campaign,
				ListKey.HIDDEN_Ability);
		Changes<String> sch = context.getObjectContext().getListChanges(campaign,
				ListKey.HIDDEN_Skill);

		Collection<String> added = ech.getAdded();
		if (added != null)
		{
			returnList.add("EQUIP|" + StringUtil.join(added, Constants.PIPE));
		}
		added = ach.getAdded();
		if (added != null)
		{
			returnList.add("FEAT|" + StringUtil.join(added, Constants.PIPE));
		}
		added = sch.getAdded();
		if (added != null)
		{
			returnList.add("SKILL|" + StringUtil.join(added, Constants.PIPE));
		}
		if (returnList.isEmpty())
		{
			// Empty is okay - no token
			return null;
		}
		return returnList.toArray(new String[returnList.size()]);
	}

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