/*
 * Copyright 2007 (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.choose;

import java.util.StringTokenizer;

import pcgen.cdom.base.CDOMObject;
import pcgen.cdom.base.Constants;
import pcgen.cdom.enumeration.AssociationListKey;
import pcgen.core.spell.Spell;
import pcgen.rules.context.LoadContext;
import pcgen.rules.persistence.token.AbstractQualifiedChooseToken;
import pcgen.rules.persistence.token.ParseResult;
import pcgen.util.Logging;

/**
 * New chooser plugin, handles Spells.
 */
public class SpellsToken extends AbstractQualifiedChooseToken<Spell>
{
	private static final Class<Spell> SPELL_CLASS = Spell.class;

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

	@Override
	public String getParentToken()
	{
		return "CHOOSE";
	}

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

	@Override
	protected String getDefaultTitle()
	{
		return "Spell choice";
	}

	@Override
	protected AssociationListKey<Spell> getListKey()
	{
		return AssociationListKey.getKeyFor(SPELL_CLASS, "CHOOSE*SPELL");
	}

	@Override
	public Spell decodeChoice(LoadContext context, String s)
	{
		return context.getReferenceContext().silentlyGetConstructedCDOMObject(SPELL_CLASS, s);
	}

	@Override
	public String encodeChoice(Spell choice)
	{
		return choice.getKeyName();
	}

	@Override
	protected ParseResult parseTokenWithSeparator(LoadContext context,
		CDOMObject obj, String value)
	{
		return super.parseTokenWithSeparator(context, context.getReferenceContext()
			.getManufacturer(SPELL_CLASS), obj, processMagicalWords(value));
	}

	private String processMagicalWords(String value)
	{
		StringTokenizer st = new StringTokenizer(value, Constants.PIPE, true);
		StringBuilder sb = new StringBuilder(value.length() + 40);
		while (st.hasMoreTokens())
		{
			String tok = st.nextToken();
			if ("DOMAIN.".regionMatches(true, 0, tok, 0, 7))
			{
				final String profKey = tok.substring(7);
				Logging.errorPrint("CHOOSE:SPELLS|DOMAIN is deprecated, "
					+ "has been changed to DOMAINLIST=");
				sb.append("DOMAINLIST=").append(profKey);
			}
			else if (Constants.LST_CLASS_DOT.regionMatches(true, 0, tok, 0, 6))
			{
				final String profKey = tok.substring(6);
				Logging.errorPrint("CHOOSE:SPELLS|CLASS is deprecated, "
					+ "has been changed to CLASSLIST=");
				sb.append("CLASSLIST=").append(profKey);
			}
			else if ("DOMAIN=".regionMatches(true, 0, tok, 0, 7))
			{
				final String profKey = tok.substring(7);
				Logging.errorPrint("CHOOSE:SPELLS|DOMAIN is deprecated, "
					+ "has been changed to DOMAINLIST=");
				sb.append("DOMAINLIST=").append(profKey);
			}
			else if (Constants.LST_CLASS_EQUAL.regionMatches(true, 0, tok, 0, 6))
			{
				final String profKey = tok.substring(6);
				Logging.errorPrint("CHOOSE:SPELLS|CLASS is deprecated, "
					+ "has been changed to CLASSLIST=");
				sb.append("CLASSLIST=").append(profKey);
			}
			else if (Constants.LST_ANY.regionMatches(true, 0, tok, 0, 3))
			{
				final String remainder = tok.length()>3?tok.substring(3) :"";
				Logging.errorPrint("CHOOSE:SPELLS|ANY is deprecated, "
					+ "has been changed to ALL");
				sb.append("ALL").append(remainder);
			}
			else
			{
				sb.append(tok);
			}
		}
		return sb.toString();
	}

}