/*
 * Copyright (c) 2014 Tom Parker <thpr@users.sourceforge.net>
 * 
 * This program 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 program 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
package pcgen.cdom.facet;

import java.util.Collection;

import pcgen.cdom.base.CDOMList;
import pcgen.cdom.enumeration.CharID;
import pcgen.cdom.facet.event.DataFacetChangeEvent;
import pcgen.cdom.facet.event.DataFacetChangeListener;
import pcgen.cdom.helper.AvailableSpell;
import pcgen.core.spell.Spell;

public class SpellListToAvailableSpellFacet implements
		DataFacetChangeListener<CharID, CDOMList<Spell>>
{
	private MasterAvailableSpellFacet masterAvailableSpellFacet;
	private SpellListFacet spellListFacet;
	private ConditionallyAvailableSpellFacet conditionallyAvailableSpellFacet;
	private AvailableSpellFacet availableSpellFacet;

	private void add(CharID id, AvailableSpell as, Object source)
	{
		if (as.hasPrerequisites())
		{
			conditionallyAvailableSpellFacet.add(id, as, source);
		}
		else
		{
			availableSpellFacet.add(id, as.getSpelllist(), as.getLevel(),
				as.getSpell(), source);
		}
	}

	private void remove(CharID id, AvailableSpell as, Object source)
	{
		if (as.hasPrerequisites())
		{
			conditionallyAvailableSpellFacet.remove(id, as, source);
		}
		else
		{
			availableSpellFacet.remove(id, as.getSpelllist(), as.getLevel(),
				as.getSpell(), source);
		}
	}

	@Override
	public void dataAdded(DataFacetChangeEvent<CharID, CDOMList<Spell>> dfce)
	{
		CharID id = dfce.getCharID();
		CDOMList<Spell> list = dfce.getCDOMObject();
		Collection<AvailableSpell> spells =
				masterAvailableSpellFacet.getSet(id.getDatasetID());
		for (AvailableSpell as : spells)
		{
			if (as.getSpelllist().equals(list))
			{
				add(id, as, this);
			}
		}
	}

	@Override
	public void dataRemoved(DataFacetChangeEvent<CharID, CDOMList<Spell>> dfce)
	{
		CharID id = dfce.getCharID();
		CDOMList<Spell> list = dfce.getCDOMObject();
		Collection<AvailableSpell> spells =
				masterAvailableSpellFacet.getSet(id.getDatasetID());
		for (AvailableSpell as : spells)
		{
			if (as.getSpelllist().equals(list))
			{
				remove(id, as, this);
			}
		}
	}

	public void init()
	{
		spellListFacet.addDataFacetChangeListener(this);
	}

	public void setSpellListFacet(
		SpellListFacet spellListFacet)
	{
		this.spellListFacet = spellListFacet;
	}

	public void setMasterAvailableSpellFacet(
		MasterAvailableSpellFacet masterAvailableSpellFacet)
	{
		this.masterAvailableSpellFacet = masterAvailableSpellFacet;
	}

	public void setConditionallyAvailableSpellFacet(
		ConditionallyAvailableSpellFacet conditionallyAvailableSpellFacet)
	{
		this.conditionallyAvailableSpellFacet = conditionallyAvailableSpellFacet;
	}

	public void setAvailableSpellFacet(AvailableSpellFacet availableSpellFacet)
	{
		this.availableSpellFacet = availableSpellFacet;
	}
}