/**
 * pcgen.core.term.PCCountSpellTimesTermEvaluator.java
 * Copyright (c) 2008 Andrew Wilson <nuance@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
 *
 * Created 07-Aug-2008 23:22:14
 *
 * Current Ver: $Revision:$
 *
 */

package pcgen.core.term;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import pcgen.core.Globals;
import pcgen.core.PObject;
import pcgen.core.PlayerCharacter;
import pcgen.core.character.CharacterSpell;
import pcgen.core.character.SpellInfo;

public class PCCountSpellTimesTermEvaluator
		extends BasePCTermEvaluator implements TermEvaluator
{
	final int classNum;
	final int bookNum;
	final int spellLevel;
	final int spellNumber;

	public PCCountSpellTimesTermEvaluator(
			String originalText, int[] fields)
	{
		this.originalText = originalText;

		classNum    = fields[0];
		bookNum     = fields[1];
		spellLevel  = (classNum == -1) ? -1 : fields[2];
		spellNumber = fields[3];
	}

	@Override
	public Float resolve(PlayerCharacter pc)
	{
		String bookName = (classNum == -1) ? Globals.getDefaultSpellBook() :
						  (bookNum > 0)    ? pc.getDisplay().getSpellBookNames().get(bookNum) :
						  					 Globals.getDefaultSpellBook();

		if (!"".equals(bookName))
		{
			List<CharacterSpell> csList =
                    new ArrayList<>();

			if (classNum == -1)
			{
				csList = new ArrayList<>();

				for (PObject cl : pc.getDisplay().getClassSet())
				{
					for (CharacterSpell cs : pc
							.getCharacterSpells(cl, bookName))
					{
						if (!csList.contains(cs))
						{
							csList.add(cs);
						}
					}
				}

				Collections.sort(csList);
			}
			else 
			{
				final PObject pcClass = pc.getSpellClassAtIndex(classNum);
				if (pcClass != null)
				{
					csList = pc.getCharacterSpells(
							pcClass, null, bookName, spellLevel);
				}
			}

			boolean found = false;
			SpellInfo si  = null;

			if (spellNumber < csList.size())
			{
				final CharacterSpell cs = csList.get(spellNumber);
				si = cs.getSpellInfoFor(bookName, spellLevel);
				found = true;
			}

			if (found && (si != null))
			{
				return (float) si.getTimes();
			}
		}

		return 0.0f;
	}

	@Override
	public boolean isSourceDependant()
	{
		return false;
	}

	public boolean isStatic()
	{
		return false;
	}
}