// -*-c++-*-
//------------------------------------------------------------------------------
// xword - (http://xword.sourceforge.net)
// Copyright 2002 Patrick Crosby <pcrosby@pobox.com>
//------------------------------------------------------------------------------
// Puzzle.h
//
// $Id: Puzzle.h,v 1.8 2002/01/23 19:43:03 pcrosby Exp $
//------------------------------------------------------------------------------
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 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 General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the Free Software Foundation, Inc., 59 Temple
// Place, Suite 330, Boston, MA  02111-1307  USA
//------------------------------------------------------------------------------

#ifndef __Puzzle__
#define __Puzzle__

#include <map>
#include <stdio.h>
#include <string>
#include <vector>

#include "Clue.h"
#include "Square.h"

#include "Namespace.h"

NAMESPACE_OPEN

//------------------------------------------------------------------------------

class Puzzle
{
	// Constants
	// Types
	private:
		typedef std::vector<std::string> StringVec;
		// typedef std::map<int, std::string> ClueMap;
		typedef std::map<int, Clue> ClueMap;

	public:
		typedef std::vector<Square> SquareVec;
		typedef std::vector<SquareVec> SquareGrid;
		
	// Variables
	private:
		std::string m_strFilename;
		int m_nSizeX, m_nSizeY;

		// char* m_pAnswerGrid[];
		StringVec m_vecAnswers;
		StringVec m_vecGrid;
		StringVec m_vecClueStrings;

		std::string m_strTitle;
		std::string m_strAuthor;
		std::string m_strCopyright;

		ClueMap m_mapCluesAcross;
		ClueMap m_mapCluesDown;

		SquareGrid m_SquareGrid;

		StringVec m_vecLetters;

		int m_nMaxClueNum;
		
	// Methods
	public:
		Puzzle(const std::string& strFilename);
		~Puzzle();

		const SquareGrid& GetGrid() const { return m_SquareGrid; }
		void GetClue(int nX, int nY, bool bAcross,
					 std::string& strClue, int& nClue) const;

		std::string GetTitle() const { return m_strTitle; }
		std::string GetAuthor() const { return m_strAuthor; }
		std::string GetCopyright() const { return m_strCopyright; }

		void SetLetter(int nRow, int nCol, char c);
		char GetLetter(int nRow, int nCol) const;
		std::string GetLetterRow(int nRow) const;
		bool IsEmpty(int nRow, int nCol) const;
		bool IsSolid(int nRow, int nCol) const;
		bool IsFull(int nRow, int nCol, bool bCountLetters) const;

		int GetClueRow(int nClue, bool bAcross) const;
		int GetClueCol(int nClue, bool bAcross) const;

		int GetMaxClueNum() const { return m_nMaxClueNum; }
		
		void Save() const;
		void Load();
		
		void Dump() const;

	private:
		void ParseFile();
		int GetLine(FILE* pFile, std::string& s);

		std::string EncodeFilename(const std::string& strIn) const;
};

//------------------------------------------------------------------------------

NAMESPACE_CLOSE

#endif

//------------------------------------------------------------------------------