/***************************************************************************
 *   Copyright (C) 2012 Stefan Bühler <stbuehler@web.de>                   *
 *                                                                         *
 *   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 LIBQNONO_NONOGRAMPROBLEM_H
#define LIBQNONO_NONOGRAMPROBLEM_H

#include "nonogramimage.h"
#include "nonogramnumbers.h"

namespace libqnono {
	class NonogramMarker;
	
	class NonogramProblem {
	public:
		NonogramProblem();
		NonogramProblem(const NonogramImage & solution);
		NonogramProblem(QString name, quint16 timeout, const NonogramImage & solution);
		
		QString name() const { return m_name; }
		quint16 timeout() const { return m_timeout; }
		const NonogramImage & solution() const { return m_solution; }
		const NonogramNumbers & numbers() const { return m_numbers; }
		
		QSize size() const { return m_solution.size(); }
		int width() const { return size().width(); }
		int height() const { return size().height(); }
		
		bool hasUniqueSolution() const;
		
		/* edit problem: */
		void setName(QString value) { m_name = value; }
		void setTimeout(quint16 value) { m_timeout = value; }
		void setPixel(int x, int y, bool value);
		
		void fill(bool value);
		void loadFromImage(const NonogramImage & solution);
		
		bool readFromStream(QDataStream & stream);
		void writeToStream(QDataStream & stream) const;
		
	private:
		NonogramImage m_solution;
		NonogramNumbers m_numbers;
		
		QString m_name;
		quint16 m_timeout;
	};
	
	QDataStream & operator<<(QDataStream & stream, const NonogramProblem & problem);
	QDataStream & operator>>(QDataStream & stream, NonogramProblem & problem);
}

#endif // LIBQNONO_NONOGRAMPROBLEM_H