// 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. 

// Copyright 2003 Liam Girdwood  

#ifndef _CONSTELLATION_HH
#define _CONSTELLATION_HH

#include <glibmm/ustring.h>
#include <vector>

#define NUM_CONSTEL 89
#define NUM_CONST_LINES 646
#define NUM_CONST_BOUND 357

/*! \namespace Vega
* \brief Nova Virtual Sky Engine
*/
namespace Vega
{

/*! \class Constellation
* \brief Manages constellation boundaries, lines and names
*/
class Constellation
{
	public:
		Constellation();
		~Constellation();

		/*! \fn void clip(double ra_min, double dec_min, double ra_max , double dec_max);
		* \brief Clip the constellation objects
		*/
		void clip(double ra_min, double dec_min, double ra_max , double dec_max);
	
		/*! \fn const Glib::ustring& get_constellation(double ra, double dec);
		* \brief Get the constellation name at position ra,dec
		*/
		const Glib::ustring& get_constellation(double ra, double dec);
	
		/*! \enum const_id
		* \brief Constellation ID's
		*/
		enum const_id {
			AND = 0, ANT, APS, AQR, AQL, ARA, ARG, ARI,
			AUR, BOO, CAE, CAM, CNC, CVN, CMA, CMI, CAP,
			CAR, CAS, CEN, CEP, CET, CHA, CIR, COL, COM,
			CRA, CRB, CRV, CRT, CRU, CYG, DEL, DOR, DRA,
			EQU, ERI, FOR, GEM, GRU, HER, HOR, HYA, HYI,
			IND, LAC, LEO, LMI, LEP, LIB, LUP, LYN, LYR,
			MEN, MIC, MON, MUS, NOR, OCT, OPH, ORI, PAV,
			PEG, PER, PHE, PIC, PSC, PSA, PUP, PYX, RET,
			SGE, SGR, SCO, SCL, SCT, SER, SEX, TAU, TEL,
			TRI, TRA, TUC, UMA, UMI, VEL, VIR, VOL, VUL
		};
	
		struct ConstName {
			const_id id;
			const char* abv;
			const char* nominative;
			const char* genitive;
		};
		
		struct ConstLine {
			const_id id;
			double ra1;
			double dec1;
			double ra2;
			double dec2;
		};
		
		struct ConstBound {
			const_id id;
			double ra1;
			double ra2;
			double dec1;
		};
		
		int get_lines (std::vector<ConstLine>& lines);
		int get_names (std::vector<ConstName>& names);
		int get_bounds (std::vector<ConstBound>& boundaries);
		
		private:
			double m_min_ra;
			double m_min_dec;
			double m_max_ra;
			double m_max_dec;
		
			static ConstName const_names[NUM_CONSTEL];
			static ConstLine const_lines[NUM_CONST_LINES]; 
			static ConstBound const_bounds[NUM_CONST_BOUND];
};

};

#endif