#ifndef HGEOMEDIA_H
#define HGEOMEDIA_H
#include "geantdef.h"

// Linked list of elements HGeoMedium called by the name of the medium.
// The names of the materials and the media are identical.
// There are no predefined materials.
// WARNING: The Geant-routine GMATE is not!!! called.
//          The programm will crash if you would call it.
//
// If a detector is read from database, the media of this detector are also read
// the database.
// If a detector is read from file, you have to read the media for this
// detector from file, at least these media not already read from database
// and stored in list.
// 

#include <iostream.h>
#include <fstream.h>
#include "hstring.h"
#include "hgeoinfo.h"
#include "hgeomedium.h"
#include "hnamedlist.h"

#if defined (WITHGEANT) || (WITHFORTRAN)
#include "cfortran.h"
#endif
#ifdef WITHGEANT
#include "geant321.h"
#endif

class HGeoMedia : public HNamedList<HGeoMedium> {
public:
	HGeoMedia() : HNamedList<HGeoMedium>() {
		noDefMed=0;
		currentSensFlag=0;
	}
	~HGeoMedia(){}

	// reads a list of media from file
	// returns HSUCCESS or HFAILURE
	// Before the keyword AUTONULL is found in the file, it does not read
	// the parameters madfld, maxstep, maxde, minstep. In this case defauld
	// values are used. The other parameters are read in the same order as
	// they are defined in hgeomedium.h. 
	// After the keyword AUTONULL all media have to contain these additional
	// 4 parameters at the end.
	// The sensitivity fag currentSensFlag is set to 1 if the parameter
	// sensflag > 0
	int readFileMedia(HGeoInfo & geoInfo);


	// reads the medium of a volume and stores it in the list if not yet
	// stored
	// returns HSUCCESS or HFAILURE
	int readMediumDb(HGeoInfo & geoInfo, HString & medName);

	// creates a material via the Geant-routines GSMATE, GSMIXT and GSTMED
	// returns medno, the internal geantnumber for the medium
	int createMedium(HString & medName, HGeoInfo & geoInfo);

	// returns the number of media already defined in geant
	int getNoDefMed() {return noDefMed;}

	// returns the sensitivity fag of a medium
	int getCurrentSensFlag() {return currentSensFlag;}

	// shows the whole list (names and parameters)
	int showAll();

	// writes the whole list (names and parameters) to file
	int writeToFile(HGeoInfo & geoInfo);

protected:
	// number of media already defined in geant
	// starts with 0 and is incremented every time before a medium is created
	int noDefMed;

	// sensitivity fag of a medium
	// ==1 for the medium of a sentive volume
	int currentSensFlag;
};

#endif