#ifndef HGEANTINPUT_H
#define HGEANTINPUT_H

//
// Reads and stores filenames from initialization-file
// A number of geoMaxFiles files can be stored in the array geoFiles for the geometry
// A number of hitMaxFiles files can be stored in the array hitFiles for the hit 
// definitions
// A number of tupMaxFiles files can be stored in the array tupFiles for output ntupel files.
// Is instantiatiated as a global class in hgeantinit.cc
//

#include "TString.h"

class HGeantInput {
protected:
	// Name of the initialization-file
	TString sourceFile;

	// Numbers of filenames for geometry/hits/field/ntuples/events
        // read from the initialization-file
        int geoNoFiles;
        int hitNoFiles;
        int fieldNoFiles;
        int tupNoFiles;
        int evNoFiles;
        int rootNoFiles;

	// Arrays of filenames for geometry/hits/tuples/events 
        // to be set by the command interface
	TString * geoFiles;
	TString * hitFiles;
        TString * fieldFiles;
	TString * tupFiles;
	TString * evFiles;
        TString * rootFiles;

        // File defining subsets of detector geometry
	TString detSetupFile;

        // Parameter file 
	TString paramFile;

	// simulation reference run (name) in database
	TString simulRefRun;

	// simulation reference run (name) in database
	Int_t simulRefRunId;

	// date to read historic data from database
	TString historyDate;

	// flag to skip any database activities
	TString dbSupport;

	// file name for geometry debug output
	TString debugFile;

        // Keywords to find the startposition for reading the filenames for
        // geo/hit/param/tup/event definition
	TString hitKey;
        TString fieldKey;
	TString tupKey;
	TString geoKey1;
	TString geoKey2;
        TString detSetupKey;
	TString evKey;
        TString rootKey;     // a ROOT file instead of RZT is asked for
        TString debugKey;

	// Keywords for reading geometry from database
        TString paramKey;
	TString refRunKey;
	TString refRunIdKey;
	TString historyKey;

	// Keywords for database support
        TString dbSupportKey;

	// Empty string
	TString empty;
public:
	// maximum number of geo/hit/tuple/event 
        //files read from initialization-file
        int geoMaxFiles;
        int hitMaxFiles;
        int tupMaxFiles;
        int evMaxFiles;
        int fieldMaxFiles;
	int rootMaxFiles;
	
	// Constructor called with name of initialization-file as parameter
	HGeantInput() {
                geoMaxFiles=20;
                geoNoFiles=0;
		geoFiles=new TString [geoMaxFiles];
 		geoKey1=".geo";
 		geoKey2="_gdb";
		hitMaxFiles=20;
                hitNoFiles=0;
		hitFiles=new TString [hitMaxFiles];
 		hitKey=".hit";
                fieldMaxFiles=10;
                fieldNoFiles=0;
		fieldFiles=new TString [fieldMaxFiles];
 		fieldKey=".map";
                tupMaxFiles=100;
                tupNoFiles=0;
		tupFiles=new TString [tupMaxFiles];
 		tupKey=".tup";
                evMaxFiles=10;
                evNoFiles=0;
		evFiles=new TString [evMaxFiles];
 		evKey=".evt";
		paramKey="ParameterFile:";
		refRunKey="SimulRefRunDb:";
		refRunIdKey="SimulRefRunId:";
                simulRefRunId=0;
		historyKey="HistoryDateDb:";
		dbSupportKey="DbSupport:";
		dbSupport="ON";
                rootMaxFiles=100;
                rootNoFiles=0;
		rootFiles=new TString [rootMaxFiles];
 		rootKey=".root";
                detSetupKey=".setup";
                debugKey="DebugFile:";
	}
	~HGeantInput(){
		delete [] geoFiles;
		delete [] hitFiles;
                delete [] fieldFiles;
		delete [] tupFiles;
		delete [] evFiles;
		delete [] rootFiles;
	}

        void iniSourceFile(TString & s){
        sourceFile=s;
        }

	// reads filenames from initialization-file and
	// stores them in the array geoFiles and hitFiles
	int readFileNames();

	// shows all filenames stored in arrays geoFiles and hitFiles
	void showFileNames();

	// returns number of filenames for geometry/hit/ntuples/event/field 
	int getGeoNoFiles() {return geoNoFiles;}
	int getHitNoFiles() {return hitNoFiles;}
	int getFieldNoFiles() {return fieldNoFiles;}
	int getTupNoFiles() {return tupNoFiles;}
	int getEvNoFiles() {return evNoFiles;}
	int getRootNoFiles() {return rootNoFiles;}


	// returns the filename from the array geoFiles/hitFiles/etc.
        //tupFiles/evFiles at position (index)
	TString & getGeoFileName(int index) {
		if(index>=0 && index<geoMaxFiles) return geoFiles[index];
		return empty;
	}
	TString & getHitFileName(int index) {
		if(index>=0 && index<hitMaxFiles) return hitFiles[index];
		return empty;
        }
	TString & getFieldFileName(int index) {
		if(index>=0 && index<fieldMaxFiles) return fieldFiles[index];
		return empty;
        }
	TString & getTupFileName(int index) {
		if(index>=0 && index<tupMaxFiles) return tupFiles[index];
		return empty;
	}
	TString & getEvFileName(int index) {
		if(index>=0 && index<evMaxFiles) return evFiles[index];
		return empty;
	}
	TString & getRootFileName(int index) {
		if(index>=0 && index<rootMaxFiles) return rootFiles[index];
		return empty;
	}

        TString getDetSetupFile()  { return detSetupFile; }
        TString getParameterFile() { return paramFile; }
	TString getDbSupport()     { return dbSupport; }
	TString getSimulRefRun()   { return simulRefRun; }
	Int_t   getSimulRefRunId() { return simulRefRunId; }
	TString getHistoryDate()   { return historyDate; }
        TString getDebugFile()     { return debugFile; }

};
#endif   /*! HGEANTINPUT_H */