// $Id$
//
//    File: DTOFHit_factory.h
// Created: Wed Aug  7 09:30:17 EDT 2013
// Creator: davidl (on Darwin harriet.jlab.org 11.4.2 i386)
//

#ifndef _DTOFHit_factory_
#define _DTOFHit_factory_

#include <vector>
#include <map>
#include <utility>
using namespace std;

#include <JANA/JFactory.h>
#include "DTOFDigiHit.h"
#include "DTOFTDCDigiHit.h"
#include "DTOFHit.h"
#include "DTOFGeometry.h"
#include "TTab/DTranslationTable.h"
using namespace jana;


// store constants so that they can be accessed by plane/bar number
// each entry holds a pair of value for the two different bar ends
// [whatever the conventional choice is]
typedef  vector< vector< pair<double,double> > >  tof_digi_constants_t;


class DTOFHit_factory:public jana::JFactory<DTOFHit>{
	public:
		DTOFHit_factory(){};
		~DTOFHit_factory(){};

		// geometry info - maybe redundant?
		const static int TOF_MAX_CHANNELS = 176;
		int TOF_NUM_PLANES;
		int TOF_NUM_BARS;

		// overall scale factors
		double a_scale;
		double t_scale;
		double tdc_scale;
                double t_min;

		double DELTA_T_ADC_TDC_MAX;

		tof_digi_constants_t adc_pedestals;
		tof_digi_constants_t adc_gains;
		tof_digi_constants_t adc_time_offsets;
		tof_digi_constants_t tdc_time_offsets;
		tof_digi_constants_t tdc_scales;


		DTOFHit* FindMatch(int plane, int bar, int end, double T);

		const double GetConstant( const tof_digi_constants_t &the_table,
					  const int in_plane, const int in_bar, 
					  const int in_end ) const;
		const double GetConstant( const tof_digi_constants_t &the_table,
					  const DTOFDigiHit *the_digihit) const;
		const double GetConstant( const tof_digi_constants_t &the_table,
					  const DTOFHit *the_hit) const;
		const double GetConstant( const tof_digi_constants_t &the_table,
					  const DTOFTDCDigiHit *the_digihit) const;
		//const double GetConstant( const tof_digi_constants_t &the_table,
		//			  const DTranslationTable *ttab,
		//			  const int in_rocid, const int in_slot, const int in_channel) const;


	private:
		jerror_t init(void);						///< Called once at program start.
		jerror_t brun(jana::JEventLoop *eventLoop, int runnumber);	///< Called everytime a new run number is detected.
		jerror_t evnt(jana::JEventLoop *eventLoop, int eventnumber);	///< Called every event.
		jerror_t erun(void);						///< Called everytime run number changes, provided brun has been called.
		jerror_t fini(void);						///< Called after last event of last event source has been processed.

		void FillCalibTable(tof_digi_constants_t &table, vector<double> &raw_table,
				    const DTOFGeometry &tofGeom);

};

#endif // _DTOFHit_factory_