#ifndef PNDSDSCHARGECONVERSION_H
#define PNDSDSCHARGECONVERSION_H

//! base class for energy loss <-> digi value conversion
//! @author D.-L.Pohl <d.pohl@fz-juelich.de>

#include <map>
#include "TObject.h"
#include "TString.h"
#include "PndSdsDigi.h"

enum ConvType{kUndefined,kIdeal,kToT};

class PndSdsChargeConversion : public TObject
{
public :

	PndSdsChargeConversion(ConvType type){fConvType = type;};
	virtual ~PndSdsChargeConversion(){};
	virtual void StartExecute(){};
	virtual void EndExecute(){};
	virtual Double_t ChargeToDigiValue(Double_t Charge) = 0;
	virtual Double_t DigiValueToCharge(Double_t digi) = 0;
	virtual Double_t DigiValueToCharge(PndSdsDigi &digi);

	Double_t GetParameter(TString param){
		it=fParams.find(param);
		if (it == fParams.end()){
			Error("GetParameter(TString param)","No parameter named: "+param);
			return -1;
		}
		return it->second;
	};
	void SetParameter(TString param, Double_t value){
		if (value < 0 ) Error("SetParameter(TString param, Double_t value)","invalid value for param "+ param);
		fParams.insert(std::pair<TString, Double_t>(param, value));
	};

private :
	std::map<TString, Double_t> fParams;
	std::map<TString, Double_t>::iterator it;
	ConvType fConvType;


ClassDef(PndSdsChargeConversion,1);
};
#endif /* PNDSDSCHARGECONVERSION_H */