#ifndef CbmMcbm2018RichPar_H
#define CbmMcbm2018RichPar_H

#include "FairParGenericSet.h" // mother class

// STD
#include <map>

// ROOT
#include <TArrayI.h>
#include <TArrayD.h>

class CbmMcbm2018RichPar : public FairParGenericSet
{
public:

	CbmMcbm2018RichPar(const char* name = "CbmMcbm2018RichPar",
	                   const char* title = "RICH unpacker parameters",
	                   const char* context = "Default");

	virtual ~CbmMcbm2018RichPar();

	virtual void putParams(FairParamList*);

	virtual Bool_t getParams(FairParamList*);

public:

	Int_t GetNaddresses(void) const { return fTRBaddresses.GetSize(); }

	Int_t GetAddressIdx(Int_t addr) const;

	Int_t GetAddress(Int_t ind) const;

	/**
	 * First argument is TDC ID (i.e. 0x7210)
	 * TODO: test!
	 */
	Double_t GetToTshift(Int_t tdc, Int_t ch) const { Int_t tdcIdx=this->GetAddressIdx(tdc); return this->GetToTshift2(tdcIdx, ch); }

	/**
	 * First argument is TDC index (i.e. 0,1,2,...)
	 * TODO: test!
	 */
	Double_t GetToTshift2(Int_t tdcIdx, Int_t ch) const { return fToTshiftMap.at(tdcIdx*33+ch); }

private: // Stored in the par file

	/**
	 * List of TRB addresses
	 * required for unpacking (at least)
	 */
	TArrayI fTRBaddresses;

	/**
	 * Array of shifts added to the calculated ToTs
	 * for each channel. The array is organized as follows:
	 * For each entry in the fTRBaddresses there is a sub-array
	 * of 33 elements corresponding to the 33 channels of the
	 * TDC. These sub-arrays are listed one after another in the
	 * order the TDCs appear in the fTRBaddresses array.
	 */
	TArrayD fToTshifts;

private: // Recalculated

	/**
	 * key - TRB address (0x7211), value - index in the array
	 */
	std::map<Int_t, Int_t> fTRBaddrMap; //!

	/**
	 * key - unique channel ID, value - ToT shift
	 */
	std::map<Int_t, Double_t> fToTshiftMap; //!

	ClassDef(CbmMcbm2018RichPar, 1);
};

#endif // CbmMcbm2018RichPar_H