#ifndef ALIEMCALBIASAPD_H
#define ALIEMCALBIASAPD_H

/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id: $ */

#include <TObject.h>
#include "AliEMCALGeoParams.h"
class TString;

/*
  Objects of this class read txt file with APD data
  AliEMCALBiasAPD inherits TObject only to use AliLog "functions".
*/

class AliEMCALBiasAPD : public TObject {
public:
  AliEMCALBiasAPD();

  // Read and Write txt I/O methods are normally not used, but are useful for 
  // filling the object before it is saved in OCDB 
  void ReadBiasAPDInfo(Int_t nSM, const TString &txtFileName, Bool_t swapSides=kFALSE); // info file is for nSm=1 to 12 SuperModules

  void WriteBiasAPDInfo(const TString &txtFileName, Bool_t swapSides=kFALSE); // info file is for nSm=1 to 12 SuperModules

  virtual ~AliEMCALBiasAPD();

  struct AliEMCALSuperModuleBiasAPD {
    Int_t fSuperModuleNum;
    Int_t fElecId[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows]; // ElectronicsIndex/Address - we keep this to help ensure that the column/row info matches with electronics indices
    Int_t fDAC[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows]; // 0-0x3ff register
    Float_t fVoltage[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows]; // 210 to ca 417 V. (function of DAC setting)
  };

  // pointer to stored info.
  Int_t GetNSuperModule() const { return fNSuperModule; }; 
  AliEMCALSuperModuleBiasAPD * GetSuperModuleData() const { return fSuperModuleData; };

  // - via the index in the stored array:
  virtual AliEMCALSuperModuleBiasAPD GetSuperModuleBiasAPDId(Int_t smIndex) const;
  // - or via the actual SM number
  virtual AliEMCALSuperModuleBiasAPD GetSuperModuleBiasAPDNum(Int_t smNum) const;

protected:

  Int_t 	  fNSuperModule; // Number of supermodules.
  AliEMCALSuperModuleBiasAPD *fSuperModuleData; // SuperModule data

private:

  AliEMCALBiasAPD(const AliEMCALBiasAPD &);
  AliEMCALBiasAPD &operator = (const AliEMCALBiasAPD &);

  ClassDef(AliEMCALBiasAPD, 1) //BiasAPD data reader
};

#endif