#ifndef _R3B_LAND_DIGITIZER_QA_H_
#define _R3B_LAND_DIGITIZER_QA_H_

#include "FairTask.h"

class TClonesArray;
class TH1F;
class TH2F;


/**
 * \brief R3BLandDigitizerQA task.
 *
 * Task for filling controll histograms of R3BLandDigitizer
 * performance. Plots are stored in the output file.
 */

class R3BLandDigitizerQA : public FairTask {
  
public:
  
  /** Default constructor. */
  R3BLandDigitizerQA();
  
  /** Copy constructor. */
  R3BLandDigitizerQA(const R3BLandDigitizerQA&);
  
  /** Destructor. */
  virtual ~R3BLandDigitizerQA();
  
  /** Assignment operator. */
  R3BLandDigitizerQA& operator =(const R3BLandDigitizerQA&) { return *this; }
  
  /** Initialization of task. */
  virtual InitStatus Init();
  
  /** Execute one event. */
  virtual void Exec(Option_t *option);
  
  /** Finish event. */
  virtual void FinishEvent();
  
  /** Finish task. */
  virtual void Finish();
  
  /** Specify beam energy to be used. */
  inline void SetBeamEnergy(const Double_t &beamEnergy) { fBeamEnergy = beamEnergy; }
  
private:
  Int_t fEvent;
  TClonesArray *fTracks;
  TClonesArray *fPoints;
  TClonesArray *fDigis;
  
  Double_t fBeamEnergy;
  
  TH1F *fhTotEnergy;
  TH1F *fhTotLight;
  TH1F *fhTotEnergyRel;
  TH1F *fhTotLightRel;
  TH2F *fhElossLight;
  TH1F *fhTotEnergyReco;
  TH1F *fhPaddleE;
  TH1F *fhFirstTvsBar;
  TH1F *fhFirstBvsBar;
  TH1F *fhFirstE;
  TH2F *fhElossTime;
  TH2F *fhElossPdg;
  TH2F *fhQdcXL;
  TH2F *fhQdcXR;
  TH2F *fhThresh;
  TH1F *fhQdcRatio;
  
  void CreateHisto();
  
  ClassDef(R3BLandDigitizerQA, 1)
};


#endif