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//
/// \file Run.hh
/// \brief Definition of the Run class
//
// 

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#ifndef Run_h
#define Run_h 1

#include "G4Run.hh"
#include "G4ThreeVector.hh"
#include "SteppingAction.hh"
#include "TrackingAction.hh"
#include <array>

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class Run : public G4Run {
  // This class accumulates relevant quantities related to particle fluence collected during
  // the run.
  // ( Note: these information are provided via calls of accessor methods of this Run class
  //         made by SteppingAction::UserSteppingAction
  //         and     TrackingAction::PreUserTrackingAction. )
  // At the end of a run, the  PrintInfo  method is called by the run-action to print out
  // some summary information about these quantities.
  // In multithreaded (MT) mode, an object of this class is filled up for each working thread,
  // and then merged (automatically by the Geant4 kernel) into another object (of this class)
  // owned by the master class; the  PrintInfo  method is then called only for the latter run
  // object.
  // Note that, for simplicity and brevity, we avoid histograms and print-out instead some
  // statistics (compute by ourself) at the end of the run.  
  public:
    Run();
    ~Run() override = default;
  
    void RecordEvent( const G4Event* anEvent ) override;
    // This method is called automatically by the Geant4 kernel (not by the user!) at the end
    // of each event. In the case of multithreaded mode, it is called only for the working thread
    // that handled that event.

    void Merge( const G4Run* aRun ) override;
    // This method is called automatically by the Geant4 kernel (not by the user!) only in the
    // case of multithreaded mode and only for working threads.
  
    void PrintInfo() const;
    // This method is called by RunAction::EndOfRunAction : in the case of multithreaded mode,
    // only the master thread calls it.

    void SetPrimaryParticleId( const G4int inputValue ) { fPrimaryParticleId = inputValue; }
    void SetPrimaryParticleEnergy( const G4double inputValue )
      { fPrimaryParticleEnergy = inputValue; }
    void SetPrimaryParticleDirection( const G4ThreeVector &inputValue )
      { fPrimaryParticleDirection = inputValue; }
    void SetTrackerMaterialName( const G4String &inputValue )
      { fTrackerMaterialName = inputValue; }
    void SetEmCaloMaterialName( const G4String &inputValue )
      { fEmCaloMaterialName = inputValue; }
    void SetHadCaloMaterialName( const G4String &inputValue )
      { fHadCaloMaterialName = inputValue; }
    void SetCubicVolumeScoringTrackerShell( const G4double inputValue )
      { fCubicVolumeScoringTrackerShell = inputValue; }
    void SetCubicVolumeScoringEmCaloShell( const G4double inputValue )
      { fCubicVolumeScoringEmCaloShell = inputValue; }
    void SetCubicVolumeScoringHadCaloShell( const G4double inputValue )
      { fCubicVolumeScoringHadCaloShell = inputValue; }
    G4int GetPrimaryParticleId() const { return fPrimaryParticleId; }
    G4double GetPrimaryParticleEnergy() const { return fPrimaryParticleEnergy; }
    G4ThreeVector GetPrimaryParticleDirection() const { return fPrimaryParticleDirection; }
    G4String GetTrackerMaterialName() const { return fTrackerMaterialName; }
    G4String GetEmCaloMaterialName() const { return fEmCaloMaterialName; }
    G4String GetHadCaloMaterialName() const { return fHadCaloMaterialName; }
    G4double GetCubicVolumeScoringTrackerShell() const { return fCubicVolumeScoringTrackerShell; }
    G4double GetCubicVolumeScoringEmCaloShell() const { return fCubicVolumeScoringEmCaloShell; }
    G4double GetCubicVolumeScoringHadCaloShell() const { return fCubicVolumeScoringHadCaloShell; }

    void SetSteppingArray( const std::array< G4double,
                           SteppingAction::fkNumberCombinations >& inputArray );
    std::array< G4double, SteppingAction::fkNumberCombinations > GetSteppingArray() const
    { return fSteppingArray; }
    // Accessor methods useful to transfer information collected by the stepping-action
    // into this Run class

    void SetTrackingArray1( const std::array< G4long,
                            TrackingAction::fkNumberCombinations >& inputArray );
    std::array< G4long, TrackingAction::fkNumberCombinations > GetTrackingArray1() const
    { return fTrackingArray1; }
    void SetTrackingArray2( const std::array< G4double,
                            TrackingAction::fkNumberCombinations >& inputArray );
    std::array< G4double, TrackingAction::fkNumberCombinations > GetTrackingArray2() const
    { return fTrackingArray2; }
    // Accessor methods useful to transfer information collected by the tracking-action
    // into this Run class

  private:  
    G4int fNumEvents;
    G4int fPrimaryParticleId;
    G4double fPrimaryParticleEnergy;
    G4ThreeVector fPrimaryParticleDirection;
    G4String fTrackerMaterialName;
    G4String fEmCaloMaterialName;
    G4String fHadCaloMaterialName;
    G4double fCubicVolumeScoringTrackerShell;
    G4double fCubicVolumeScoringEmCaloShell;
    G4double fCubicVolumeScoringHadCaloShell;
    std::array< G4double, SteppingAction::fkNumberCombinations > fSteppingArray;
    std::array< G4long,   TrackingAction::fkNumberCombinations > fTrackingArray1;
    std::array< G4double, TrackingAction::fkNumberCombinations > fTrackingArray2;
};

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#endif
