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

#ifndef Run_h
#define Run_h 1

#include "SteppingAction.hh"
#include "TrackingAction.hh"

#include "G4Run.hh"
#include "G4ThreeVector.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 SetTargetMaterialName(const G4String& inputValue) { fTargetMaterialName = inputValue; }
    void SetCubicVolumeScoringUpDown(const G4double inputValue)
    {
      fCubicVolumeScoringUpDown = inputValue;
    }
    void SetCubicVolumeScoringSide(const G4double inputValue)
    {
      fCubicVolumeScoringSide = inputValue;
    }
    G4int GetPrimaryParticleId() const { return fPrimaryParticleId; }
    G4double GetPrimaryParticleEnergy() const { return fPrimaryParticleEnergy; }
    G4ThreeVector GetPrimaryParticleDirection() const { return fPrimaryParticleDirection; }
    G4String GetTargetMaterialName() const { return fTargetMaterialName; }
    G4double GetCubicVolumeScoringUpDown() const { return fCubicVolumeScoringUpDown; }
    G4double GetCubicVolumeScoringSide() const { return fCubicVolumeScoringSide; }

    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 fTargetMaterialName;
    G4double fCubicVolumeScoringUpDown;
    G4double fCubicVolumeScoringSide;
    std::array<G4double, SteppingAction::fkNumberCombinations> fSteppingArray;
    std::array<G4long, TrackingAction::fkNumberCombinations> fTrackingArray1;
    std::array<G4double, TrackingAction::fkNumberCombinations> fTrackingArray2;
};

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#endif