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

#ifndef Run_h
#define Run_h 1

#include "G4Electron.hh"
#include "G4Gamma.hh"
#include "G4Positron.hh"
#include "G4Run.hh"
#include "globals.hh"

class DetectorConstruction;
class G4ParticleDefinition;

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class Run : public G4Run
{
  public:
    Run(DetectorConstruction*);
    ~Run() override = default;

    void SetPrimary(G4ParticleDefinition* particle, G4double energy);

    void AddEnergy(G4double edep)
    {
      fEnergyDeposit += edep;
      fEnergyDeposit2 += edep * edep;
    };

    void AddTrakLenCharg(G4double length)
    {
      fTrakLenCharged += length;
      fTrakLenCharged2 += length * length;
    };

    void AddTrakLenNeutr(G4double length)
    {
      fTrakLenNeutral += length;
      fTrakLenNeutral2 += length * length;
    };

    void AddMscProjTheta(G4double theta)
    {
      if (std::abs(theta) <= fMscThetaCentral) {
        fMscEntryCentral++;
        fMscProjecTheta += theta;
        fMscProjecTheta2 += theta * theta;
      }
    };

    void CountStepsCharg(G4int nSteps)
    {
      fNbStepsCharged += nSteps;
      fNbStepsCharged2 += nSteps * nSteps;
    };

    void CountStepsNeutr(G4int nSteps)
    {
      fNbStepsNeutral += nSteps;
      fNbStepsNeutral2 += nSteps * nSteps;
    };

    void CountParticles(G4ParticleDefinition* part)
    {
      if (part == G4Gamma::Gamma())
        ++fNbGamma;
      else if (part == G4Electron::Electron())
        ++fNbElect;
      else if (part == G4Positron::Positron())
        ++fNbPosit;
    };

    void CountTransmit(G4int flag)
    {
      if (flag == 1)
        ++fTransmit[0];
      else if (flag == 2) {
        ++fTransmit[0];
        ++fTransmit[1];
      }
    };

    void CountReflect(G4int flag)
    {
      if (flag == 1)
        ++fReflect[0];
      else if (flag == 2) {
        ++fReflect[0];
        ++fReflect[1];
      }
    };

    void AddEnergyLeak(G4double eleak, G4int index)
    {
      fEnergyLeak[index] += eleak;
      fEnergyLeak2[index] += eleak * eleak;
    };

    G4double ComputeMscHighland();

    void CountGammaProcesses(G4int* type)
    {
      for (G4int i = 0; i < 4; ++i) {
        fTypes[i] += type[i];
      }
    }

    void Merge(const G4Run*) override;

    void EndOfRun();

  private:
    DetectorConstruction* fDetector = nullptr;
    G4ParticleDefinition* fParticle = nullptr;
    G4double fEkin = 0.;

    G4double fEnergyDeposit = 0., fEnergyDeposit2 = 0.;
    G4double fTrakLenCharged = 0., fTrakLenCharged2 = 0.;
    G4double fTrakLenNeutral = 0., fTrakLenNeutral2 = 0.;
    G4double fNbStepsCharged = 0., fNbStepsCharged2 = 0.;
    G4double fNbStepsNeutral = 0., fNbStepsNeutral2 = 0.;
    G4double fMscProjecTheta = 0., fMscProjecTheta2 = 0.;
    G4double fMscThetaCentral = 0.;

    G4int fNbGamma = 0, fNbElect = 0, fNbPosit = 0;
    G4int fTransmit[2] = {0, 0}, fReflect[2] = {0, 0};
    G4int fMscEntryCentral = 0;
    G4int fTypes[4] = {0, 0, 0, 0};

    G4double fEnergyLeak[2] = {0, 0}, fEnergyLeak2[2] = {0, 0};
};

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#endif