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/// \file B4/B4a/src/SteppingAction.cc
/// \brief Implementation of the B4a::SteppingAction class

#include "SteppingAction.hh"
#include "EventAction.hh"
#include "DetectorConstruction.hh"

#include "G4Step.hh"
#include "G4RunManager.hh"
#include "G4Neutron.hh"
#include "G4Gamma.hh"


//#include "G4AnalysisManager.hh"


using namespace B4;

namespace B4a
{

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

SteppingAction::SteppingAction(const DetectorConstruction* detConstruction,
                               EventAction* eventAction)
  : fDetConstruction(detConstruction),
    fEventAction(eventAction)
{}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void SteppingAction::UserSteppingAction(const G4Step* step)
{
// Collect energy and track length step by step

  // get volume of the current step
  auto volume = step->GetPreStepPoint()->GetTouchableHandle()->GetVolume();

  // energy deposit
  G4double neutronEdep=0;
  G4double gammaEdep=0;
  auto edep = step->GetTotalEnergyDeposit();
  if(step->GetTrack()->GetDefinition()==G4Neutron::Neutron()){
      neutronEdep=step->GetTotalEnergyDeposit();
    }
    else if (step->GetTrack()->GetDefinition()==G4Gamma::Gamma()){
      gammaEdep=step->GetTotalEnergyDeposit();
    }
  G4Track *track = (G4Track*)(step->GetTrack());
  // step length
  G4double stepLength = 0.;
  G4String particle_name=step->GetTrack()->GetDefinition()->GetParticleName();
  // if(particle_name=="gamma"){
  //     track->SetTrackStatus(fStopAndKill);
  //  }
  if ( step->GetTrack()->GetDefinition()->GetPDGCharge() != 0. ) {
    stepLength = step->GetStepLength();
  } 

  if ( volume == fDetConstruction->GetAbsorberPV() ) {
    fEventAction->AddAbs(edep,stepLength);
  }
  if ( volume == fDetConstruction->GetGapPV() ) {
    G4int pdgcharge=step->GetTrack()->GetDefinition()->GetPDGCharge();
    fEventAction->AddGap(edep,neutronEdep,gammaEdep,stepLength,pdgcharge);
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

}