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/// \file TrackingAction.cc
/// \brief Implementation of the TrackingAction class

// This example is provided by the Geant4-DNA collaboration
// Any report or published results obtained using the Geant4-DNA software
// shall cite the following Geant4-DNA collaboration publications:
// Med. Phys. 45 (2018) e722-e739
// Phys. Med. 31 (2015) 861-874
// Med. Phys. 37 (2010) 4692-4708
// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
//
// The Geant4-DNA web site is available at http://geant4-dna.org
//

#include "TrackingAction.hh"

#include "G4Alpha.hh"
#include "G4AnalysisManager.hh"
#include "G4DNAGenericIonsManager.hh"
#include "G4Electron.hh"
#include "G4Gamma.hh"
#include "G4PhysicalConstants.hh"
#include "G4Proton.hh"
#include "G4SystemOfUnits.hh"
#include "G4Track.hh"

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TrackingAction::TrackingAction() {}

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void TrackingAction::PreUserTrackingAction(const G4Track* aTrack)
{
  G4double flagParticle = -1.;
  G4double x, y, z, dirx, diry, dirz;

  G4ParticleDefinition* partDef = aTrack->GetDynamicParticle()->GetDefinition();

  if (partDef == G4Gamma::GammaDefinition()) flagParticle = 0;

  if (partDef == G4Electron::ElectronDefinition()) flagParticle = 1;

  if (partDef == G4Proton::ProtonDefinition()) flagParticle = 2;

  if (partDef == G4Alpha::AlphaDefinition()) flagParticle = 4;

  G4DNAGenericIonsManager* instance;
  instance = G4DNAGenericIonsManager::Instance();

  if (partDef == instance->GetIon("hydrogen")) flagParticle = 3;

  if (partDef == instance->GetIon("alpha+")) flagParticle = 5;

  if (partDef == instance->GetIon("helium")) flagParticle = 6;

  //

  x = aTrack->GetPosition().x() / nanometer;
  y = aTrack->GetPosition().y() / nanometer;
  z = aTrack->GetPosition().z() / nanometer;

  dirx = aTrack->GetMomentumDirection().x();
  diry = aTrack->GetMomentumDirection().y();
  dirz = aTrack->GetMomentumDirection().z();

  // Call analysis manager
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();

  // Fill track information ntuple
  analysisManager->FillNtupleDColumn(0, flagParticle);
  analysisManager->FillNtupleDColumn(1, x);
  analysisManager->FillNtupleDColumn(2, y);
  analysisManager->FillNtupleDColumn(3, z);
  analysisManager->FillNtupleDColumn(4, dirx);
  analysisManager->FillNtupleDColumn(5, diry);
  analysisManager->FillNtupleDColumn(6, dirz);
  analysisManager->FillNtupleDColumn(7, aTrack->GetKineticEnergy() / eV);
  analysisManager->FillNtupleIColumn(8, aTrack->GetTrackID());
  analysisManager->FillNtupleIColumn(9, aTrack->GetParentID());
  analysisManager->AddNtupleRow();

}

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void TrackingAction::PostUserTrackingAction(const G4Track*) {}
