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

// This example is provided by the Geant4-DNA collaboration
// dnadamage3 example is derived from the chem6 example
// chem6 example authors: W. G. Shin and S. Incerti (CENBG, France)
//
// Any report or published results obtained using the Geant4-DNA software
// shall cite the following Geant4-DNA collaboration publication:
// J. Appl. Phys. 125 (2019) 104301
// Med. Phys. 45 (2018) e722-e739
// J. Comput. Phys. 274 (2014) 841-882
// 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
//
// Authors: J. Naoki D. Kondo (UCSF, US)
//          J. Ramos-Mendez and B. Faddegon (UCSF, US)
//
//
///  Filtering of molecules by material at the beggining of the chemical stage

#include "TimeStepAction.hh"

#include "G4Molecule.hh"
#include "G4Scheduler.hh"
#include "G4SystemOfUnits.hh"
#include "G4Track.hh"
#include "G4UnitsTable.hh"

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TimeStepAction::TimeStepAction() : G4UserTimeStepAction() {}

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TimeStepAction::TimeStepAction(const TimeStepAction& other) : G4UserTimeStepAction(other) {}

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TimeStepAction& TimeStepAction::operator=(const TimeStepAction& rhs)
{
  if (this == &rhs) return *this;  // handle self assignment
  // assignment operator
  return *this;
}

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void TimeStepAction::UserPreTimeStepAction()
{
  G4int Steps = G4Scheduler::Instance()->GetNbSteps();

  if (Steps == 1) {
    G4TrackManyList* trackList = G4ITTrackHolder::Instance()->GetMainList();
    G4ManyFastLists<G4Track>::iterator it_begin = trackList->begin();
    G4ManyFastLists<G4Track>::iterator it_end = trackList->end();

    for (; it_begin != it_end; ++it_begin) {
      G4String Material = it_begin->GetStep()->GetPreStepPoint()->GetMaterial()->GetName();
      G4String MoleculeName = GetMolecule(*it_begin)->GetName();
      if (Material != "G4_WATER" && !G4StrUtil::contains(MoleculeName, "DNA")) {
        it_begin->SetTrackStatus(fStopAndKill);
      }
    }
  }
}

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void TimeStepAction::UserPostTimeStepAction() {}

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

void TimeStepAction::UserReactionAction(const G4Track& /*trackA*/, const G4Track& /*trackB*/,
                                        const std::vector<G4Track*>* /*products*/)
{}

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