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

#include "TrackingAction.hh"

#include "DetectorConstruction.hh"
#include "HistoManager.hh"
#include "Run.hh"

#include "G4HadronicProcessType.hh"
#include "G4RunManager.hh"
#include "G4SystemOfUnits.hh"
#include "G4Track.hh"

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TrackingAction::TrackingAction(DetectorConstruction* det) : fDetector(det) {}

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void TrackingAction::PreUserTrackingAction(const G4Track* track)
{
  Run* run = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());

  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();

  // which volume ?
  //
  G4LogicalVolume* lVolume = track->GetVolume()->GetLogicalVolume();
  G4int iVol = 0;
  if (lVolume == fDetector->GetLogicTarget()) iVol = 1;
  if (lVolume == fDetector->GetLogicDetector()) iVol = 2;

  // secondary particles only
  if (track->GetTrackID() == 1) return;

  const G4ParticleDefinition* particle = track->GetParticleDefinition();
  G4String name = particle->GetParticleName();
  G4int pid = particle->GetPDGEncoding();
  G4int Z = particle->GetAtomicNumber();
  G4int A = particle->GetAtomicMass();
  G4double charge = particle->GetPDGCharge();
  G4double energy = track->GetKineticEnergy();
  G4double time = track->GetGlobalTime();
  G4double weight = track->GetWeight();

  run->ParticleCount(name, energy, iVol);

  // Radioactive decay products
  G4int processType = track->GetCreatorProcess()->GetProcessSubType();
  if (processType == fRadioactiveDecay) {
    // fill ntuple id = 3
    G4int id = 3;
    analysisManager->FillNtupleDColumn(id, 0, double(pid));
    analysisManager->FillNtupleDColumn(id, 1, double(Z));
    analysisManager->FillNtupleDColumn(id, 2, double(A));
    analysisManager->FillNtupleDColumn(id, 3, energy);
    analysisManager->FillNtupleDColumn(id, 4, time / s);
    analysisManager->FillNtupleDColumn(id, 5, weight);
    analysisManager->AddNtupleRow(id);

    if (charge < 3.) {
      // fill ntuple id = 0
      id = 0;
      analysisManager->FillNtupleDColumn(id, 0, double(pid));
      analysisManager->FillNtupleDColumn(id, 1, energy);
      analysisManager->FillNtupleDColumn(id, 2, time / s);
      analysisManager->FillNtupleDColumn(id, 3, weight);
      analysisManager->AddNtupleRow(id);

      analysisManager->FillH1(6, energy, weight);
      analysisManager->FillH1(7, energy, weight);
      analysisManager->FillH1(8, energy, weight);
    }
  }

  // all unstable ions produced in target
  G4bool unstableIon = ((charge > 2.) && !(particle->GetPDGStable()));
  if ((unstableIon) && (iVol == 1)) {
    // fill ntuple id = 1
    G4int id = 1;
    analysisManager->FillNtupleDColumn(id, 0, double(pid));
    analysisManager->FillNtupleDColumn(id, 1, time / s);
    analysisManager->FillNtupleDColumn(id, 2, weight);
    analysisManager->AddNtupleRow(id);
  }
}

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

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