//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
/// \file StackingAction.cc
/// \brief Implementation of the StackingAction class

#include "StackingAction.hh"

#include "EventAction.hh"
#include "HistoManager.hh"
#include "Run.hh"
#include "StackingMessenger.hh"

#include "G4EmSecondaryParticleType.hh"
#include "G4RunManager.hh"
#include "G4Track.hh"

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

StackingAction::StackingAction(EventAction* event) : fEventAction(event)
{
  fStackMessenger = new StackingMessenger(this);
}

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

StackingAction::~StackingAction()
{
  delete fStackMessenger;
}

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

G4ClassificationOfNewTrack StackingAction::ClassifyNewTrack(const G4Track* aTrack)
{
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();

  // keep primary particle
  if (aTrack->GetParentID() == 0) {
    return fUrgent;
  }

  G4int procID = aTrack->GetCreatorProcess()->GetProcessSubType();
  G4int modelID = aTrack->GetCreatorModelID();

  // count secondary particles
  Run* run = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
  run->CountParticles(aTrack->GetDefinition());
  /*
  G4cout << "###StackingAction: new "
         << aTrack->GetDefinition()->GetParticleName()
         << " E(MeV)= " << aTrack->GetKineticEnergy()
         << "  " << aTrack->GetMomentumDirection() << G4endl;
  */
  //
  // energy spectrum of secondaries
  //
  G4double energy = aTrack->GetKineticEnergy();
  G4double charge = aTrack->GetDefinition()->GetPDGCharge();

  if (charge != 0.) {
    analysisManager->FillH1(2, energy);
    analysisManager->FillH1(4, energy);
    if (procID >= 51 && procID <= 65) {
      analysisManager->FillH1(58, energy);
      analysisManager->FillH1(60, energy);
    }
    else if (_AugerElectron == modelID) {
      analysisManager->FillH1(50, energy);
      analysisManager->FillH1(52, energy);
    }
    else if (_ePIXE == modelID) {
      analysisManager->FillH1(54, energy);
      analysisManager->FillH1(56, energy);
    }
  }

  if (aTrack->GetDefinition() == G4Gamma::Gamma()) {
    analysisManager->FillH1(3, energy);
    analysisManager->FillH1(5, energy);
    if (procID >= 51 && procID <= 65) {
      analysisManager->FillH1(59, energy);
      analysisManager->FillH1(61, energy);
    }
    else if (_Fluorescence == modelID) {
      analysisManager->FillH1(51, energy);
      analysisManager->FillH1(53, energy);
    }
    else if (_GammaPIXE == modelID) {
      analysisManager->FillH1(55, energy);
      analysisManager->FillH1(57, energy);
    }
  }

  // stack or delete secondaries
  G4ClassificationOfNewTrack status = fUrgent;
  if (0 < fKillSecondary) {
    if (fKillSecondary == 1) {
      fEventAction->AddEnergy(energy);
    }
    status = fKill;
  }

  return status;
}

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