//
// ********************************************************************
// * 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 TrackingAction.cc
/// \brief Implementation of the TrackingAction class
//
//
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

#include "TrackingAction.hh"

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

#include "G4RunManager.hh"
#include "G4Track.hh"
#include "G4StepStatus.hh"
#include "G4ParticleTypes.hh"

#include "G4SystemOfUnits.hh"
#include "G4UnitsTable.hh"

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

TrackingAction::TrackingAction(EventAction* event)
:fEventAction(event)
{ }

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

void TrackingAction::PreUserTrackingAction(const G4Track* track)
{  
  //count secondary particles
  if (track->GetTrackID() == 1) return;
  
  Run* run = static_cast<Run*>(
        G4RunManager::GetRunManager()->GetNonConstCurrentRun());
	        
  G4String name     = track->GetDefinition()->GetParticleName();
  G4double meanLife = track->GetDefinition()->GetPDGLifeTime();    
  G4double energy   = track->GetKineticEnergy();
  if (meanLife != 0 ) run->ParticleCount(name,energy,meanLife);
}

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

void TrackingAction::PostUserTrackingAction(const G4Track* track)
{
 // keep only outgoing particle
 G4StepStatus status = track->GetStep()->GetPostStepPoint()->GetStepStatus();
 if (status != fWorldBoundary) return; 
 
 const G4ParticleDefinition* particle = track->GetParticleDefinition();
 G4String name   = particle->GetParticleName();
 G4double energy = track->GetKineticEnergy();
 
 fEventAction->AddEflow(energy);  
 
 Run* run = static_cast<Run*>(
              G4RunManager::GetRunManager()->GetNonConstCurrentRun());
 run->ParticleFlux(name,energy);               
 
 // histograms: enery flow
 //
 G4AnalysisManager* analysis = G4AnalysisManager::Instance();
 
 G4int ih = 0; 
 G4String type   = particle->GetParticleType();      
 G4double charge = particle->GetPDGCharge();
 if (charge > 3.)  ih = 10; 
 else if (particle == G4Gamma::Gamma())       ih = 4;
 else if (particle == G4Electron::Electron()) ih = 5;
 else if (particle == G4Positron::Positron()) ih = 5;
 else if (particle == G4Neutron::Neutron())   ih = 6;
 else if (particle == G4Proton::Proton())     ih = 7;
 else if (particle == G4Deuteron::Deuteron()) ih = 8;
 else if (particle == G4Alpha::Alpha())       ih = 9;
 else if (type == "nucleus")                  ih = 10;
 else if (type == "baryon")                   ih = 11;
 else if (type == "meson")                    ih = 12;
 else if (type == "lepton")                   ih = 13;
 if (ih > 0) analysis->FillH1(ih,energy);
}

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

