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// $Id$
//
/// \file RE05/src/RE05EventAction.cc
/// \brief Implementation of the RE05EventAction class
//

#include "RE05EventAction.hh"

#include "RE05TrackerHit.hh"
#include "RE05CalorimeterHit.hh"
#include "RE05MuonHit.hh"

#include "G4Event.hh"
#include "G4EventManager.hh"
#include "G4HCofThisEvent.hh"
#include "G4VHitsCollection.hh"
#include "G4TrajectoryContainer.hh"
#include "G4Trajectory.hh"
#include "G4VVisManager.hh"
#include "G4SDManager.hh"
#include "G4UImanager.hh"
#include "G4SystemOfUnits.hh"
#include "G4ios.hh"

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RE05EventAction::RE05EventAction()
: G4UserEventAction(),
  fTrackerCollID(-1),
  fCalorimeterCollID(-1),
  fMuonCollID(-1)
{}

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RE05EventAction::~RE05EventAction()
{}

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void RE05EventAction::BeginOfEventAction(const G4Event*)
{
  G4SDManager * SDman = G4SDManager::GetSDMpointer();
  if(fTrackerCollID<0||fCalorimeterCollID<0||fMuonCollID<0)
  {
    G4String colNam;
    fTrackerCollID = SDman->GetCollectionID(colNam="trackerCollection");
    fCalorimeterCollID = SDman->GetCollectionID(colNam="calCollection");
    fMuonCollID = SDman->GetCollectionID(colNam="muonCollection");
  }
}

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void RE05EventAction::EndOfEventAction(const G4Event* evt)
{
  G4cout << ">>> Event " << evt->GetEventID() << G4endl;
  
  if(fTrackerCollID<0||fCalorimeterCollID<0||fMuonCollID<0) return;

  G4HCofThisEvent * HCE = evt->GetHCofThisEvent();
  RE05TrackerHitsCollection* THC = 0;
  RE05CalorimeterHitsCollection* CHC = 0;
  RE05MuonHitsCollection* MHC = 0;
  if(HCE)
  {
    THC = (RE05TrackerHitsCollection*)(HCE->GetHC(fTrackerCollID));
    CHC = (RE05CalorimeterHitsCollection*)(HCE->GetHC(fCalorimeterCollID));
    MHC = (RE05MuonHitsCollection*)(HCE->GetHC(fMuonCollID));
  }

  if(THC)
  {
    int n_hit = THC->entries();
    G4cout << "     " << n_hit
         << " hits are stored in RE05TrackerHitsCollection." << G4endl;
  }
  if(CHC)
  {
    int n_hit = CHC->entries();
    G4cout << "     " << n_hit
         << " hits are stored in RE05CalorimeterHitsCollection." << G4endl;
    G4double totE = 0;
    for(int i=0;i<n_hit;i++)
    { totE += (*CHC)[i]->GetEdep(); }
    G4cout << "     Total energy deposition in calorimeter : "
         << totE / GeV << " (GeV)" << G4endl;
  }
  if(MHC)
  {
    int n_hit = MHC->entries();
    G4cout << "     " << n_hit
         << " hits are stored in RE05MuonHitsCollection." << G4endl;
  }
}

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