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//
// 
/// \file B4bEventAction.cc
/// \brief Implementation of the B4bEventAction class

#include "B4bEventAction.hh"
#include "B4bRunData.hh"

#include "G4RunManager.hh"
#include "G4Event.hh"
#include "G4UnitsTable.hh"

#include "Randomize.hh"
#include <iomanip>

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B4bEventAction::B4bEventAction()
 : G4UserEventAction()
{}

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B4bEventAction::~B4bEventAction()
{}

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void B4bEventAction::PrintEventStatistics(
                              G4double absoEdep, G4double absoTrackLength,
                              G4double gapEdep, G4double gapTrackLength) const
{
  // print event statistics
  G4cout
     << "   Absorber: total energy: " 
     << std::setw(7) << G4BestUnit(absoEdep, "Energy")
     << "       total track length: " 
     << std::setw(7) << G4BestUnit(absoTrackLength, "Length")
     << G4endl
     << "        Gap: total energy: " 
     << std::setw(7) << G4BestUnit(gapEdep, "Energy")
     << "       total track length: " 
     << std::setw(7) << G4BestUnit(gapTrackLength, "Length")
     << G4endl;
}

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void B4bEventAction::BeginOfEventAction(const G4Event* /*event*/)
{  
  auto runData 
    = static_cast<B4bRunData*>(
        G4RunManager::GetRunManager()->GetNonConstCurrentRun());
  runData->Reset();  
}

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void B4bEventAction::EndOfEventAction(const G4Event* event)
{
  auto runData 
    = static_cast<B4bRunData*>(
        G4RunManager::GetRunManager()->GetNonConstCurrentRun());
  runData->FillPerEvent();

  //print per event (modulo n)
  //
  auto eventID = event->GetEventID();
  auto printModulo = G4RunManager::GetRunManager()->GetPrintProgress();
  if ( ( printModulo > 0 ) && ( eventID % printModulo == 0 ) ) {
    G4cout << "---> End of event: " << eventID << G4endl;     

    PrintEventStatistics(
      runData->GetEdep(kAbs),
      runData->GetTrackLength(kAbs),
      runData->GetEdep(kGap),
      runData->GetTrackLength(kGap));
  }
}  

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