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// $Id: RunAction.cc,v 1.8 2007/01/18 10:24:35 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#include "RunAction.hh"

#include "G4Run.hh"
#include "G4RunManager.hh"
#include "G4UnitsTable.hh"

#include "Randomize.hh"
#include "HistoManager.hh"

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RunAction::RunAction(HistoManager* histo)
:histoManager(histo)
{
  n_gam_sync = 0;
  e_gam_sync = 0;
  e_gam_sync2 = 0;
  e_gam_sync_max =0;
  lam_gam_sync = 0;
}

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RunAction::~RunAction()
{ }

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void RunAction::BeginOfRunAction(const G4Run* aRun)
{
  G4cout << "### Run " << aRun->GetRunID() << " start." << G4endl;

  // save Rndm status
  G4RunManager::GetRunManager()->SetRandomNumberStore(true);
  CLHEP::HepRandom::showEngineStatus();

  //book histograms      
  histoManager->book();
}

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void RunAction::EndOfRunAction(const G4Run*)
{
  if(n_gam_sync>0)
  {
    G4double Emean = e_gam_sync/n_gam_sync;
    G4double E_rms = std::sqrt(e_gam_sync2/n_gam_sync - Emean*Emean);
    G4cout
    << "Summary for synchrotron radiation :" << '\n' << std::setprecision(4)
    << "  Number of photons = " << n_gam_sync << '\n'
    << "  Emean             = " << Emean/keV << " +/- "
    << E_rms/(keV * std::sqrt((G4double) n_gam_sync)) << " keV" << '\n'
    << "  E_rms             = " << G4BestUnit(E_rms,"Energy") << '\n'
    << "  Energy Max / Mean = " << e_gam_sync_max / Emean << '\n'
    << "  MeanFreePath      = " << G4BestUnit(lam_gam_sync/n_gam_sync,"Length")
    << G4endl;
  }
  
  // show Rndm status
  CLHEP::HepRandom::showEngineStatus();

  //save histograms      
  histoManager->save();

}

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