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

// This example is provided by the Geant4-DNA collaboration
// Any report or published results obtained using the Geant4-DNA software
// shall cite the following Geant4-DNA collaboration publication:
// Med. Phys. 37 (2010) 4692-4708
// The Geant4-DNA web site is available at http://geant4-dna.org
//
//

#include "EventAction.hh"

#include "ClusteringAlgo.hh"

#include "G4AnalysisManager.hh"
#include "G4Event.hh"
#include "G4LogicalVolume.hh"
#include "G4LogicalVolumeStore.hh"
#include "G4SystemOfUnits.hh"
#include "Randomize.hh"

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

EventAction::EventAction() : G4UserEventAction()
{
  // default parameter values
  fEdep = 0.;

  // Create clustering algorithm
  // These default values have been tuned for the Physics List G4EmDNAPhysics
  // to reproduce data published by:
  // Francis et al. 2011 Comput. Meth. Programs. Biomed. 2011 101(3)
  fpClustering = new ClusteringAlgo(3.3 * nanometer, 2, 0.2, 5 * eV, 37.5 * eV);
}

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

EventAction::~EventAction()
{
  delete fpClustering;
}

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

void EventAction::BeginOfEventAction(const G4Event*)
{
  fEdep = 0.;
  fpClustering->Purge();
}

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

void EventAction::EndOfEventAction(const G4Event*)
{
  std::map<G4int, G4int> sizeDistribution = fpClustering->RunClustering();

  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();

  analysisManager->FillH1(1, fpClustering->GetSSB());
  analysisManager->FillH1(2, fpClustering->GetComplexSSB());
  analysisManager->FillH1(3, fpClustering->GetDSB());

  while (!sizeDistribution.empty()) {
    analysisManager->FillH1(4, sizeDistribution.begin()->first, sizeDistribution.begin()->second);
    sizeDistribution.erase(sizeDistribution.begin());
  }

  analysisManager->FillH1(
    5,
    (fEdep / joule) / (G4LogicalVolumeStore::GetInstance()->GetVolume("Target")->GetMass() / kg));
}
