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/// \file B3/B3a/src/RunAction.cc
/// \brief Implementation of the B3a::RunAction class

#include "RunAction.hh"
#include "PrimaryGeneratorAction.hh"

#include "G4RunManager.hh"
#include "G4Run.hh"
#include "G4AccumulableManager.hh"
#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"

using namespace B3;

namespace B3a
{

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

RunAction::RunAction()
{
  //add new units for dose
  //
  const G4double milligray = 1.e-3*gray;
  const G4double microgray = 1.e-6*gray;
  const G4double nanogray  = 1.e-9*gray;
  const G4double picogray  = 1.e-12*gray;

  new G4UnitDefinition("milligray", "milliGy" , "Dose", milligray);
  new G4UnitDefinition("microgray", "microGy" , "Dose", microgray);
  new G4UnitDefinition("nanogray" , "nanoGy"  , "Dose", nanogray);
  new G4UnitDefinition("picogray" , "picoGy"  , "Dose", picogray);

  // Register accumulable to the accumulable manager
  G4AccumulableManager* accumulableManager = G4AccumulableManager::Instance();
  accumulableManager->RegisterAccumulable(fGoodEvents);
  accumulableManager->RegisterAccumulable(fSumDose);
}

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

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

  // reset accumulables to their initial values
  G4AccumulableManager* accumulableManager = G4AccumulableManager::Instance();
  accumulableManager->Reset();

  //inform the runManager to save random number seed
  G4RunManager::GetRunManager()->SetRandomNumberStore(false);
}

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

void RunAction::EndOfRunAction(const G4Run* run)
{
  G4int nofEvents = run->GetNumberOfEvent();
  if (nofEvents == 0) return;

  // Merge accumulables
  G4AccumulableManager* accumulableManager = G4AccumulableManager::Instance();
  accumulableManager->Merge();

  // Run conditions
  //  note: There is no primary generator action object for "master"
  //        run manager for multi-threaded mode.
  const auto generatorAction = static_cast<const B3::PrimaryGeneratorAction*>(
    G4RunManager::GetRunManager()->GetUserPrimaryGeneratorAction());
  G4String partName;
  if (generatorAction)
  {
    G4ParticleDefinition* particle
      = generatorAction->GetParticleGun()->GetParticleDefinition();
    partName = particle->GetParticleName();
  }

  // Print results
  //
  if (IsMaster())
  {
    G4cout
     << G4endl
     << "--------------------End of Global Run-----------------------"
     << G4endl
     << "  The run was " << nofEvents << " events ";
  }
  else
  {
    G4cout
     << G4endl
     << "--------------------End of Local Run------------------------"
     << G4endl
     << "  The run was " << nofEvents << " "<< partName;
  }
  G4cout
     << "; Nb of 'good' e+ annihilations: " << fGoodEvents.GetValue()  << G4endl
     << " Total dose in patient : " << G4BestUnit(fSumDose.GetValue(),"Dose")
     << G4endl
     << "------------------------------------------------------------" << G4endl
     << G4endl;
}

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

}