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//
/// \file RunAction.cc
/// \brief Implementation of the RunAction class
//
// 
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#include "RunAction.hh"
#include "Run.hh"
#include "DetectorConstruction.hh"
#include "PrimaryGeneratorAction.hh"
#include "HistoManager.hh"

#include "G4Run.hh"
#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"
#include "G4AnalysisManager.hh"
#include "G4RootAnalysisManager.hh"
#include "Randomize.hh"
#include <iomanip>
#include "TRoot.h"
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RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* prim)
  : G4UserRunAction(),
    fDetector(det), fPrimary(prim), fRun(0), fHistoManager(0)
{
    fHistoManager = new HistoManager();
    G4cout << "Runaction:: fHisto created!" << G4endl;
    auto analysisManager = G4AnalysisManager::Instance();
    analysisManager->SetNtupleMerging(true);
}


RunAction::~RunAction()
{
 delete fHistoManager;
    /* delete fRunActionMessenger; */
    /* delete fRun; */
}

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G4Run* RunAction::GenerateRun()
{ 
  fRun = new Run(fDetector); 
  return fRun;
}

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void RunAction::BeginOfRunAction(const G4Run*)
{    
  // show Rndm status
  if (isMaster) G4Random::showEngineStatus();
  
  if (fPrimary) { 
    G4ParticleDefinition* particle 
      = fPrimary->GetParticleGun()->GetParticleDefinition();
    G4double energy = fPrimary->GetParticleGun()->GetParticleEnergy();
    fRun->SetPrimary(particle, energy);
  }
             
   auto analysisManager = G4RootAnalysisManager::Instance();
   if ( analysisManager->IsActive() ) {
     /* analysisManager->OpenFile(); */
    // perform a check
   if (!analysisManager->OpenFile()) {
       G4cout << "!*!*!*!*!*!* ERROR OPENING FILE !*!*!*!*!*!*" << G4endl;
   }
   std::cin.get();
   }
    


}  

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void RunAction::EndOfRunAction(const G4Run*)
{
  if (isMaster) fRun->EndOfRun();    
  
  
  //save histograms      
  auto analysisManager = G4RootAnalysisManager::Instance();
  if ( analysisManager->IsActive() ) {
    analysisManager->Write();
    analysisManager->CloseFile(false);
  }
    // show Rndm status
  if (isMaster) G4Random::showEngineStatus();
}

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