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//
/// \file RE03.cc
/// \brief Main program of the runAndEvent/RE03 example

#include "G4Types.hh"

#include "G4RunManagerFactory.hh"
#include "G4UImanager.hh"
#include "G4ScoringManager.hh"
#include "G4GeometryManager.hh"

#include "RE03DetectorConstruction.hh"
#include "FTFP_BERT.hh" 
#include "RE03ActionInitialization.hh"

#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"

//====================================================================
// Un-comment this line for user defined score writer
//    #include "RE03UserScoreWriter.hh"
//====================================================================

int main(int argc,char** argv)
{
 // Instantiate G4UIExecutive if there are no arguments (interactive mode)
 G4UIExecutive* ui = nullptr;
 if ( argc == 1 ) {
   ui = new G4UIExecutive(argc, argv);
 }

 // Construct the run manager
 //
 auto* runManager = G4RunManagerFactory::CreateRunManager();
 runManager->SetNumberOfThreads(4);

 // Disable parallel geometry optimization for sub-event parallel mode
 if(runManager->GetRunManagerType()==G4RunManager::subEventMasterRM)
 { G4GeometryManager::GetInstance()->RequestParallelOptimisation(false); }

 // Activate UI-command base scorer
 G4ScoringManager * scManager = G4ScoringManager::GetScoringManager();
 scManager->SetVerboseLevel(1);

//====================================================================
// Un-comment this line for user defined score writer
//    scManager->SetScoreWriter(new RE03UserScoreWriter());
//====================================================================

 // Set mandatory initialization classes
 //
 G4VUserDetectorConstruction* detector = new RE03DetectorConstruction;
 runManager->SetUserInitialization(detector);
 //
 G4VUserPhysicsList* physics = new FTFP_BERT;
 runManager->SetUserInitialization(physics);
    
 // Set user action classes through Worker Initialization
 //
 RE03ActionInitialization* actions = new RE03ActionInitialization;
 runManager->SetUserInitialization(actions);
  
 // Visualization manager
 G4VisManager* visManager = new G4VisExecutive;
 visManager->Initialize();

 // Initialize G4 kernel
 //
 runManager->Initialize();
  
 // Get the pointer to the User Interface manager
 //
 G4UImanager* UImanager = G4UImanager::GetUIpointer();  

 if (ui)   // Define UI session for interactive mode
 {
   UImanager->ApplyCommand("/control/execute vis.mac");
   ui->SessionStart();
   delete ui;
 }
 else           // Batch mode
 { 
   G4String command = "/control/execute ";
   G4String fileName = argv[1];
   UImanager->ApplyCommand(command+fileName);
 }

  // Job termination
  // Free the store: user actions, physics_list and detector_description are
  //                 owned and deleted by the run manager, so they should not
  //                 be deleted in the main() program !

 delete visManager;
 delete runManager;

 return 0;
}