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//
/// \file runAndEvent/RE04/RE04.cc
/// \brief Main program of the runAndEvent/RE04 example
//
//
#include "G4Types.hh"

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

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

#include "RE04ActionInitialization.hh"
#include "RE04DetectorConstruction.hh"
#include "RE04ParallelWorldConstruction.hh"

#include "FTFP_BERT.hh"
#include "G4ParallelWorldPhysics.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();
 
 G4ScoringManager::GetScoringManager();

 G4String paraWorldName = "ParallelWorld";

 // Set mandatory initialization classes
 //
 RE04DetectorConstruction* realWorld = new RE04DetectorConstruction;
 RE04ParallelWorldConstruction* parallelWorld
   = new RE04ParallelWorldConstruction(paraWorldName);
 realWorld->RegisterParallelWorld(parallelWorld);
 runManager->SetUserInitialization(realWorld);
 //
 G4VModularPhysicsList* physicsList = new FTFP_BERT;
 physicsList->RegisterPhysics
       (new G4ParallelWorldPhysics(paraWorldName,true));
 runManager->SetUserInitialization(physicsList);

 // Set user action classes
 //
 runManager->SetUserInitialization(new RE04ActionInitialization);

 // Visualization manager
 //
 G4VisManager* visManager = new G4VisExecutive;
 visManager->Initialize();

 // Initialize G4 kernel
 //
 runManager->Initialize();

 // Get the pointer to the User Interface manager
 //
 G4UImanager* pUImanager = G4UImanager::GetUIpointer();

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

 delete visManager;
 delete runManager;

 return 0;
}
