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//
//
// ------------------------------------------------------------
//      GEANT 4 main program
//      CERN Geneva Switzerland
//
//
//      ------------ GammaRayTel example main program ------
//           by F.Longo, R.Giannitrapani & G.Santin (29 nov 2000)
//           See README file for details on this example
//  20.11.01 G.Santin: new analysis management, and some modification in the
//                     construction of some Action's
// ************************************************************

#include "G4Types.hh"
#include "G4RunManagerFactory.hh"
#include "G4UImanager.hh"
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"

#include "GammaRayTelActionInitializer.hh"
#include "GammaRayTelAnalysis.hh"
#include "GammaRayTelDetectorConstruction.hh"
#include "GammaRayTelPhysicsList.hh"

// #include "QGSP_BIC.hh"
#include "FTFP_BERT.hh"

// This is the main function
auto main(int argc, char **argv) -> int {
    // Construct the default run manager
    auto *runManager = G4RunManagerFactory::CreateRunManager();
    constexpr auto NUMBER_OF_THREADS{4};
    runManager->SetNumberOfThreads(NUMBER_OF_THREADS);

    // Set mandatory user initialization classes
    auto *detector = new GammaRayTelDetectorConstruction;
    runManager->SetUserInitialization(detector);
    runManager->SetUserInitialization(new GammaRayTelPhysicsList);
    // runManager->SetUserInitialization(new QGSP_BIC);
    // runManager->SetUserInitialization(new FTFP_BERT);

    // Initialize actions
    runManager->SetUserInitialization(new GammaRayTelActionInitializer());

    // Creation of the analysis manager
    auto *analysis = GammaRayTelAnalysis::getInstance();

    // Set visualization and user interface
    // Visualization manager
    G4VisManager *visManager = new G4VisExecutive;
    visManager->Initialize();

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

    // Get the pointer to the UI manager
    auto *uiManager = G4UImanager::GetUIpointer();

    if (argc == 1) { // Define UI session for interactive mode.
        auto *ui = new G4UIExecutive(argc, argv);
        G4cout << " UI session starts ..." << G4endl;
        uiManager->ApplyCommand("/control/execute prerunGammaRayTel.mac");
        ui->SessionStart();
        delete ui;
    } else { // batch mode
        G4String command = "/control/execute ";
        G4String fileName = argv[1];
        uiManager->ApplyCommand(command + fileName);
    }

    // Job termination
    delete visManager;
    delete analysis;
    delete runManager;

    return 0;
}