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/// \file RE02.cc
/// \brief Main program of the runAndEvent/RE02 example

#include "QGS_BIC.hh"
#include "RE02ActionInitialization.hh"
#include "RE02DetectorConstruction.hh"

#include "G4RunManagerFactory.hh"
#include "G4SystemOfUnits.hh"
#include "G4UIExecutive.hh"
#include "G4UImanager.hh"
#include "G4VisExecutive.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);
  }

  auto* runManager = G4RunManagerFactory::CreateRunManager();

  // UserInitialization classes (mandatory)
  //---
  //  Create Detector
  RE02DetectorConstruction* detector = new RE02DetectorConstruction;
  detector->SetPhantomSize(G4ThreeVector(200 * mm, 200 * mm, 400 * mm));  // Default
  detector->SetNumberOfSegmentsInPhantom(100, 100, 200);  // Default
  //  If your machine does not have enough memory,
  //  please try to reduce Number of Segements in phantom.
  // detector->SetNumberOfSegmentsInPhantom(1,1,100);  // For small memory size.
  //
  detector->SetLeadSegment(TRUE);  // Default (Water and Lead)
  // Water and Lead segments are placed alternately, by defult.,
  //  If you want to simulation homogeneous water phantom, please set it FALSE.
  // detector->SetLeadSegment(FALSE); // Homogeneous water phantom
  //
  runManager->SetUserInitialization(detector);
  //
  runManager->SetUserInitialization(new QGS_BIC());

  // Visualization, if you choose to have it!
  G4VisManager* visManager = new G4VisExecutive;
  visManager->Initialize();

  // UserAction classes
  runManager->SetUserInitialization(new RE02ActionInitialization);

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

  // get the pointer to the User Interface manager
  G4UImanager* pUI = G4UImanager::GetUIpointer();

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

  delete visManager;
  delete runManager;

  return 0;
}

//