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/// \file dicom2.cc
/// \brief Main program of the DICOM/DICOM2 example

#include "Dicom2ActionInitialization.hh"
#include "DicomIntersectVolume.hh"
#include "DicomNestedParamDetectorConstruction.hh"
#include "DicomPartialDetectorConstruction.hh"
#include "DicomRegularDetectorConstruction.hh"
#include "QBBC.hh"
#include "QGSP_BIC.hh"
#include "Shielding.hh"

#include "G4GenericPhysicsList.hh"
#include "G4RunManagerFactory.hh"
#include "G4Timer.hh"
#include "G4Types.hh"
#include "G4UIExecutive.hh"
#include "G4UImanager.hh"
#include "G4VisExecutive.hh"
#include "G4tgrMessenger.hh"
#include "Randomize.hh"
#include "globals.hh"
#ifdef G4_DCMTK
#  include "DicomFileMgr.hh"
#else
#  include "DicomHandler.hh"
#endif

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

int main(int argc, char** argv)
{
  // Detect interactive mode (if no arguments) and define UI session
  //
  G4UIExecutive* ui = 0;
  if (argc == 1) ui = new G4UIExecutive(argc, argv);

  new G4tgrMessenger;
  char* part = std::getenv("DICOM_PARTIAL_PARAM");
  G4bool bPartial = (part && G4String(part) == "1") ? true : false;

  CLHEP::HepRandom::setTheEngine(new CLHEP::MixMaxRng);
  CLHEP::HepRandom::setTheSeed(G4long(24534575684783));
  G4long seeds[2];
  seeds[0] = G4long(534524575674523);
  seeds[1] = G4long(526345623452457);
  CLHEP::HepRandom::setTheSeeds(seeds);

  // Construct the default run manager
  G4int nthreads = G4GetEnv<G4int>("DICOM_NTHREADS", G4Thread::hardware_concurrency());
  auto* runManager = G4RunManagerFactory::CreateRunManager();
  runManager->SetNumberOfThreads(nthreads);

  G4cout << "\n\n\tDICOM2 running with " << runManager->GetNumberOfThreads() << " threads\n\n"
         << G4endl;

  DicomDetectorConstruction* theGeometry = 0;

#ifdef G4_DCMTK
  DicomFileMgr* theFileMgr = 0;
#else
  DicomHandler* dcmHandler = 0;
#endif

  if (!bPartial) {
#ifdef G4_DCMTK
    G4String inpfile = "Data.dat";
    char* env_inpfile = std::getenv("DICOM_INPUT_FILE");
    if (env_inpfile) inpfile = env_inpfile;

    theFileMgr = DicomFileMgr::GetInstance();
    theFileMgr->Convert(inpfile);
#else
    // Treatment of DICOM images before creating the G4runManager
    dcmHandler = DicomHandler::Instance();
    dcmHandler->CheckFileFormat();
#endif

    // Initialisation of physics, geometry, primary particles ...
    char* nest = std::getenv("DICOM_NESTED_PARAM");
    if (nest && G4String(nest) == "1") {
      theGeometry = new DicomNestedParamDetectorConstruction();
    }
    else {
      theGeometry = new DicomRegularDetectorConstruction();
    }
  }
  else {
    theGeometry = new DicomPartialDetectorConstruction();
  }
  runManager->SetUserInitialization(theGeometry);

  //    std::vector<G4String>* MyConstr = new std::vector<G4String>;
  //    MyConstr->push_back("G4EmStandardPhysics");
  //    G4VModularPhysicsList* phys = new G4GenericPhysicsList(MyConstr);
  G4VModularPhysicsList* phys = new Shielding();
  phys->SetDefaultCutValue(0.5 * CLHEP::mm);
  runManager->SetUserInitialization(phys);

  // User action initialization
  runManager->SetUserInitialization(new Dicom2ActionInitialization());

  runManager->Initialize();

  new DicomIntersectVolume();

  // Initialize visualization
  //
  G4VisManager* visManager = new G4VisExecutive;
  // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
  // G4VisManager* visManager = new G4VisExecutive("Quiet");
  visManager->Initialize();

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

  G4Timer t;
  t.Start();

  // Process macro or start UI session
  //
  if (!ui) {
    // batch mode
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    UImanager->ApplyCommand(command + fileName);
  }
  else {
    // interactive mode
    UImanager->ApplyCommand("/control/execute vis.mac");
    ui->SessionStart();
    delete ui;
  }

  t.Stop();

  // 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;

  if (!bPartial) {
#ifdef G4_DCMTK
    delete theFileMgr;
#endif
  }

  G4cout << "\n[" << argv[0] << "] Primary execution time: " << t << "\n" << G4endl;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
