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/// \file hadronic/Hadr02/Hadr02.cc
/// \brief Main program of the hadronic/Hadr02 example
//
// $Id: Hadr02.cc 77519 2013-11-25 10:54:57Z gcosmo $
//
// -------------------------------------------------------------
//      GEANT4 Hadr02
//
//  Application demonstrating Geant4 hadronic cross sections
//
//  Author: V.Ivanchenko 20 June 2008
//
//  Modified: 
//
// -------------------------------------------------------------
//
//
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#include "G4RunManager.hh"
#include "G4UImanager.hh"
#include "Randomize.hh"

#include "DetectorConstruction.hh"
#include "G4PhysListFactory.hh"
#include "G4VModularPhysicsList.hh"
#include "PrimaryGeneratorAction.hh"

#include "RunAction.hh"
#include "EventAction.hh"
#include "StackingAction.hh"
#include "HistoManager.hh"

#ifdef G4VIS_USE
#include "G4VisExecutive.hh"
#endif

#ifdef G4UI_USE
#include "G4UIExecutive.hh"
#endif

#include "UrQMD.hh"
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int main(int argc,char** argv) {

  //choose the Random engine
  CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine());

  //Construct the default run manager
  G4RunManager * runManager = new G4RunManager();

  //set mandatory initialization classes
  runManager->SetUserInitialization(new DetectorConstruction());

  G4PhysListFactory factory;
  G4VModularPhysicsList* phys = 0;

  // default Physics List for this example
  G4String physName = "QBBC";

  // Physics List name defined via 2nd argument
  if (argc==3) { physName = argv[2]; }
  else {
    char* path = getenv("PHYSLIST");
    if (path) { physName = G4String(path); }
  }
  if ( physName == "UrQMD" ) { phys = new UrQMD; }
  else { phys = factory.GetReferencePhysList(physName); }

  // Physics List is defined via environment variable PHYSLIST
  if(!phys) {
    G4cout << "Hadr02 FATAL ERROR: Physics List is not defined"
           << G4endl;
    return 1;
  }
  runManager->SetUserInitialization(phys);
  HistoManager::GetPointer()->SetPhysicsList(phys);

  runManager->SetUserAction(new PrimaryGeneratorAction());

  //set user action classes
  runManager->SetUserAction(new RunAction());
  runManager->SetUserAction(new EventAction());
  runManager->SetUserAction(new StackingAction());

  //get the pointer to the User Interface manager
  G4UImanager* UImanager = G4UImanager::GetUIpointer();
#ifdef G4VIS_USE
   G4VisManager* visManager = 0;
#endif

  if (argc==1)   // Define UI terminal for interactive mode
    {
#ifdef G4VIS_USE
      //visualization manager
      visManager = new G4VisExecutive;
      visManager->Initialize();
#endif
#ifdef G4UI_USE
      G4UIExecutive* ui = new G4UIExecutive(argc, argv);
      ui->SessionStart();
      delete ui;
#endif
    }
  else           // Batch mode
    {
     G4String command = "/control/execute ";
     G4String fileName = argv[1];
     UImanager->ApplyCommand(command+fileName);
    }

  //job termination
#ifdef G4VIS_USE
   delete visManager;
#endif
  delete runManager;

  return 0;
}

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