#include "G4RunManager.hh"
#include "G4UImanager.hh"
#include "G4UIterminal.hh"
#include "G4UItcsh.hh"
#include "G4VSteppingVerbose.hh"

#ifdef G4UI_USE_XM
#include "G4UIXm.hh"
#endif

#include "Randomize.hh"

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

#include "DetectorConstruction.hh"
#include "PhysicsList.hh" // include for Geant Version 9
#include "PrimaryGeneratorAction.hh"
#include "RunAction.hh"
#include "EventAction.hh"
#include "SteppingAction.hh"
#include "SteppingVerbose.hh"
#include "EventActionMessenger.hh"
#include "DetectorMessenger.hh"
#include "G4PhysListFactory.hh"
#include "G4ScoringManager.hh"
#include "FTFP_BERT.hh"
#include "QGSP_BERT_HP.hh"
#include "G4EmDNAPhysics.hh"
#include "QGSP_BIC_HP.hh"

#include <vector>

int main(int argc,char** argv) {

  // choose the Random engine
  //HepRandom::setTheEngine(new RanecuEngine); //Geant 4.9
  CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine);

   SteppingVerbose* stepping_verbose = new  SteppingVerbose();
  //G4VSteppingVerbose::SetInstance(new  SteppingVerbose);
  G4VSteppingVerbose::SetInstance(stepping_verbose);

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

  //Activate command-based scorer
    G4ScoringManager* scoringManager = G4ScoringManager::GetScoringManager();

  // set mandatory initialization classes
   DetectorConstruction* detector = new  DetectorConstruction;
   DetectorMessenger* detectorMessenger = new  DetectorMessenger(detector);
  runManager->SetUserInitialization(detector);


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

  G4String command, fileName;

  G4cout << "argc = " << argc << G4endl;
  if (argc==3) {
    command = "/control/execute ";
    fileName = argv[2];
    UI->ApplyCommand(command+fileName);
  }
  
  //Geant Version 9 (user defined physics list)
  //  runManager->SetUserInitialization(new  PhysicsList);

  //Geant Version 10 (predefined physics list, as from example B4a)
  //G4VModularPhysicsList* physicsList = new FTFP_BERT;
   G4VModularPhysicsList* physicsList = new QGSP_BERT_HP;
  //G4VModularPhysicsList* physicsList = new G4EmDNAPhysics;
  // G4VModularPhysicsList* physicsList = new QGSP_BIC_HP;
   runManager->SetUserInitialization(physicsList);

 G4UIsession* session=0;
  
  if (argc==1)   // Define UI session for interactive mode.
    {
      // G4UIterminal is a (dumb) terminal.
#ifdef G4UI_USE_XM
      session = new G4UIXm(argc,argv);
#else           
#ifdef G4UI_USE_TCSH
      session = new G4UIterminal(new G4UItcsh);      
#else
      session = new G4UIterminal();
#endif
#endif
    }
  
#ifdef G4VIS_USE
  // visualization manager
  G4VisManager* visManager = new G4VisExecutive;
  visManager->Initialize();
#endif
    
  // set user action classes
   PrimaryGeneratorAction* pga = new  PrimaryGeneratorAction;
  runManager->SetUserAction(pga);
  //runManager->SetUserAction(new  RunAction);
  //runManager->SetUserAction(new  EventAction(pga));

   RunAction* run_action = new  RunAction;  
  runManager->SetUserAction(run_action);

   EventAction* event_action = new  EventAction(pga);
  runManager->SetUserAction(event_action);

   EventActionMessenger* messenger = new  EventActionMessenger(event_action, stepping_verbose);
 
   SteppingAction* stepping_action = new  SteppingAction(detector, event_action);
  runManager->SetUserAction(stepping_action);
  
  //Initialize G4 kernel
  runManager->Initialize();

  // Define UI session for interactive mode.
  if(session) {

      // G4UIterminal is a (dumb) terminal.
      UI->ApplyCommand("/control/execute inter_60MeV.mac");       
      session->SessionStart();
      delete session;
    }
  // Batch mode
  else
    { 
      command = "/control/execute ";
      fileName = argv[1];
      UI->ApplyCommand(command+fileName);
    }


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

  return 0;
}