//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
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// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************

#include "G4UImanager.hh"
#include "G4UIterminal.hh"
#include "G4UItcsh.hh"
#include "G4PhysListFactory.hh"
#include "G4VModularPhysicsList.hh"
#include "G4UnitsTable.hh"
#include "G4UImessenger.hh"
#include "globals.hh"
#include <time.h>
#include "HistoManager.hh"
#include "ActionInitialization.hh"
#include "PhysicsList.hh"
#include "MaterialDefinitions.hh"

#include "BeamlineConstruction.hh"
#include "IThembaBeamline.hh"

#include "G4VModularPhysicsList.hh"
#include "QGSP_BIC.hh"
#include "QGSP_BIC_HP.hh"
#include "QBBC.hh"

namespace CLHEP {}
  using namespace CLHEP;
	
#ifdef G4MULTITHREADED
#include "G4MTRunManager.hh"
#else
#include "G4RunManager.hh"
#endif

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

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

#ifdef G4ANALYSIS_USE_ROOT
#include "TApplication.h"
#endif
	

// *********************************************************************************************************
int main(int argc ,char ** argv)
// --------------------------------------------------------------------------------------------------------- 
{
  
  G4String macro;
  G4String session;
#ifdef G4MULTITHREADED
  G4int nThreads = 1;
#endif
  for ( G4int i=1; i<argc; i=i+2 ) {
    if      ( G4String(argv[i]) == "-m" ) macro = argv[i+1];
    else if ( G4String(argv[i]) == "-u" ) session = argv[i+1];
#ifdef G4MULTITHREADED
    else if ( G4String(argv[i]) == "-t" ) {
      nThreads = G4UIcommand::ConvertToInt(argv[i+1]);
    }
#endif
    else {
      G4cerr << "Add usage notes here" << G4endl;
      return 1;
    }
  }  
  MaterialDefinitions* materials = new MaterialDefinitions();
  materials->DefineMaterials();
  
  // Create speed & emittance units (not included by default)
  new G4UnitDefinition ( "meter/second", "m/s", "Speed", m/s );
  new G4UnitDefinition ( "millimeter*milliradian", "mm*mrad", "Emittance", mm*mrad );
  G4UnitDefinition::BuildUnitsTable();

  // new way to make Geant4 actually take a random seed!
  CLHEP::RanluxEngine defaultEngine(1234567, 4);
  G4Random::setTheEngine( &defaultEngine );
  G4int seed = time(NULL);
  G4Random::setTheSeed(seed);
  
		 
#ifdef G4MULTITHREADED
		G4MTRunManager* runManager = new G4MTRunManager;
		runManager->SetNumberOfThreads(nThreads);
#else
		G4RunManager* runManager = new G4RunManager;
#endif

  BeamlineConstruction* beamline = new BeamlineConstruction();
//		IThembaBeamline* beamline = new IThembaBeamline();
  runManager->SetUserInitialization(beamline);
     	
  // Initialize the physics   
	 G4VModularPhysicsList* physList = 0;
	 //PhysicsList* physList = new PhysicsList();  
  //physList->AddPhysicsList("QGSP_BIC_EMY");  
	physList = new QGSP_BIC();
  runManager->SetUserInitialization(physList);


#ifdef G4MULTITHREADED
	if(nThreads<=1)
	  new HistoManager();
#else
		new HistoManager();
#endif  
  
  // Optional UserActions: run, event, stepping
  // NOW ALL NEEDS TO BE DONE INSTIDWE ACTIONINITIALIZATION	 	
  runManager -> SetUserInitialization(new ActionInitialization);
  	
  // INITIALIZE THE RUN MANAGER
  /// NOTE: do not initialize here until I have figured out why the fuck things dont work when I do!
  //runManager->Initialize();

	
#ifdef G4VIS_USE
  // Initialize visualization
  G4VisManager* visManager = new G4VisExecutive;
  // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
  // G4VisManager* visManager = new G4VisExecutive("Quiet");
  visManager->Initialize();
#endif

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

  if ( macro.size() ) {
    // batch mode
    G4String command = "/control/execute ";
    UImanager->ApplyCommand(command+macro);
  }
  else  {  
    // interactive mode : define UI session
#ifdef G4UI_USE
    G4UIExecutive* ui = new G4UIExecutive(argc, argv, session);
#ifdef G4VIS_USE
    UImanager->ApplyCommand("/control/execute macro/vis.mac"); 
#else
    UImanager->ApplyCommand("/control/execute macro/vis.mac"); 
#endif
    if (ui->IsGUI())
      UImanager->ApplyCommand("/control/execute macro/vis.mac");//run_iThemba191.mac");
    ui->SessionStart();
    delete ui;
#endif
    
#ifdef G4VIS_USE
  delete visManager;
#endif
  }

/// delete runManager;
	
  return 0;
}