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#include "F04EventAction.hh"

#include "F04RunAction.hh"

#include "F04EventActionMessenger.hh"

#include "G4Event.hh"
#include "G4EventManager.hh"
#include "G4Trajectory.hh"
#include "G4TrajectoryContainer.hh"
#include "G4VVisManager.hh"
#include "Randomize.hh"

F04EventAction::F04EventAction(F04RunAction* RA)
 : runaction(RA), verboselevel(0),
   printModulo(10), drawFlag("all")
{
  eventMessenger = new F04EventActionMessenger(this);
}

F04EventAction::~F04EventAction()
{
  delete eventMessenger;
}

void F04EventAction::BeginOfEventAction(const G4Event* evt)
{
 G4int evtNb = evt->GetEventID();
 if (evtNb%printModulo == 0) 
    G4cout << "\n---> Begin of Event: " << evtNb << G4endl;
     
 if(verboselevel>0)
    G4cout << "<<< Event  " << evtNb << " started." << G4endl;
}

void F04EventAction::EndOfEventAction(const G4Event* evt)
{
  G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance();

  if(pVVisManager)
  {
   G4TrajectoryContainer* trajectoryContainer = evt->GetTrajectoryContainer();

   G4int n_trajectories = 0;

   if (trajectoryContainer) n_trajectories = trajectoryContainer->entries();  
   for(G4int i=0; i<n_trajectories; i++) 
      { G4Trajectory* trj = (G4Trajectory *)((*(evt->GetTrajectoryContainer()))[i]);
        if (drawFlag == "all") trj->DrawTrajectory(50);
        else if ((drawFlag == "charged")&&(trj->GetCharge() != 0.))
                               trj->DrawTrajectory(50); 
      }
  }  

  if (verboselevel>0)
     G4cout << "<<< Event  " << evt->GetEventID() << " ended." << G4endl;
  
  if (runaction->GetRndmFreq() == 2)
    { 
     CLHEP::HepRandom::saveEngineStatus("endOfEvent.rndm");   
     G4int evtNb = evt->GetEventID();
     if (evtNb%printModulo == 0)
       { 
        G4cout << "\n---> End of Event: " << evtNb << G4endl;
        CLHEP::HepRandom::showEngineStatus();
       }
    }     
}

G4int F04EventAction::GetEventNo()
{
  G4int evno = fpEventManager->GetConstCurrentEvent()->GetEventID();
  return evno ;
}

void F04EventAction::SetEventVerbose(G4int level)
{
  verboselevel = level ;
}