//
// ********************************************************************
// * 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.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * 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.          *
// ********************************************************************
//
// G4Event class implementation
//
// Author: M.Asai, SLAC
// --------------------------------------------------------------------

#include "G4Event.hh"
#include "G4VVisManager.hh"
#include "G4VHitsCollection.hh"
#include "G4VDigiCollection.hh"
#include "G4ios.hh"

G4Allocator<G4Event>*& anEventAllocator()
{
  G4ThreadLocalStatic G4Allocator<G4Event>* _instance = nullptr;
  return _instance;
}

G4Event::G4Event(G4int evID)
  : eventID(evID)
{
}

G4Event::~G4Event()
{
  G4PrimaryVertex* nextVertex = thePrimaryVertex;
  while(nextVertex != nullptr)
  {
    G4PrimaryVertex* thisVertex = nextVertex;
    nextVertex = thisVertex->GetNext();
    thisVertex->ClearNext();
    delete thisVertex;
  }
  thePrimaryVertex = nullptr;
  delete HC;
  delete DC;
  if(trajectoryContainer != nullptr)
  {
    trajectoryContainer->clearAndDestroy();
    delete trajectoryContainer;
  }
  delete userInfo;
  delete randomNumberStatus;
  delete randomNumberStatusForProcessing;
}

G4bool G4Event::operator==(const G4Event& right) const
{
  return ( eventID == right.eventID );
}

G4bool G4Event::operator!=(const G4Event& right) const
{
  return ( eventID != right.eventID );
}

void G4Event::Print() const
{
  G4cout << "G4Event " << eventID << G4endl;
}

void G4Event::Draw() const
{
  G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance();
  if(pVVisManager == nullptr) return;

  if(trajectoryContainer != nullptr)
  {
    std::size_t n_traj = trajectoryContainer->entries();
    for(std::size_t i=0; i<n_traj; ++i)
    { (*trajectoryContainer)[i]->DrawTrajectory(); }
  }

  if(HC != nullptr)
  {
    std::size_t n_HC = HC->GetCapacity();
    for(std::size_t j=0; j<n_HC; ++j)
    {
      G4VHitsCollection* VHC = HC->GetHC((G4int)j);
      if(VHC != nullptr) VHC->DrawAllHits();
    }
  }

  if(DC != nullptr)
  {
    std::size_t n_DC = DC->GetCapacity();
    for(std::size_t j=0; j<n_DC; ++j)
    {
      G4VDigiCollection* VDC = DC->GetDC((G4int)j);
      if(VDC != nullptr) VDC->DrawAllDigi();
    }
  }
}