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// ********************************************************************
//
//  CaTS (Calorimetry and Tracking Simulation)
//
//  Authors : Hans Wenzel
//            Soon Yung Jun
//            (Fermi National Accelerator Laboratory)
//
// History
//   October 18th, 2021 : first implementation
//
// ********************************************************************
//
/// \file lArTPCHit.hh
/// \brief Definition of the CaTS::lArTPCHit class

#pragma once

#include "G4VHit.hh"
#include "G4THitsCollection.hh"
#include "G4Allocator.hh"
#include "G4Types.hh"
#include "G4ios.hh"

class lArTPCHit : public G4VHit
{
 public:
  lArTPCHit();
  ~lArTPCHit() = default;
  lArTPCHit(G4double fe, G4double fx, G4double fy, G4double fz);
  lArTPCHit(const lArTPCHit&);
  const lArTPCHit& operator=(const lArTPCHit&);
  G4bool operator==(const lArTPCHit&) const;
  inline void* operator new(size_t);
  inline void operator delete(void*);
  void Draw() final;
  inline void Print() final
  {
    G4cout << "lArTPCHit Nr. of electrons: " << fElectrons
           << "  x position [mm]: " << fPosX << "  y position [mm]: " << fPosY
           << "  z position [mm]: " << fPosZ << G4endl;
  }

  void SetElectrons(G4double de) { fElectrons = de; };
  void SetPosX(G4double x) { fPosX = x; };
  void SetPosY(G4double y) { fPosY = y; };
  void SetPosZ(G4double z) { fPosZ = z; };
  G4double GetEdep() { return fElectrons; };
  G4double GetPosX() { return fPosX; };
  G4double GetPosY() { return fPosY; };
  G4double GetPosZ() { return fPosZ; };

 private:
  G4double fElectrons{ 0 };
  G4double fPosX{ 0 };
  G4double fPosY{ 0 };
  G4double fPosZ{ 0 };
};

using lArTPCHitsCollection = G4THitsCollection<lArTPCHit>;
extern G4ThreadLocal G4Allocator<lArTPCHit>* lArTPCHitAllocator;

inline void* lArTPCHit::operator new(size_t)
{
  if(!lArTPCHitAllocator)
  {
    lArTPCHitAllocator = new G4Allocator<lArTPCHit>;
  }
  return (void*) lArTPCHitAllocator->MallocSingle();
}

inline void lArTPCHit::operator delete(void* aHit)
{
  lArTPCHitAllocator->FreeSingle((lArTPCHit*) aHit);
}