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//
#include "G4DNADamage.hh"
#include "G4UnitsTable.hh"

G4ThreadLocal G4DNADamage* G4DNADamage::fpInstance(nullptr);

G4DNAIndirectHit::G4DNAIndirectHit(const G4String& baseName,
                                   const G4Molecule* molecule,
                                   const G4ThreeVector& position,
                                   G4double time) :
    G4VDNAHit(), fpMolecule(molecule)
{
  fBaseName = baseName;
  fPosition = position;
  fTime = time;
}

G4DNAIndirectHit::~G4DNAIndirectHit()
{
  if (fpMolecule != nullptr) delete fpMolecule;
  fpMolecule = nullptr;
}

void G4DNAIndirectHit::Print()
{
  G4cout << "Reaction : " << fpMolecule->GetName() << " + " << fBaseName
         << " at position : " << G4BestUnit(fPosition, "Length")
         << " and time : " << G4BestUnit(fTime, "Time") << G4endl;
}

G4DNADamage* G4DNADamage::Instance()
{
  if (fpInstance == nullptr) new G4DNADamage();

  return fpInstance;
}

G4DNADamage::G4DNADamage()
{
  fJustCountDamage = false;
  fNIndirectDamage = 0;
  fpInstance = this;
}

G4DNADamage::~G4DNADamage()
{
  for (G4int i = 0; i < (G4int) fIndirectHits.size(); ++i)
  {
    if (fIndirectHits[i]) delete fIndirectHits[i];
  }
  fIndirectHits.clear();
}

void G4DNADamage::DeleteInstance()
{
  if (fpInstance) delete fpInstance;
  fpInstance = nullptr;
}

void G4DNADamage::Reset()
{
  fNIndirectDamage = 0;
  for (G4int i = 0; i < (G4int) fIndirectHits.size(); ++i)
  {
    if (fIndirectHits[i]) delete fIndirectHits[i];
  }
  fIndirectHits.clear();
}

void G4DNADamage::AddIndirectDamage(const G4String& baseName,
                                    const G4Molecule* molecule,
                                    const G4ThreeVector& position,
                                    G4double time)
{
  if (fJustCountDamage)
  {
    fNIndirectDamage++;
    return;
  }

  G4DNAIndirectHit* indirectHit = nullptr;
  auto it = fMolMap.find(*molecule);

  if (it == fMolMap.cend())
  {
    G4Molecule* mol(nullptr);
    fMolMap[*molecule] = (mol = new G4Molecule(*molecule));
    indirectHit = new G4DNAIndirectHit(baseName, mol, position, time);
  }
  else
  {
    indirectHit = new G4DNAIndirectHit(baseName, it->second, position, time);
  }
  fIndirectHits.push_back(indirectHit);
}