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// 18-10-07, move definition of material index to InitialisePointers (V.Ivanchenko)
// 13-08-08, do not use fixed size arrays (V.Ivanchenko)
// 26-10-11, new scheme for G4Exception  (mma)
// 13-04-12, map<G4Material*,G4double> fMatComponents, filled in AddMaterial()
// 21-04-12, fMassOfMolecule, computed for AtomsCount (mma)

#include "G4ExtendedMaterial.hh"

#include "G4VMaterialExtension.hh"

// Constructor to create an extended material from the base-class G4Material

G4ExtendedMaterial::G4ExtendedMaterial(const G4String& name, const G4Material* baseMaterial)
  : G4Material(name, baseMaterial->GetDensity(), baseMaterial, baseMaterial->GetState(),
      baseMaterial->GetTemperature(), baseMaterial->GetPressure())
{}

// Constructor to create an extended material from single element

G4ExtendedMaterial::G4ExtendedMaterial(const G4String& name, G4double z, G4double a,
  G4double density, G4State state, G4double temp, G4double pressure)
  : G4Material(name, z, a, density, state, temp, pressure)
{}

// Constructor to create an extended material from a combination of elements
// (elements and/or materials)  added with AddElement or AddMaterial

G4ExtendedMaterial::G4ExtendedMaterial(const G4String& name, G4double density, G4int nComponents,
  G4State state, G4double temp, G4double pressure)
  : G4Material(name, density, nComponents, state, temp, pressure)
{}

// Constructor to create an extended material from the base extended material

G4ExtendedMaterial::G4ExtendedMaterial(const G4String& name, G4double density,
  const G4ExtendedMaterial* bmat, G4State state, G4double temp, G4double pressure)
  : G4Material(name, density, bmat, state, temp, pressure)
{}

// register G4VMaterialExtension

void G4ExtendedMaterial::RegisterExtension(std::unique_ptr<G4VMaterialExtension> extension)
{
  auto iter = fExtensionMap.find(extension->GetName());
  if (iter != fExtensionMap.end()) {
    G4ExceptionDescription msg;
    msg << "G4ExtendedMaterial <" << GetName() << "> already has extension for "
        << extension->GetName() << ". Extension is replaced.";
    G4Exception("G4ExtendedMaterial::RegisterExtension(...)", "MatExt001", JustWarning, msg);
  }
  fExtensionMap.insert(std::make_pair(extension->GetName(), std::move(extension)));
}

// retrieve G4VMaterialExtension, null pointer is returned if model is not available

G4VMaterialExtension* G4ExtendedMaterial::RetrieveExtension(const G4String& name)
{
  const auto iter = fExtensionMap.find(name);
  if (iter != fExtensionMap.end()) {
    return iter->second.get();
  }

  G4ExceptionDescription msg;
  msg << "G4ExtendedMAterial <" << GetName() << "> cannot find extension for " << name;
  G4Exception("G4ExtendedMaterial::RetreiveExtension(...)", "MatExt002", JustWarning, msg);
  return nullptr;
}

G4bool G4ExtendedMaterial::IsExtended() const { return true; }

void G4ExtendedMaterial::Print(std::ostream& flux) const
{
  flux << "\n Registered material extensions :\n";
  auto iter = fExtensionMap.begin();
  for (; iter != fExtensionMap.end(); iter++) {
    flux << "     " << iter->first << "\n";
  }
}