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#ifndef G4DNABornExcitationModel2_h
#define G4DNABornExcitationModel2_h 1

#include "G4VEmModel.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4ProductionCutsTable.hh"

//#include "G4DNACrossSectionDataSet.hh"
#include "G4LogLogInterpolation.hh"
#include "G4Electron.hh"
#include "G4Proton.hh"
#include "G4DNAWaterExcitationStructure.hh"
#include "G4NistManager.hh"

class G4PhysicsVector;

class G4DNABornExcitationModel2: public G4VEmModel
{
public:
  G4DNABornExcitationModel2(const G4ParticleDefinition* p = nullptr,
                           const G4String& nam = "DNABornExcitationModel");

  ~G4DNABornExcitationModel2() override;

  G4DNABornExcitationModel2 & operator=(const  G4DNABornExcitationModel2 &right) = delete;
  G4DNABornExcitationModel2(const  G4DNABornExcitationModel2&) = delete;

  void Initialise(const G4ParticleDefinition*,
                          const G4DataVector& = *(new G4DataVector())) override;

  G4double CrossSectionPerVolume(const G4Material* material,
                                         const G4ParticleDefinition* p,
                                         G4double ekin,
                                         G4double emin,
                                         G4double emax) override;

  G4double GetPartialCrossSection(const G4Material*,
                                          G4int level,
                                          const G4ParticleDefinition*,
                                          G4double kineticEnergy) override;

  void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                                 const G4MaterialCutsCouple*,
                                 const G4DynamicParticle*,
                                 G4double tmin,
                                 G4double maxEnergy) override;

  inline void SelectStationary(G4bool input); 

protected:

  G4ParticleChangeForGamma* fParticleChangeForGamma;

private:

  G4bool statCode;

  // Water density table
  const std::vector<G4double>* fpMolWaterDensity;

  G4bool isInitialised{false};
  G4int verboseLevel;
  const G4ParticleDefinition* fParticleDefinition;

  G4double fLowEnergy;
  G4double fHighEnergy;

  G4PhysicsTable* fTableData{nullptr};
  G4PhysicsVector* fTotalXS;
  size_t fLastBinCallForFinalXS;

  // Partial cross section
  G4int RandomSelect(G4double energy);
  
  G4DNAWaterExcitationStructure waterStructure;
   
  //
};

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4DNABornExcitationModel2::SelectStationary (G4bool input)
{ 
    statCode = input; 
}		 

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

#endif