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// Hadronic Process: High Precision low E neutron tracking
// original by H.P. Wellisch, TRIUMF, 14-Feb-97
// Builds and has the Cross-section data for one material.
// P. Arce, June-2014 Conversion neutron_hp to particle_hp
//
#ifndef G4ParticleHPElastic_h
#define G4ParticleHPElastic_h 1

// Class Description
// Final state production model for a high precision (based on evaluated data
// libraries) description of neutron elastic scattering below 20 MeV;
// To be used in your physics list in case you need this physics.
// In this case you want to register an object of this class with
// the corresponding process.
// Class Description - End

#include "G4HadronicInteraction.hh"
#include "G4ParticleHPChannel.hh"
#include "globals.hh"

class G4ParticleHPElastic : public G4HadronicInteraction
{
  public:
    G4ParticleHPElastic();

    ~G4ParticleHPElastic() override;

    G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack,
                                   G4Nucleus& aTargetNucleus) override;
    G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& aTargetNucleus,
                                   G4bool isFromTSL);

    const std::pair<G4double, G4double> GetFatalEnergyCheckLevels() const override;

    // G4int GetNiso() {return theElastic[0].GetNiso();}
    G4int GetNiso() { return ((*theElastic)[0])->GetNiso(); };

    void DoNotSuspend() { overrideSuspension = true; }

  public:
    G4int GetVerboseLevel() const;
    void SetVerboseLevel(G4int);
    void BuildPhysicsTable(const G4ParticleDefinition&) override;
    void ModelDescription(std::ostream& outFile) const override;

  private:
    std::vector<G4ParticleHPChannel*>* theElastic{nullptr};

    G4String dirName;
    G4int numEle{0};
    G4bool overrideSuspension;
};

#endif
