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/// \file ExGflashDetectorConstruction.hh
/// \brief Definition of the ExGflashDetectorConstruction class

#ifndef ExGflashDetectorConstruction_h
#define ExGflashDetectorConstruction_h 1

#include "ExGflashSensitiveDetector.hh"

#include "G4Cache.hh"
#include "G4ThreeVector.hh"
#include "G4VUserDetectorConstruction.hh"
#include "globals.hh"

class G4LogicalVolume;
class G4VPhysicalVolume;
class G4Material;
class G4Region;

class GFlashHomoShowerParameterisation;
class GFlashShowerModel;
class GFlashHitMaker;
class GFlashParticleBounds;
class ExGflashMessenger;

class ExGflashDetectorConstruction : public G4VUserDetectorConstruction
{
  public:
    ExGflashDetectorConstruction();
    ~ExGflashDetectorConstruction() override;

    G4VPhysicalVolume* Construct() override;
    void ConstructSDandField() override;

    void SetLBining(G4ThreeVector);
    void SetRBining(G4ThreeVector);

    void SetVerbose(G4int val) { fVerbose = val; }

    void SetMaterial(G4String mat);

    G4int GetVerbose() const { return fVerbose; }

    G4int GetnLtot() const { return fNLtot; }
    G4int GetnRtot() const { return fNRtot; }
    G4double GetdLradl() const { return fDLradl; }
    G4double GetdRradl() const { return fDRradl; }

    G4double GetSDRadLen() const { return fSDRadLen; }
    G4double GetSDRm() const { return fSDRm; }

    G4int GetNbOfCrystals() const { return fNbOfCrystals; }

    G4double GetCrystalWidth() const { return fCrystalWidth; }
    G4double GetCrystalLength() const { return fCrystalLength; }

    void SetNbOfCrystals(G4int n) { fNbOfCrystals = n; }

    void SetCrystalWidth(G4double cw) { fCrystalWidth = cw; }
    void SetCrystalLength(G4double cl) { fCrystalLength = cl; }

  private:
    void DefineMaterials();

    G4int fNbOfCrystals{10};  // cube of nb x nb crystals

    G4double fCrystalWidth;  // x,y size
    G4double fCrystalLength;  // z size

    G4LogicalVolume* fCrystal_log{nullptr};
    G4Material* fDetMat{nullptr};
    G4Material* fHallMat{nullptr};

    G4Region* fRegion{nullptr};

    G4double fSDRadLen{1.0};  // SD material Rad Length
    G4double fSDRm{1.0};  // SD material Moliere Radius

    G4int fVerbose{1};

    G4int fNLtot{112}, fNRtot{80};  // nb of bins: longitudinal and radial
    G4double fDLradl{0.25}, fDRradl{0.05};  // bin thickness (in fraction of radl)

    ExGflashMessenger* fGflashMessenger{nullptr};

    inline static G4ThreadLocal GFlashShowerModel* fFastShowerModel = nullptr;
    inline static G4ThreadLocal GFlashHomoShowerParameterisation* fParameterisation = nullptr;
    inline static G4ThreadLocal GFlashParticleBounds* fParticleBounds = nullptr;
    inline static G4ThreadLocal GFlashHitMaker* fHitMaker = nullptr;
};

#endif