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

#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

#include "G4Material.hh"
#include "G4ThreeVector.hh"
#include "G4VPhysicalVolume.hh"
#include "G4VUserDetectorConstruction.hh"
#include "globals.hh"
#include "G4Threading.hh"

class G4Tubs;
class G4LogicalVolume;
class DetectorMessenger;
class G4GlobalMagFieldMessenger;

const G4int kMaxBin = 500;

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

  public:
    void SetMaterial(const G4String&);
    void SetLBining(const G4ThreeVector&);
    void SetRBining(const G4ThreeVector&);

    G4VPhysicalVolume* Construct() override;

    void ConstructSDandField() override;

    const G4VPhysicalVolume* GetEcal() const { return fPhysiEcal; };
    const G4Material* GetMaterial() const { return fMaterial; };

    // Subdivision of absorber
    G4int GetnLtot() const { return fNLtot; };
    G4int GetnRtot() const { return fNRtot; };
    G4double GetdLradl() const { return fDLradl; };
    G4double GetdRradl() const { return fDRradl; };
    G4double GetdLlength() const { return fDLlength; };
    G4double GetdRlength() const { return fDRlength; };
    G4double GetfullLength() const { return fEcalLength; };
    G4double GetfullRadius() const { return fEcalRadius; };

  private:
    void DefineMaterials();
    void UpdateParameters();

    G4int fNLtot = 40, fNRtot = 50;  // nb of bins: longitudinal and radial
    G4double fDLradl = 0.5, fDRradl = 0.1;  // bin thickness (in radl unit)
    G4double fDLlength = 0., fDRlength = 0.;  // bin thickness (in length unit)

    G4Material* fMaterial = nullptr;  // pointer to the material

    G4double fEcalLength = 0.;  // full length of the Calorimeter
    G4double fEcalRadius = 0.;  // radius  of the Calorimeter

    G4Tubs* fSolidEcal = nullptr;  // pointer to the solid calorimeter
    G4LogicalVolume* fLogicEcal = nullptr;  // pointer to the logical calorimeter
    G4VPhysicalVolume* fPhysiEcal = nullptr;  // pointer to the physical calorimeter

    DetectorMessenger* fDetectorMessenger = nullptr;  // pointer to the Messenger

    // global field manager
    static G4ThreadLocal G4GlobalMagFieldMessenger* fMagFieldMessenger;

};

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#endif