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/// \file electromagnetic/TestEm3/include/DetectorConstruction.hh
/// \brief Definition of the DetectorConstruction class
//
//
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#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

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

class G4Box;
class G4LogicalVolume;
class G4VPhysicalVolume;
class G4Material;
class DetectorMessenger;

class G4GlobalMagFieldMessenger;

const G4int kMaxAbsor = 10;  // 0 + 9

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

  public:
    void SetNbOfAbsor(G4int);
    void SetAbsorMaterial(G4int, const G4String&);
    void SetAbsorThickness(G4int, G4double);

    void SetWorldMaterial(const G4String&);
    void SetCalorSizeYZ(G4double);
    void SetNbOfLayers(G4int);

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

  public:
    void PrintCalorParameters();

    G4double GetWorldSizeX() const { return fWorldSizeX; };
    G4double GetWorldSizeYZ() const { return fWorldSizeYZ; };

    G4double GetCalorThickness() const { return fCalorThickness; };
    G4double GetCalorSizeYZ() const { return fCalorSizeYZ; };

    G4int GetNbOfLayers() const { return fNbOfLayers; };

    G4int GetNbOfAbsor() const { return fNbOfAbsor; };
    G4double GetAbsorThickness(G4int i) const { return fAbsorThickness[i]; };
    const G4Material* GetAbsorMaterial(G4int i) const { return fAbsorMaterial[i]; };

    const G4VPhysicalVolume* GetphysiWorld() const { return fPhysiWorld; };
    const G4Material* GetWorldMaterial() const { return fWorldMaterial; };
    const G4VPhysicalVolume* GetAbsorber(G4int i) const { return fPhysiAbsor[i]; };

  private:
    void DefineMaterials();
    void ComputeCalorParameters();

    G4int fNbOfAbsor = 0;
    G4Material* fAbsorMaterial[kMaxAbsor];
    G4double fAbsorThickness[kMaxAbsor];

    G4int fNbOfLayers = 0;
    G4double fLayerThickness = 0.;

    G4double fCalorSizeYZ = 0.;
    G4double fCalorThickness = 0.;

    G4Material* fWorldMaterial = nullptr;
    G4double fWorldSizeYZ = 0.;
    G4double fWorldSizeX = 0.;

    G4Box* fSolidWorld = nullptr;
    G4LogicalVolume* fLogicWorld = nullptr;
    G4VPhysicalVolume* fPhysiWorld = nullptr;

    G4Box* fSolidCalor = nullptr;
    G4LogicalVolume* fLogicCalor = nullptr;
    G4VPhysicalVolume* fPhysiCalor = nullptr;

    G4Box* fSolidLayer = nullptr;
    G4LogicalVolume* fLogicLayer = nullptr;
    G4VPhysicalVolume* fPhysiLayer = nullptr;

    G4Box* fSolidAbsor[kMaxAbsor];
    G4LogicalVolume* fLogicAbsor[kMaxAbsor];
    G4VPhysicalVolume* fPhysiAbsor[kMaxAbsor];

    DetectorMessenger* fDetectorMessenger = nullptr;
    G4Cache<G4GlobalMagFieldMessenger*> fFieldMessenger = nullptr;
};

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#endif
