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

#ifndef LXeDetectorConstruction_h
#define LXeDetectorConstruction_h 1

#include "LXeDetectorMessenger.hh"

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

#include <CLHEP/Units/SystemOfUnits.h>

class LXeMainVolume;
class LXePMTSD;
class LXeScintSD;

class G4Box;
class G4Element;
class G4LogicalVolume;
class G4Material;
class G4MaterialPropertiesTable;
class G4Sphere;
class G4Tubs;
class G4VPhysicalVolume;

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

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

    // Functions to modify the geometry
    void SetDimensions(G4ThreeVector);
    void SetHousingThickness(G4double);
    void SetNX(G4int);
    void SetNY(G4int);
    void SetNZ(G4int);
    void SetPMTRadius(G4double);
    void SetDefaults();
    void SetSaveThreshold(G4int);

    // Get values
    G4int GetNX() const { return fNx; };
    G4int GetNY() const { return fNy; };
    G4int GetNZ() const { return fNz; };
    G4int GetSaveThreshold() const { return fSaveThreshold; };
    G4double GetScintX() const { return fScint_x; }
    G4double GetScintY() const { return fScint_y; }
    G4double GetScintZ() const { return fScint_z; }
    G4double GetHousingThickness() const { return fD_mtl; }
    G4double GetPMTRadius() const { return fOuterRadius_pmt; }
    G4double GetSlabZ() const { return fSlab_z; }

    void SetSphereOn(G4bool);
    static G4bool GetSphereOn() { return fSphereOn; }

    void SetHousingReflectivity(G4double);
    G4double GetHousingReflectivity() const { return fRefl; }

    void SetWLSSlabOn(G4bool b);
    G4bool GetWLSSlabOn() const { return fWLSslab; }

    void SetMainVolumeOn(G4bool b);
    G4bool GetMainVolumeOn() const { return fMainVolumeOn; }

    void SetNFibers(G4int n);
    G4int GetNFibers() const { return fNfibers; }

    void SetMainScintYield(G4double);
    void SetWLSScintYield(G4double);

  private:
    void DefineMaterials();

    LXeDetectorMessenger* fDetectorMessenger = nullptr;

    G4Box* fExperimentalHall_box = nullptr;
    G4LogicalVolume* fExperimentalHall_log = nullptr;
    G4VPhysicalVolume* fExperimentalHall_phys = nullptr;

    // Materials & Elements
    G4Element* fN = nullptr;
    G4Element* fO = nullptr;
    G4Element* fC = nullptr;
    G4Element* fH = nullptr;
    G4Material* fLXe = nullptr;
    G4Material* fAl = nullptr;
    G4Material* fAir = nullptr;
    G4Material* fVacuum = nullptr;
    G4Material* fGlass = nullptr;
    G4Material* fPstyrene = nullptr;
    G4Material* fPMMA = nullptr;
    G4Material* fPethylene1 = nullptr;
    G4Material* fPethylene2 = nullptr;

    // Geometry
    G4double fScint_x = 17.8 * CLHEP::cm;
    G4double fScint_y = 17.8 * CLHEP::cm;
    G4double fScint_z = 22.6 * CLHEP::cm;
    G4double fD_mtl = 0.0635 * CLHEP::cm;
    G4int fNx = 2;
    G4int fNy = 2;
    G4int fNz = 3;
    G4int fSaveThreshold = 0;
    G4double fOuterRadius_pmt = 2.3 * CLHEP::cm;
    G4int fNfibers = 15;
    static G4bool fSphereOn;
    G4double fRefl = 1.;
    G4bool fWLSslab = false;
    G4bool fMainVolumeOn = true;
    G4double fSlab_z = 2.5 * CLHEP::mm;

    LXeMainVolume* fMainVolume = nullptr;

    G4MaterialPropertiesTable* fLXe_mt = nullptr;
    G4MaterialPropertiesTable* fMPTPStyrene = nullptr;

    // Sensitive Detectors
    G4Cache<LXeScintSD*> fScint_SD;
    G4Cache<LXePMTSD*> fPmt_SD;
};

#endif