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

#ifndef WLSDetectorConstruction_h
#define WLSDetectorConstruction_h 1

#include "G4Cache.hh"
#include "G4RotationMatrix.hh"
#include "G4VUserDetectorConstruction.hh"
#include "globals.hh"

#include <CLHEP/Units/SystemOfUnits.h>

class WLSMaterials;
class WLSDetectorMessenger;
class WLSPhotonDetSD;

class G4Box;
class G4EllipticalTube;
class G4LogicalVolume;
class G4Material;
class G4Tubs;
class G4VisAttributes;
class G4VPhysicalVolume;

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

    G4VPhysicalVolume* Construct() override;
    G4VPhysicalVolume* ConstructDetector();

    void ConstructSDandField() override;

    // Set Material Commands for World and WLSfiber
    void SetWorldMaterial(G4String);
    void SetWLSFiberMaterial(G4String);
    void SetCoupleMaterial(G4String);

    void SetPhotonDetGeometry(G4String);
    void SetNumberOfCladding(G4int);  // Maximum 2 claddings

    void SetWLSLength(G4double);  // Total length of WLS fiber
    void SetWLSRadius(G4double);
    void SetClad1Radius(G4double);
    void SetClad2Radius(G4double);
    void SetPhotonDetHalfLength(G4double);
    void SetGap(G4double);
    void SetPhotonDetAlignment(G4double);
    // Set the ratio of x and y (x/y) radius of the ellipse
    void SetXYRatio(G4double);
    // Set the Roughness in between each layer
    void SetSurfaceRoughness(G4double);
    // Set the reflectivity of the mirror
    void SetMirrorReflectivity(G4double);
    // Set the polish of the mirror
    void SetMirrorPolish(G4double);
    // Set the reflectivity of the mirror
    void SetPhotonDetReflectivity(G4double);
    // Set the polish of the mirror
    void SetPhotonDetPolish(G4double);

    void SetMirror(G4bool);

    void SetBarLength(G4double);
    void SetBarBase(G4double);
    void SetHoleRadius(G4double);
    void SetCoatingThickness(G4double);
    void SetCoatingRadius(G4double);

    G4double GetWLSFiberLength();
    G4double GetWLSFiberEnd();
    G4double GetWLSFiberRMax();
    G4double GetSurfaceRoughness();
    G4bool IsPerfectFiber();

    G4double GetBarLength();
    G4double GetBarBase();
    G4double GetHoleRadius();
    G4double GetHoleLength();
    G4double GetFiberRadius();

    G4double GetCoatingThickness();
    G4double GetCoatingRadius();

    G4Material* FindMaterial(G4String);

  private:
    std::vector<G4VisAttributes*> fVisAttributes;

    WLSMaterials* fMaterials = nullptr;

    G4LogicalVolume* fLogicHole = nullptr;
    G4LogicalVolume* fLogicWorld = nullptr;

    G4VPhysicalVolume* fPhysiWorld = nullptr;
    G4VPhysicalVolume* fPhysiHole = nullptr;

    G4double fWorldSizeX = -1.;
    G4double fWorldSizeY = -1.;
    G4double fWorldSizeZ = -1.;

    G4double fWLSfiberRX = -1.;
    G4double fWLSfiberRY = 0.5 * CLHEP::mm;
    G4double fWLSfiberZ = 1. * CLHEP::m;

    G4double fClad1RX = -1.;
    G4double fClad1RY = -1.;
    G4double fClad1Z = -1.;

    G4double fClad2RX = -1.;
    G4double fClad2RY = -1.;
    G4double fClad2Z = -1.;

    G4double fClrfiberHalfL = -1.;
    G4double fClrfiberZ = -1.;

    G4double fCoupleRX = -1.;
    G4double fCoupleRY = -1.;
    G4double fCoupleZ = -1.;

    G4double fMirrorRmax = -1.;
    G4double fMirrorZ = 0.1 * CLHEP::mm;
    G4bool fMirrorToggle = true;

    G4String fMPPCShape = "Circle";
    G4double fMPPCHalfL = -1.;
    G4double fMPPCZ = 0.05 * CLHEP::mm;
    G4double fMPPCDist = 0.;
    G4double fMPPCTheta = 0;

    G4double fWLSfiberOrigin = 0.;
    G4double fCoupleOrigin = 0.;
    G4double fMirrorOrigin = 0.;
    G4double fMPPCOriginX = 0.;
    G4double fMPPCOriginZ = 0.;

    G4int fNumOfCladLayers = 0;

    G4double fMirrorPolish = 1.;
    G4double fMirrorReflectivity = 1.;
    G4double fMPPCPolish = 1.;
    G4double fMPPCReflectivity = 0.;
    G4double fExtrusionPolish = 1.;
    G4double fExtrusionReflectivity = 1.;
    G4double fSurfaceRoughness = 1.;
    G4double fXYRatio = 1.;

    G4double fBarLength = 1. * CLHEP::m;
    G4double fBarBase = 9.6 * CLHEP::mm;
    G4double fHoleRadius = 0.9 * CLHEP::mm;
    G4double fHoleLength = -1.;
    G4double fCoatingThickness = 0.25 * CLHEP::mm;
    G4double fCoatingRadius = 1.875 * CLHEP::mm;

    void UpdateGeometryParameters();

    WLSDetectorMessenger* fDetectorMessenger = nullptr;
    G4Cache<WLSPhotonDetSD*> fmppcSD;
};

#endif