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//
/// \file optical/wls/include/WLSDetectorConstruction.hh
/// \brief Definition of the WLSDetectorConstruction class
//

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#ifndef WLSDetectorConstruction_h
#define WLSDetectorConstruction_h 1

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

class WLSMaterials;
class WLSDetectorMessenger;
class WLSPhotonDetSD;

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

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

  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();

  // StringToRotationMatrix() converts a string "X90,Y45" into a
  // G4RotationMatrix.
  // This is an active rotation, in that the object is first rotated
  // around the parent's X axis by 90 degrees, then the object is
  // further rotated around the parent's Y axis by 45 degrees.
  // The return value points to a G4RotationMatrix on the heap, so
  // it is persistent. Angles are in degrees, can have decimals,
  // and can be negative. Axes are X, Y, Z.

  static G4RotationMatrix StringToRotationMatrix(G4String rotation);

  G4Material* FindMaterial(G4String);

 private:
  WLSMaterials* fMaterials;

  G4LogicalVolume* fLogicHole;
  G4LogicalVolume* fLogicWorld;

  G4VPhysicalVolume* fPhysiWorld;
  G4VPhysicalVolume* fPhysiHole;

  G4double fWorldSizeX;
  G4double fWorldSizeY;
  G4double fWorldSizeZ;

  G4double fWLSfiberRX;
  G4double fWLSfiberRY;
  G4double fWLSfiberZ;

  G4double fClad1RX;
  G4double fClad1RY;
  G4double fClad1Z;

  G4double fClad2RX;
  G4double fClad2RY;
  G4double fClad2Z;

  G4double fClrfiberHalfL;
  G4double fClrfiberZ;

  G4double fCoupleRX;
  G4double fCoupleRY;
  G4double fCoupleZ;

  G4double fMirrorRmax;
  G4double fMirrorZ;
  G4bool fMirrorToggle;

  G4String fMPPCShape;
  G4double fMPPCHalfL;
  G4double fMPPCZ;
  G4double fMPPCDist;
  G4double fMPPCTheta;

  G4double fWLSfiberOrigin;
  G4double fCoupleOrigin;
  G4double fMirrorOrigin;
  G4double fMPPCOriginX;
  G4double fMPPCOriginZ;

  G4int fNumOfCladLayers;

  G4double fMirrorPolish;
  G4double fMirrorReflectivity;
  G4double fMPPCPolish;
  G4double fMPPCReflectivity;
  G4double fExtrusionPolish;
  G4double fExtrusionReflectivity;
  G4double fSurfaceRoughness;
  G4double fXYRatio;

  G4double fBarLength;
  G4double fBarBase;
  G4double fHoleRadius;
  G4double fHoleLength;
  G4double fCoatingThickness;
  G4double fCoatingRadius;

  void ConstructFiber();

  void UpdateGeometryParameters();

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

#endif