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

// -------------------------------------------------------------
//      GEANT4  test  IBREM
//
// Authors: V.Grichine, V.Ivanchenko
//
// Modified:
//
// 18-02-03 V.Ivanchenko create
//
// -------------------------------------------------------------

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#include "G4VUserDetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"
#include "G4Material.hh"

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class CheckVolumeSD;
class PhantomSD;
class TargetSD;
class DetectorMessenger;
class G4LogicalVolume;

class DetectorConstruction : public G4VUserDetectorConstruction
{
public:

  DetectorConstruction();
  virtual ~DetectorConstruction();

  G4VPhysicalVolume* Construct();

  void SetTarget1Material(const G4String& m);
  void SetTarget2Material(const G4String& m);

  inline G4double GetGeneratorPosZ() const    { return fGeneratorPosZ; };

  inline void SetGap(G4double val)            { fDelta = val; };
  inline void SetTarget1Z(G4double val)       { fTarget1Z = val; };
  inline void SetTarget2Z(G4double val)       { fTarget2Z = val; };
  inline void SetMylarZ(G4double val)         { fMylarVolumeZ = val; }
  inline void SetCheckShiftZ(G4double val)    { fCheckShiftZ = val; }
  inline void SetAbsorberZ(G4double val)      { fAbsorberZ = val; }
  inline void SetAbsorberShiftZ(G4double val) { fAbsorberShiftZ = val; }

  inline void SetNumberDivZ(G4int val)        { fNumZ = val; };
  inline void SetNumberDivR(G4int val)        { fNumR = val; };

  const G4VPhysicalVolume* GetCheckVolume() const   { return fCheckVolume; }
  const G4VPhysicalVolume* GetGasVolume() const     { return  fGasVolume; }
  const G4VPhysicalVolume* GetPhantom() const       { return  fPhantom; }
  const G4VPhysicalVolume* GetTarget1() const       { return  fTarget1; }
  const G4VPhysicalVolume* GetTarget2() const       { return  fTarget2; }

  G4double GetAbsorberZ() const               { return fPhantomZ; }
  G4double GetAbsorberR() const               { return fAbsorberRadius; }
  G4double GetScoreZ() const                  { return fAbsorberShiftZ; }

  G4int GetNumberDivZ() const                 { return fNumZ; }
  G4int GetNumberDivR() const                 { return fNumR; }

  void SetMaxEnergy(G4double e) { fMaxEnergy = e; }
  inline G4double GetMaxEnergy() const { return fMaxEnergy; }
  G4int GetNumberDivE() const          { return fNumE; }
  inline void SetNumberDivE(G4int val)        { fNumE = val; };

  void SetVerbose(G4bool v) { fVerbose = v; }
  inline G4bool GetVerbose() const { return fVerbose; }

  void DumpGeometryParameters();

private:  

  void InitialiseGeometryParameters();

  DetectorConstruction & operator=(const DetectorConstruction &right);
  DetectorConstruction(const DetectorConstruction&);
  void ConstructSDandField();

  G4bool fVerbose;

  G4int fNumZ;
  G4int fNumR;

  G4int fNumE;
  G4double fMaxEnergy;

  G4LogicalVolume* fLogicCheckVolume;
  std::vector<G4LogicalVolume*> fLogicRing;
  G4LogicalVolume* fLogicPh;
  G4LogicalVolume* fLogicAbsorber;

  G4double fWorldXY, fWorldZ;
  G4double fDelta;
  G4double fGeneratorPosZ;

  G4double fTargetRadius, fTarget1Z, fTarget1PosZ;
  G4double fTarget2Z, fTarget2PosZ;

  G4double fGasVolumeRadius, fGasVolumeZ, fGasVolumePosZ;
  G4double fAirZ, fMylarVolumeZ, fMylarPosZ;
  G4double fCheckVolumeRadius, fCheckVolumeZ, fCheckShiftZ, fCheckVolumePosZ;
  G4double fTargetVolumeZ, fTargetVolumePosZ;
  G4double fShiftZPh;

  G4double fPhantomRadius, fPhantomZ, fPhantomPosZ;
  G4double fAbsorberRadius, fAbsorberZ, fAbsorberShiftZ, fAbsorberPosZ;
  G4double fDistanceVacuumTarget, fWindowZ, fWindowPosZ;

  G4Material* fWorldMaterial;

  G4Material* fTarget1Material;
  G4Material* fTarget2Material;
  G4Material* fMylar;
  G4Material* fWindowMaterial;

  G4Material* fLightMaterial;
  G4Material* fAbsorberMaterial;

  G4LogicalVolume* fLogicTarget1;
  G4LogicalVolume* fLogicTarget2;

  G4VPhysicalVolume* fCheckVolume;
  G4VPhysicalVolume* fGasVolume;
  G4VPhysicalVolume* fPhantom;
  G4VPhysicalVolume* fTarget1;
  G4VPhysicalVolume* fTarget2;

  DetectorMessenger* fMessenger;
};

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#endif
