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// IAEADetectorConstruction.hh; 
// See more at: http://g4advancedexamples.lngs.infn.it/Examples/hadrontherapy

#ifndef IAEADetectorConstruction_H
#define IAEADetectorConstruction_H 1

#include "globals.hh"
#include "G4VUserDetectorConstruction.hh"
#include "G4VisAttributes.hh"
class G4VPhysicalVolume;
class G4LogicalVolume;
class HadrontherapyDetectorROGeometry;
class PassiveProtonBeamLine;
class IAEADetectorMessenger;
class HadrontherapyModulator;
class HadrontherapyDetectorSD;

/**
 * Geometry for the IAEA benchmark
 *
 * This geometry includes two main components: water target and a
 * detector that counts the particles that go through the phantom.
 *
 */
class IAEADetectorConstruction : public G4VUserDetectorConstruction
{
public:

  IAEADetectorConstruction();

  ~IAEADetectorConstruction();

  G4VPhysicalVolume* Construct();  

private: 
  void ConstructPassiveProtonBeamLine();
  void ConstructDetector();
 
  void ConstructSensitiveDetector();

 
  //  G4VisAttributes* redWire;
  
public: 
  void setWaterThickness(G4double); //< sets thickness of water phantom, zero or negative value removes phantom and plexiedges from the simulation.
  G4double ComputeVoxelSize() {return detectorSizeX/numberOfVoxelsAlongX;};
  //<Returns the size of the voxel along the X axis
 
private:
  G4VisAttributes* skyBlue;
  G4VisAttributes* red;

  G4String emName;
  HadrontherapyDetectorSD* detectorSD; //<Pointer to sensitive detector

  HadrontherapyDetectorROGeometry* detectorROGeometry; //<Pointer to ROGeometry 

  PassiveProtonBeamLine* passiveProtonBeamLine; //<Pointer to the beam line 
                                   // geometry component

  HadrontherapyModulator* modulator; // Pointer to the modulator 
                                     // geometry component

  G4VPhysicalVolume* physicalTreatmentRoom;
  G4VPhysicalVolume* phantomPhysicalVolume;
  G4VPhysicalVolume* phantomEdge1PhysicalVolume;
  G4VPhysicalVolume* phantomEdge2PhysicalVolume;
  
  G4LogicalVolume* detectorLogicalVolume;
  G4LogicalVolume* beamWindowLogicalVolume; //<Logical volume for beam source window
  G4LogicalVolume* NewDetectorLogicalVolume; //<Logical volume for end-detector
  
  G4VPhysicalVolume* detectorPhysicalVolume;
  G4VPhysicalVolume* beamWindowPhysicalVolume; ///<Logical volume for end-detector
  G4VPhysicalVolume* NewDetectorPhysicalVolume; ///<Physical volume for end-detector

  G4double startDetectorThickness;
  G4double phantomCenter;
  G4double phantomDepth;
  G4double plexiThickness;
  G4double aluWindowThickness;
  G4double endDetectorThickness;
  G4double endDetectorPosition;
  G4double moveEndDetectorForward;

  IAEADetectorMessenger* detectorMessenger; 

  G4double detectorSizeX; 
  G4double detectorSizeY; 
  G4double detectorSizeZ;
   
  G4int numberOfVoxelsAlongX; 
  G4int numberOfVoxelsAlongY;
  G4int numberOfVoxelsAlongZ; 
 
  G4bool noPhantom; //<If true no water-phantom is constructed
};
#endif