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#ifndef ExExChDetectorConstruction_h
#define ExExChDetectorConstruction_h 1
#endif

#include "G4VUserDetectorConstruction.hh"
#include "ExExChDetectorConstructionMessenger.hh"

#include "G4Box.hh"
#include "G4Tubs.hh"
#include "G4LogicalVolume.hh"
#include "G4VPhysicalVolume.hh"
#include "G4RunManager.hh"

#include "globals.hh"


//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

class ExExChDetectorConstruction : public G4VUserDetectorConstruction
{
public:
    
    ExExChDetectorConstruction();
    ~ExExChDetectorConstruction();
    
    void DefineMaterials();
    G4VPhysicalVolume* Construct();

private:
    ExExChDetectorConstructionMessenger* fMessenger;
    
    void ConstructSDandField();

private:
    G4ThreeVector fWorldSize;
    G4Box* fWorldSolid;
    G4LogicalVolume* fWorldLogic;
    G4VPhysicalVolume* fWorldPhysical;
    G4Material* fWorldMaterial;

    //** SSD **//
private:
    void ConstructSiliconStripDetectors();
    G4LogicalVolume* ConstructSiSD(G4int);
    G4bool bSiSD;
    G4ThreeVector fSSDSize;
    G4double fSSDXtalDistance[3];
    G4LogicalVolume* fSSDLogic[3];
    G4double fSSDBoxThickness;
    G4ThreeVector fSSDBoxSize;    
    //** Beam pipe **//

    void SetBeamPipeRadius(G4double aDouble) {fBeamPipeRadius = aDouble;};
    G4double GetBeamPipeRadius() {return fBeamPipeRadius;};

    void SetBeamPipeThickness(G4double aDouble) {fBeamPipeThickness = aDouble;};
    G4double GetBeamPipeThickness() {return fBeamPipeThickness;};

private:
    G4LogicalVolume* ConstructBeamPipe(G4double);
    G4bool bBeamPipe;
    G4double fBeamPipeRadius;
    G4double fBeamPipeThickness;
    //** Xtal **//
public:
    void AddXtalTarget() {
        bXtal = true;
        G4RunManager::GetRunManager()->GeometryHasBeenModified();
    };
    void SetXtalMaterial(const G4String& name);
    G4String GetXtalMaterial();
    void SetXtalCurvatureRadius(G4ThreeVector);
    G4ThreeVector GetXtalCurvatureRadius() {return fXtalCurvatureRadius;};
    void SetXtalSize(G4ThreeVector);
    G4ThreeVector GetXtalSize() {return fXtalSize;};
    void SetXtalAngle(G4ThreeVector); 
    G4ThreeVector GetXtalAngle() {return fXtalAngle;};
    void SetXtalCellSize(G4ThreeVector);
    G4ThreeVector GetXtalCellSize() {return fXtalCellSize;};
    void SetXtalCellAngle(G4ThreeVector);
    G4ThreeVector GetXtalCellAngle() {return fXtalCellAngle;};
    void SetXtalThermalVibrationAmplitude(G4double);
    G4double GetXtalThermalVibrationAmplitude() {return fXtalTVA;};
    void SetXtalMiller(G4ThreeVector);
    G4ThreeVector GetXtalMiller() {return fXtalMiller;};
    
private:
    void ConstructXtalTarget();
    G4bool bXtal;
    
    G4ThreeVector fXtalCurvatureRadius;
    
    G4Material* fXtalMaterial;
    G4ThreeVector fXtalAngle;
    G4ThreeVector fXtalSize;
    G4ThreeVector fXtalCellSize;
    G4ThreeVector fXtalCellAngle;
    G4ThreeVector fXtalMiller;
    G4double fXtalTVA;
    
    G4VSolid* fXtalSolid;
    G4LogicalVolume* fXtalLogic;
    G4VPhysicalVolume* fXtalPhysical;
};