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

#ifndef DicomVFileImage__HH
#define DicomVFileImage__HH

#include "DicomFileMgr.hh"
#include "DicomVFile.hh"

#include "G4ThreeVector.hh"

class DicomVFileImage : public DicomVFile
{
  public:
    DicomVFileImage();
    DicomVFileImage(DcmDataset* dset);
    ~DicomVFileImage() {};

  public:
    virtual void ReadData();

    void operator+=(const DicomVFileImage& rhs);
    DicomVFileImage operator+(const DicomVFileImage& rhs);
    // add two slices that have the same dimensions, merging them in Z

    void DumpHeaderToTextFile(std::ofstream& fout);

    // Get and set methods
    G4int GetNoVoxelsX() const { return fNoVoxelsX; };
    G4int GetNoVoxelsY() const { return fNoVoxelsY; };
    G4int GetNoVoxelsZ() const { return fNoVoxelsZ; };
    G4int GetNoVoxels() const { return fNoVoxelsX * fNoVoxelsY * fNoVoxelsZ; };

    G4double GetMinX() const { return fMinX; };
    G4double GetMinY() const { return fMinY; };
    G4double GetMinZ() const { return fMinZ; };
    G4double GetMaxX() const { return fMaxX; };
    G4double GetMaxY() const { return fMaxY; };
    G4double GetMaxZ() const { return fMaxZ; };

    void SetNoVoxelsX(const G4int& val) { fNoVoxelsX = val; }
    void SetNoVoxelsY(const G4int& val) { fNoVoxelsY = val; }
    void SetNoVoxelsZ(const G4int& val) { fNoVoxelsZ = val; }

    void SetMinX(const G4double& val) { fMinX = val; };
    void SetMaxX(const G4double& val) { fMaxX = val; };
    void SetMinY(const G4double& val) { fMinY = val; };
    void SetMaxY(const G4double& val) { fMaxY = val; };
    void SetMinZ(const G4double& val) { fMinZ = val; };
    void SetMaxZ(const G4double& val) { fMaxZ = val; };

    const G4double& GetLocation() const { return fLocation; }

    void SetLocation(const G4double& val) { fLocation = val; }

    G4ThreeVector GetOrientationRows() const { return fOrientationRows; }
    G4ThreeVector GetOrientationColumns() const { return fOrientationColumns; }

  private:
    template<typename T>
    inline bool CheckConsistency(const T&, const T&, G4String);

    void ReadPixelData();
    void Print(std::ostream& out);

  protected:
    G4double fLocation;
    G4double fBitAllocated;
    G4double fRescaleSlope;
    G4double fRescaleIntercept;

    G4int fNoVoxelsX, fNoVoxelsY, fNoVoxelsZ;  // number of voxels in each dimensions
    G4double fMinX, fMinY, fMinZ;  // minimum extension of voxels (position of wall)
    G4double fMaxX, fMaxY, fMaxZ;  // maximum extension of voxels (position of wall)
    G4double fVoxelDimX, fVoxelDimY, fVoxelDimZ;  // maximum extension of voxels (position of wall)

    G4ThreeVector fOrientationRows;
    G4ThreeVector fOrientationColumns;

    std::vector<int> fHounsfieldV;

    DicomFileMgr* theFileMgr;
};

//============================================================================
template<typename T>
inline bool DicomVFileImage::CheckConsistency(const T& val1, const T& val2, G4String category)
{
  if (val1 != val2) {
    G4Exception("DicomVFileImager::CheckConsistency",
                "Consistency Mismatch : Keeping previous value if nonzero", JustWarning,
                category.c_str());
    return false;
  }
  return true;
}

#endif
