////////////////////////////////////////////////////////////////////////
/// \class RAT::PMTConstructorParams
///
/// \brief   The struct of parameters needed to construct a pmt
///
/// \author  Phil Jones <p.jones22@physics.ox.ac.uk>
/// \author Aksel Hallin <aksel.hallin@ualberta.ca> -- contact person
///
/// REVISION HISTORY:\n
///     07/09 : P.Jones - First Revision, new file. \n
///     08/10 : P.Jones - New constructor. \n
///     03/12 : P.Jones - Different PMT shapes now possible. \n
///
/// \details  Stores the necessary parameters for a pmt
///
///
////////////////////////////////////////////////////////////////////////

#ifndef __RAT_PMTConsrtuctorParams__
#define __RAT_PMTConsrtuctorParams__

#include<vector>
#include<string>

class G4Material;
class G4OpticalSurface;
class G4VisAttributes;

namespace RAT
{

class PMTConstructorParams
{
public:
  /// Define the shape type of the PMT
  enum EShape { eTorus, eCuboid, eCylindrical };
  /// Construct by specifying a PMT type
  PMTConstructorParams( const std::string& pmtType,
                        G4VisAttributes* visAttributes );

  virtual ~PMTConstructorParams() {}
  /// Construct the parameters
  void Construct();

  std::vector<double> fEdgeZCoord; ///< Z co-ords from the PMT equator of the PMT edge (array size n+1)
  std::vector<double> fEdgeRhoCoord; ///< Rho (radius) co-ords from the PMT equator of the PMT edge (array size n+1)
  std::vector<double> fOriginZCoord; ///< Z co-ord origins of sphere that interpolates between edge points (array size n)
  // Alternatively if not torus shaped, cube
  double fXWidth; ///< Width in x dimension
  double fYWidth; ///< Width in y dimension
  double fHeight; ///< Height
  // Alternatively if not cube shape, cylindrical
  double fRadius; ///< Cylindrical radius
  // Other parameters
  EShape fShape; ///< Defines the shape type of the pmt
  std::string fPMTType; ///< String that defines the PMT type in the db
  std::string fModelType; ///< Name of the Model, default is PMTOpticalModel
  std::string fModelParams; ///< The Model Parameter set, e.g. Optics0
  double fGlassThickness; ///< Thickness of glass
  double fDynodeRadius; ///< Radius of the dynode stack
  double fDynodeTopZCoord; ///< Z co-ord of the Dynode top
  double fPCMirrorOverlapTop; ///< Top Z co-ord of the overlap region
  double fPCMirrorOverlapBottom; ///< Bottom Z co-ord of the overlap region
  G4Material* fGlassMaterial; ///< PMT Glass material
  G4Material* fVacuumMaterial; ///< PMT Vacuum material
  G4Material* fDynodeMaterial; ///< PMT Dynode material
  G4OpticalSurface* fPhotocathodeSurface; ///< PMT Photocathode material/surface
  G4OpticalSurface* fMirrorSurface; ///< PMT Mirror material/surface
  G4VisAttributes* fVisAttributes; ///< Visualisation attributes

private:
  PMTConstructorParams();
};


} //::RAT

#endif