#ifndef GEOMETRY_HH
#define GEOMETRY_HH

typedef double Float;

class Constants {
public:
  static const double inchToMeter;
  static const double mmToMeter;
  static const double degreeToRadian;
  static const double radianToDegree;
};

class Layer {
public:
  int numberWires() {return _numberWires;}
  Float offsetFirstWire() {return _offsetFirstWire;}
  Float radius() {return _radius;}
  Float halfLength() {return _halfLength;}
  Float dCellDz() {return _dCellDz;}
  bool isStereo() {return  _isStereo;}
  friend istream& operator>> (istream&, Layer&);
  friend ostream& operator<< (ostream&, Layer&);
protected:
  int layerNumber;
  int _numberWires;
  Float _offsetFirstWire;
  Float _radius;
  Float _halfLength;
  Float _dCellDz;
  bool  _isStereo;
};

class Boundary {
public:
  Float radius() {return _radius;}
  Float thickness() {return _thickness;}
  Float radLength() {return _radLength;}
  friend ostream& operator<< (ostream&, Boundary&);
  friend istream& operator>> (istream&, Boundary&);
protected:
  Float _radius;
  Float _thickness;
  Float _radLength;
};

class Detector {
public:
  void PostScript(ostream&);
  friend ostream& operator<< (ostream&, Detector&);
  static Detector* Instance(char*, istream&);
protected:
  char name[40];
  int numberLayers;
  Layer* layer;
  Boundary* innerBoundary;
  Boundary* outerBoundary;
  Detector(char*, istream&);
private:
  static Detector* _instance;
};

#endif