#ifndef TScintDetGeom_hxx_seen
#define TScintDetGeom_hxx_seen

#include <vector>
#include <map>

#include <TGeoNode.h>
#include <TGeoVolume.h>
#include <TGeoBBox.h>

#include <IHit.hxx>
#include <EoaGeomInfo.hxx>

#include "IScintBarGeom.hxx"

namespace COMET {
    OA_EXCEPTION(ENoSuchScintBarGeom, EoaGeomInfo);
    class IScintDetGeom;
    class IGeomInfo;
};

/// Minimal sub-detector ROOT geometry info class used in IGeomInfo.  This 
/// contains useful information about the scintillator bars geometry and layout.
/// All of the information is derived from the ROOT TGeoManager geometry
/// description of the off-axis detector. Each subdetectors can be accessed 
/// with the following call :  
/// IGeomInfo::Get().P0D()  to access the IP0DGeom object
/// IGeomInfo::Get().FGD()  to access the IFGDGeom object
/// IGeomInfo::Get().ECAL() to access the IECALGeom object
/// IGeomInfo::Get().SMRD() to access the ISMRDGeom object
/// IGeomInfo::Get().Ingrid() to access the IIngridGeom object
class COMET::IScintDetGeom {

  friend class IGeomInfo;
 
public:
  typedef std::map<COMET::IGeometryId, IScintBarGeom* > BarMap;

  IScintDetGeom(const char* mothervolname, 
		const char* layername, const char* barname);

  virtual ~IScintDetGeom();

  /// Return the scintillator bar information 
  const IScintBarGeom& GetBar(COMET::IGeometryId geomId) const; 

  /// Return a vector of nodes for bars that are part of this sub-detector.
  const BarMap& GetBars() const;

  /// Return the scintillator bar information 
  void ls(const char* opt); 
  
  /// clear the geometry information
  void Clear();
 
  /// fill the scintlillator bars geometry information. This  
  void Fill();

private:

  Bool_t FindModuleBars(); 

  BarMap fBarList;
  
  std::string fMotherVol;
  std::string fLayerName;
  std::string fBarName;  

  std::string Left;
  std::string Right; 

 
  void setUpNames();


};
#endif