// -------------------------------------------------------------------------
// -----                     PndGemStation header file                 -----
// -----                  Created 12/02/2009  by R. Karabowicz         -----
// -------------------------------------------------------------------------


/** PndGemStation.h
 *@author R.Karabowicz <r.karabowicz@gsi.de>
 **
 ** This class holds the transport geometry parameters 
 ** of one GEM tracking station necessary for digitisation.
 **/


#ifndef PNDGEMSTATION_H
#define PNDGEMSTATION_H 1


#include "TObjArray.h"
#include "TNamed.h"
#include "TString.h"
#include "PndDetectorList.h"

#include <map>

class PndGemSensor;

class PndGemStation : public TNamed
{

 public:

  /** Default constructor **/
  PndGemStation();


  /** Standard constructor 
  *@param name      Volume name of station
  *@param stationNr stationNr 
  *@param z         z position of station centre [cm]
  *@param rotation  Rotation angle in global c.s. [rad]
  **/
  PndGemStation(const char* name, Int_t stationNr, Double_t z, 
		Double_t rotation);
  

  /** Destructor **/
  virtual ~PndGemStation();
  
  /** Accessors **/
      
  void     SetDetectorId(Int_t stationNr) {
    fDetectorId = kGEM << 27 | 0 << 21 | stationNr << 8 | 0 << 6; }
  Int_t    GetDetectorId() const { return fDetectorId; }
  Int_t    GetSystemId()   const { 
    return ( ( fDetectorId & (  31<<27) ) >> 27); }
  Int_t    GetStationNr()  const { 
    return ( ( fDetectorId & (8191<< 8) ) >>  8 ); }
  Double_t GetZ(Int_t it=0);
  Int_t    GetNSensors()   const { return fSensors->GetEntriesFast(); }
  Int_t    GetNChannels();
  TObjArray* GetSensors() { return fSensors; }
  PndGemSensor* GetSensor(Int_t iSensor) { 
    return (PndGemSensor*) fSensors->At(iSensor); }
  PndGemSensor* GetSensorByNr(Int_t sensorNr);
  
  /** Add one sensor to the array **/
  void AddSensor(PndGemSensor* sensor);
  
  Int_t GetNofZ();
  
  /** Reset all eventwise counters **/
  void Reset();
  
  /** Output to screen **/
  virtual void Print(Bool_t kLong);
  
  
 protected:
  
  Int_t      fDetectorId;       // Unique detector ID
  Double32_t fZ;                // z position of station centre [cm]
  Double32_t fRotation;         // Rotation angle in global c.s [rad]
  TObjArray* fSensors;          // Array of PndGemSensors
  std::map<Int_t, Int_t> fSensorMap; //! Map from sensor number to index
  std::map<Int_t, Int_t> fMcIdMap;   //! Map from McId to index
  
  Double_t fSensorZ[10];
  
  ClassDef(PndGemStation,1);
  
};



#endif