#ifndef _fevt_Pixel_h_
#define _fevt_Pixel_h_

#include <fevt/PixelSimData.h>
#include <fevt/PixelRecData.h>
#include <fevt/PixelTriggerData.h>
#include <utl/ShadowPtr.h>

#include <fevt/FdComponentSelector.h>

namespace fevt {

  /*!
    \class Pixel
    \brief Fluorescence Detector Pixel event
    
    Describes the event as seen by a Pixel
    
    \author Stefano Argiro'
    \date Jan 29, 2003
    \version $Id: Pixel.h 15865 2010-03-05 19:55:22Z munger $
    \ingroup fevt
  **/

  class Telescope;
  class EyeRecData;

  class Pixel {

  public:
    unsigned int GetId() const { return fId; }
    unsigned int GetTelescopeId() const { return fTelescopeId; }
    unsigned int GetEyeId() const { return fEyeId; }

    PixelSimData& GetSimData() { return *fSimData; }
    const PixelSimData& GetSimData() const { return *fSimData; }
    void MakeSimData();
    bool HasSimData() const { return fSimData; }

    PixelRecData& GetRecData() { return *fRecData; }
    const PixelRecData& GetRecData() const { return *fRecData; }
    void MakeRecData();
    bool HasRecData() const { return fRecData; }

    PixelTriggerData& GetTriggerData() { return *fTriggerData; }
    const PixelTriggerData& GetTriggerData() const { return *fTriggerData; }
    void MakeTriggerData();
    bool HasTriggerData() const { return fTriggerData; }

    bool operator==(const Pixel& pixel) const;
    bool operator!=(const Pixel& pixel) const { return !operator==(pixel); }

    void SetStatus(ComponentSelector::Status status) {fStatus=status;}
    ComponentSelector::Status GetStatus() const {return fStatus;}

    /// Check if the pixel is saturated
    bool IsNoSaturation() const { return fSatStatus == eNoSaturation; }
    bool IsLowGainSaturation() const { return fSatStatus == eLowGainSat; }
    bool IsHighGainSaturation() const { return fSatStatus == eHighGainSat; }
    bool IsSaturationRecovered() const { return fSatStatus == eRecovered; }

    void SetNoSaturation() { fSatStatus = eNoSaturation; }
    void SetLowGainSaturation() { fSatStatus = eLowGainSat; }
    void SetHighGainSaturation() { fSatStatus = eHighGainSat; }
    void SetSaturationRecovered() { fSatStatus = eRecovered; }

  private:
    Pixel(const unsigned int eye, const unsigned int telescope, const unsigned int id, 
	  ComponentSelector::Status status = ComponentSelector::eHasData) :
      fId(id), fTelescopeId(telescope), fEyeId(eye), fStatus(status),
    fSatStatus(eNoSaturation) { }
    ~Pixel() { }
    void SetTelescopeId(const unsigned int id) { fTelescopeId=id; }
    void SetEyeId(const unsigned int id) { fEyeId=id; }

    unsigned int fId;
    unsigned int fTelescopeId;
    unsigned int fEyeId;

    utl::ShadowPtr<PixelSimData> fSimData;
    utl::ShadowPtr<PixelRecData> fRecData;
    utl::ShadowPtr<PixelTriggerData> fTriggerData;

    enum SaturationStatus {
      eNoSaturation = 0,
      eLowGainSat,
      eRecovered,
      eHighGainSat
    };

    ComponentSelector::Status fStatus;
    SaturationStatus fSatStatus;

    friend class fevt::Telescope;
    friend class fevt::EyeRecData;

  };
  
}


#endif

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