#ifndef CondFormats_SiPixelObjects_SiPixelGainCalibration_h
#define CondFormats_SiPixelObjects_SiPixelGainCalibration_h
// -*- C++ -*-
//
// Package:    SiPixelObjects
// Class:      SiPixelGainCalibration
//
/**\class SiPixelGainCalibration SiPixelGainCalibration.h CondFormats/SiPixelObjects/src/SiPixelGainCalibration.cc

 Description: Gain calibration object for the Silicon Pixel detector.  Store gain/pedestal information at pixel granularity

 Implementation:
     <Notes on implementation>
*/
//
// Original Author:  Vincenzo Chiochia
//         Created:  Tue 8 12:31:25 CEST 2007
//         Modified: Evan Friis
// $Id: SiPixelGainCalibration.h,v 1.8 2009/02/10 17:25:42 rougny Exp $
//
//
#include "CondFormats/Serialization/interface/Serializable.h"

#include <vector>
#include <map>
#include <iostream>
#include <cstdint>

class SiPixelGainCalibration {
public:
  struct DecodingStructure {
    unsigned int gain : 8;
    unsigned int ped : 8;
  };

  struct DetRegistry {
    uint32_t detid;
    uint32_t ibegin;
    uint32_t iend;
    int ncols;

    COND_SERIALIZABLE;
  };

  class StrictWeakOrdering {
  public:
    bool operator()(const DetRegistry& p, const uint32_t& i) const { return p.detid < i; }
  };

  typedef std::vector<char>::const_iterator ContainerIterator;
  typedef std::pair<ContainerIterator, ContainerIterator> Range;
  typedef std::vector<DetRegistry> Registry;
  typedef Registry::const_iterator RegistryIterator;

  // Constructors
  SiPixelGainCalibration();
  SiPixelGainCalibration(float minPed, float maxPed, float minGain, float maxGain);
  ~SiPixelGainCalibration() {}

  void initialize() {}

  bool put(const uint32_t& detID, Range input, const int& nCols);
  const Range getRange(const uint32_t& detID) const;
  void getDetIds(std::vector<uint32_t>& DetIds_) const;
  const int getNCols(const uint32_t& detID) const;
  const std::pair<const Range, const int> getRangeAndNCols(const uint32_t& detID) const;

  unsigned int getNumberOfRowsToAverageOver() const { return numberOfRowsToAverageOver_; }
  double getGainLow() const { return minGain_; }
  double getGainHigh() const { return maxGain_; }
  double getPedLow() const { return minPed_; }
  double getPedHigh() const { return maxPed_; }

  // Set and get public methods
  void setData(
      float ped, float gain, std::vector<char>& vped, bool thisPixelIsDead = false, bool thisPixelIsNoisy = false);

  void setDeadPixel(std::vector<char>& vped) { setData(0, 0, /*dummy values, not used*/ vped, true, false); }
  void setNoisyPixel(std::vector<char>& vped) { setData(0, 0, /*dummy values, not used*/ vped, false, true); }

  float getPed(const int& col, const int& row, const Range& range, const int& nCols, bool& isDead, bool& isNoisy) const;
  float getGain(const int& col, const int& row, const Range& range, const int& nCols, bool& isDead, bool& isNoisy) const;

private:
  float encodeGain(const float& gain);
  float encodePed(const float& ped);
  float decodeGain(unsigned int gain) const;
  float decodePed(unsigned int ped) const;

  std::vector<char> v_pedestals;  //@@@ blob streaming doesn't work with uint16_t and with classes
  std::vector<DetRegistry> indexes;
  float minPed_, maxPed_, minGain_, maxGain_;

  //THIS WILL BE HARDCODED TO 1 (no averaging) DON'T CHANGE UNLESS YOU KNOW WHAT YOU ARE DOING!
  unsigned int numberOfRowsToAverageOver_;

  unsigned int nBinsToUseForEncoding_;
  unsigned int deadFlag_;
  unsigned int noisyFlag_;

  COND_SERIALIZABLE;
};

#endif
