JDetectorCalibration.hh

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#ifndef __JDETECTOR__JDETECTORCALIBRATION__
#define __JDETECTOR__JDETECTORCALIBRATION__

#include <string>
#include <vector>

#include "JSon/JSon.hh"

#include "JDB/JPBS_t.hh"
#include "JDB/JUPI_t.hh"

#include "JLang/JObjectID.hh"
#include "JLang/JException.hh"

#include "Jeep/JPrint.hh"

#include "JDetector/JCalibration.hh"

#include "JGeometry3D/JPosition3D.hh"
#include "JGeometry3D/JQuaternion3D.hh"


/**
 * \author mdejong
 */

namespace JDETECTOR {}
namespace JPP { using namespace JDETECTOR; }

/**
 * Auxiliary classes and methods for detector calibration.
 */
namespace JDETECTOR {

  using JSON::json;
  
  using JLANG::JObjectID;
  using JLANG::JValueOutOfRange;
  
  using JDATABASE::JUPI_t;
  using JDATABASE::JPBS_t;
  
  using JGEOMETRY3D::JPosition3D;
  using JGEOMETRY3D::JQuaternion3D;


  static const std::string  TCAL  =  "tcal";   //!< PMT time offsets
  static const std::string  PCAL  =  "pcal";   //!< (optical|base) module positions
  static const std::string  RCAL  =  "rcal";   //!< (optical|base) module orientations
  static const std::string  ACAL  =  "acal";   //!< acoustic time offsets (piezo sensor or hydrophone)
  static const std::string  CCAL  =  "ccal";   //!< compass alignment (a.k.a.\ quaternion calibration)
  static const std::string  SCAL  =  "scal";   //!< PMT status


  /**
   * Detector calibration key words for JSON I/O.
   */
  
  // Meta data
  static const std::string  User_t             =  "User";
  static const std::string  Location_t         =  "Location";
  static const std::string  Time_t             =  "Time";
  static const std::string  Start_t            =  "Start";
  static const std::string  End_t              =  "End";
  static const std::string  Comment_t          =  "Comment";
  static const std::string  Encoding_t         =  "Encoding";
  static const std::string  Input_t            =  "Inputs";
  static const std::string  Error_t            =  "Error";
  static const std::string  Message_t          =  "Message";
  static const std::string  Code_t             =  "Code";
  static const std::string  Provenance_t       =  "Provenance";
  static const std::string  Info_t             =  "Info";
  static const std::string  Configuration_t    =  "Configuration";
  static const std::string  Arguments_t        =  "Arguments";
  static const std::string  Inputs_t           =  "Inputs";
  static const std::string  UUID_t             =  "UUID";
  static const std::string  APIVersion_t       =  "APIVersion";

  // Type specifiers
  static const std::string  Type_t             =  "Type";
  static const std::string  Test_t             =  "Test";
  static const std::string  Tests_t            =  "Tests";
  static const std::string  Data_t             =  "Data";
  static const std::string  URL_t              =  "URL";
  static const std::string  Name_t             =  "Name";
  static const std::string  Unit_t             =  "Unit";
  static const std::string  Values_t           =  "Values";
  static const std::string  Parameters_t       =  "Parameters";
  static const std::string  RunNumber_t        =  "RUN_NUMBER";

  // Calibration types
  static const std::string  PMTT0s_t           =  "PMTT0s";
  static const std::string  PMTSupplyVoltage_t =  "PMT_Supply_Voltage";
  static const std::string  PMTThreshold_t     =  "PMT_Threshold";
  static const std::string  DOMPositions_t     =  "DOMPositions";
  static const std::string  DOMRotations_t     =  "DOMRotations";
  static const std::string  PMTGain_t          =  "PMT_Gain";

  // Identifiers
  static const std::string  UPI_t              =  "UPI";
  static const std::string  PBS_t              =  "PBS";
  static const std::string  Variant_t          =  "Variant";
  static const std::string  PMTSerial_t        =  "PMTSerial";
  static const std::string  DOMSerial_t        =  "DOMSerial";
  static const std::string  DOMId_t            =  "DOMId";

  // Variable names
  static const std::string  T0_t               =  "T0";
  static const std::string  PX_t               =  "PX";
  static const std::string  PY_t               =  "PY";
  static const std::string  PZ_t               =  "PZ";
  static const std::string  Q0_t               =  "Q0";
  static const std::string  QX_t               =  "QX";
  static const std::string  QY_t               =  "QY";
  static const std::string  QZ_t               =  "QZ";

  // Units
  static const std::string  Unitless_t         =  "-";
  static const std::string  Volt_t             =  "V";

  // Status
  static const std::string  Result_t           =  "Result";
  static const std::string  OK_t               =  "OK";
  static const std::string  Fail_t             =  "FAIL";


  /**
   * Check validity of JSon data.
   *
   * \param  js                    JSon data
   * \return                       true if valid; else false
   */
  inline bool is_valid(const json& js)
  {
    return js.contains(Result_t)  &&  js[Result_t] == OK_t;
  }


  /**
   * Cast single value to array of strings, conform the DB-format.
   *
   * \param  value                 value
   * \return                       std::vector containing value casted to string
   */
  template <class T>
  inline std::vector<std::string> get_string_array(T value) 
  {
    using namespace std;
    
    return vector<string>{ to_string(value) };
  }


  /**
   * Retrieve value from json array of strings.
   *
   * \param  string_value_array    array of string-casted values
   * \return                       double-casted value
   */
  inline double retrieve_value(std::vector<std::string> string_value_array) 
  {
    return std::stod(string_value_array[0]);
  }


  /**
   * Auxiliary data structure for PMT time calibration.
   */
  struct JPMTCalibration_t :
    public JObjectID,
    public JCalibration
  {
    /**
     * Default constructor.
     */
    JPMTCalibration_t()
    {}


    /**
     * Constructor.
     *
     * \param  id             PMT identifier
     * \param  calibration    PMT time calibration
     */
    JPMTCalibration_t(const JObjectID&    id,
                      const JCalibration& calibration) :
      JObjectID   (id),
      JCalibration(calibration)
    {}
  };


  /**
   * Convert PMT time calibration to JSon.
   *
   * \param  js         json
   * \param  object     PMT time calibration
   */
  inline void to_json(json& js, const JPMTCalibration_t& object)
  {
    js = json{ { PMTSerial_t, object.getID() },
               { T0_t,        object.getT0() } };
  }


  /**
   * Convert JSon to PMT time calibration.
   *
   * \param  js         json
   * \param  object     PMT time calibration
   */
  inline void from_json(const json& js, JPMTCalibration_t& object)
  {
    object.setID(js.at(PMTSerial_t).get<int>());

    object.setT0(js.at(T0_t).get<double>());
  }


  /**
   * Data structure for PMT high-voltage calibration.
   */
  struct JHVCalibration_t :
    public JUPI_t
  {
    /**
     * Default constructor.
     */
    JHVCalibration_t() :
      JUPI_t       (),
      result       (Fail_t),
      supplyVoltage(0.0),
      runNumbers   (std::vector<int>(0)),
      PMTgain      (0.0)
    {}
    

    /**
     * Constructor.
     *
     * \param  upi            %UPI
     * \param  result         result
     * \param  hv             HV
     * \param  runNumberList  run numbers
     * \param  gain           gain
     */
    JHVCalibration_t(const JUPI_t&           upi,
                     const std::string&      result,
                     const double            hv,
                     const std::vector<int>  runNumberList = std::vector<int>(0),
                     const double            gain          = 1.0) :
      JUPI_t       (upi),
      result       (result),
      supplyVoltage(hv),
      runNumbers   (runNumberList),
      PMTgain      (gain)
    {}


    /**
     * Get HV-tuning database test type.
     *
     * \return                HV-tuning database test type
     */
    static int getVersion()
    {
      return get_version();
    }


    /**
     * Set HV-tuning database test type.
     *
     * \param version         HV-tuning database test type
     */
    static void setVersion(const int version)
    {
      get_version() = version;
    }

    
    std::string      result;
    double           supplyVoltage;
    std::vector<int> runNumbers;
    double           PMTgain;
    
    
  private:
    
    /**
     * Get reference to HV-tuning database test type.
     *
     * \return                HV-tuning database test type
     */
    static int& get_version()
    {
      static int version = 3;

      return version;
    }
  };


  /**
   * Convert PMT high-voltage calibration to JSon.
   *
   * \param  js         json2
   * \param  object     PMT high-voltage calibration
   */
  inline void to_json(json& js, const JHVCalibration_t& object)
  {
    using namespace std;
    
    ostringstream os;

    os << object.getUPI();

    js[UPI_t]                      = os.str();
    js[Test_t + Result_t]          = object.result;
    js[Test_t + Parameters_t][0]   = json{ { Name_t,   PMTSupplyVoltage_t                     },
                                           { Unit_t,   Volt_t                                 },
                                           { Values_t, get_string_array(object.supplyVoltage) } };

    static const int version = JHVCalibration_t::getVersion();
    
    if (version < 2) {
      
      js[Test_t + Parameters_t][2] = json{ { Name_t,   PMTGain_t                              },
                                           { Unit_t,   Unitless_t                             },
                                           { Values_t, get_string_array(object.PMTgain)       } };
    }

    
    if (version < 3) {

      vector<string> runNumberList;
      
      for (vector<int>::const_iterator i = object.runNumbers.cbegin(); i != object.runNumbers.cend(); ++i) {
        runNumberList.push_back(to_string(*i));
      }
 
      js[Test_t + Parameters_t][1] = json{ { Name_t,   RunNumber_t                            },
                                           { Unit_t,   Unitless_t                             },
                                           { Values_t, runNumberList                          } };
    }
  }


  /**
   * Convert JSon to PMT high-voltage calibration.
   *
   * \param  js         json
   * \param  object     PMT high-voltage calibration
   */
    inline void from_json(const json& js, JHVCalibration_t& object)
  {
    using namespace std;
    
    stringstream is(js.at(UPI_t).get<string>());

    is >> static_cast<JUPI_t&>(object);
    
    json parameters = js.at(Test_t + Parameters_t);

    if (JHVCalibration_t::getVersion() > 0 && parameters.size() > 0) {
      
      object.result        = js.at(Test_t + Result_t).get<string>();
      object.supplyVoltage = retrieve_value(parameters[0].at(Values_t).get<vector<string>>());

      if (JHVCalibration_t::getVersion() < 3 && parameters.size() > 1) {
      
        vector<string> runNumberList = parameters[1].at(Values_t).get<vector<string>>();
      
        for (vector<string>::const_iterator i = runNumberList.begin(); i != runNumberList.end(); ++i) {
          object.runNumbers.push_back(stoi(*i));
        }
      }
    
      if (JHVCalibration_t::getVersion() < 2 && parameters.size() > 2) {
        object.PMTgain = retrieve_value(parameters[2].at(Values_t).get<vector<string>>());
      }
      
    } else {
      
      THROW(JValueOutOfRange, "JHVCalibration_t::from_json(): No " << MAKE_STRING(Test_t + Parameters_t) << " found." << endl);
    }
  }


  /**
   * Data structure for PMT threshold calibration.
   */
  struct JPMTThresholdCalibration_t :
    public JUPI_t
  {
    /**
     * Default constructor.
     */
    JPMTThresholdCalibration_t()
    {}

    /**
     * Constructor.
     *
     * \param  upi            %UPI
     * \param  result         result
     * \param  threshold      threshold
     * \param  runNumbers     run numbers
     */
    JPMTThresholdCalibration_t(const JUPI_t&           upi,
                               const std::string&      result,
                               const double            threshold,
                               const std::vector<int>& runNumbers = std::vector<int>(0)) :
      JUPI_t       (upi),
      result       (result),
      threshold    (threshold),
      runNumberList(runNumbers)
    {}

    std::string      result;
    double           threshold;
    std::vector<int> runNumberList;
  };


  /**
   * Convert PMT threshold calibration to JSon.
   *
   * \param  js         json
   * \param  object     PMT threshold calibration
   */
  inline void to_json(json& js, const JPMTThresholdCalibration_t& object)
  {
    std::ostringstream os;

    os << object.getUPI();

    js[UPI_t]                    = os.str();
    js[Test_t + Result_t]        = object.result;
    js[Test_t + Parameters_t][0] = json{ { Name_t,   PMTThreshold_t                        },
                                         { Unit_t,   Unitless_t                            },
                                         { Values_t, get_string_array(object.threshold)    } };
    js[Test_t + Parameters_t][2] = json{ { Name_t,   RunNumber_t                           },
                                         { Unit_t,   Unitless_t                            },
                                         { Values_t, object.runNumberList                  } };
  }


  /**
   * Convert JSon to PMT threshold calibration.
   *
   * \param  js         json
   * \param  object     PMT threshold calibration
   */
  inline void from_json(const json& js, JPMTThresholdCalibration_t& object)
  {
    using namespace std;

    stringstream is(js.at(UPI_t).get<string>());

    is >> static_cast<JUPI_t&>(object);

    object.result          = js.at(Test_t + Result_t).get<string>();
    object.threshold       = retrieve_value(js.at(Test_t + Parameters_t)[0].at(Values_t).get<vector<string>>());
    object.runNumberList   = js.at(Test_t + Parameters_t)[2].at(Values_t).get<vector<int>>();
  }


  /**
   * Auxiliary data structure for module position.
   */
  struct JModulePosition_t :
    public JObjectID,
    public JPosition3D
  {
    /**
     * Default constructor.
     */
    JModulePosition_t()
    {}


    /**
     * Constructor.
     *
     * \param  id             module identifier
     * \param  position       module position
     */
    JModulePosition_t(const JObjectID&   id,
                      const JPosition3D& position) :
      JObjectID  (id),
      JPosition3D(position)
    {}
  };


  /**
   * Convert module position to JSon.
   *
   * \param  js         json
   * \param  object     module position
   */
  inline void to_json(json& js, const JModulePosition_t& object)
  {
    js = json{ { DOMId_t, object.getID() },
               { PX_t,    object.getX()  },
               { PY_t,    object.getY()  },
               { PZ_t,    object.getZ()  } };
  }


  /**
   * Convert JSon to module position.
   *
   * \param  js         json
   * \param  object     module position
   */
  inline void from_json(const json& js, JModulePosition_t& object)
  {
    object.setID(js.at(DOMId_t).get<int>());

    object.setPosition(JPosition3D(js.at(PX_t).get<double>(),
                                   js.at(PY_t).get<double>(),
                                   js.at(PZ_t).get<double>()));
  }

  /**
   * Auxiliary data structure for module rotation.
   */
  struct JModuleRotation_t :
    public JObjectID,
    public JQuaternion3D
  {
    /**
     * Default constructor.
     */
    JModuleRotation_t()
    {}


    /**
     * Constructor.
     *
     * \param  id             module identifier
     * \param  rotation       module rotation
     */
    JModuleRotation_t(const JObjectID&     id,
                      const JQuaternion3D& rotation) :
      JObjectID    (id),
      JQuaternion3D(rotation)
    {}
  };


  /**
   * Convert module rotation to JSon.
   *
   * \param  js         json
   * \param  object     module rotation
   */
  inline void to_json(json& js, const JModuleRotation_t& object)
  {
    js = json{ { DOMId_t, object.getID() },
               { Q0_t,    object.getA()  },
               { QX_t,    object.getB()  },
               { QY_t,    object.getC()  },
               { QZ_t,    object.getD()  } };
  }


  /**
   * Convert JSon to module rotation.
   *
   * \param  js         json
   * \param  object     module rotation
   */
  inline void from_json(const json& js, JModuleRotation_t& object)
  {
    object.setID(js.at(DOMId_t).get<int>());

    object.setQuaternion(JQuaternion3D(js.at(Q0_t).get<double>(),
                                       js.at(QX_t).get<double>(),
                                       js.at(QY_t).get<double>(),
                                       js.at(QZ_t).get<double>()));
  }
  

  typedef std::vector<JHVCalibration_t>           JHVCalibration;           //!< PMT high voltage calibration
  typedef std::vector<JPMTThresholdCalibration_t> JPMTThresholdCalibration; //!< PMT threshold calibration
  typedef std::vector<JPMTCalibration_t>          JPMTCalibration;          //!< PMT time calibration
  typedef std::vector<JModulePosition_t>          JModulePosition;          //!< Module position
  typedef std::vector<JModuleRotation_t>          JModuleRotation;          //!< Module rotation
}

#endif