#ifndef PPPSATOBS_H
#define PPPSATOBS_H

#include <string>
#include <map>
#include <newmat.h>
#include "pppInclude.h"
#include "satObs.h"
#include "bnctime.h"

namespace BNC_PPP {

  class t_pppStation;

  class t_pppSatObs {
  public:
    t_pppSatObs(const t_satObs& satObs);
    ~t_pppSatObs();
    bool                isValid() const {return _valid;};
    bool                isValid(t_lc LC) const;
    t_lc                rangeLC() const {return _rangeLC;};
    bool                isReference() const {return _reference;};
    void                setAsReference() {_reference = true;};
    void                resetReference() {_reference = false;};
    const t_prn&        prn() const {return _prn;}
    const ColumnVector& xc() const {return _xcSat;}
    const bncTime&      time() const {return _time;}
    t_irc               cmpModel(const t_pppStation* station);
    double              obsValue(t_lc LC, bool* valid = 0) const;
    double              cmpValue(t_lc LC) const;
    double              cmpValueForBanc(t_lc LC) const;
    double              rho() const {return _model._rho;}
    double              sagnac() const {return _model._sagnac;}
    double              eleSat() const {return _model._eleSat;}
    bool                modelSet() const {return _model._set;}
    void                printModel() const;
    void                printObsMinusComputed() const;
    void                lcCoeff(t_lc LC,
                                std::map<t_frequency::type, double>& codeCoeff,
                                std::map<t_frequency::type, double>& phaseCoeff,
                                std::map<t_frequency::type, double>& ionoCoeff) const;
    double              lambda(t_lc LC) const;
    double              sigma(t_lc LC) const;
    double              maxRes(t_lc LC) const;
    bool                outlier() const {return _outlier;}
    void                setOutlier() {_outlier = true;}
    void                resetOutlier() {_outlier = false;}
    void                setRes(t_lc LC, double res);
    double              getRes(t_lc LC) const;
    bool                setPseudoObsIono(t_frequency::type freq);
    double              getIonoCodeDelay(t_frequency::type freq) {return _model._ionoCodeDelay[freq];}
    double              getCodeBias(t_frequency::type freq) {return _model._codeBias[freq];}
    bool                hasBiases() const;

    // RINEX
    bool slip() const {
      for (unsigned ii = 1; ii < t_frequency::max; ii++) {
        if (_obs[ii] && _obs[ii]->_slip) {
          return true;
        }
      }
      return false;
    }

    // RTCM
    int slipCounter() const {
      int cnt = -1;
      for (unsigned ii = 1; ii < t_frequency::max; ii++) {
        if (_obs[ii] && _obs[ii]->_slipCounter > cnt) {
          cnt = _obs[ii]->_slipCounter;
        }
      }
      return cnt;
    }

    int biasJumpCounter() const {
      int jmp = -1;
      for (unsigned ii = 1; ii < t_frequency::max; ii++) {
        if (_obs[ii] && _obs[ii]->_biasJumpCounter > jmp) {
          jmp = _obs[ii]->_biasJumpCounter;
        }
      }
      return jmp;
    }

  private:
    class t_model {
    public:
      t_model() {reset();}
      ~t_model() {}
      void reset() {
        _set       = false;
        _rho       = 0.0;
        _eleSat    = 0.0;
        _azSat     = 0.0;
        _elTx      = 0.0;
        _azTx      = 0.0;
        _recClkM   = 0.0;
        _satClkM   = 0.0;
        _sagnac    = 0.0;
        _antEcc    = 0.0;
        _tropo     = 0.0;
        _tropo0    = 0.0;
        _tideEarth = 0.0;
        _tideOcean = 0.0;
        _windUp    = 0.0;
        _rel       = 0.0;
        for (unsigned ii = 0; ii < t_frequency::max; ii++) {
          _antPCO[ii]        = 0.0;
          _codeBias[ii]      = 0.0;
          _phaseBias[ii]     = 0.0;
          _ionoCodeDelay[ii] = 0.0;
        }
      }
      bool   _set;
      double _rho;
      double _eleSat;
      double _azSat;
      double _elTx;
      double _azTx;
      double _recClkM;
      double _satClkM;
      double _sagnac;
      double _antEcc;
      double _tropo;
      double _tropo0;
      double _tideEarth;
      double _tideOcean;
      double _windUp;
      double _rel;
      double _antPCO[t_frequency::max];
      double _codeBias[t_frequency::max];
      double _phaseBias[t_frequency::max];
      double _ionoCodeDelay[t_frequency::max];
    };

    void prepareObs(const t_satObs& satObs);

    bool isBetter(const t_frqObs* aa, t_frqObs* bb, const std::string& trkModes) const;

    bool                   _valid;
    bool                   _reference;
    t_lc                   _rangeLC;
    t_prn                  _prn;
    bncTime                _time;
    int                    _channel;
    t_frqObs*              _obs[t_frequency::max];
    ColumnVector           _xcSat;
    ColumnVector           _vvSat;
    t_model                _model;
    bool                   _outlier;
    std::map<t_lc, double> _res;
    double                 _signalPropagationTime;
    double                 _stecSat;
    double                 _tropo0;
  };

}

#endif
