#pragma once
#include "mregex.h"
#include "ncfuncs.h"
#include "simple2ddata.h"
#include <dirent.h>
#include <utility>

using michlib::Ceil;
using michlib::DetGeoDomain;
using michlib::Floor;
using michlib::GPL;
using michlib::int2;
using michlib::int4;
using michlib::RegExp;

class AVISOLOCALData: public NCFuncs
{
 std::vector<MDateTime> times;
 MString                datapath;

 struct Parameters: public BaseParameters
 {
  real lonb, latb, lone, late;
  virtual ~Parameters() override = default;
 };

 public:
 static constexpr const char* name = "AVISOLOCAL";

 using Data = Simple2DData;

 AVISOLOCALData() = default;

 static MString DataTitle() { return "AVISO local mirror"; }

 MString Info() const;
 // TODO: RetVal
 MString Open(const CLArgs& args);

 std::pair<const BaseParameters*, MString> Parameters(michlib_internal::ParameterListEx& pars, const CLArgs& args, const struct Region& reg) const;

 bool isOk() const { return times.size() > 0; }

 size_t NTimes() const { return times.size(); }

 MDateTime Time(size_t i) const
 {
  if(!isOk() || i >= times.size()) return MDateTime();
  return times[i];
 }

 time_t Timestep() const { return isOk() ? (times[1] - times[0]).Seconds() : 0; }

 explicit operator bool() const { return times.size() > 0; }

 VarPresence CheckVar(const MString& vname) const
 {
  NCFileA nc;
  nc.Reset(datapath + "/uv-" + times[0].ToString() + ".nc");
  return NCFuncs::CheckVar(vname, [&nc = std::as_const(nc)](const MString& vn) { return HaveVar(nc, vn); });
 }

 bool Read(const MString& vname, std::map<MString, Data>& cache, const BaseParameters* ip, size_t i) const;

 template<class DataType> Data ReadVarRaw(const NCFileA& nc, const MString& name, const struct Parameters* p) const;
};