#pragma once
#include "DataAdapters/ncfilealt.h"
#include "mdatetime.h"
#include <set>
#include <tuple>

using michlib::MDateTime;
using michlib::MString;
using michlib::NCFileA;

class NCFuncs
{
 public:
 struct CoordNames
 {
  MString lonname, latname, depthname, timename;
  size_t  nx, ny, nz, nt;
 };

 static MString                             StName2Name(const MString& stname);
 static std::tuple<MDateTime, time_t, bool> Refdate(const MString& refdate);
 static void                                GetVars(const NCFileA& nc, std::set<MString>& vars);
 static CoordNames                          GetCNames(const NCFileA& nc);
 static CoordNames                          GetDNames(const NCFileA& nc);
 static bool                                HaveVar(const NCFileA& nc, const MString& vname);
 template<class HV> static bool             CheckVar(const MString& vname, HV hv)
 {
  if(!hv(vname))
  {
   bool varexist = false;
   if(vname == "temp" && hv("ptemp") && hv("sal")) varexist = true;
   if(vname == "ptemp" && hv("temp") && hv("sal")) varexist = true;
   if(vname == "pdens" && (hv("ptemp") || hv("temp")) && hv("sal")) varexist = true;
   if((vname == "U" || vname == "U2") && hv("u") && hv("v")) varexist = true;
   if(!varexist) return false;
  }
  return true;
 }
};