// Copyright (c) 2013-2015 IONU Security, Inc. All rights reserved.
//
// Time utility class

#ifndef eyetime_h
#define eyetime_h

#ifdef WIN32
#  ifdef DLLEXPORT
#    define LIBEYE_DLL __declspec(dllexport)
#  else
#    define LIBEYE_DLL __declspec(dllimport)
#  endif
#else
#define LIBEYE_DLL
#endif

#ifdef WIN32
struct _SYSTEMTIME;
typedef _SYSTEMTIME SYSTEMTIME;
#endif

namespace sequencelogic {

// Time utility class
class EyeTime {
 public:
   LIBEYE_DLL EyeTime (const char* timestr);
   LIBEYE_DLL EyeTime ();
   LIBEYE_DLL ~EyeTime ();

   LIBEYE_DLL bool SetTime (const char* timestr);
   LIBEYE_DLL bool SetTime (time_t t);
#ifdef WIN32
   LIBEYE_DLL bool EyeTime::SetTime (SYSTEMTIME sysTime);
#endif
   LIBEYE_DLL bool SetTimeMs (long long tMs);
   LIBEYE_DLL time_t GetTime();
#ifdef WIN32
   LIBEYE_DLL SYSTEMTIME EyeTime::GetSysTime();
#endif
   LIBEYE_DLL long long GetTimeMs();
   LIBEYE_DLL bool GetFileTime (const std::string& path);
   LIBEYE_DLL bool SetFileTime (const std::string& path);
   LIBEYE_DLL const char* GetUnixTime ();
   LIBEYE_DLL const char* GetISO8601Time ();
   LIBEYE_DLL const char* GetISO8601TimeMs ();
   LIBEYE_DLL const char* GetLocalISO8601Time ();
   LIBEYE_DLL double SecondsFromNow ();
   LIBEYE_DLL void Dump ();

   LIBEYE_DLL int Compare (const EyeTime* other) const;
   LIBEYE_DLL int Compare (const EyeTime& other) const    { return Compare(&other); }

   LIBEYE_DLL bool operator ==(const EyeTime* n) const    { return Compare(n)==0; }
   LIBEYE_DLL bool operator ==(const EyeTime& n) const    { return Compare(n)==0; }

   LIBEYE_DLL bool operator !=(const EyeTime* n) const    { return Compare(n)!=0; }
   LIBEYE_DLL bool operator !=(const EyeTime& n) const    { return Compare(n)!=0; }

   LIBEYE_DLL bool operator <(const EyeTime*n) const      { return Compare(n)<0; }
   LIBEYE_DLL bool operator <(const EyeTime&n) const      { return Compare(n)<0; }

   LIBEYE_DLL bool operator >(const EyeTime*n) const      { return Compare(n)>0; }
   LIBEYE_DLL bool operator >(const EyeTime&n) const      { return Compare(n)>0; }

   LIBEYE_DLL bool operator <=(const EyeTime*n) const     { return Compare(n)<=0; }
   LIBEYE_DLL bool operator <=(const EyeTime&n) const     { return Compare(n)<=0; }

   LIBEYE_DLL bool operator >=(const EyeTime*n) const     { return Compare(n)>=0; }
   LIBEYE_DLL bool operator >=(const EyeTime&n) const     { return Compare(n)>=0; }


   LIBEYE_DLL friend std::ostream& operator<< (std::ostream& stream, EyeTime& et);

 private:
   char _isodate[28];
   unsigned int year;
   unsigned int month;
   unsigned int wday; // Day of the week
   unsigned int day;  // Day of the month
   unsigned int yday; // Day of the year
   unsigned int hour;
   unsigned int minute;
   unsigned int second;
   unsigned int millisec;
   int utc;       // Offset from UTC (Zulu, GMT)
   int daylight;  // Daylight savings time offset

   void Cap();
   void SetWeekDay();
   void SetYearDay();
   void ConvertToLocalTime();
   void ConvertToGMTime();
};

} //namespace sequencelogic
#endif