#pragma once
#include <cstdint>
#include <windows.h>

namespace System {

struct SysTimeStruct {
  uint16_t Year;         // NOLINT(readability-identifier-naming)
  uint16_t Month;        // NOLINT(readability-identifier-naming)
  uint16_t Day;          // NOLINT(readability-identifier-naming)
  uint16_t Hour;         // NOLINT(readability-identifier-naming)
  uint16_t Minute;       // NOLINT(readability-identifier-naming)
  uint16_t Second;       // NOLINT(readability-identifier-naming)
  uint16_t Milliseconds; // NOLINT(readability-identifier-naming)
  bool     is_invalid;   // NOLINT(readability-identifier-naming)
};

struct SysFileTimeStruct {
  FILETIME time;
  bool     is_invalid;
};

// NOLINTNEXTLINE(google-runtime-references)
inline void sys_file_to_system_time_utc(const SysFileTimeStruct& f, SysTimeStruct& t) {
  SYSTEMTIME s;

  if (f.is_invalid || (FileTimeToSystemTime(&f.time, &s) == 0)) {
    t.is_invalid = true;
    return;
  }

  t.is_invalid   = false;
  t.Year         = s.wYear;
  t.Month        = s.wMonth;
  t.Day          = s.wDay;
  t.Hour         = s.wHour;
  t.Minute       = s.wMinute;
  t.Second       = (s.wSecond == 60 ? 59 : s.wSecond);
  t.Milliseconds = s.wMilliseconds;
}

// NOLINTNEXTLINE(google-runtime-references)
inline void sys_time_t_to_system(time_t t, SysTimeStruct& s) {
  SysFileTimeStruct ft {};
  LONGLONG          ll   = Int32x32To64(t, 10000000) + 116444736000000000;
  ft.time.dwLowDateTime  = static_cast<DWORD>(ll);
  ft.time.dwHighDateTime = static_cast<DWORD>(static_cast<uint64_t>(ll) >> 32u);
  ft.is_invalid          = false;
  sys_file_to_system_time_utc(ft, s);
}

// NOLINTNEXTLINE(google-runtime-references)
inline void sys_system_to_file_time_utc(const SysTimeStruct& f, SysFileTimeStruct& t) {
  SYSTEMTIME s;

  s.wYear         = f.Year;
  s.wMonth        = f.Month;
  s.wDay          = f.Day;
  s.wHour         = f.Hour;
  s.wMinute       = f.Minute;
  s.wSecond       = f.Second;
  s.wMilliseconds = f.Milliseconds;

  t.is_invalid = (f.is_invalid || (SystemTimeToFileTime(&s, &t.time) == 0));
}

// Retrieves the current local date and time
// NOLINTNEXTLINE(google-runtime-references)
inline void sys_get_system_time(SysTimeStruct& t) {
  SYSTEMTIME s;
  GetLocalTime(&s);

  t.is_invalid   = false;
  t.Year         = s.wYear;
  t.Month        = s.wMonth;
  t.Day          = s.wDay;
  t.Hour         = s.wHour;
  t.Minute       = s.wMinute;
  t.Second       = (s.wSecond == 60 ? 59 : s.wSecond);
  t.Milliseconds = s.wMilliseconds;
}

// Retrieves the current system date and time in Coordinated Universal Time (UTC).
// NOLINTNEXTLINE(google-runtime-references)
inline void sys_get_system_time_utc(SysTimeStruct& t) {
  SYSTEMTIME s;
  GetSystemTime(&s);

  t.is_invalid   = false;
  t.Year         = s.wYear;
  t.Month        = s.wMonth;
  t.Day          = s.wDay;
  t.Hour         = s.wHour;
  t.Minute       = s.wMinute;
  t.Second       = (s.wSecond == 60 ? 59 : s.wSecond);
  t.Milliseconds = s.wMilliseconds;
}

inline void sys_query_performance_frequency(uint64_t* freq) {
  LARGE_INTEGER f;
  QueryPerformanceFrequency(&f);
  *freq = f.QuadPart;
}

inline void sys_query_performance_counter(uint64_t* counter) {
  LARGE_INTEGER c;
  QueryPerformanceCounter(&c);
  *counter = c.QuadPart;
}

} // namespace System