/*
 * Estonian ID card plugin for web browsers
 *
 * Copyright (C) 2010-2011 Codeborne <info@codeborne.com>
 *
 * This is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include "esteid_time.h"
#include "string.h"
#include <stdio.h>

#ifdef _WIN32

#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000Ui64
#else
  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000ULL
#endif

int gettimeofday(struct timeval *tv, struct timezone *tz) {
  FILETIME ft;
  unsigned __int64 tmpres = 0;
  static int tzflag;
 
  if (NULL != tv) {
    GetSystemTimeAsFileTime(&ft);
 
    tmpres |= ft.dwHighDateTime;
    tmpres <<= 32;
    tmpres |= ft.dwLowDateTime;
 
    tmpres /= 10;  /*convert into microseconds*/
    tmpres -= DELTA_EPOCH_IN_MICROSECS; /*converting file time to unix epoch*/
    tv->tv_sec = (long)(tmpres / 1000000UL);
    tv->tv_usec = (long)(tmpres % 1000000UL);
  }
 
  if (NULL != tz) {
    if (!tzflag) {
      _tzset();
      tzflag++;
    }
    tz->tz_minuteswest = _timezone / 60;
    tz->tz_dsttime = _daylight;
  }
  return 0;
}

#endif

char* getDateFromDateTime(const char* dateTime) {
	if(dateTime) {
		char *returnBuffer = strdup(dateTime);
		char* end = strchr(returnBuffer, ' ');
		if(end) {
			*end = '\0';
		}
		return returnBuffer;
	}
	else {
		return strdup("");
	}
}

#ifdef _WIN32
char* dateToString(FILETIME *filetime) {
	SYSTEMTIME systemtime;
	char buf[40] = {0};
	FileTimeToSystemTime(filetime, &systemtime);
	sprintf(buf, "%02d.%02d.%04d %02d:%02d:%02d", systemtime.wDay, systemtime.wMonth, systemtime.wYear, systemtime.wHour, systemtime.wMinute, systemtime.wSecond);
	return strdup(buf);
}
#endif