/***************************************************************************
 *   Copyright (C) 2008 by Daniel Tamney   *
 *   danskunk@rogers.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <iostream>
#include <cstdlib>
#include <string>

using namespace std;

long timestamp(string date)
{
	string strday, strmonth, stryear;
	long day, month, year, leapdays, timestamp;
	long monthdaysl[] = {0, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335};
	long monthdays[] = {0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
	bool leapyear;
	strday = date[0];
	strday += date[1];
	day = atol(strday.c_str());
	strmonth = date[3];
	strmonth += date[4];
	month = atol(strmonth.c_str());
	stryear = date[6];
	stryear += date[7];
	year = atol(stryear.c_str());
	year += 2000;
	leapdays = (year - 1968) / 4 - (year - 1900) / 100 + (year - 1600) / 400;
	leapyear = (year % 4) && !(year % 100) || (year % 400);
	if (leapyear)
	{
		leapdays -= 1;
		timestamp = ((year - 1970) * 365 + monthdaysl[month] + day + leapdays) * 24 * 60 * 60 - 5 * 60 * 60;
		
	}
	else
	{
		timestamp = ((year - 1970) * 365 + monthdays[month] + day + leapdays) * 24 * 60 * 60 + 5 * 60 * 60;
	}
	return timestamp;
}

int main(int argc, char *argv[])
{
	cout << "Datestamp is: ";
	cout << timestamp(argv[1]);
	cout << "\n";
}