/*
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * Copyright (c) 1999-2001 Apple Computer, Inc.  All Rights Reserved. The
 * contents of this file constitute Original Code as defined in and are
 * subject to the Apple Public Source License Version 1.2 (the 'License').
 * You may not use this file except in compliance with the License.  Please
 * obtain a copy of the License at http://www.apple.com/publicsource and
 * read it before using this file.
 *
 * This Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.  Please
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 *
 */
/*
	File:		QTSSExpirationDate.cpp

	Contains:	Implementation of class defined in QTSSExpirationDate.h

	Written by:	Denis Serenyi

	Copyright:	© 1998 by Apple Computer, Inc., all rights reserved.


	

*/

#include "QTSSExpirationDate.h"

#include "MyAssert.h"
#include "OSHeaders.h"

#include <time.h>


Bool16	QTSSExpirationDate::sIsExpirationEnabled = false;
//must be in "5/12/1998" format, "m/d/4digityear"
char*	QTSSExpirationDate::sExpirationDate = "3/15/2002";

void QTSSExpirationDate::PrintExpirationDate()
{
	if (sIsExpirationEnabled)
		printf("Software expires on: %s\n", sExpirationDate);
}

void QTSSExpirationDate::sPrintExpirationDate(char* ioExpireMessage)
{
	if (sIsExpirationEnabled)
		sprintf(ioExpireMessage, "Software expires on: %s\n", sExpirationDate);
}


Bool16 QTSSExpirationDate::IsSoftwareExpired()
{
	if (!sIsExpirationEnabled)
		return false;
		
	SInt32 expMonth, expDay, expYear;
	if (EOF == ::sscanf(sExpirationDate, "%ld/%ld/%ld", &expMonth, &expDay, &expYear))
	{
		Assert(false);
		return true;
	}
	
	//sanity checks
	Assert((expMonth > 0) && (expMonth <= 12));
	if ((expMonth <= 0) || (expMonth > 12))
		return true;
	
	Assert((expDay > 0) && (expDay <= 31));
	if ((expDay <= 0) || (expDay > 31))
		return true;
		
	Assert(expYear >= 1998);
	if (expYear < 1998)
		return true;
	
	time_t theCurrentTime = ::time(NULL);
	Assert(theCurrentTime != -1);
	if (theCurrentTime == -1)
		return true;
		
	struct tm* theLocalTime = ::localtime(&theCurrentTime);
	Assert(theLocalTime != NULL);
	if (theLocalTime == NULL)
		return true;
		
	if (expYear > (theLocalTime->tm_year + 1900))
		return false;//ok
	if (expYear < (theLocalTime->tm_year + 1900))
		return true;//expired

	if (expMonth > (theLocalTime->tm_mon + 1))
		return false;//ok
	if (expMonth < (theLocalTime->tm_mon + 1))
		return true;//expired

	if (expDay > theLocalTime->tm_mday)
		return false;//ok
	else
		return true;//expired
}