<?php
$maintenance = false;
if(!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
{
	echo '<script>document.location = "https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] . '";</script>';
	exit;
}

$browser = 'Other';
$user_agent = $_SERVER['HTTP_USER_AGENT'];
if(strpos($user_agent, 'Opera') || strpos($user_agent, 'OPR/')) $browser = 'Opera';
else if(strpos($user_agent, 'Edge')) $browser = 'Edge';
else if(strpos($user_agent, 'Chrome')) $browser = 'Chrome';
else if(strpos($user_agent, 'Safari')) $browser = 'Safari';
else if(strpos($user_agent, 'Firefox')) $browser = 'Firefox';
else if(strpos($user_agent, 'MSIE') || strpos($user_agent, 'Trident/7')) $browser = 'Internet Explorer';

if($maintenance)
{
	include("../maintenance.html");
}
else if(date("G") < 6 && date("w") > 1)
{
	include("../backup.html");
}
else if($browser == "Edge" && !(isset($_GET["proceed"]) && $_GET["proceed"] == "true"))
{
?>
<body>
<div style='width:500px;margin:20px auto;padding:20px;box-shadow: 0 2px 2px 0 rgba(0,0,0,0.14), 0 1px 5px 0 rgba(0,0,0,0.12), 0 3px 1px -2px rgba(0,0,0,0.2);'>
	<div style='text-align:center;font-size:1.5em;margin-bottom:10px;'>Edge Browser</div>
	<div style='margin-bottom:20px;'>We have detected that you are using the Edge browser. Some features may not work correctly. We recommend using a different browser, such as Google Chrome, Mozilla Firefox, or Apple Safari.</div>
	<div style='margin:40px;text-align:center;display:block;'>
		<a href='?proceed=true' style='padding:20px;text-align:center;color:white;background-color:#193264;cursor:pointer;text-decoration:none;'>Proceed Anyway</a>
	</div>
</div>
</body>
<?php
}
else
{
	echo '<script>document.location = "https://knox01.covenant.edu:8443/StudentSelfService/login/auth"</script>';
}
?>