<?

include('../../files/secure/db_access_esbnet_biam_db.php');

$client_ip_address = $_SERVER['REMOTE_ADDR'];
$my_ip_sql = "SELECT * FROM `my_ip_tbl`  WHERE `ip`='$client_ip_address'";
$my_ip_qry = $con->query($my_ip_sql);
$my_ip_nums = $my_ip_qry->num_rows;
if($my_ip_nums>0){
	// do not add
} else {
	
function getBrowserAndOS($userAgent) {
    // Default values
    $browserName = 'Unknown';
    $osName = 'Unknown';

    // Detect browser
    if (preg_match('/Chrome/i', $userAgent)) {
        $browserName = 'Chrome';
    } elseif (preg_match('/Safari/i', $userAgent) && !preg_match('/Chrome/i', $userAgent)) {
        $browserName = 'Safari';
    } elseif (preg_match('/Firefox/i', $userAgent)) {
        $browserName = 'Firefox';
    } elseif (preg_match('/MSIE/i', $userAgent) || preg_match('/Trident/i', $userAgent)) {
        $browserName = 'Internet Explorer';
    } elseif (preg_match('/Edge/i', $userAgent)) {
        $browserName = 'Edge';
    }

    // Detect OS
    if (preg_match('/Win/i', $userAgent)) {
        $osName = 'Windows';
    } elseif (preg_match('/Mac/i', $userAgent)) {
        $osName = 'MacOS';
    } elseif (preg_match('/X11/i', $userAgent)) {
        $osName = 'UNIX';
    } elseif (preg_match('/Linux/i', $userAgent)) {
        $osName = 'Linux';
    }

    return array('browser' => $browserName, 'os' => $osName);
}

// Get the user agent from the HTTP headers
$user_agent = $_SERVER['HTTP_USER_AGENT'];

// Get browser and OS information
$info = getBrowserAndOS($user_agent);

$browser = $info['browser'];
$os = $info['os'];

// Determine the correct client IP address
if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])) {
    // Takes the first IP from the X-Forwarded-For header if there are multiple
    $ips = explode(',', $_SERVER["HTTP_X_FORWARDED_FOR"]);
    $client_ip_address = trim($ips[0]);
} else {
    $client_ip_address = $_SERVER['REMOTE_ADDR'];
}

function getABTestVariant() {
    // Check if a user session exists
    if (session_status() == PHP_SESSION_NONE) {
        session_start();
    }

	
    // If the user doesn't have a variant assigned, assign one
    if (!isset($_SESSION['ab_test_variant'])) {
        // Randomly assign 'A' or 'B'
        $_SESSION['ab_test_variant'] = (rand(0, 1) == 0) ? 'A' : 'B';
    }

    return $_SESSION['ab_test_variant'];
}

// Determine the variant for the current user
$variant = getABTestVariant();
$session_id = session_id();

// Other parts of your script
$analytics_bots_sql = "SELECT * FROM `analytics_bots_tbl` WHERE `agent`='$user_agent'";
$analytics_bots_qry = $con->query($analytics_bots_sql);
$analytics_bots_nums = $analytics_bots_qry->num_rows;
if($analytics_bots_nums < 1){
    $page_request_scheme = $_SERVER["REQUEST_SCHEME"];
    $page_host = $_SERVER['HTTP_HOST'];
    $page_self = $_SERVER["PHP_SELF"];
    $page_query = $_SERVER["QUERY_STRING"];
    $page_construct = $page_request_scheme . '://' . $page_host . $page_self . '?' . $page_query;
    $year = gmdate('Y', $now);
    $month = gmdate('n', $now);
    $day = gmdate('j', $now);
    $hour = gmdate('G', $now); // not BST friendly
    $analytics_sql = "SELECT * FROM `analytics_tbl` WHERE `ip_address`='$client_ip_address' LIMIT 1";
    $analytics_qry = $con->query($analytics_sql);
    $analytics_nums = $analytics_qry->num_rows;
    if($analytics_nums < 1){
        $details = json_decode(file_get_contents("https://ipinfo.io/{$client_ip_address}/json"));
        $ip_city = $details->city;
        $ip_country = $details->country;
        $ip_host = $details->org;
    } else {
        $analytics_rst = $analytics_qry->fetch_assoc();
        $ip_city = $analytics_rst['ip_city'];
        $ip_country = $analytics_rst['ip_country'];
        $ip_host = $analytics_rst['ip_host'];
    }
	if(end(explode('.',$page_query))!='png'&&end(explode('.',$page_query))!='webp'&&end(explode('.',$page_query))!='ico'){
		if(!isset($_COOKIE['tracking'])){
			if(isset($_SERVER['HTTP_REFERER'])){
				$page_referer = $_SERVER['HTTP_REFERER'];
			} else {
				$page_referer = '';
			}
			$sql = "INSERT INTO `analytics_tbl`(`referer`, `ip_address`, `ip_host`, `ip_city`, `ip_country`, `agent`, `page`, `host`, `site`, `query`, `timestamp`, `year`, `month`, `day`, `hour`, `bot`,`browser`,`os`,`cookie_id`) VALUES ('$page_referer','$client_ip_address','$ip_host','$ip_city','$ip_country','$user_agent','$page_construct','$page_host','$page_self','$page_query','$now','$year','$month','$day','$hour','0','$browser','$os','$session_id')";
			$con->query($sql);
			
			$limit = $now + (60 * 15);
			$analytics_session_sql = "SELECT * FROM `analytics_sessions_tbl` WHERE `ip`='$client_ip_address' AND `agent`='$user_agent' AND `timestamp`<'$limit'";
			// echo $analytics_session_sql;
			$analytics_session_qry = $con->query($analytics_session_sql);
			$analytics_session_nums = $analytics_session_qry->num_rows;
			if($analytics_session_nums<1){
				$con->query("INSERT INTO `analytics_sessions_tbl`(`ID`, `ip`, `agent`, `timestamp`) VALUES ('','$client_ip_address','$user_agent','$now')");
			}
			// send ID to js for more browser info wxh
			$inserted_id = $con->insert_id;
		} else {
			// tracking cookie exists
			// send more info
		}
	}
}	

} 
?>