<?php


function logging() {
    include_once 'DataController.php';
    include_once 'DatabaseConnect.php';
    include_once 'DatabaseController.php';
    include_once __DIR__ . '/../modules/Mail.php';
    
    if ((new getSpecificData())->getLoggingStatus("GENERAL_BACKEND_LOGGING")[0]['WERT'] == 'ON') {
        
        mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);

        try {

        $ClientIP = (new getSpecificData())->getClientIP();
        $UserAgent = (new getSpecificData())->getUserAgent();
        $RequestURL = (new getSpecificData())->getRequestURL();
        $USERCOOKIE = (new getSpecificData())->getCookie("USER");
        $SessionID = (new getSpecificData())->getSessionID();
        $REQUESTTIME = (new getSpecificData())->getRequestTime();
        $QUERY = (new getSpecificData())->getQuery();
        $LAND = (new getSpecificData())->getGeoIP($ClientIP);
        $Whitelisted = (new getSpecificData())->getWhitelistedIPs();
        $node = (new getSpecificData())->getServerNode((new getSpecificData())->getServerIP());
        $username = $_SESSION['username'] ?? 'Unbekannt';
        $website = (new getSpecificData())->getWebsite();

        if ((new getSpecificData())->getLoggingStatus("DEV_BACKEND_LOGGING")[0]['WERT'] == 'OFF') {
            if (in_array($ClientIP, $Whitelisted)) {
                return;
            }
        }

        $db_conn = db_connect();

        $stmt = $db_conn->prepare("SELECT * FROM logs WHERE 
                `CLIENT_IP` LIKE ? and 
                `REQUEST_URL` = ? and 
                `REQUEST_URL` <> '/favicon.ico'
            ");
        
        $stmt->bind_param("ss", $ClientIP, $RequestURL);
        $stmt->execute();
        $stmt->store_result();

            if ($RequestURL !== '/favicon.ico') {
                if ($stmt->num_rows > 0) { //wenn mindestens eine zeile vorhanden ist für die client ip dann führe updates durch, wenn nicht mache neue zeile
                    $updateCounter = $db_conn->prepare("
                        UPDATE logs 
                        SET COUNTER = COUNTER + 1 
                        WHERE `CLIENT_IP` = ? 
                        AND `REQUEST_URL` = ?
                    ");
                    $updateCounter->bind_param("ss", $ClientIP, $RequestURL);
                    $updateCounter->execute();

                    $updateLastRequest = $db_conn->prepare("
                        UPDATE logs 
                        SET `LAST_REQUEST` = ?
                        WHERE `CLIENT_IP` = ? 
                        AND `REQUEST_URL` = ?
                    ");
                    $updateLastRequest->bind_param("sss", $REQUESTTIME, $ClientIP, $RequestURL);
                    $updateLastRequest->execute();
                    
                    $updateCookieValue = $db_conn->prepare("
                        UPDATE logs
                        SET `USER_COOKIE_VALUE` = ?
                        WHERE `CLIENT_IP` = ?
                        AND `REQUEST_URL` = ?
                    ");
                    $updateCookieValue->bind_param("sss", $USERCOOKIE, $ClientIP, $RequestURL);
                    $updateCookieValue->execute();
                } else {
                    DatabaseInsert(
                        "logs",
                        "CLIENT_IP, LAND, SERVER_IP, USER_AGENT, REQUEST_URL, USER_COOKIE_VALUE, USER_SESSION_VALUE, FIRST_REQUEST, QUERY, WEBSITE, USER",
                        $ClientIP, 
                        $LAND,
                        $node, 
                        $UserAgent, 
                        $RequestURL, 
                        $USERCOOKIE, 
                        $SessionID, 
                        $REQUESTTIME, 
                        $QUERY,
                        $website,
                        $username
                    );
                }
            }
        } catch (mysqli_sql_exception $e) {
            errorMail(
                "Logging failed",
                $e->getMessage(),
                true,
            );
            throw $e;
        }
    }
}