const redis = require("../Miscellaneous/redis");

async function isAuthenticated(res, req) {
    const cookieHeader = req.getHeader("cookie");
    const cookie = cookieHeader.split("ps=")[1]; 
    if (!cookie) {
        res.cork(() => res
        .writeStatus("400")
        .end("Unauthenticated"));

        return false;
    };

    const formattedCookie = cookie.split(".")[0].slice(4);
    const cookieInDB = await redis.get(`sess:${formattedCookie}`);
    if (!cookieInDB) {
        res.cork(() => res
        .writeStatus("400")
        .end("Unauthenticated"));

        return false;
    };
            
    const parsedCookie = JSON.parse(cookieInDB);
    if (!parsedCookie.isAdmin) {
        res.cork(() => res
        .writeStatus("400")
        .end("Unauthorized"));

        return false;
    };

    return true;
};

module.exports = isAuthenticated;