const fs                    = require("fs/promises");

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

module.exports = async (res, req) => {
    const cookieHeader = req.getHeader("cookie");
    const cookie = cookieHeader.split("ps=")[1]; 

    res.onAborted(() => res.isAborted = true);

    if (!cookie) {
      console.info("no cookie");
      return res
        .writeStatus("301 moved permanently")
        .writeHeader("Location", "redirect")
        .end();
    };

    const formattedCookie = cookie.split(".")[0].slice(4);
    const cookieInDB = await redis.get(`sess:${formattedCookie}`);

    if (!cookieInDB) {
      console.info("no db");
      return res
        .writeStatus("301 moved permanently")
        .writeHeader("Location", "redirect")
        .end();
    };

    const parsedCookie = JSON.parse(cookieInDB);
    if (!parsedCookie.accountID) {
      console.info("no account id");
      return res
        .writeStatus("301 moved permanently")
        .writeHeader("Location", "redirect")
        .end();
    };

    const html = await fs.readFile("../../TestEnvironment/dist/production/index.html")
    .catch(e => {
      res.cork(() => {
        res
        .writeStatus("404")
        .end();
      });
    });
    
    if (!html) return;

    res.cork(() => {
      res
      .writeStatus("200 OK")
      .writeHeader("Content-Type", "text/html")
      .end(html);
    });
}