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import Iron from "@hapi/iron";
import { MAX_AGE, setTokenCookie, getTokenCookie } from "./auth-cookies";

const TOKEN_SECRET = process.env.TOKEN_SECRET;

export async function setLoginSession(res, session) {
  const createdAt = Date.now();
  // Create a session object with a max age that we can validate later
  const obj = { ...session, createdAt, maxAge: MAX_AGE };
  const token = await Iron.seal(obj, TOKEN_SECRET, Iron.defaults);

  setTokenCookie(res, token);
}

export async function getLoginSession(req) {
  const token = getTokenCookie(req);

  if (!token) return;

  const session = await Iron.unseal(token, TOKEN_SECRET, Iron.defaults);
  const expiresAt = session.createdAt + session.maxAge * 1000;

  // Validate the expiration date of the session
  if (Date.now() > expiresAt) {
    throw new Error("Session expired");
  }

  return session;
}