import { BASE_API_URI } from "$lib/utils/constants";
import { redirect } from "@sveltejs/kit";
import { userDatesFromRFC3339, refreshCookie } from "$lib/utils/helpers";

/** @type {import('./$types').LayoutServerLoad} */
export async function load({ cookies, fetch, locals }) {
  const jwt = cookies.get("jwt");
  try {
    // Fetch user data, subscriptions, and licence categories in parallel
    const response = await fetch(`${BASE_API_URI}/backend/users/all`, {
      credentials: "include",
      headers: {
        Cookie: `jwt=${jwt}`,
      },
    });
    if (!response.ok) {
      // Clear the invalid JWT cookie
      cookies.delete("jwt", { path: "/" });
      throw redirect(302, "/auth/login?next=/");
    }

    const data = await response.json();
    // Check if the server sent a new token
    const newToken = response.headers.get("Set-Cookie");
    refreshCookie(newToken, null);

    /** @type {App.Locals['users']}*/
    const users = data.users;

    users.forEach((user) => {
      userDatesFromRFC3339(user);
    });

    locals.users = users;
    return {
      subscriptions: locals.subscriptions,
      licence_categories: locals.licence_categories,
      users: locals.users,
      user: locals.user,
    };
  } catch (error) {
    console.error("Error fetching data:", error);
    // In case of any error, clear the JWT cookie
    cookies.delete("jwt", { path: "/" });

    throw redirect(302, "/auth/login?next=/");
  }
}