import { useUserStore } from "@/stores/user";
import type { NavigationGuardWithThis, RouteLocationNormalized } from "vue-router";

export const updateLoggedIn: NavigationGuardWithThis<undefined> = async () => {
  const loggedIn = getCookieValue("loginStatus") === "true";
  const userStore = useUserStore();

  userStore.$patch({ loggedIn });
  if (loggedIn && !userStore.id) {
    await userStore.fetchUser();
  }
};

export const redirectToLoginIfRequired: NavigationGuardWithThis<undefined> = (to) => {
  const userStore = useUserStore();
  if (loginRequired(to) && !userStore.loggedIn) {
    return `/login?next=${to.fullPath}`;
  }
};

export const getCookieValue = (cookieName: string): string => {
  // https://stackoverflow.com/questions/5639346/what-is-the-shortest-function-for-reading-a-cookie-by-name-in-javascript
  const cookieValue = document.cookie.match(
    "(^|[^;]+)\\s*" + cookieName + "\\s*=\\s*([^;]+)"
  );
  if (!cookieValue) {
    return "";
  }
  return cookieValue.pop() || "";
};

const loginRequired = (to: RouteLocationNormalized) => {
  return !to.meta?.public;
};