import { createRouter, createWebHistory } from "vue-router";
import HomePage from "@/views/HomePage.vue";
import LoginPage from "@/views/LoginPage.vue";
import SignupPage from "@/views/SignupPage.vue";
import CheckEmailPage from "@/views/CheckEmailPage.vue";
import ConfirmEmailPage from "@/views/ConfirmEmailPage.vue";
import ProfilePage from "@/views/ProfilePage.vue";
import PostPage from "@/views/PostPage.vue";
import NewPostPage from "@/views/NewPostPage.vue";
import { useAuthStore } from "@/stores/auth";

const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  routes: [
    { path: "/", name: "home", component: HomePage },
    {
      path: "/login",
      name: "login",
      component: LoginPage,
      beforeEnter: requireGuest,
    },
    {
      path: "/signup",
      name: "signup",
      component: SignupPage,
      beforeEnter: requireGuest,
    },
    {
      path: "/check-email",
      name: "check-email",
      component: CheckEmailPage,
    },
    {
      path: "/confirm-email",
      name: "confirm-email",
      component: ConfirmEmailPage,
      beforeEnter: (to) => {
        if (!to.query.token) return { name: "login" };
      },
    },
    {
      path: "/users/:displayName",
      name: "profile",
      component: ProfilePage,
      props: true,
    },
    {
      path: "/users/:displayName/posts/new",
      name: "new-post",
      component: NewPostPage,
      props: true,
      beforeEnter: requireAuth,
    },
    {
      path: "/posts/:id",
      name: "post",
      component: PostPage,
      props: true,
    },
  ],
});

router.beforeEach(async () => {
  const auth = useAuthStore();
  if (!auth.checked) {
    await auth.fetchMe();
  }
  auth.clearError();
});

async function requireGuest() {
  const auth = useAuthStore();
  if (!auth.checked) await auth.fetchMe();
  if (auth.user) return { name: "home" };
}

async function requireAuth() {
  const auth = useAuthStore();
  if (!auth.checked) await auth.fetchMe();
  if (!auth.user) return { name: "login" };
}

export default router;