import { createRouter, createWebHistory } from 'vue-router'

import { useAuthStore } from '@/stores/auth'

const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  routes: [
    {
      path: '/',
      name: 'home',
      component: () => import('@/views/HomeView.vue'),
      meta: {
        guestOnly: true,
      },
    },
    {
      path: '/login',
      name: 'login',
      component: () => import('@/views/LoginView.vue'),
      meta: {
        guestOnly: true,
      },
    },
    {
      path: '/signup',
      name: 'signup',
      component: () => import('@/views/SignupView.vue'),
      meta: {
        guestOnly: true,
      },
    },
    {
      path: '/check-email',
      name: 'check-email',
      component: () => import('@/views/CheckEmailView.vue'),
      meta: {
        guestOnly: true,
      },
      beforeEnter: () => {
        if (!useAuthStore().signupCompleted) {
          return { name: 'signup' }
        }
      },
    },
    {
      path: '/confirm-email',
      name: 'confirm-email',
      component: () => import('@/views/ConfirmEmailView.vue'),
      meta: {
        guestOnly: true,
      },
      beforeEnter: (to) => {
        if (typeof to.query.token !== 'string' || to.query.token === '') {
          return { name: 'signup' }
        }
      },
    },
    {
      path: '/dashboard',
      name: 'dashboard',
      component: () => import('@/views/DashboardView.vue'),
      meta: {
        requiresAuth: true,
      },
    },
  ],
})

router.beforeEach(async (to) => {
  const authStore = useAuthStore()

  if (to.meta.requiresAuth && !authStore.isAuthenticated) {
    const restoredSession = await authStore.fetchMe()
    if (!restoredSession) {
      return {
        name: 'login',
        query: {
          redirect: to.fullPath,
        },
      }
    }
  }

  if (to.meta.guestOnly) {
    let restoredSession = authStore.isAuthenticated
    if (!restoredSession) {
      restoredSession = await authStore.fetchMe()
    }

    if (restoredSession) {
      return {
        name: 'dashboard',
      }
    }
  }
})

export default router