import { createRouter, createWebHistory } from 'vue-router'
import Empty from '@/layouts/empty.vue'
import { currentLang, langs } from './langs'
import { getSettings } from './settings'
import { useAuthStore } from '@/stores/auth'
import Default from '@/layouts/default.vue'

// Helper: read the non-HTTPOnly is_authenticated cookie set by the backend.
// The backend sets it to "1" on login and removes it on logout.
function isAuthenticated(): boolean {
  if (typeof document === 'undefined') return false
  return document.cookie.split('; ').some((c) => c === 'is_authenticated=1')
}


await getSettings()


const router = createRouter({
  history: createWebHistory(import.meta.env.VITE_BASE_URL),
  routes: [
    {
      path: '/',
      redirect: () => `/${currentLang.value?.iso_code}`,
    },
    {
      path: '/:locale',
      children: [
        {
          path: '',
          component: Default,
          children: [
            { path: '', component: () => import('../views/RepoChartView.vue'), name: 'home' },
            { path: 'products', component: () => import('../views/customer/ProductsView.vue'), name: 'products' },
            { path: 'products-datail/', component: () => import('../views/customer/ProductDetailView.vue'), name: 'product-detail' },
          ],
        },
        {
          path: '',
          component: Empty,
          children: [
            { path: 'login', component: () => import('@/views/LoginView.vue'), name: 'login', meta: { guest: true } },
            { path: 'register', component: () => import('@/views/RegisterView.vue'), name: 'register', meta: { guest: true } },
            { path: 'password-recovery', component: () => import('@/views/PasswordRecoveryView.vue'), name: 'password-recovery', meta: { guest: true } },
            { path: 'reset-password', component: () => import('@/views/ResetPasswordForm.vue'), name: 'reset-password', meta: { guest: true } },
            { path: 'verify-email', component: () => import('@/views/VerifyEmailView.vue'), name: 'verify-email', meta: { guest: true } },
          ],
        },
      ],
    },
  ],
})

// Navigation guard: language handling + auth protection
router.beforeEach((to, from, next) => {
  const locale = to.params.locale as string
  const localeLang = langs.find((x) => x.iso_code == locale)

  // Check if the locale is valid
  if (locale && langs.length > 0) {
    const authStore = useAuthStore()
    console.log(authStore.isAuthenticated,to, from)
    // if()
    const validLocale = langs.find((l) => l.lang_code === locale)

    if (validLocale) {
      currentLang.value = localeLang

      // Auth guard: if the route does NOT have meta.guest = true, require authentication
      if (!to.meta?.guest && !isAuthenticated()) {
        return next({ name: 'login', params: { locale } })
      }

      return next()
    } else if (locale) {
      // Invalid locale - redirect to default language
      return next(`/${currentLang.value?.iso_code}${to.path.replace(`/${locale}`, '') || '/'}`)
    }
  }

  // No locale in URL - redirect to default language
  if (!locale && to.path !== '/') {
    return next(`/${currentLang.value?.iso_code}${to.path}`)
  }

  next()
})

export default router