import { createRouter, createWebHistory } from 'vue-router'
import { useUserStore } from '../stores/user'
import { useSettingsStore } from '../stores/settings'
import Login from '../views/auth/Login.vue'
import Setup from '../views/auth/Setup.vue'
import Register from '../views/auth/Register.vue'
import Dashboard from '../views/Dashboard.vue'
import Users from '../views/Users.vue'
import Restaurants from '../views/Restaurants.vue'
import AdminSettings from '../views/AdminSettings.vue'
import Profile from '../views/Profile.vue'
import NotFound from '../views/NotFound.vue'

const routes = [
  { path: '/login', component: Login, meta: { title: 'Login', requiresAuth: false } },
  { path: '/register', component: Register, meta: { title: 'Register', requiresAuth: false } },
  { path: '/setup', component: Setup, meta: { title: 'Setup', requiresAuth: false } },
  { path: '/', redirect: '/dashboard' },
  { path: '/dashboard', component: Dashboard, meta: { requiresAuth: true, title: 'Dashboard' } },
  { path: '/users', component: Users, meta: { requiresAuth: true, requiresAdmin: true, title: 'Users' } },
  { path: '/restaurants', component: Restaurants, meta: { requiresAuth: true, title: 'Restaurants' } },
  { path: '/settings', component: AdminSettings, meta: { requiresAuth: true, requiresAdmin: true, title: 'Settings' } },
  { path: '/profile', component: Profile, meta: { requiresAuth: true, title: 'Profile' } },
  { path: '/:pathMatch(.*)*', name: 'NotFound', component: NotFound, meta: { title: 'Page Not Found', requiresAuth: false } }
]

const router = createRouter({ history: createWebHistory(), routes })

router.beforeEach(async (to, from, next) => {
  const settings = useSettingsStore()
  if (!settings.siteName) await settings.loadSettings()

  document.title = to.meta.title ? `${to.meta.title} | ${settings.siteName}` : settings.siteName

  // Проверка необходимости установки (setup)
  try {
    const statusRes = await fetch('/api/status')
    const status = await statusRes.json()
    if (status.needsSetup && to.path !== '/setup') {
      next('/setup')
      return
    }
  } catch (e) { console.error('Failed to check status', e) }

  const userStore = useUserStore()
  // Если профиль ещё не загружен – загружаем
  if (userStore.role === '') {
    await userStore.fetchProfile()
  }

  // Если уже залогинены и пытаемся зайти на login/register – редирект на дашборд
  if (userStore.id && (to.path === '/login' || to.path === '/register')) {
    next('/dashboard')
    return
  }

  // Проверка доступности регистрации
  if (to.path === '/register' && !settings.enableRegistration) {
    next('/login')
    return
  }

  const requiresAuth = to.matched.some(record => record.meta.requiresAuth)
  const requiresAdmin = to.matched.some(record => record.meta.requiresAdmin)

  if (requiresAuth && !userStore.id) {
    next('/login')
  } else if (requiresAdmin && userStore.role !== 'admin') {
    next('/dashboard')
  } else {
    next()
  }
})

export default router