import { Api } from 'nocodb-sdk'
import { defineNuxtPlugin } from 'nuxt3/app'

const addAxiosInterceptors = ($api: Api<any>) => {
  const router = useRouter()
  const route = useRoute()

  const { user, setToken } = useUser()

  $api?.instance?.interceptors.request.use((config) => {
    config.headers['xc-gui'] = 'true'

    if (user?.token)
      config.headers['xc-auth'] = user?.token

    if (!config.url.endsWith('/user/me') && !config.url.endsWith('/admin/roles')) {
      // config.headers['xc-preview'] = store.state.users.previewAs
    }

    if (!config.url.endsWith('/user/me') && !config.url.endsWith('/admin/roles')) {
      if (route && route.params && route.params.shared_base_id)
        config.headers['xc-shared-base-id'] = route.params.shared_base_id
    }

    return config
  })

  // $axios.setBaseURL('http://localhost:8080')

  $api?.instance?.interceptors.response.use((response) => {
    // Return a successful response back to the calling service
    return response
  }, (error) => {
    if (error.response && error.response.data && error.response.data.msg === 'Database config not found') {
      router.replace('/project/0')
      return
    }

    // Return any error which is not due to authentication back to the calling service
    if (!error.response || error.response.status !== 401) {
      return new Promise((resolve, reject) => {
        reject(error)
      })
    }

    // Logout user if token refresh didn't work or user is disabled
    if (error.config.url === '/auth/refresh-token') {
      // todo: clear token
      // store.dispatch('users/ActSignOut')
      setToken(null)

      return new Promise((resolve, reject) => {
        reject(error)
      })
    }

    // Try request again with new token
    return $api.instance.post('/auth/refresh-token', null, {
      withCredentials: true,
    })
      .then((token) => {
        // New request with new token
        const config = error.config
        config.headers['xc-auth'] = token.data.token
        user.token = token.data.token

        return new Promise((resolve, reject) => {
          $api.instance.request(config).then((response) => {
            resolve(response)
          }).catch((error) => {
            reject(error)
          })
        })
      })
      .catch(async (error) => {
        // todo: clear token
        // await store.dispatch('users/ActSignOut')
        setToken(null)
        // todo: handle new user
        // if (store.state.project.appInfo.firstUser) {
        //   router.replace('/')
        // }
        // else {
        // $toast.clear()
        // $toast.info('Token Expired. Please login again.', {
        //   position: 'bottom-center'
        // }).goAway(5000)
        router.replace('/user/authentication/signin')
        // }
        return Promise.reject(error)
      })
  })
}

export default defineNuxtPlugin((nuxtApp) => {
  const { user } = useUser()
  const api = getApi(null, null)

  watch(() => user.token, (newToken, oldToken) => {
    if (newToken !== oldToken)
      addAxiosInterceptors(api)
  })

  addAxiosInterceptors(api)

  nuxtApp.provide('api', api)
})

export function getApi($store, $axios) {
  const api = new Api({
    baseURL: 'http://localhost:8080',
    headers: {
      'xc-auth': $store?.state?.users?.token,
    },
  })

  if ($axios) {
    // overwrite with nuxt axios instance
    api.instance = $axios
  }
  return api
}