import axios from 'axios'

const http = axios.create({
  baseURL: import.meta.env.VITE_API_BASE_URL ?? '/api',
  timeout: 15000,
})

http.interceptors.request.use((config) => {
  const token = localStorage.getItem('jiaowu_token')
  if (token) config.headers.Authorization = `Bearer ${token}`
  return config
})

http.interceptors.response.use(
  (response) => response,
  (error) => {
    if (error.response?.status === 401 && !error.config?.url?.endsWith('/auth/login')) {
      localStorage.removeItem('jiaowu_token')
      localStorage.removeItem('jiaowu_user')
      window.location.assign(`/login?redirect=${encodeURIComponent(location.pathname)}`)
    }
    return Promise.reject(error)
  },
)

export function apiErrorMessage(error: unknown) {
  if (!axios.isAxiosError(error)) return '操作失败，请稍后重试。'
  const data = error.response?.data
  if (data?.errors) {
    return Object.values(data.errors).flat().join('；')
  }
  return data?.detail ?? data?.title ?? '操作失败，请检查网络连接。'
}

export default http