import axios from 'axios'
import { ElMessage } from 'element-plus'

/** 后台前端只读取 admin_token，避免误带小程序端或导游端 Token。 */
const http = axios.create({
  baseURL: '/api/admin',
  timeout: 10000,
})

function redirectToLogin() {
  localStorage.removeItem('admin_token')
  if (location.pathname !== '/login') location.href = '/login'
}

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

http.interceptors.response.use(
  (response) => {
    const body = response.data
    if (body.code !== 0) {
      const message = body.message || '请求失败'
      if (body.code === 401 || body.code === '401') {
        redirectToLogin()
      }
      ElMessage.error(message)
      const error = new Error(message)
      error.code = body.code
      return Promise.reject(error)
    }
    return body.data
  },
  (error) => {
    if (error.response?.status === 401) {
      redirectToLogin()
    }
    ElMessage.error(error.response?.data?.message || error.message || '网络异常')
    return Promise.reject(error)
  },
)

export default http