import axios from 'axios'
import { ElMessage } from 'element-plus'
import router from '../router'

// 创建 axios 实例
const request = axios.create({
  baseURL: '/api',
  timeout: 10000
})

// 请求拦截器：自动添加 token
request.interceptors.request.use(
  (config) => {
    const token = localStorage.getItem('token')
    if (token) {
      config.headers.Authorization = `Bearer ${token}`
    }
    return config
  },
  (error) => {
    return Promise.reject(error)
  }
)

// 响应拦截器：统一处理错误（config.quiet = true 时不弹窗）
request.interceptors.response.use(
  (response) => {
    return response.data
  },
  (error) => {
    const status = error.response?.status
    const message = error.response?.data?.message || '请求失败'
    const quiet = error.config?.quiet
    const isLogin = error.config?.url?.includes('/user/login')

    if (!quiet) {
      if (status === 401) {
        localStorage.removeItem('token')
        localStorage.removeItem('userInfo')
        router.push('/login')
        ElMessage.error('登录已过期，请重新登录')
      } else if (status === 403 && !isLogin) {
        ElMessage.error('权限不足')
      } else {
        ElMessage.error(message)
      }
    }

    return Promise.reject(error)
  }
)

export default request