import axios from 'axios'

import { getToken, setToken } from './token'

/** 开发由 Vite 代理，生产由 Nginx 在 /viewer 下转发。 */
export const http = axios.create({
  baseURL: import.meta.env.VITE_API_BASE ?? (import.meta.env.DEV ? '' : '/viewer'),
  timeout: 60000,
})

http.interceptors.request.use((config) => {
  const token = getToken()
  if (token) {
    config.headers = config.headers ?? {}
    config.headers.Authorization = `Bearer ${token}`
  }
  return config
})

http.interceptors.response.use(
  (response) => response,
  (error) => {
    const url = String(error?.config?.url ?? '')
    if (error?.response?.status === 401 && !url.includes('/api/login')) {
      setToken(null)
      window.dispatchEvent(new CustomEvent('auth-expired'))
    }
    return Promise.reject(error)
  },
)