import axios from 'axios'
import router from '@/router'

const BASE_URL = import.meta.env.VITE_API_BASE_URL
const ENV_ADMIN_CLIENT_KEY = import.meta.env.VITE_ADMIN_CLIENT_KEY
const ENV_ADMIN_API_KEY = import.meta.env.VITE_ADMIN_API_KEY

// 使用者 API：帶 Bearer token
export const userHttp = axios.create({ baseURL: BASE_URL })

userHttp.interceptors.request.use(config => {
  const token = localStorage.getItem('access_token')
  if (token) {
    config.headers['Authorization'] = `Bearer ${token}`
  }
  return config
})

userHttp.interceptors.response.use(
  res => res,
  err => {
    if (err.response?.status === 401) {
      localStorage.removeItem('access_token')
      router.push('/login')
    }
    return Promise.reject(err)
  }
)

// 管理員 API：帶 X-Client-Key / X-API-Key
export const adminHttp = axios.create({ baseURL: BASE_URL })

adminHttp.interceptors.request.use(config => {
  const clientKey = sessionStorage.getItem('admin_client_key') || ENV_ADMIN_CLIENT_KEY
  const apiKey = sessionStorage.getItem('admin_api_key') || ENV_ADMIN_API_KEY
  if (clientKey && !sessionStorage.getItem('admin_client_key')) {
    sessionStorage.setItem('admin_client_key', clientKey)
  }
  if (apiKey && !sessionStorage.getItem('admin_api_key')) {
    sessionStorage.setItem('admin_api_key', apiKey)
  }
  if (clientKey) config.headers['X-Client-Key'] = clientKey
  if (apiKey) config.headers['X-API-Key'] = apiKey
  return config
})