import cors_proxy from 'cors-anywhere'
import {env} from 'process'

let HOST = env.HOST || 'localhost'
let PORT = env.PORT || 1337
let USER = env.USER || ''
let PW = env.PW || ''

const token = USER !== "" && PW !== ""
  ? btoa(unescape(encodeURIComponent(USER + ':' + PW)))
  : ""

const headers = {}
if (token !== "")
  headers.Authorization = `Basic ${token}`

cors_proxy
  .createServer({
    originWhitelist: [], // allow all origins
    requireHeader: ['origin', 'x-requested-with'],
    setHeaders: headers,
    removeHeaders: [
      'cookie',
      'cookie2',
      'x-request-start',
      'x-request-id',
      'via',
      'connect-time',
      'total-route-time',
    ],
    redirectSameOrigin: true,
    httpProxyOptions: {
      // Do not add X-Forwarded-For, etc. headers, because Heroku already adds it.
      xfwd: false,
    },
  })
  .listen(PORT, HOST, () => {
    console.log(`Running CORS Anywhere on 'http://${HOST}:${PORT}/'`)
  })