#!/usr/bin/env node
const type = (arg =>
  arg == 'firefox' ? 'firefox' : arg == 'webkit' ? 'webkit' : 'chromium'
)(process.argv[1]);
const wsUrl = require('../config.json').playwright_ws_spec_endpoint ||
  require('../config.example.json').playwright_ws_spec_endpoint;
const axios = require('axios').default;
const playwright = require('playwright');
axios.get('http://localhost:9222').then(res => {
  if (res.status !== 426) {
    console.error(Error('port 9222 is in use but not a websocket'));
    return setTimeout(() => process.exit(1), 30000);
  }
  return axios.get(wsUrl).then(jsonres => {
    const endpoint = jsonres.data[type];
    if (!endpoint) {
      console.error(Error('url does not return the required browser type'));
      return setTimeout(() => process.exit(1), 30000);
    }
    if (typeof endpoint !== 'string') throw Error('returned endpoint url is malformed');
    return playwright[type].connect(endpoint).catch(() => { throw Error('connection error'); });
  });
}).catch(err => {
  if (!axios.isAxiosError(err)) console.log(err);
  playwright[type].launchServer({args: process.argv.slice(2), port: 9222}).then(svr =>
    require('http').createServer((req, res) => {
      const json = req.url === '/playwright-ws.json' &&
        JSON.stringify(Object.fromEntries([[type, svr.wsEndpoint()]]));
      if (json) { res.write(json); console.log(json); res.end(); }
      else res.destroy();
    }).listen(8080)
  );
});