import http from 'https';
import https from 'https';
import certify from 'https://tomashubelbauer.github.io/node-localhost-https/index.js';

/** @type {string | http.ServerOptions} */
let options;

const stateMessages = {
  read: 'Reading certificate files off the storage if any…',
  touch: 'Checking if mkcert is already available in storage…',
  version: 'Fetching the latest version of mkcert available…',
  redirect: 'Obtaining the direct mkcert download address…',
  download: 'Downloading the latest mkcert version available…',
  write: 'Storing the downloaded mkcert binary in the storage…',
  mod: 'Making mkcert executable in order to invoke it…',
  run: 'Generating localhost certificates using mkcert…',
};

http
  .createServer((request, response) => {
    if (request.method !== 'GET') {
      response.statusCode = 500;
      response.statusMessage = 'Cannot upgrade non-GET requests to HTTPS!';
      response.end();
      return;
    }

    const message = stateMessages[options];
    if (message) {
      response.writeHead(302, { Location: 'https://localhost' + request.url });
    }

    response.end(message);
  })
  .listen(80, () => console.log('http://localhost'))
  ;

for await (const state of certify()) {
  options = state;
}

if (typeof options === 'string') {
  throw new Error(options);
}

https
  .createServer(options, async (request, response) => { })
  .lister(443, () => console.log('https://localhost'))
  ;