import compression from 'compression';
import express from 'express';
import favicon from 'serve-favicon';
import helmet from 'helmet';
import http from 'http';
import https from 'https';
import path from 'path';
import socket from 'socket.io';
import { isUndefined } from 'lodash';
import morgan from 'morgan';
import logger from './logger.mjs';
import events from './emitter.mjs';

const pubDir = path.join(__dirname, '..', 'public');
const distDir = path.join(__dirname, '..', 'dist');

export default function createServer(base, port, { key, cert }) {
  base = base.replace(/\/*$/, "");
  events.emit('debug', `key: ${key}, cert: ${cert}, port: ${port}, base: ${base}`);
  const app = express();
  const html = (req, res) => res.sendFile(path.join(pubDir, 'index.html'));
  const css = (req, res) => res.sendFile(path.join(distDir, 'main.css'));
  const js = (req, res) => res.sendFile(path.join(distDir, 'main.js'));
  app
    .use(morgan('combined', { stream: logger.stream }))
    .use(helmet())
    .use(compression())
    .use(favicon(path.join(pubDir, 'favicon.ico')))
    .get(`${base}/`, html)
    .get(`${base}/main.css`, css)
    .get(`${base}/main.js`, js)
    .get(`${base}/ssh/main.css`, css)
    .get(`${base}/ssh/main.js`, js)
    .get(`${base}/ssh/:user`, html)

  return socket(
    !isUndefined(key) && !isUndefined(cert)
      ? https.createServer({ key, cert }, app).listen(port, () => {
          events.server(port, 'https');
        })
      : http.createServer(app).listen(port, () => {
          events.server(port, 'http');
        }),
    { path: `${base}/socket.io` }
  );
}