#!/usr/bin/env node

/**
 * Module dependencies.
 */

import app from '../app';
import debugLib from 'debug';
import http from 'http';
import {port} from '../config';

const debug = debugLib('nodecdtheque:server');
const server = http.createServer(app);

server.listen(port);
server.on('error', onError);
server.on('listening', onListening);

/**
 * Event listener for HTTP server "error" event.
 * @param {*} error
 */
function onError(error) {
  if (error.syscall !== 'listen') {
    throw error;
  }

  const bind = typeof port === 'string' ?
    'Pipe ' + port :
    'Port ' + port;

  // handle specific listen errors with friendly messages
  switch (error.code) {
    case 'EACCES':
      console.error(bind + ' requires elevated privileges');
      process.exit(1);
      break;
    case 'EADDRINUSE':
      console.error(bind + ' is already in use');
      process.exit(1);
      break;
    default:
      throw error;
  }
}

/**
 * Event listener for HTTP server "listening" event.
 */
function onListening() {
  const addr = server.address();
  const bind = typeof addr === 'string' ?
    'pipe ' + addr :
    'port ' + addr.port;
  debug('Listening on ' + bind);
}