#!/usr/bin/env node

/**
 * Module dependencies.
 */

const app = require('../app');
const http = require('http');

/**
 * Get port from environment and store in Express.
 */

const port = normalizePort(process.env.PORT || '3000');
app.set('port', port);

/**
 * Create HTTP server.
 */

const server = http.createServer(app);

/*
 * CRON tasks
 */

const cron = require('node-cron');
const UserModel = require("../models/user");
cron.schedule('0 0 0 * * *', function() {
	// Remove unlogged users every 24h
	UserModel.cleanUsersDb();
});

/**
 * Listen on provided port, on all network interfaces.
 */

server.listen(port);
server.on('error', onError);
server.on('listening', onListening);
const io = require('socket.io')(server);

/*
 * Sockets handling
 */

require('../sockets')(io);

/**
 * Normalize a port into a number, string, or false.
 */

function normalizePort(val)
{
  const port = parseInt(val, 10);

  if (isNaN(port)) // named pipe
    return val;

  if (port >= 0) // port number
    return port;

  return false;
}

/**
 * Event listener for HTTP server "error" event.
 */

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;
  console.log('Listening on ' + bind);
}