var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session');
var flash = require('connect-flash');

var engine = require('ejs');

var app = express();
app.io = require('socket.io')();

app.use(cookieParser());
app.use(session({
      secret: 'kldlkaslkdfasdlfm15efaf5',
      resave: false,
      saveUninitialized: false
}));
app.use(flash());

var routes = require('./routes/index');
routes(app, '/');
var users = require('./routes/users');
users(app, '/users');

// view engine setup
app.engine('html', engine.renderFile);
app.set('view engine', 'html');
app.set('views', path.join(__dirname, 'views'));

//use icon
app.use(favicon(__dirname + '/public/images/brain.ico'));

app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error.ejs', { message_err : '' ,
      message: err.message,
      error: err
    });
  });
}


module.exports = app;
