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 socket_io = require( "socket.io" );

var app = express();

// Socket.io
var io = socket_io();
app.io = io;

var routes = require('./routes/index');
var usecase = require('./routes/usecase')(app.io);
var api = require('./routes/api');
var manager = require('./routes/manager');
var Config = require('./lib/menu.controller');

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

// uncomment after placing your favicon in /public
app.use(favicon(path.join(__dirname, 'public', 'images', 'favicon.ico')));
app.use(logger('dev')); // remove this line to silence console
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser('shhhh, very secret'));                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
app.use(session({ resave: true, saveUninitialized: true, secret: '20baltoi16' })); 
app.use('/static', express.static(path.join(__dirname, 'public')));

app.use(function(req, res, next){                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
  var err = req.session.error                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
    , msg = req.session.success;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
  delete req.session.error;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
  delete req.session.success;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
  res.locals.message = '';                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
  if (err) res.locals.message = '<p class="msg error">' + err + '</p>';                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
  if (msg) res.locals.message = '<p class="msg success">' + msg + '</p>';                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
  next();                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
})


/*
 * For all request retrieve the menu
 */
app.use(function(req, res, next){
  Config.getMenu(function(result){
    res.locals.menuitems = result;
    next();  
  });
})

/*
 *  Rutas aceptadas
 */
app.use('/', routes);
app.use('/use-cases', usecase);
app.use('/manager', manager);
app.use('/api', api);

// 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', {
      message: err.message,
      error: err
    });
  });
}

// 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: {}
  });
});

module.exports = app;
