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 mongo = require('mongodb').MongoClient;
var ev = require('express-validator');
var util = require('util')

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

var app = express();

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

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.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')));
app.use(ev());

app.use('/', index);
app.use('/users', users);
app.use('/login', login)

app.post('/reg', function (req, res) {
    mongo.connect('mongodb://localhost:27017/testDB', function (err, db) {
        req.sanitizeBody('un');
        req.sanitizeBody('pass');
        req.sanitizeBody('email');

        req.checkBody('un', 'Username is required').isEmpty();
        req.checkBody('pass', 'Password is required').isEmpty();
        req.checkBody('email', 'Email is required').isEmpty();
        req.checkBody('email', 'Email is invalid').isEmail();

        req.getValidationResult().then(function (result) {
            if (result.isEmpty()) {
                db.collection('users').insertOne({
                    username: req.body.un,
                    password: req.body.pass,
                    email: req.body.email
                });
            }
            else {
                console.log(result.array())
            }
        });
    });
});

app.post('/log', function (req, res) {

});

// 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 handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

app.listen(3000);

module.exports = app;