var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var fileUpload = require('express-fileupload');
var exphbs = require('express-handlebars');
var expressValidator = require('express-validator');
var flash = require('connect-flash');
var session = require('express-session');
var passport = require('passport');
var localStrategy = require('passport-local').Strategy;
var mongo = require('mongodb');
var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/loginapp');
var db = mongoose.connection;

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

// Init App
var app = express();

// View Engine
app.set('views', path.join(__dirname, 'views'));
app.engine('handlebars', exphbs({defaultLayout:'layout'}));
app.set('view engine', 'handlebars');

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false}));
app.use(cookieParser());
app.use(fileUpload());

// Set Static Folder
app.use(express.static(path.join(__dirname, 'public')));

// Express Session
app.use(session({
    secret: 'secret',
    saveUninitialized: true,
    resave: true
}));

// Passport init
app.use(passport.initialize());
app.use(passport.session());

// Express Validator
app.use(expressValidator({
    errorFormatter: function(param, msg, value) {
        var namesspace = param.split('.')
        , root = namesspace.shift()
        , formParam = root;

        while(namesspace.length) {
            formParam += '[' + namesspace.shift() + ']';
        }

        return {
            param: formParam,
            msg: msg,
            value : value
        };
    }
}));

// Connect Flash
app.use(flash());

// Global Vars

app.use(function(req, res, next) {
    res.locals.success_msg = req.flash('success_msg');
    res.locals.error_msg = req.flash('error_msg');
    res.locals.error = req.flash('error');
    res.locals.user = req.user || null;
    next();
})

 app.use('', routes);
 app.use('/users', users);

 app.set('port', (process.env.PORT || 8080));
 app.listen(app.get('port'), function () {
     console.log('Server started on port ' + app.get('port'));
 });