var mongoose = require('../node_modules/mongoose'),
    crypto = require('crypto'),
    dbfile = require('../db'),
    userModel = mongoose.model('User');
    

exports.index = function(req, res){
    if(req.session.username)
    {
        res.render('index', { title: 'Express', pseudo: req.session.username});
    }
    else
    {
        res.render('index', {title:'Express', pseudo: 'Visiteur'});
    } 
};

exports.signup_get = function(req, res) {
    res.render('signup', {title: 'Inscription'});
};
exports.signup_post = function(req, res) {    
    if(req.session.username)
    {
        console.log('Vous êtes déjà connecté');
    }
    else
    {
        if (!req.body.username || !req.body.mdp)
        {
            console.log("User name and mdp are required");
        }
        else
        {
            console.log('a');
            userModel.findOne({username: req.body.username}, function(err, data) {
                if(err) { throw err }
                console.log('c');
                if(!data)
                {
                    console.log('d');
                    var user = new userModel({username: req.body.username, mdp: crypto.createHash('sha1').update(req.body.mdp)});
                    user.save(function (err) {
                        if (err) { throw err; }
                        console.log('Utilisateur ajouté avec succès !');
                        mongoose.connection.close();
                        
                        
                        req.session.username = req.body.username;
                        console.log('test');
            
                        res.redirect('/');
                    });
                }
                else
                {
                    console.log(data);
                    res.redirect('/');
                }
            });
        }
    }
};

exports.logout = function(req, res){
    if (req.session.username) {
        req.session.username = null;
        req.session.destroy(function(err) { throw err;});
    }
    res.redirect('/login');
};

exports.login_get = function(req, res) {
    res.render('login', {title: 'Connexion'});
};

exports.login_post = function(req, res) {    
    if(req.session.username)
    {
        console.log('Vous êtes déjà connecté');
    }
    else
    {
        /*to do*/
    }
};