var express = require('express');
var session = require('express-session')({
    secret: 'fUZG4VjOx9U91Htq2AAA',
    cookie: { maxAge: 60000 },
    saveUninitialized: true,
    resave: false});
var xss = require("xss");
var bodyParser = require('body-parser');
var urlencodedParser = bodyParser.urlencoded({ extended: false });

var app = express();


app.set('view engine', 'ejs');
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(session)


.use(function(req, res, next){
    if (typeof(req.session.todolist) == 'undefined') {
        req.session.todolist = [];
    }
    next();
})

.get('/todo', function(req, res) {
    res.render('todo.ejs', {todolist: req.session.todolist});
})

.post('/todo/ajouter/', urlencodedParser, function(req, res) {
    if (req.body.newtodo != '') {
        req.session.todolist.push(req.body.newtodo);
    }
    res.redirect('/todo');
})

/* Supprime un élément de la todolist */
.get('/todo/supprimer/:id', function(req, res) {
    if (req.params.id != '') {
        req.session.todolist.splice(req.params.id, 1);
    }
    res.redirect('/todo');
})

/* On redirige vers la todolist si la page demandée n'est pas trouvée */
.use(function(req, res, next){
    res.redirect('/todo');
})

.listen(8080);