/*
        Rota para autenticar usuarios

        @method         POST
        @path           /api/auth
        @content-type   json
        @params         ['username', 'password', 'user_agent', 'ip']

        @exemplo curl -H 'Content-Type: application/json' -X POST -d '{"username": "nine", "password": "pass2342"}' http://localhost:8099/api/auth
    */
    app.post('/api/auth', (req, res) => {
        var schema = Joi.object().keys({
            username: Joi.string().min(4).max(16).required(),
            password: Joi.string().min(4).max(16).required(),
            user_agent: Joi.string().required(),
            ip: Joi.string().required()
        })

        Joi.validate(req.body, schema, (err, value) => {
            if(err) {
                res.json(({err: true, message: err.details[0].message, response: null}))
                return
            }

            User.auth(req.body.username, req.body.password).then((auth_res) => {
                if(auth_res.err == false) {
                    Session.start(auth_res.response.id, req.body.user_agent, req.body.ip, 10).then((session_res) => {
                        res.json(session_res)
                    })
                }
                else {
                    res.json(auth_res)
                }

            })
        })
    })