var User = Backbone.Model.extend({
    defaults: {
        login: '',
        password: '',
        authToken: ''
    }
});

var UserCollection = Backbone.Collection.extend({
    url: 'http://localhost:3000/users',

    // creates a random token
    setToken: function () {
        var rand = function () {
            return Math.random().toString(36).substr(2)
        }

        var token = rand() + rand();
        this.set({authToken: token});
    }
});

var LoginView = Backbone.View.extend({
    initialize: function () {
        this.collection = new UserCollection();
        // template
    }
    // render function omitted

    signIn: function () {
        var login = $('#login').val();
        var password = $('#password').val();

        /**
           finds a user within with the values from input fields
           inside the collection
        */
        if (login && password) {
            this.collection.fetch({
                data: {
                    login: login,
                    password: password
                }
            });
        }
    }
});