define(["jquery", "underscore", "underscore.string", "js/views/feedback"], function($, _, str, SystemFeedbackView) {
    var Alert = SystemFeedbackView.extend({
        options: $.extend({}, SystemFeedbackView.prototype.options, {
            type: "alert"
        }),
        slide_speed: 900,
        show: function() {
            SystemFeedbackView.prototype.show.apply(this, arguments);
            this.$el.hide();
            this.$el.slideDown(this.slide_speed);
            return this;
        },
        hide: function () {
            this.$el.slideUp({
                duration: this.slide_speed
            });
            setTimeout(_.bind(SystemFeedbackView.prototype.hide, this, arguments),
                       this.slideSpeed);
        }
    });

    // create Alert.Warning, Alert.Confirmation, etc
    var capitalCamel, intents;
    capitalCamel = _.compose(str.capitalize, str.camelize);
    intents = ["warning", "error", "confirmation", "announcement", "step-required", "help", "mini"];
    _.each(intents, function(intent) {
        var subclass;
        subclass = Alert.extend({
            options: $.extend({}, Alert.prototype.options, {
                intent: intent
            })
        });
        Alert[capitalCamel(intent)] = subclass;
    });

    return Alert;
});