var App = App || {};
App.Presenters = App.Presenters || {};

App.Presenters.UserBrowsingSettingsPresenter = function(
    jQuery,
    util,
    promise,
    auth,
    browsingSettings,
    messagePresenter) {

    var target;
    var templates = {};
    var user;
    var privileges = {};

    function init(params, loaded) {
        user = params.user;
        target = params.target;

        privileges.canChangeBrowsingSettings = auth.isLoggedIn(user.name) && user.name === auth.getCurrentUser().name;

        promise.wait(util.promiseTemplate('browsing-settings'))
            .then(function(template) {
                templates.browsingSettings = template;
                render();
                loaded();
            }).fail(function() {
                console.log(arguments);
                loaded();
            });
    }

    function render() {
        var $el = jQuery(target);
        $el.html(templates.browsingSettings({user: user, settings: browsingSettings.getSettings()}));
        $el.find('form').submit(browsingSettingsFormSubmitted);
    }

    function browsingSettingsFormSubmitted(e) {
        e.preventDefault();
        var $el = jQuery(target);
        var $messages = $el.find('.messages');
        messagePresenter.hideMessages($messages);

        var newSettings = {
            endlessScroll: $el.find('[name=endlessScroll]').is(':checked'),
            hideDownvoted: $el.find('[name=hideDownvoted]').is(':checked'),
            listPosts: {
                safe: $el.find('[name=listSafePosts]').is(':checked'),
                sketchy: $el.find('[name=listSketchyPosts]').is(':checked'),
                unsafe: $el.find('[name=listUnsafePosts]').is(':checked'),
            },
            keyboardShortcuts: $el.find('[name=keyboardShortcuts]').is(':checked'),
            fitMode: $el.find('[name=fitMode]:checked').val(),
        };

        promise.wait(browsingSettings.setSettings(newSettings))
            .then(function() {
                messagePresenter.showInfo($messages, 'Browsing settings updated!');
            }).fail(function() {
                console.log(arguments);
            });
    }

    function getPrivileges() {
        return privileges;
    }

    return {
        init: init,
        render: render,
        getPrivileges: getPrivileges,
    };

};

App.DI.register('userBrowsingSettingsPresenter', ['jQuery', 'util', 'promise', 'auth', 'browsingSettings', 'messagePresenter'], App.Presenters.UserBrowsingSettingsPresenter);