/* global APP, config, $, interfaceConfig, Moderator,
 DesktopStreaming.showDesktopSharingButton */

var toolbarTimeoutObject,
    toolbarTimeout = interfaceConfig.INITIAL_TOOLBAR_TIMEOUT,
    UIUtil = require("../util/UIUtil");

function showDesktopSharingButton() {
    if (APP.desktopsharing.isDesktopSharingEnabled() &&
        UIUtil.isButtonEnabled('desktop')) {
        $('#toolbar_button_desktopsharing').css({display: "inline-block"});
    } else {
        $('#toolbar_button_desktopsharing').css({display: "none"});
    }
}

/**
 * Hides the toolbar.
 */
function hideToolbar() {
    if(config.alwaysVisibleToolbar)
        return;

    var header = $("#header"),
        bottomToolbar = $("#bottomToolbar");
    var isToolbarHover = false;
    header.find('*').each(function () {
        var id = $(this).attr('id');
        if ($("#" + id + ":hover").length > 0) {
            isToolbarHover = true;
        }
    });
    if ($("#bottomToolbar:hover").length > 0) {
        isToolbarHover = true;
    }

    clearTimeout(toolbarTimeoutObject);
    toolbarTimeoutObject = null;

    if (!isToolbarHover) {
        header.hide("slide", { direction: "up", duration: 300});
        $('#subject').animate({top: "-=40"}, 300);
        if ($("#remoteVideos").hasClass("hidden")) {
            bottomToolbar.hide(
                "slide", {direction: "right", duration: 300});
        }
    }
    else {
        toolbarTimeoutObject = setTimeout(hideToolbar, toolbarTimeout);
    }
}

var ToolbarToggler = {
    /**
     * Shows the main toolbar.
     */
    showToolbar: function () {
        if (interfaceConfig.filmStripOnly)
            return;
        var header = $("#header"),
            bottomToolbar = $("#bottomToolbar");
        if (!header.is(':visible') || !bottomToolbar.is(":visible")) {
            header.show("slide", { direction: "up", duration: 300});
            $('#subject').animate({top: "+=40"}, 300);
            if (!bottomToolbar.is(":visible")) {
                bottomToolbar.show(
                    "slide", {direction: "right", duration: 300});
            }

            if (toolbarTimeoutObject) {
                clearTimeout(toolbarTimeoutObject);
                toolbarTimeoutObject = null;
            }
            toolbarTimeoutObject = setTimeout(hideToolbar, toolbarTimeout);
            toolbarTimeout = interfaceConfig.TOOLBAR_TIMEOUT;
        }

        if (APP.xmpp.isModerator())
        {
//            TODO: Enable settings functionality.
//                  Need to uncomment the settings button in index.html.
//            $('#settingsButton').css({visibility:"visible"});
        }

        // Show/hide desktop sharing button
        showDesktopSharingButton();
    },

    /**
     * Docks/undocks the toolbar.
     *
     * @param isDock indicates what operation to perform
     */
    dockToolbar: function (isDock) {
        if (interfaceConfig.filmStripOnly)
            return;

        if (isDock) {
            // First make sure the toolbar is shown.
            if (!$('#header').is(':visible')) {
                this.showToolbar();
            }

            // Then clear the time out, to dock the toolbar.
            if (toolbarTimeoutObject) {
                clearTimeout(toolbarTimeoutObject);
                toolbarTimeoutObject = null;
            }
        }
        else {
            if (!$('#header').is(':visible')) {
                this.showToolbar();
            }
            else {
                toolbarTimeoutObject = setTimeout(hideToolbar, toolbarTimeout);
            }
        }
    },

    showDesktopSharingButton: showDesktopSharingButton
};

module.exports = ToolbarToggler;