/**
 *
 * (c) Copyright Ascensio System Limited 2010-2017
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
 * relevant author attributions when distributing the software. If the display of the logo in its graphic
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
 * in every copy of the program you distribute.
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
 */

(function ($, OCA) {

    OCA.Onlyoffice = _.extend({}, OCA.Onlyoffice);
    if (!OCA.Onlyoffice.AppName) {
        OCA.Onlyoffice = {
            AppName: "onlyoffice"
        };
    }

    OCA.Onlyoffice.InitEditor = function () {
        var displayError = function (error) {
            $("#iframeEditor").text(error).addClass("error");
        };

        var fileId = $("#iframeEditor").data("id");
        if (!fileId) {
            displayError(t(OCA.Onlyoffice.AppName, "FileId is empty"));
            return;
        }

        if (typeof DocsAPI === "undefined" && !error.length) {
            displayError(t(OCA.Onlyoffice.AppName, "ONLYOFFICE cannot be reached. Please contact admin"));
            return;
        }

        $.ajax({
            url: OC.generateUrl("apps/onlyoffice/ajax/config/" + fileId),
            success: function onSuccess(config) {
                if (config) {
                    if (config.error != null) {
                        displayError(config.error);
                        return;
                    }

                    var docIsChanged = null;
                    var docIsChangedTimeout = null;

                    var setPageTitle = function(event) {
                        clearTimeout(docIsChangedTimeout);

                        if (docIsChanged !== event.data) {
                            var titleChange = function () {
                                window.document.title = config.document.title + (event.data ? " *" : "") + ' - ' + oc_defaults.title;
                                docIsChanged = event.data;
                            };

                            if (event.data) {
                                titleChange();
                            } else {
                                docIsChangedTimeout = setTimeout(titleChange, 500);
                            }
                        }
                    };
                    setPageTitle(false);

                    config.events = {
                        "onDocumentStateChange": setPageTitle,
                    };

                    var docEditor = new DocsAPI.DocEditor("iframeEditor", config);
                }
            }
        });
    };

    $(document).ready(OCA.Onlyoffice.InitEditor);

})(jQuery, OCA);