<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

function wikiplugin_together_info()
{
    return [
        'name' => tra('Together'),
        'documentation' => 'PluginTogether',
        'description' => tra('Collaborate in real time'),
        'iconname' => 'group',
        'introduced' => 12,
        'prefs' => [ 'wikiplugin_together' ],
        'additional' => tra('A service for collaborating on your website in real-time. TogetherJS lets users communicate,
            co-author, co-browse and guide each other. TogetherJS is implemented in JavaScript; no software or plugins
            to install, and it is friendly with existing web pages, while still letting developers customize the
            experience.') . " " . tra("Note: TogetherJS is alpha-quality software. We do not recommend using it in
            production at this time."),
        'params' => [
            'buttonname' => [
                'required' => false,
                'name' => tra('Button Name'),
                'description' => tra('Set the button name. Default is CoWrite with TogetherJS'),
                'since' => '12.0',
                'filter' => 'text',
                'default' => tra('CoWrite with TogetherJS')
            ],
            'serverurl' => [
                'required' => false,
                'name' => tra('Server URL'),
                'description' => tra('Hub server URL address if the default one is not working or you are willing to host your own hub server.'),
                'since' => '21.0',
                'filter' => 'text',
                'default' => ''
            ],
        ]
    ];
}

function wikiplugin_together($data, $params)
{

    if (! isset($params['buttonname'])) {
        $params['buttonname'] = tra('CoWrite with TogetherJS');
    }
    TikiLib::lib('header')->add_jq_onready('
if(! window.startTogetherJS) {
    ' . (! empty($params['serverurl']) ? "window.TogetherJSConfig_hubBase = " . json_encode($params['serverurl']) . ";\n" : '') . '
    window.TogetherJSConfig_on_ready = function() {
        if(m = window.location.href.match(/tiki-editpage.php\?page=([^&#]+)/)) {
            var session = TogetherJS.require("session");
            $.ajax({
                url: "tiki-ajax_services.php",
                dataType: "json",
                data: {
                    controller: "edit_semaphore",
                    action: "set",
                    object_id: "togetherjs "+decodeURIComponent(m[1].replace(/\+/g, "%20")),
                    value: session.shareId
                }
            });
        }
    }
    window.startTogetherJS = function() {
        if(typeof TogetherJS === "undefined") {
            setTimeout(window.startTogetherJS, 300);
        } else {
            TogetherJS.config("getUserName", function () {
                return jqueryTiki.userRealName || jqueryTiki.username;
            });
            TogetherJS.config("getUserAvatar", function () {
                return jqueryTiki.userAvatar;
            });
            TogetherJS();
        }
    }
    window.loadTogetherJS = function() {
        var script = document.createElement("script");
        script.src = "https://togetherjs.com/togetherjs-min.js";
        script.async = false;
        document.getElementsByTagName("head")[0].appendChild(script);
    }
}

if(m = window.location.href.match(/tiki-editpage.php\?page=([^&#]+)/)) {
    $.ajax({
        url: "tiki-ajax_services.php",
        dataType: "json",
        data: {
            controller: "edit_semaphore",
            action: "get_value",
            object_id: "togetherjs "+decodeURIComponent(m[1].replace(/\+/g, "%20")),
        },
        success: function(data) {
            if(data) {
                var key = "togetherjs-session.status";
                var status = sessionStorage.getItem(key);
                if (status) {
                    status = JSON.parse(status);
                    if( !status.running || status.shareId != data ) {
                        status.shareId = data;
                        status.running = true;
                        sessionStorage.setItem(key, JSON.stringify(status));
                    }
                }
                if (!sessionStorage.getItem(key)) {
                    window.location.hash = "&togetherjs="+data;
                }
            }
            loadTogetherJS();
        }
    });
} else {
    loadTogetherJS();
}
        ');

    return '<button onclick="window.startTogetherJS(); return false;" class="btn btn-primary">' . $params['buttonname'] . '</button>';
}