tgchan autoupdate

// ==UserScript==
// @name         tgchan autoupdate
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  tgchan autoupdate
// @author       Rex
// @include      http*://tgchan.org/kusaba/quest/res/*
// @include      http*://tgchan.org/kusaba/questdis/res/*
// @grant        none
// @require      https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
// @run-at       document-start
// ==/UserScript==
jQuery.noConflict();

jQuery(document).ready(function($) {
    var deadline = null;
    setInterval(function(){
        if(!deadline || jQuery('.spanUpdating').html() == 'Updating...')
            return;
        var t = deadline - new Date();
        jQuery('.spanUpdating').html((t - t % 1000) / 1000);
    },1000);
    function updateReplies() {
        jQuery.get(window.location.href, function( data ) {
            var n = data.indexOf('<div style="display: none;" class="unicorn">');
            var d = data.substring(n);
            d = d.substring(0, d.indexOf('</form>'));
            var pagedata = jQuery('<div>').append(d);
            jQuery('table:has(.reply)').last().after(pagedata.find('table:has(.reply)').toArray().filter(function(x) { return jQuery('#' + jQuery(x).find('.reply').get(0).id).length == 0; }));
            var updateUrl = window.location.href.split('#')[0] + '#' + pagedata.find('.reply').last().get(0).id.replace('reply', '');
            if(updateUrl && window.location.href.split('#').pop() != updateUrl.split('#').pop())
                window.location.replace(updateUrl);
            jQuery('.spanUpdating').html('');
            if(jQuery('.chkAuto').is(':checked')) {
                deadline = new Date(new Date().getTime() + 5000);
                setTimeout(function() {
                    checkWTForUpdates(5000);
                }, 5000);
            }
        });
    }
    function checkWTForUpdates(timeout) {
        jQuery('.spanUpdating').html('Updating...');
        var urlparts = window.location.href.split('/');
        new Ajax.Request(ku_boardspath + '/threadwatch.php?board=' + urlparts[4] + '&threadid=' + /*urlparts.pop().split('.')[0]*/'0',
        {
            method:'get',
            onSuccess: function(transport){
                var response = transport.responseText;
                if(!response)
                    location.reload();
                console.log(transport.responseText, timeout);
                var resObject = jQuery('<div>').append(transport.responseText).find('strong');
                if(resObject.html() != '0')
                    updateReplies();
                    //updateReplies(resObject.parent().attr('href'));
                else {
                    jQuery('.spanUpdating').html('');
                    var newTimeout = timeout >= 30000 ? timeout : timeout + 5000;
                    deadline = new Date(new Date().getTime() + newTimeout);
                    setTimeout(function() {
                        if(jQuery('.chkAuto').is(':checked'))
                            checkWTForUpdates(newTimeout);
                    }, newTimeout);
                }
            },
            onFailure: function(){ location.reload(); }
        });
    }
    var navbar = jQuery('.navbar');
    navbar.append(' [');
    navbar.append(jQuery('<a class="aUpdate" href="#">Update</a>'));
    jQuery('.aUpdate').click(function() { event.preventDefault(); updateReplies(); });
    navbar.append('] [');
    navbar.append(jQuery('<label><input class="chkAuto" type="checkbox" title="Fetch new replies automatically">Auto</label>'));
    jQuery('.chkAuto').mouseup(function() {
        var chk = jQuery(this).is(':checked');
        jQuery('.chkAuto').prop('checked', !chk);
        checkWTForUpdates(0);
    });
    navbar.append('] ');
    navbar.append(jQuery('<span class="spanUpdating"></span>'));
});