// ==UserScript==
// @name         Better Google Drwonky
// @namespace    google
// @version      0.1.16.3
// @description  Restore google search results to older style with green link below title instead of link above title.  Just tweaks the CSS and does some dynamic JS reordering of the DIVs.
// @author       aligo, adambh, tejaslodaya, drwonky
// @license      MIT
// @homepageURL   https://github.com/drwonky/better-google
// @match        https://*.google.com/search?*
// @include      /^https?://(?:www|encrypted|ipv[46])\.google\.[^/]+/(?:$|[#?]|search|webhp)/
// @grant        none
// @run-at       document-start
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    var betterGoogleRow = function(el) {
        var tbwUpd = el.querySelectorAll('.TbwUpd');
        if (tbwUpd.length > 0) {
            var linkEl = el.querySelector('.yuRUbf > a');
            var addEl = linkEl.nextSibling;

            var betterAddEl = document.createElement('div');
            betterAddEl.className = 'btrAdd';

            if (addEl) {
                for (var i = 0; i < addEl.children.length; i++) {
                    var _el = addEl.children[i];
                    if (_el.className.indexOf('TbwUpd') == -1) {
                        betterAddEl.appendChild(_el);
                    }
                }
            }

            var betterEl = document.createElement('div');
            betterEl.className = 'btrG';
            betterEl.appendChild(betterAddEl);

            el.appendChild(betterEl);

            var urlEl = document.createElement('a');
            urlEl.href = linkEl.href;
            urlEl.target = '_blank';
            urlEl.className = 'btrLink';

            var urlCiteEl = document.createElement('cite');
            urlCiteEl.innerText = linkEl.href;
            urlCiteEl.className = 'iUh30 bc';
            urlEl.appendChild(urlCiteEl);


            var maxWidth = el.clientWidth - betterAddEl.offsetWidth - 10;

            betterEl.insertBefore(urlEl, betterAddEl);
            if (urlEl.offsetWidth > maxWidth) {
                urlEl.style.width = maxWidth.toString() + 'px';
            }

            var aboutResult = el.querySelectorAll('.csDOgf');
            if (aboutResult.length > 0) {
                betterEl.appendChild(aboutResult[0]);
            }
            tbwUpd.forEach(function(el) { el.remove() });
            linkEl.querySelector('br:first-child').remove();
        }
    }

    var prevResultCount = 0;
    var bettered = false;

    var runBetterGoogle = function() {
        if (prevResultCount != document.querySelectorAll('.g .yuRUbf').length) {
            document.querySelectorAll('.g .yuRUbf').forEach(betterGoogleRow);
            prevResultCount = document.querySelectorAll('.g .yuRUbf').length;
        }
        if ( !bettered ) {
            if ( MutationObserver != undefined ) {
                var searchEl = document.getElementById('rcnt');
                var observer = new MutationObserver(runBetterGoogle);
                observer.observe(searchEl, {childList: true, subtree: true});
            }
            bettered = true;
        }
    };

    var prepareStyleSheet = function() {
        var style = document.createElement('style');
        style.setAttribute('media', 'screen');
        style.appendChild(document.createTextNode(''));
        document.head.appendChild(style);
        style.sheet.insertRule('.btrG { word-break: normal; line-height: 18px; }');
        style.sheet.insertRule('.btrG .btrAdd { display: inline-block; vertical-align: top; }');
        style.sheet.insertRule('.btrG .btrLink { display: inline-block; vertical-align: top; line-height: 18px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-decoration: none !important; }');
        style.sheet.insertRule('.btrG .btrLink cite.iUh30 { color: #006621; font-size: 16px; }');
    };

    var checkElementThenRun = function(selector, func) {
        var el = document.querySelector(selector);
        if ( el == null ) {
            if (window.requestAnimationFrame != undefined) {
                window.requestAnimationFrame(function(){ checkElementThenRun(selector, func)});
            } else {
                document.addEventListener('readystatechange', function(e) {
                    if (document.readyState == 'complete') {
                        func();
                    }
                });
            }
        } else {
            func();
        }
    }

    checkElementThenRun('head', prepareStyleSheet);
    checkElementThenRun('#rcnt', runBetterGoogle);
})();