// ==UserScript==
// @name         移除百家号搜索结果
// @namespace    http://tampermonkey.net/
// @home-url     https://greasyfork.org/zh-CN/scripts/375240
// @description  删除百度搜索结果的百家号结果
// @version      1.20
// @include      http://www.baidu.com/*
// @include      https://www.baidu.com/*
// @require      http://code.jquery.com/jquery-1.8.2.js
// @author       mzcc
// @note         2022.10.09-1.20 重做删除逻辑
// @note         2019.02.20-1.11 监听页面结构变化，调整代码
// @note         2019.02.20-1.10 监听页面结构变化，修改移除逻辑
// @note         2019.01.28-1.02 移除超时限制
// @note         2019.01.25-1.01 百度搜索页面由于界面变化，观察页面dom的方式已经失效，更换新的去除方式
// @note         2018.12.30-0.15 根据反馈，删除操作做新的变更逻辑
// @note         2018.12.19-0.14 根据百度界面变化，删除操作做新的变更逻辑
// @grant        GM.xmlHttpRequest
// @run-at       document-end
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';


    var titleEl = document.getElementsByTagName("title")[0];
    var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
    if(MutationObserver){
        var MutationObserverConfig={
            childList: true,
            subtree: true,
            characterData: true
        };
        var observer=new MutationObserver(function(mutations){
            dealContent();
        });
        observer.observe(titleEl,MutationObserverConfig);
    }else if(titleEl.addEventListener){
        titleEl.addEventListener("DOMSubtreeModified", function(evt) {
            dealContent();
        }, false);
    }


    dealContent();


    function dealContent() {
            let $container = $('#content_left');

            let $aTags = $container.find('a[href^="http://www.baidu.com/link?url="]');
            let $top = $('.c-offset');
            let href = Array.from($aTags).map(v => $(v).attr('href'));

            // 去重
            href = Array.from(new Set(href));

            // 移除
            href.forEach(function(url, index){
                GM.xmlHttpRequest({
                    method: "GET",
                    url: url,
                    headers: {
                        "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
                        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
                        "Host": "www.baidu.com",
                        "Accept-Encoding": "gzip, deflate, br",
                        "Connection": "keep-alive"
                    },
                    onload: function (response) {
                        if (response.finalUrl.indexOf('baijia') > -1) {
                            $container.find('a[href="'+url+'"]').parents('div[has-tts="true"]').parent().remove();
                        } else {
                            // 还原真实地址
                            $container.find('a[href="'+url+'"]').attr('href', response.finalUrl);
                        }
                    }
                });
            });

            // 移除百度视频
            $container.find('a[href*="haokan.baidu"]').parents('.c-container').remove();
        }

})();