// ==UserScript==
// @name         搜索引擎净化
// @namespace    https://bbs.tampermonkey.net.cn/
// @version      2.1.3
// @description  整合多个搜索引擎的美化与净化功能，包含广告过滤、链接优化、布局调整等
// @author       Combined Scripts
// @match        *://www.baidu.com/*
// @match        *://www.google.com/*
// @match        *://www.google.com.*/*
// @match        *://*.bing.com/*
// @match        *://*.bing.net/*
// @match        *://www.sogou.com/*
// @match        *://www.so.com/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_addStyle
// @grant        GM_xmlhttpRequest
// @grant        unsafeWindow
// @connect      api.staticj.top
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// ==/UserScript==

(function() {
    'use strict';

    // 工具函数:移除元素
    function removeElements(selector) {
        try {
            var elements = document.querySelectorAll(selector);
            elements.forEach(function(el) {
                el.remove();
            });
        } catch (e) {
            console.error('移除元素失败:', selector, e);
        }
    }

    // URL参数清理功能
    function initUrlCleaner() {
        // 监听URL变化事件
        var originalPushState = history.pushState;
        var originalReplaceState = history.replaceState;

        history.pushState = function () {
            originalPushState.apply(this, arguments);
            window.dispatchEvent(new Event('locationchange'));
        };

        history.replaceState = function () {
            originalReplaceState.apply(this, arguments);
            window.dispatchEvent(new Event('locationchange'));
        };

        window.addEventListener('popstate', function() {
            window.dispatchEvent(new Event('locationchange'));
        });

        // 清理URL参数实现
        function cleanUrlParams() {
            try {
                var url = new URL(window.location.href);
                var changed = false;

                // 需要移除的查询参数集合
                var paramsToRemove = [
                    // 百度参数
                    'rsp', 'prefixsug', 'fr', 'bsst', 'f', 'inputT', 'usm', 'rsv_page',
                    'rqlang', 'rsv_t', 'oq', 'rsv_pq', 'rsv_spt', 'ie', 'rsv_enter',
                    'rsv_sug', 'rsv_sug1', 'rsv_sug7', 'rsv_sug2', 'rsv_sug3', 'rsv_iqid',
                    'rsv_bp', 'rsv_btype', 'rsv_idx', 'rsv_dl', 'issp', 'cshid',
                    'tn', 'rsv_sug4', 'rtt', 'bsst', 'rsv_sid', 'rsv_tn', '_ss',
                    'rsv_jmp', 'rsv_bl', 'rsv_sug5', 'rsv_sug6', 'rsv_sug8', 'rsv_sug9', 'bar',
                    'rsv_n', 'bs', 'cl',

                    // 谷歌参数
                    'tbas', 'ved', 'uact', 'ei', 'ie', 'oq', 'sclient', 'cshid', 'dpr',
                    'iflsig', 'aqs', 'gs_lcp', 'source', 'sourceid', 'sxsrf', 'pccc',
                    'sa', 'biw', 'bih', 'hl', 'newwindow', 'stick', 'gws_rd', 'client',
                    'gs_rn', 'tbo', 'dcr', 'safe', 'ssui', 'psi',

                    // 必应参数
                    'tsc', 'sp', 'FORM', 'form', 'pq', 'sc', 'qs', 'sk', 'cvid', 'lq',
                    'ghsh', 'ghacc', 'ghpl', 'ghc', 'ubireng', 'FPIG', 'PC', 'setmkt',
                    'setlang', 'mkt', 'qpvt', 'ensearch', 'first', 'adppc',

                    // 搜狗参数
                    '_asf', '_ast', 'w', 'p', 'from', 's_from', 'sessiontime',
                    'ie', 'sut', 'sst0', 'lkt', 'sugsuv', 'sugtime', 'suguuid',
                    'sourceid', 'sug', 'sugs', 'ri', 'oq',
                    'dp', 't', 's_t', 'cid', 'sessionid',

                    // 360 搜索
                    'src', 'ssid', 'cp', 'nlpv', 'ie', 'fr', 'pn',
                    'psid', 'ls', 'hs', 'ahs', 'a', 'shb'

                ];

                // 移除参数
                paramsToRemove.forEach(function(param) {
                    if (url.searchParams.has(param)) {
                        url.searchParams.delete(param);
                        changed = true;
                    }
                });

                // 特殊参数处理
                if (url.searchParams.get('start') === '0') {
                    url.searchParams.delete('start');
                    changed = true;
                }

                // 更新URL
                if (changed) {
                    window.history.replaceState(null, null, url.toString());
                }
            } catch (e) {
                console.error('URL参数清理失败:', e);
            }
        }

        // 初始化并监听
        cleanUrlParams();
        window.addEventListener('locationchange', cleanUrlParams);
    }

    // 搜索引擎检测
    function detectSearchEngine() {
        var host = window.location.hostname;

        if (host.includes('baidu.com')) return 'baidu';
        if (host === 'www.google.com') return 'google';
        if (host === 'www.google.com.') return 'google';
        if (host.includes('bing.com') || host.includes('bing.net')) return 'bing';
        if (host.includes('sogou.com')) return 'sogou';
        if (host === 'www.so.com') return '360';
        return null; // 未匹配到任何搜索引擎
    }

    // 百度净化
    function optimizeBaidu() {
        GM_addStyle(`
            /* 移除首页元素 */
            html body a.operate-wrapper,
            html body .operate-image,
            html body div#s_wrap.s-isindex-wrap,
            html body div.aigc-skin-bg,
            html body .side-entry.aging-entry,
            html body #s_qrcode_feed,
            html body #s_upfunc_menus,
            html body .s-upfunc-menus,
            html body #bottom_space,
            html body #s_new_search_guide,
            #bottom_layer.s-bottom-layer.s-isindex-wrap {
                display: none !important;
            }
            
            /* 布局优化 */
            #head_wrapper { top: 15% !important; }
            div#head { max-height: 100vh !important; min-height: unset !important; }
            #content_left { width: 1000px !important; max-width: 1000px !important; }
            #content_right { display: none !important; }
            
            /* 广告隐藏 */
            [data-adid], .c-container[data-click*="ad"],
            span.ad-label { display: none !important; }
        `);

        // 左侧加宽和右侧移除
        function adjustContentLayout() {
            var leftContent = document.getElementById('content_left');
            if (leftContent) {
                leftContent.style.width = '1000px';
                leftContent.style.maxWidth = '1000px';
            }
            var rightContent = document.getElementById('content_right');
            if (rightContent) {
                rightContent.style.display = 'none';
            }
        }

        // 广告过滤增强
        function filterAds() {
            removeElements('.ec_wise_ad, #content_right, #content_right > br, #content_right > div:not([id])');
            removeElements('#content_left > div[class*="recommend"]');
            removeElements('.res_top_banner, #content_left div[class*="_rs"]');

            // 优化后的判断逻辑
            document.querySelectorAll('#content_left > div.result-op').forEach(function(container) {
                var mu = container.getAttribute('mu') || '';
                var srcid = container.getAttribute('srcid') || '';
                
                // 白名单：保留百度百科、百度翻译、百度地图、Steam官网等官方卡片
                var isWhitelisted = 
                    mu.includes('baike.baidu.com') ||     // 百度百科
                    mu.includes('fanyi.baidu.com') ||     // 百度翻译
                    mu.includes('map.baidu.com') ||       // 百度地图
                    mu.includes('image.baidu.com') ||     // 百度图片
                    mu.includes('nourl.ubs.baidu.com') || // 百度汉语/百度翻译
                    mu.includes('wenku.baidu.com') ||     // 百度文库
                    mu.includes('store.steampowered.com') ||  // Steam官网
                    srcid.includes('baike') ||
                    srcid.includes('official') ||          // 官网标识
                    mu.includes('official-site');          // 官网标识
                
                // 只有不在白名单的才移除
                if (!isWhitelisted) {
                    container.remove();
                }
            });

            // 搜索结果广告识别与移除
            document.querySelectorAll('#content_left > div').forEach(function(container) {
                var span = container.querySelector('.f13 > span');
                var tuiguangSpan = container.querySelector('span.tuiguang');
                var brandSpan = container.querySelector('span.brand');
                var dataTuiguang = container.querySelector('span[data-tuiguang]');
                
                if ((span && span.textContent && span.textContent.includes('广告')) ||
                    container.querySelector('a[data-landurl]') ||
                    (tuiguangSpan && tuiguangSpan.textContent && tuiguangSpan.textContent.includes('广告')) ||
                    (brandSpan && brandSpan.textContent && brandSpan.textContent.includes('广告')) ||
                    dataTuiguang) {
                    container.remove();
                }
            });
        }

        // 链接重定向处理
        function handleRedirects() {
            document.querySelectorAll('a[href*="baidu.com/link"]:not([ac-redirect-processed])').forEach(function(link) {
                try {
                    link.setAttribute('ac-redirect-processed', '1');
                    var originalHref = link.href;
                    link.removeAttribute('onclick');
                    link.removeAttribute('onmousedown');
                    link.addEventListener('click', function (e) {
                        e.preventDefault();
                        e.stopPropagation();

                        GM_xmlhttpRequest({
                            method: "GET",
                            url: originalHref,
                            headers: { "Accept": "*/*", "Referer": originalHref },
                            timeout: 5000,
                            onload: function (response) {
                                var directUrl = response.finalUrl;
                                if (!directUrl) {
                                    var matches = /URL='([^']+)'/.exec(response.responseText);
                                    directUrl = matches ? matches[1] : null;
                                }
                                if (directUrl && !directUrl.includes('baidu.com/link')) {
                                    window.open(directUrl, '_blank');
                                } else {
                                    window.open(originalHref, '_blank');
                                }
                            },
                            onerror: function () {
                                window.open(originalHref, '_blank');
                            }
                        });
                    }, { once: true });
                } catch (e) {
                    console.error('百度重定向处理失败:', e);
                }
            });
        }

        // 动态内容监听
        var observer = new MutationObserver(function() {
            adjustContentLayout();
            filterAds();
            handleRedirects();
        });

        // 开始监听整个文档的变化
        observer.observe(document, { childList: true, subtree: true });

        // 定时检查
        setInterval(function() {
            adjustContentLayout();
            filterAds();
            handleRedirects();
        }, 1000);

        // 初始执行
        setTimeout(function() { adjustContentLayout(); }, 0);
        filterAds();
        handleRedirects();
    }

    // 谷歌净化
    function optimizeGoogle() {
        // 样式优化
        GM_addStyle(`
            /* 基础样式优化 */
            .g { margin-bottom: 16px !important; }
            .yuRUbf { padding: 8px 0 !important; }
        `);

        // 搜索结果在新标签页打开
        function processSearchResults() {
            document.querySelectorAll("a:not([data-processed])").forEach(function(link) {
                if (link.href && !link.href.includes("google.com/")) {
                    link.dataset.processed = "true";
                    link.target = "_blank";
                    link.rel = "noopener noreferrer";
                }
            });
        }

        // 移除Google Lens拖放区
        function removeLensDropZone() {
            var divElement = document.querySelector('div > c-wiz > div.focusSentinel');
            if (divElement) {
                var parent = divElement.parentElement;
                if (parent) parent = parent.parentElement;
                if (parent && parent.parentNode) {
                    parent.parentNode.removeChild(parent);
                }
            }
        }

        // 广告过滤
        function filterAds() {
            removeElements('.commercial-unit, #tads, #bottomads, div[aria-label="广告"], div[aria-label="Ads"]');
        }

        // 链接重定向优化
        function handleRedirects() {
            document.querySelectorAll('a[onmousedown]:not([ac-redirect-processed]), ' +
                'a[data-jsarwt]:not([ac-redirect-processed])').forEach(function(link) {
                try {
                    link.setAttribute('ac-redirect-processed', '1');
                    link.removeAttribute('onmousedown');
                    link.removeAttribute('data-jsarwt');
                    link.removeAttribute('ping');
                    link.setAttribute('target', '_blank');
                } catch (e) {
                    console.error('谷歌重定向处理失败:', e);
                }
            });
        }

        // 动态内容监听
        var observer = new MutationObserver(function() {
            processSearchResults();
            removeLensDropZone();
            filterAds();
            handleRedirects();
        });
        observer.observe(document.body, { childList: true, subtree: true });

        // 定时检查
        setInterval(function() {
            processSearchResults();
            removeLensDropZone();
            filterAds();
            handleRedirects();
        }, 1000);

        // 初始执行
        processSearchResults();
        removeLensDropZone();
        filterAds();
        handleRedirects();
    }

    // Bing净化
    function optimizeBing() {
        GM_addStyle(`
            /* 基础冗余元素隐藏 */
            #footer, #est_switch, #headline, .hp_trivia_inner_new,
            .trivia, #id_rh, #id_qrcode, #sa_zis_PN, #sa_pn_block,
            .sb_form_placeholder, .below_sbox, .vs, #sb_feedback,
            #id_rfob, #id_rfoc, #id_mobile, #id_qrcode_popup_positioner,
            #gs_main > div.gs_section.gs_header > div.gs_temp > div.gs_pre_cont,
            #HBContent > div > div.hb_sect_container:has(div.hb_section_nohover),
            #vs_cont > div.mc_caro > div.hp_trivia_outer,
            #vs_cont > div.mc_caro_newmuse.five_col,
            #vert_iotd, #vert_images, #vert_otd, #vsrewds, #vs_default,
            #vs_cont > div.mc_caro.five_col_new,
            #b_context > li.b_ad, #b_results > li.b_ad,
            #adstop_gradiant_separator,
            div.b_hPanel:has(#bingApp_area),
            #id_mobpoppos, #b_footer,
            #main > ul:has(#data-from),
            #main > footer,
            #b_content > div.aca_contact,
            div#bnp_container {
                display: none !important;
            }
            
            /* 布局优化 */
            .vs_cont .moduleCont .module { padding: 0 !important; }
            #b_results > li.b_algo { margin-top: 0 !important; }
            
            /* 搜索框样式 */
            .sbox_cn { top: 40% !important; }
            #sb_form_q::placeholder { opacity: 0; }
        `);

        // 处理搜索框交互样式
        function setupSearchBox() {
            var searchbox = document.querySelector('#sb_form_q');
            var searchLabel = document.querySelector('#sb_form');
            if (!searchbox || !searchLabel) return;
            
            // 初始背景透明
            searchLabel.style.backgroundColor = '#FFFFFF00';
            
            // 背景色设置函数
            var setBg = function(color) {
                return function() {
                    if (document.activeElement && document.activeElement.id === 'sb_form_q') return;
                    searchLabel.style.backgroundColor = color;
                };
            };
            
            // 绑定事件
            searchbox.onblur = setBg('#FFFFFF00');
            searchbox.onfocus = function() { searchLabel.style.backgroundColor = '#FFFFFF'; };
            searchbox.onclick = searchbox.onfocus;
            searchLabel.onclick = searchbox.onfocus;
            searchLabel.onmouseover = setBg('#FFFFFF00');
            searchLabel.onmouseleave = setBg('#FFFFFF00');
        }

        // 处理今日热点列表
        function handleHotList() {
            var saUl = document.getElementById('sa_ul');
            if (saUl) {
                var children = saUl.children;
                for (var i = 0; i < children.length; i++) {
                    if (children[i].className === 'sa_hd') {
                        for (var j = i; j < children.length; j++) {
                            children[j].style.display = 'none';
                        }
                        break;
                    }
                }
            }
        }

        // 广告过滤增强
        function filterAds() {
            removeElements('li.b_ad, .pa_sb, .adsMvC, a[h$=",Ads"], a[href*="/aclick?ld="], .ad_sc');
            
            // 图片广告识别
            document.querySelectorAll('.b_algo').forEach(function(algo) {
                var img = algo.querySelector('.rms_img');
                if (img && (img.src.includes('/th?id=OADD2.') || img.src.includes('=AdsPlus'))) {
                    algo.remove();
                }
            });
        }

        // 链接重定向优化
        function handleRedirects() {
            document.querySelectorAll('a[href*="/click?"]:not([ac-redirect-processed]), ' +
                'a[href*="go.microsoft.com"]:not([ac-redirect-processed])').forEach(function(link) {
                try {
                    link.setAttribute('ac-redirect-processed', '1');
                    var url = new URL(link.href);
                    var targetUrl = url.searchParams.get('u') || url.searchParams.get('r');
                    if (targetUrl) {
                        link.href = decodeURIComponent(targetUrl);
                        link.setAttribute('target', '_blank');
                        link.removeAttribute('onclick');
                        link.removeAttribute('onmousedown');
                    }
                } catch (e) {
                    console.error('必应重定向处理失败:', e);
                }
            });
        }

        // 隐藏APP弹窗
        function handleAppPopup() {
            var observer = new MutationObserver(function() {
                var closeBtn = document.querySelector('div#sacs_close');
                if (closeBtn) closeBtn.click();
            });
            observer.observe(document.body, { childList: true, subtree: true });
        }

        // 动态内容监听
        var observer = new MutationObserver(function() {
            filterAds();
            handleRedirects();
        });
        observer.observe(document, { childList: true, subtree: true });

        // 定时检查
        setInterval(function() {
            filterAds();
            handleRedirects();
        }, 1000);

        // 初始执行
        document.addEventListener('DOMContentLoaded', function() {
            setupSearchBox();
            handleHotList();
            handleAppPopup();
            filterAds();
            handleRedirects();
        });
    }

    // 搜狗净化
    function optimizeSogou() {
        GM_addStyle(`
            div#right.right { display: none; }
            div.hintBox { display: none; }
            div#s_footer.cr { display: none; }
            a#cniil_wza { display: none; }
            [id^="sogou_vr_"][id*="yuanbao_banner"] > div,
            [id*="yuanbao_banner"] > div,
            [id*="yuanbao-banner"] > div,
            [id^="sogou_vr_"][id*="ima_banner"] > div,
            [id*="ima_banner"] > div,
            [id*="ima-banner"] > div {
                display: none !important;
            }
            vrwrap.middle-better-hintBox { display: none; }
            [id^="sogou_vr_"].vrwrap.middle-better-hintBox {
                display: none !important;
            }
            /* 移除内部含有 video-recommend 链接的 reactResult 卡片 */
            .reactResult:has(a[href*="/video-recommend?ids="]) {
                display: none !important;
            }

            #main, #main.main { width: 1000px; margin: 0 auto; }
            #main > div.search-info,
            #main > #stable_uphint,
            #main > div.js-page-results {
                width: 1000px;
                margin-top: 0;
                margin-bottom: 0;
            }
            div.header { display: flex !important; justify-content: center !important; }
            ul.searchnav { padding-left: 0px !important; width: 1000px; }
            div.header-box { width: 1000px; }
            form#searchForm { padding: 0px !important; }
            #main > div.js-page-results > div.results,
            [id^="sogou_vr_"].reactResult,
            [id^="sogou_vr_"].vrwrap{
                width: 1000px;
            }
            .vrwrap,
            div.rb { 
                margin-bottom: 10px; 
                border-radius: 10px !important;
                box-shadow: 1px 1px 10px #ccc; 
                padding: 20px; 
                min-width: 1000px; 
            }
            #main > div.autopage-bar.widthAuto.autopage-over,
            #main > div.autopage-bar.widthAuto.autopage-over > div {
                width: 1000px;
            }
        `);

        // 广告过滤
        function filterAds() {
            removeElements('#so_kw-ad, #m-spread-left, #m-spread-bottom');
            
            // 广告标记内容移除
            document.querySelectorAll('#righttop_box li').forEach(function(li) {
                var span = li.querySelector('span');
                if (span && span.textContent && span.textContent.includes('广告')) {
                    li.remove();
                }
            });
        }

        // 动态内容监听
        var observer = new MutationObserver(filterAds);
        observer.observe(document, { childList: true, subtree: true });

        // 定时检查
        setInterval(filterAds, 1000);

        // 初始执行
        filterAds();
    }

    // 360净化
    function optimize360() {
        var style = `
            html body #ai_tools,
            html body .aitools,
            html body #card_container,
            html body #side,
            html body #side_wrap,
            html body #j-chat-so,
            html body #so_ob,
            html body #so_kw-ad.e-buss,
            html body #lm-rightbottom,
            #ai-input-wrapper > div.ai-input-panel {
                display: none !important;
            }
        `;
        
        // 仅在首页添加搜索框位置样式
        if (window.location.href === 'https://www.so.com/') {
            style += `
                .page-wrap.skin-page-wrap {
                    position: relative;
                    width: 100%;
                }
                #main {
                    position: absolute;
                    top: 40%;
                    left: 50%;
                    transform: translate(-50%, -50%);
                }
            `;
        }
        
        GM_addStyle(style);

        // 广告过滤
        function filterAds() {
            removeElements('.res-mediav, .e_result, .c-title-tag, DIV.res-mediav-right, ' +
                'DIV.inner_left, #so-activity-entry, DIV.tg-wrap');
        }

        // 动态内容监听
        var observer = new MutationObserver(filterAds);
        observer.observe(document, { childList: true, subtree: true });

        // 定时检查
        setInterval(filterAds, 1000);

        // 初始执行
        filterAds();
    }

    // 主执行函数
    function main() {
        // 初始化通用URL清理功能
        initUrlCleaner();

        // 根据搜索引擎执行对应优化
        var engine = detectSearchEngine();
        switch (engine) {
            case 'baidu':
                optimizeBaidu();
                console.log('应用百度净化');
                break;
            case 'google':
                optimizeGoogle();
                console.log('应用谷歌净化');
                break;
            case 'bing':
                optimizeBing();
                console.log('应用Bing净化');
                break;
            case 'sogou':
                optimizeSogou();
                console.log('应用搜狗净化');
                break;
            case '360':
                optimize360();
                console.log('应用360净化');
                break;
            default:
                console.log('当前页面不支持优化');
        }
    }

    // 执行主函数
    main();
})();