// ==UserScript==
// @name         聚合搜索引擎切换导航[手机版][移动端]
// @namespace    http://tampermonkey.net/
// @version      1.0.4
// @description  在搜索顶部显示一个聚合搜索引擎切换导航，模拟M浏览器的综合搜索引擎。专注手机网页搜索引擎切换，纯粹的搜索。SearchJump、搜索跳转、聚合搜索。
// @author       PunkJet
// @home-url     https://greasyfork.org/zh-CN/scripts/462130

// @match        *://www.baidu.com/s*
// @match        *://m.baidu.com/s*
// @match        *://m.baidu.com/*/s*
// @include      *://www.baidu.com/*/s*
// @include      *://m.baidu.com/*/s*
// @match        *://duckduckgo.com/*
// @match        *://www.google.com/search*
// @match        *://www.google.com.hk/search*
// @match        *://www.bing.com/search*
// @match        *://cn.bing.com/search*
// @match        *://www.zhihu.com/search*
// @match        *://m.sogou.com/web/searchList.jsp*

// @match        *//m.sogou.com/web/*
// @match        *://m.douban.com/search*
// @match        *://yandex.com/search*
// @match        *://quark.sm.cn/s*

// @grant        unsafeWindow
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_addStyle
// @run-at       document-idle

// @license     MIT
// @downloadURL none
// ==/UserScript==

const searchUrlMap = [
    {
      name: "必应",
      searchUrl: "https://cn.bing.com/search?q=",
      searchkeyName: ["q"],
      matchUrl:"cn.bing.com",
    },
    {
      name: "百度",
      searchUrl: "https://baidu.com/s?wd=",
      searchkeyName: ["wd", "word"],
      matchUrl:"baidu.com",
    },
    {
        name: "谷歌",
        searchUrl: "https://www.google.com/search?q=",
        searchkeyName: ["q"],
        matchUrl:"google.com",
    },
    {
        name: "知乎",
        searchUrl: "https://www.zhihu.com/search?q=",
        searchkeyName: ["q"],
        matchUrl:"zhihu.com",
      },
      {
        name: "豆瓣",
        searchUrl: "https://m.douban.com/search/?query=",
        searchkeyName: ["query"],
        matchUrl:"m.douban.com",
      },
      {
        name: "夸克",
        searchUrl: "https://quark.sm.cn/s?q=",
        searchkeyName: ["q"],
        matchUrl:"quark.sm.cn",
      },
      {
        name: "搜狗",
        searchUrl: "https://m.sogou.com/web/searchList.jsp?keyword=",
        searchkeyName: ["keyword"],
        matchUrl:"m.sogou.com/web",
      },
      {
        name: "yandex",
        searchUrl: "https://yandex.com/search/touch/?text=",
        searchkeyName: ["text"],
        matchUrl:"yandex.com",
      },
      {
        name: "DuckDuckGo",
        searchUrl: "https://duckduckgo.com/?q=",
        searchkeyName: ["q"],
        matchUrl:"duckduckgo.com",
      }
     
];
   

function getSearchKeywords(name) {
    const url_string = window.location.href;
    const url = new URL(url_string);
    return url.searchParams.get(name);
}


function getKeywords() {
    let keywords = "";
    for (let urlItem of searchUrlMap) {
        
        if( window.location.href.indexOf(urlItem.matchUrl) >= 0 ) {
            for (let keyItem of urlItem.searchkeyName) {
                if ( window.location.href.indexOf(keyItem) >= 0 )
                {
                    keywords = getSearchKeywords(keyItem);
                    return keywords;
                }
            }
        }
    }
    return keywords;
}


function addSearchBox() {
    const searchBox = document.createElement("div");
    searchBox.id = "search-box";

    const appBoxDiv = document.createElement("div");
    appBoxDiv.id = "search-app-box";
    searchBox.appendChild(appBoxDiv);
   
    var ulList = document.createElement('ul');
    appBoxDiv.appendChild(ulList);

    let fragment = document.createDocumentFragment();//创建一个文档碎片，减少DOM渲染次数
    for (let index in searchUrlMap) {
        let liItem = document.createElement('li');
        let item = searchUrlMap[index];
   
        let a = document.createElement("a");
        a.innerText = item.name;

        if( window.location.href.indexOf(item.matchUrl) >= 0 ) {
            a.className = "search-engine-highlight";
        }
        a.href = item.searchUrl + getKeywords();
   
        liItem.appendChild(a);
        fragment.appendChild(liItem);
    }
    ulList.appendChild(fragment);

    const setBoxDiv = document.createElement("div");
    setBoxDiv.id = "search-setting-box";
    //setBoxDiv.innerHTML = `<a id="btnClose">X</a>`;
    setBoxDiv.innerHTML = `<span id="btnClose">
            <svg width="18" height="18" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M24 44C35.0457 44 44 35.0457 44 24C44 12.9543 35.0457 4 24 4C12.9543 4 4 12.9543 4 24C4 35.0457 12.9543 44 24 44Z" fill="none" stroke="#abcbe1" stroke-width="4" stroke-linejoin="round"/><path d="M29.6567 18.3432L18.343 29.6569" stroke="#abcbe1" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M18.3433 18.3432L29.657 29.6569" stroke="#abcbe1" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/></svg>
        </span>`;
    searchBox.appendChild(setBoxDiv);

    document.getElementsByTagName('head')[0].after(searchBox);

    let btnClose = document.querySelector("#btnClose");
    btnClose.onclick = function () {
        searchBox.style = `display:none;`;
    }
}


(function () {
    "use strict";
   
    const css =
      `
      #search-box {
        opacity:1 !important;
        position: fixed;
        display: -webkit-flex;
        display:flex;
        top: 0px;
        left: 0px;
        width: 100%;
        background-color: #FFFFFF !important;
        font-size: 15px;
        border-radius: 1px;
        z-index: 99999;
      }
        
      #search-app-box {
        flex:1;
        width: 0; 
      }
      #search-setting-box {
        flex: 0 0 36px;
        text-align: center;
        margin: auto;
   
    }
   
      #search-app-box ul {
        margin: 0;
        padding: 0;
        overflow: hidden;
        overflow-x: auto;
        list-style: none;
        white-space:nowrap;
      }
   
      #search-app-box ul::-webkit-scrollbar {
        display: none !important;
      }
  
      #search-app-box li {
        margin-left: 0px;
        display: inline-block;
      }
   
   
      #search-app-box ul li a {
        display: block;
        color: #767676 !important;
        padding: 8px;
        text-decoration: none;
        font-weight:bold;
        /*background-color: hsla(211, 60%, 35%, .1);*/
        font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
      }
   
      .search-engine-highlight  {
        background-color: hsla(211, 60%, 35%, .1) !important;
      }
   
      body{
        margin-top: 35px !important;
      }
   
   
      .his-wrap-new .fix-wrap {
         top:35px !important;
      }
   
    `
   
    GM_addStyle(css);
    addSearchBox();
   
})();