// ==UserScript==
// @name            Google & baidu Switcher (ALL in One)
// @name:en         Google & baidu & Bing Switcher (ALL in One)
// @name:zh-CN      谷歌搜索、百度搜索、必应搜索的聚合跳转集合工具
// @name:zh-TW      谷歌搜索、百度搜索、必應搜索的聚合跳轉集合工具
// @version         2.0.20201123.1
// @author          F9y4ng
// @description     最新版本的集合谷歌、百度、必应的搜索引擎跳转工具，必应跳转可在菜单进行自定义设置。此版本无外部脚本调用，更快速和准确的进行按钮定位，显示速度大大提升。如有异常请清空浏览器缓存，再次载入使用，感谢使用！
// @description:zh-TW  最新版本的集合谷歌、百度、必應的搜索引擎跳轉工具，必應跳轉可在菜單進行自定義設置。此版本無外部腳本調用，更快速和準確的進行按鈕定位，顯示速度大大提升。如有異常請清空瀏覽器緩存，再次載入使用，感謝使用！
// @description:en  The latest version of Google, Baidu, Bing`s search engine, Bing option can be switched in the menu settings. If any exception or error, please clear the browser cache and reload it. again. Thank you!
// @namespace       https://openuserjs.org/scripts/t3xtf0rm4tgmail.com/Google_baidu_Switcher_(ALL_in_One)
// @feedback-url    https://greasyfork.org/zh-CN/scripts/12909-google-baidu-switcher-all-in-one/feedback
// @icon            https://www.google.com/favicon.ico
// @include         *://encrypted.google.*/search*
// @include         *://*.google*/search*
// @include         *://*.google*/webhp*
// @include         *://*.baidu.com/*
// @include         *://*.bing.com/*
// @compatible      Chrome
// @compatible      Firefox
// @compatible      Opera
// @compatible      Safari
// @grant           GM_info
// @grant           GM_registerMenuCommand
// @grant           GM_unregisterMenuCommand
// @grant           GM_openInTab
// @grant           GM_getValue
// @grant           GM_setValue
// @grant           GM_notification
// @license         GPL-3.0-only
// @create          2015-10-07
// @copyright       2015-2020, F9y4ng
// @run-at          document-start
// @downloadURL none
// ==/UserScript==

(! function() {

    'use strict';

    let isdebug = false;
    let debug = isdebug ? console.log.bind(console) : function() {};
    /*
    Perfectly Compatible For Greasemonkey, TamperMonkey, ViolentMonkey.
    */
    let Storage, GMsetValue, GMgetValue, GMregisterMenuCommand, GMunregisterMenuCommand, GMnotification, GMopenInTab;
    const isGM = Boolean(GM_info.scriptHandler.toLowerCase() === "greasemonkey");
    debug('//-> ' + isGM + ' >> ' + GM_info.scriptHandler);
    if (isGM) {
        Storage = window.localStorage;
        if (Storage) {
            GMsetValue = function(key, value) {
                Storage.setItem(key, value);
            };
            GMgetValue = function(key) {
                return Storage.getItem(key);
            };
            GMregisterMenuCommand = function(caption, commandFunc, accessKey) {
                if (!document.body) {
                    if (document.readyState === "loading" && document.documentElement && document.documentElement.localName === "html") {
                        new MutationObserver(function(mutations, observer) {
                            if (document.body) {
                                observer.disconnect();
                                GMregisterMenuCommand(caption, commandFunc, accessKey);
                            }
                        }).observe(document.documentElement, {
                            childList: true
                        });
                    } else {
                        debug("GMregisterMenuCommand got no body.");
                    }
                    return;
                }
                let contextMenu = document.body.getAttribute("contextmenu");
                let menu = contextMenu ? document.querySelector("menu#" + contextMenu) : null;
                if (!menu) {
                    menu = document.createElement("menu");
                    menu.setAttribute("id", "gm-registered-menu");
                    menu.setAttribute("type", "context");
                    document.body.appendChild(menu);
                    document.body.setAttribute("contextmenu", "gm-registered-menu");
                }
                let menuItem = document.createElement("menuitem");
                menuItem.setAttribute("icon", "https://wiki.greasespot.net/favicon.ico");
                menuItem.textContent = caption;
                menuItem.addEventListener("click", commandFunc, true);
                menu.appendChild(menuItem);
            };
            GMunregisterMenuCommand = function() {
                let contextMenu = document.body.getAttribute("contextmenu");
                let menu = contextMenu ? document.querySelector("menu#" + contextMenu) : null;
                if (menu) {
                    document.body.removeChild(menu);
                }
            };
            GMnotification = function(options) {
                const opts = {};
                if (typeof options === "string") {
                    opts.text = options;
                    opts.title = arguments[1];
                    opts.image = arguments[2];
                    opts.onclick = arguments[3];
                } else {
                    Object.keys(options).forEach(function(key) {
                        opts[key] = options[key];
                    });
                }

                checkPermission();

                function checkPermission() {
                    if (Notification.permission === "granted") {
                        fireNotice(opts);
                    } else if (Notification.permission === "denied") {
                        debug('//-> User has denied notifications for this page/site!');
                        return;
                    } else {
                        Notification.requestPermission(function(permission) {
                            debug('//-> New permission: ' + permission);
                            checkPermission();
                        });
                    }
                }

                function fireNotice(ntcOptions) {
                    if (ntcOptions.text && !ntcOptions.body) {
                        ntcOptions.body = ntcOptions.text;
                    }
                    let ntfctn = new Notification(ntcOptions.title, ntcOptions);

                    if (ntcOptions.onclick) {
                        ntfctn.onclick = ntcOptions.onclick;
                    }
                    if (ntcOptions.timeout) {
                        setTimeout(function() {
                            ntfctn.close();
                        }, ntcOptions.timeout);
                    }
                }
            };
            GMopenInTab = function(a, b) {
                window.open(a, Math.random().toString(36).slice(-6), '', b instanceof String);
            };
        }
    } else {
        GMsetValue = GM_setValue;
        GMgetValue = GM_getValue;
        GMregisterMenuCommand = GM_registerMenuCommand;
        GMunregisterMenuCommand = GM_unregisterMenuCommand;
        GMnotification = GM_notification;
        GMopenInTab = GM_openInTab;
    }

    const defaultConfig = {
        Version: GM_info.script.version,
        lastRuntime: (new Date()).toLocaleString('chinese', {
            hour12: false
        }),
    };

    console.log("%c[GB-Init]%c\nVersion: " + defaultConfig.Version + "\nlastRuntime: " + defaultConfig.lastRuntime, "font-weight:bold;color:dodgerblue", "color:0");

    (! function() {

        let CONST = {
            isSecurityPolicy: false,
            isUseBing: (function() {
                let temp = parseInt(GMgetValue('_if_Use_Bing_'));
                if (isNaN(temp)) {
                    GMsetValue('_if_Use_Bing_', 0);
                    console.log("%c[GB-Warning]%c\nThis Is Your First Visit, The Bing Search Button Will Not Be Inserted By Default.", "font-weight:bold;color:salmon", "color:1");
                    return false;
                } else {
                    return Boolean(temp);
                }
            })(),
        };

        debug('//-> ' + CONST.isUseBing);

        let curretSite = {
            SiteTypeID: 1,
            SiteName: "",
            SplitName: "",
            MainType: "",
            HtmlCode: "",
            StyleType: "",
        };

        const listSite = {
            baidu: {
                SiteTypeID: 1,
                SiteName: "Baidu",
                SplitName: "tn",
                MainType: ".s_btn_wr",
                HtmlCode: CONST.isUseBing ?
                    `<span id="ggyx">
                   <input type="button" title="Google一下" value="Google"/>
                  </span>
                  <span id="bbyx">
                    <input type="button" title="Bing一下" value="Bing ®"/>
                  </span>` : `<span id="ggyx">
                    <input type="button" title="Google一下" value="Google一下"/>
                  </span>`,
                StyleCode: CONST.isUseBing ?
                    `#form {
                    white-space: nowrap;
                  }
                  #u {
                    z-index: 1!important;
                  }
                  #for_Baidu #ggyx, #for_Baidu #bbyx {
                    margin-left: 2px;
                  }
                  #ggyx input, #bbyx input {
                    background: #4e71f2;
                    border-radius: 10px;
                    cursor: pointer;
                    height: 40px;
                    color: #fff;
                    width: 80px;
                    border: 1px solid #2d78f4;
                    font-size: 16px;
                    font-weight:bold;
                  }
                  #ggyx input:hover, #bbyx input:hover {
                    background: #4662D9;
                    border: 1px solid #2d78f4;
                  }` : `#form {
                    white-space: nowrap;
                  }
                  #u {
                    z-index: 1!important;
                  }
                  #for_Baidu {
                    margin-left: 6px
                  }
                  #ggyx input {
                    background: #4e71f2;
                    border-radius: 10px;
                    cursor: pointer;
                    height: 40px;
                    color: #fff;
                    width: 112px;
                    border: 1px solid #2d78f4;
                    font-size: 16px
                  }
                  #ggyx input:hover {
                    background: #4662D9;
                    border: 1px solid #2d78f4;
                  }`,
            },
            google: {
                SiteTypeID: 2,
                SiteName: "Google",
                SplitName: "tbm",
                MainType: "form button[type='submit']",
                HtmlCode: CONST.isUseBing ?
                    `<span id="bdyx">
                    <input type="button" title="百度一下" value="百度一下"/>
                  </span>
                  <span id="bbyx">
                    <input type="button" title="Bing一下" value="Bing一下"/>
                  </span>` : `<span id="bdyx">
                    <input type="button" title="百度一下" value="百度一下"/>
                  </span>`,
                StyleCode: CONST.isUseBing ?
                    `#for_Google {
                    margin: 3px 4px 0 -5px;
                  }
                  #for_Google #bbyx{
                    margin-top:-1px;
                  }
                  #bdyx input, #bbyx input {
                    cursor: pointer;
                    border: 1px solid transparent;
                    background: #1a73e8;
                    box-shadow: none;
                    border-radius: 24px;
                    width: 90px;
                    height: 38px;
                    font-size: 15px;
                    font-weight: bold;
                    color: #fff
                  }
                  #bdyx input:hover, #bbyx input:hover {
                    background: #2b7de9;
                  }` : `#for_Google {
                    margin: 3px 4px 0 -5px;
                  }
                  #bdyx input {
                    cursor: pointer;
                    border: 1px solid transparent;
                    background: #1a73e8;
                    box-shadow: none;
                    border-radius: 24px;
                    width: 90px;
                    height: 38px;
                    font-size: 14px;
                    font-weight: bold;
                    color: #ffffff;
                  }
                  #bdyx input:hover {
                    background: #2b7de9;
                  }`,
            },
            bing: {
                SiteTypeID: 3,
                SiteName: "Bing",
                SplitName: "/",
                MainType: "#sb_go_par",
                HtmlCode: `
                  <span id="bdyx">
                    <input type="button" title="百度一下" value="百度"/>
                  </span>
                  <span id="ggyx">
                    <input type="button" title="Google一下" value="Google"/>
                  </span>`,
                StyleCode: `
                  #for_Bing {
                    height: 44px;
                    width: 120px;
                    margin: 2px 10px 2px 0;
                  }
                  #bdyx input, #ggyx input {
                    cursor: pointer;
                    width: auto 60px;
                    height: 36px;
                    background-color: #f5f5f5;
                    border: 1px solid #dddddd;
                    color: #666666;
                    margin-left:-2px;
                  }
                  #bdyx input:hover, #ggyx input:hover {
                    transition:border linear .1s,box-shadow linear .3s;
                    box-shadow:0 0 8px #4e4e4e;
                  }`,
            },
            other: {
                SiteTypeID: 0,
            }
        };

        let newSiteType = {
            BAIDU: listSite.baidu.SiteTypeID,
            GOOGLE: listSite.google.SiteTypeID,
            BING: listSite.bing.SiteTypeID,
            OTHERS: 0
        };

        debug('//-> The program begins to execution phase.');

        if (location.host.includes(".baidu.com")) {
            curretSite = listSite.baidu;
        } else if (location.host.includes("google")) {
            curretSite = listSite.google;
        } else if (location.host.includes("bing")) {
            curretSite = listSite.bing;
        } else {
            curretSite = listSite.other;
        }

        if ((curretSite.SiteTypeID === newSiteType.GOOGLE && location.href.replace(/tbm=(isch|lcl|shop|flm|nws|vid|fin)/, "") !== location.href) ||
            (curretSite.SiteTypeID === newSiteType.BING && location.href.replace(/maps\?/, "") !== location.href) ||
            (curretSite.SiteTypeID === newSiteType.BAIDU && location.href.replace(/tn=(baiduimage|ikaslist|vsearch)/, "") !== location.href)) {
            console.log("%c[GB-Prohibit]%c\nCaused By: %c%s Security Policy%c.", "font-weight:bold;color:indigo", "color:0", "color:darkred", curretSite.SiteName, "color:0");
            CONST.isSecurityPolicy = true;
        }

        let menuManager = {

            menuDisplay: function() {
                let _Use_Bing_ = CONST.isUseBing;
                let _use_Bing_ID, in_Use_feedBack_ID;

                registerMenuCommand();
                debug('//-> ' + _Use_Bing_);

                function registerMenuCommand() {
                    let _Use_Bing__;
                    if (in_Use_feedBack_ID) {
                        GMunregisterMenuCommand(_use_Bing_ID);
                        GMunregisterMenuCommand(in_Use_feedBack_ID);
                    }

                    if (_Use_Bing_) {
                        _Use_Bing__ = "√";
                    } else {
                        _Use_Bing__ = "×";
                    }

                    _use_Bing_ID = GMregisterMenuCommand(` [${_Use_Bing__}] \u6dfb\u52a0 Bing\u641c\u7d22\u8df3\u8f6c`,
                        function() {
                            inUse_switch(_Use_Bing_, '_if_Use_Bing_', 'Bing\u6309\u94ae');
                        });

                    in_Use_feedBack_ID = GMregisterMenuCommand('\u4f7f\u7528\u53cd\u9988',
                        function() {
                            GMopenInTab('https://greasyfork.org/zh-CN/scripts/12909-google-baidu-switcher-all-in-one/feedback', {
                                active: true,
                                insert: true,
                                setParent: true
                            });
                        });

                    console.log("%c[GB-Status]%c\nLet The Bing Search Engine Insert: %c%s%c", "font-weight:bold;color:darkorange", "color:0", "font-weight:bold;color:red", (function() {
                        return (_Use_Bing_).toString().toUpperCase();
                    })(), "font-weight:normal;color:0");
                }

                function inUse_switch(_status, Name, Tips) {
                    const title = `\u6e29\u99a8\u63d0\u793a\uff1a`;
                    if (_status) {
                        GMsetValue(`${Name}`, 0);
                        GMnotification(`${Tips}\u5df2\u5173\u95ed\uff0c\u4e09\u79d2\u540e\u5c06\u5237\u65b0\uff01`, title);
                    } else {
                        GMsetValue(`${Name}`, 1);
                        GMnotification(`${Tips}\u5df2\u5f00\u542f\uff0c\u4e09\u79d2\u540e\u5c06\u5237\u65b0\uff01`, title);
                    }
                    registerMenuCommand();
                    window.setTimeout(function() {
                            location.replace(location);
                        },
                        3000);
                }
            },
            init: function() {
                this.menuDisplay();
            }
        };

        let searchManager = {

            doSwitch: function() {
                try {
                    if (curretSite.SiteTypeID !== newSiteType.OTHERS) {
                        document.addEventListener('DOMNodeInserted', Callback, false);
                        document.addEventListener('keyup', Callback, false);
                        RAFInterval(function() {
                            if (document.querySelector('#for_' + curretSite.SiteName) === null) {
                                if (CONST.isSecurityPolicy) {
                                    return;
                                }
                                insertSearchButton();
                                ScrollDetect();
                            }
                        }, 500);
                    }
                } catch (e) {
                    debug('//-> ' + e.name);
                }

                function insertSearchButton() {
                    const getTarget = curretSite.MainType;
                    const doHtml = curretSite.HtmlCode;
                    const doStyName = "InsertTo" + curretSite.SiteName;
                    const doStyle = curretSite.StyleCode;
                    let Target = document.querySelector(getTarget);
                    let userSpan = document.createElement("span");
                    userSpan.id = "for_" + curretSite.SiteName;
                    userSpan.innerHTML = doHtml;
                    addStyle(doStyle, doStyName, "head", true);

                    if (document.querySelector('#' + userSpan.id) === null && getSearchValue().length > 0) {
                        const vim = GetUrlParam(curretSite.SplitName);
                        debug('//-> ' + vim);
                        if (vim.match(/(nws|vid|fin)/)) {
                            Target = Target.lastChild;
                        }
                        insterAfter(userSpan, Target);
                        document.querySelectorAll('#ggyx, #bbyx, #bdyx').forEach(function(per) {
                            per.addEventListener("click", function() {
                                let gotoUrl = "about:blank";
                                switch (per.id) {
                                    case "ggyx":
                                        gotoUrl = "https://www.google.com/search?newwindow=1&hl=zh-CN&source=hp&q=";
                                        break;
                                    case "bbyx":
                                        gotoUrl = "https://cn.bing.com/search?q=";
                                        break;
                                    case "bdyx":
                                        gotoUrl = "https://www.baidu.com/s?ie=utf-8&rqlang=cn&wd=";
                                        break;
                                    default:
                                        break;
                                }
                                debug('//-> ' + per.id);
                                GMopenInTab(gotoUrl + getSearchValue(), {
                                    active: true,
                                    insert: true,
                                    setParent: true
                                });
                            });
                        });
                    }
                }

                function ScrollDetect() {
                    let nodeName = '#for_' + curretSite.SiteName;
                    if (curretSite.SiteTypeID === newSiteType.GOOGLE) {
                        debug('//-> Turn on google scrolling detecting.');
                        document.querySelector(nodeName).parentNode.style = 'width:700px!important';
                        scrollButton(nodeName + ' #bdyx input');
                        scrollButton(nodeName + ' #bbyx input');
                    }
                }

                function insterAfter(newElement, targetElement) {
                    let parent = targetElement.parentNode;
                    if (parent.lastChild === targetElement) {
                        parent.appendChild(newElement);
                    } else {
                        parent.insertBefore(newElement, targetElement.nextSibling);
                    }
                }

                function Callback(e) {
                    if (e.target !== null && typeof(e.target.className) === "string" && e.target.className.toUpperCase().indexOf("INSERTTO") === 0) {
                        return;
                    }
                    ScrollDetect();
                    setTimeout(function() {
                        insertSearchButton();
                    }, 200);
                }

                function scrollButton(paraName) {
                    let oDiv = document.querySelector(paraName),
                        H = 0,
                        Y = oDiv;
                    while (Y) {
                        H += Y.offsetTop;
                        Y = Y.offsetParent;
                    }
                    document.addEventListener('scroll', function() {
                        let s = document.body.scrollTop || document.documentElement.scrollTop;
                        debug('//-> H-' + H);
                        debug('//-> S-' + s);
                        if (s > H + 35) {
                            oDiv.style = "height:26px!important;font-size:13px;font-weight:normal";
                        } else {
                            oDiv.style = "";
                        }
                    });
                }

                function addStyle(css, className, addToTarget, isReload, initType) {
                    RAFInterval(function() {
                        let addTo = document.querySelector(addToTarget);
                        if (typeof(addToTarget) === "undefined") {
                            addTo = (document.head || document.body || document.documentElement || document);
                        }
                        isReload = isReload || false;
                        initType = initType || "text/css";
                        if (typeof(addToTarget) === "undefined" || (typeof(addToTarget) !== "undefined" && document.querySelector(addToTarget) !== null)) {
                            if (isReload === true) {
                                safeRemove("." + className);
                            } else if (isReload === false && document.querySelector("." + className) !== null) {
                                return true;
                            }
                            let cssNode = document.createElement("style");
                            if (className !== null) {
                                cssNode.className = className;
                            }
                            cssNode.setAttribute("type", initType);
                            cssNode.innerHTML = css;
                            try {
                                addTo.appendChild(cssNode);
                            } catch (e) {
                                debug('//-> ' + e.name);
                            }
                            return true;
                        }
                    }, 20, true);
                }

                function safeRemove(Css) {
                    safeFunction(() => {
                        let removeNodes = document.querySelectorAll(Css);
                        for (let i = 0; i < removeNodes.length; i++) {
                            removeNodes[i].remove();
                        }
                    });
                }

                function safeFunction(func) {
                    try {
                        func();
                    } catch (e) {
                        debug('//-> ' + e.name);
                    }
                }

                function GetUrlParam(paraName) {
                    const url = document.location.toString();
                    let arrObj = url.split("?");
                    if (arrObj.length > 1) {
                        let arrPara = arrObj[1].split("&");
                        let arr;
                        for (let i = 0; i < arrPara.length; i++) {
                            arr = arrPara[i].split("=");
                            if (arr !== null && arr[0] === paraName) {
                                return arr[1];
                            }
                        }
                        return "";
                    } else {
                        return "";
                    }
                }

                function getSearchValue() {
                    let kvl = location.search.substr(1).split("&");
                    let searchV = "";
                    for (let i = 0; i < kvl.length; i++) {
                        let value = kvl[i].replace(/^(wd|query|q)=/, "");
                        if (value !== kvl[i]) {
                            searchV = value;
                        }
                    }
                    searchV = searchV.replace("+", " ");
                    return searchV;
                }

                function RAFInterval(callback, period, runNow) {
                    const needCount = period / 1000 * 60;
                    let times = 0;
                    if (runNow === true) {
                        const shouldFinish = callback();
                        if (shouldFinish) {
                            return;
                        }
                    }

                    function step() {
                        if (times < needCount) {
                            times++;
                            requestAnimationFrame(step);
                        } else {
                            const shouldFinish = callback() || false;
                            if (!shouldFinish) {
                                times = 0;
                                requestAnimationFrame(step);
                            } else {
                                return;
                            }
                        }
                    }
                    requestAnimationFrame(step);
                }
            },

            init: function() {
                debug("//-> Execute insert jump button.");
                this.doSwitch();
                debug("//-> Call the load menu option.");
                menuManager.init();
            }
        };

        (function() {
            try {
                searchManager.init();
            } catch (e) {
                console.error("%c[GB-Error]%c\nConsole: %c%s%c.", "font-weight:bold;color:red", "color:0", "font-weight:bold;color:darkred", e, "color:0");
            } finally {
                console.log("%c[GB-Switch]%c\nNow Using The Search Engine: %c%s%c.", "font-weight:bold;color:Green", "color:0", "font-weight:bold;color:darkorange", (function() {
                    return curretSite.SiteName.toString();
                })(), "font-weight:normal;color:0");
            }
        }());

    }());

}());