// ==UserScript==
// @name         起点小说解锁|VIP章节免费阅读|极速章节识别
// @version      1.3.5
// @description  可解锁起点小说VIP付费章节。基本还原付费效果，无需设置即可阅读。
// @author       JiGuang
// @namespace    www.xyde.net.cn
// @homepageURL  http://www.xyde.net.cn
// @match        https://www.qidian.com/chapter/*
// @require https://cdn.jsdelivr.net/npm/sweetalert2@11
// @require https://cdn.staticfile.org/jquery/2.0.3/jquery.min.js
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_xmlhttpRequest
// @grant unsafeWindow
// @grant GM_registerMenuCommand
// @connect
// @license MIT
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';
    //全局配置
    //获取cookie值
    var index = getCookie("choice");
    var times = getCookie("times");
    if (index == null) { index = 0 }
    if (times == null) { times = 0 }
    var config = {
        //配置版本号
        version: 1,
        //支持的书源地址：
        //步骤1
        webSites:
            [
                "http://www.dushuge.com/hsdgiohsdigohsog.php?ie=gbk&q="
            ],
        //跳转网址：用于修正脚本读取章节地址自动把起点前缀拼接起来
        //步骤1
        webGo: ['http://www.dushuge.com'],
        //网页内容：F12查看页面元素 找到章节文字所在的标签id
        webContent: ['#content'],
        //书源描述
        webDesc: ["读书阁"],
        //正在使用的书源
        webSiteIndex: index,
        //搜索前缀:
        //步骤2：查看书源网站搜索关键字后跳转地址 并替换
        webSearch: [''],
        //搜索方法 : 目前没有特别大的作用
        webMethod: ["GET"],
        //使用序列: 不同书源的获取章节目录的标签选择不同
        //步骤5：0 代表第一个字符串
        webReturn: [2],
        //书源类型:0代表网页书源，1代表api请求书源
        webType: [0],
        //具体章节网址替换
        webHref: [0],
        //book：不同书源的获取作品名的标签选择不同
        //步骤3:去书源网站搜索页面查找标签并替换
        webBook: [
            "h4.bookname > a",
            ],
        //author
        //步骤3:去书源网站搜索页面查找标签并替换
        webAuthor: [
            "div.author",
            ]
    }
    //注册的菜单和对应执行的函数
    var menus = [
        {
            name: '打开设置',
            event: openSetting
        },
    ]

    //增加cookie缓存
    function setCookie(cName, value, datetime) {
        var oDate = new Date();
        if (datetime == 0) { datetime = 1 * 24 * 60 * 60 * 1000 }
        oDate.setTime(oDate.getTime() + datetime);//设置过期时间
        var cookieString = cName + value + ";expires='" + oDate.toGMTString() + ";path=/";
        document.cookie = cookieString;//存cookie
    }

    //获取指定名称的cookie的值
    function getCookie(cName) {
        var arrStr = document.cookie.split("; ");
        for (var i = 0; i < arrStr.length; i++) {
            var temp = arrStr[i].split("=");
            if (temp[0] == cName) {
                return decodeURI(temp[1]);
            }
        }
    }

    //增加菜单
    function addMenu() {
        for (var menu of menus) {
            GM_registerMenuCommand(menu.name, menu.event)
        }
    }

    //添加新书源
    function openSetting() {
        try {
            document.querySelector("#j_navSettingBtn > a").click()
        } catch (e) {
            notify('打开设置失败', 'warning')
        }
    }


    //把更换书源增加到设置菜单
    function hookSetting() {
        let bookhtml = ``
        for (var di in config.webDesc) {
            bookhtml += `<option value="${di}">${config.webDesc[di]}</option>`
        }
        if (!document.querySelector(".w-359px")) {
            setTimeout(hookSetting, 1000)
            return
        }
        let e = document.createElement("div")
        e.innerHTML = `<li class="remind" style="margin-top:10px;">
<i>书源切换</i>
<select id="select" style="position:relative;top:5px">
<option value="#">请选择要切换的书源</option>
${bookhtml}
</select>
</li>`
        document.querySelector(".w-359px").appendChild(e)
        document.querySelector("#select").onchange = function () {
            var index = document.querySelector("#select").value
            setCookie("choice=", index, 0)
            location.reload()
        }

    }
    //自动加载本章说
    async function comment() {
        $("#j-readPage").removeClass("j-sectionCommentLimit")
        $("#j_chapterBox > div > div").removeClass("j-sectionCommentLimit")
    }

    //提示用户
    function notify(title = '操作成功', type = 'success', show = true) {
        console.log(title)
        const Toast = Swal.mixin({
            toast: true,
            position: 'top-end',
            showConfirmButton: false,
            timer: 2000,
            timerProgressBar: true,
            didOpen: (toast) => {
                toast.addEventListener('mouseenter', Swal.stopTimer)
                toast.addEventListener('mouseleave', Swal.resumeTimer)
            }
        })
        if (show)
            Toast.fire({
                icon: type,
                title: title
            })
        return Toast
    }

    //获取章节名
    function QDgetBookChapter() {
        let ele = document.querySelector("#reader-content > div.min-h-100vh.relative.z-1.bg-inherit > div > div.relative > div > h1")
        if (ele) {
            let res = '' + ele.innerText
            res = res.replace(' ', '')
            console.log(`BookChapter:${res}`)
            return res
        }
        return undefined
    }

    // 获取小说名字，去掉括号内的内容
    function QDgetBookName() {
        const bookNameElement = document.querySelector("#r-breadcrumbs > a.text-s-gray-900");
        if (bookNameElement) {
            // 使用正则表达式去掉括号内的内容
            const rawName = bookNameElement.innerText;
            const cleanedName = rawName.replace(/\（[^)]*\）/g, '').trim();
            console.log(`BookName:${cleanedName}`)
            return cleanedName;
        } else {
            return null; // 或者返回一个默认的名称，或者抛出错误，具体根据需求来定
        }
    }


    //本章是否已被购买
    function QDgetChapterOrder() {
        //return false
        // @ts-ignore
        let not_buy_as = document.querySelector("#reader-content > div.min-h-100vh.relative.z-1.bg-inherit > div > section.sm\\:border-t.sm\\:border-outline-black-8.sm\\:pt-48px.sm\\:my-64px.sm\\:mx-64px.mb-24px.text-center.mx-20px > div:nth-child(3) > button")
        if(not_buy_as) return null
        else return false
        }

    //设置页面阅读内容
    async function QDsetContent(content) {
        document.querySelector("#reader-content > div.min-h-100vh.relative.z-1.bg-inherit > div > div.relative > div > main").innerHTML = content
    }


    //将请求的url的html内容转化成document对象
    async function parseDocFromAjax(method, url, flag) {
        return new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                method,
                url: url,
                onload: (res) => {
                    if (config.webType[config.webSiteIndex] == 1 || flag) {
                        let str = res.response
                        // console.log(str)
                        str = str.replace(/\\r\\n　　\\r\\n　　/g, "<br><br>　　&nbsp;&nbsp;&nbsp;&nbsp;")
                        str = str.replace(/\\r\\n　　/g, "<br><br>　　&nbsp;&nbsp;&nbsp;&nbsp;")
                        let arr = eval('(' + str + ')')
                        const { data } = arr
                        console.log(data)
                        return resolve(data)
                    }
                    let htmldoc = document.createElement('html')
                    let htmlstr = res.responseText
                    htmlstr = htmlstr.replace(/http /g, "https")
                    htmlstr = htmlstr.replace(/img src/g, "a url")
                    htmlstr = htmlstr.replace(/onerror/g, "class")
                    //  console.log(htmlstr)
                    htmldoc.innerHTML = htmlstr
                    console.log(url)
                    resolve(htmldoc)
                },
                onerror: (err) => {
                    reject(err)
                }
            })
        })
    }



    //搜索小说并返回结果
    async function searchBook(keywords) {
        const r = await parseDocFromAjax(config.webMethod[config.webSiteIndex], config.webSites[config.webSiteIndex] + keywords + config.webSearch[config.webSiteIndex])
        let resList = []
        if (config.webType[config.webSiteIndex] == 1) {
            r.map(item => {
                resList.push({ id: item.Id, bookName: item.Name, author: item.Author, url: config.webGo[config.webSiteIndex] + item.Id + "/" })
                //console.log(item)
            })
            //console.log(resList[0])
            return resList
        }
        var bookList = r.querySelectorAll(config.webBook[config.webSiteIndex])
        const authorList = r.querySelectorAll(config.webAuthor[config.webSiteIndex])
        for (let i in bookList) {
            if (bookList[i].title) {
                resList.push({ bookName: bookList[i].title, author: authorList[i].innerText, url: config.webGo[config.webSiteIndex] + bookList[i].pathname })
            }
            resList.push({ bookName: bookList[i].innerText, author: authorList[i].innerText, url: config.webGo[config.webSiteIndex] + bookList[i].pathname })
        }
        // console.log(resList)
        return resList
    }

    //获取小说目录
    async function getChapterList(book) {
        let resList = []
        let bookUrl = book.url.replace('https://vipreader.qidian.com/', config.webGo[config.webSiteIndex])
        const r = await parseDocFromAjax('GET', bookUrl)
        if (config.webType[config.webSiteIndex] == 1) {
            // console.log(r)
            r.list.map(item => {
                item.list.map(i => {
                    resList.push({ title: i.name, url: config.webGo[config.webSiteIndex] + book.id + "/" + i.id + ".html" })
                })
            })
            // console.log(resList);
            return resList
        }
        let s = ["#list > dl > dd > a", "ul.cf > li > a", "div.listmain > dl > dd > a"]
        //步骤4：如书源目录标签不相同 此处添加后再在webReturn修改对应数字
        const cateList = r.querySelectorAll(s[config.webReturn[config.webSiteIndex]])
        console.log("cateList:", cateList)
        for (let i of cateList) {
            // console.log( i)
            let url = i.getAttribute("href")
            if (config.webHref[config.webSiteIndex] == 1) {
                // console.log("Ok")
                //  bookUrl = bookUrl.substring(0, bookUrl.lastIndexOf("/")+1)
                config.webGo[config.webSiteIndex] = ''
            }
            url = config.webGo[config.webSiteIndex] + url
            resList.push({ title: i.innerText, url: url })
        }
        return resList
    }

    //获取章节内容
    async function getContent(pageUrl) {
        const res = await parseDocFromAjax('GET', pageUrl)
        if (config.webType[config.webSiteIndex] == 1) {
            let title = res.cname.replace(" ", '')
            if (res.content.indexOf(title) == -1) return res.content
            title = title + '<br>　　'
            res.content = res.content.replace(title, '')
            //console.log('getContent:',res.content)
            return res.content
        }
        return res.querySelector(config.webContent[config.webSiteIndex]).innerHTML
    }


    //解析书源函数
    async function parseMain() {

        //搜索小说名字
        var r = await searchBook(QDgetBookName())
        let ii = 0
        //优先匹配名字相同的
        for (let suoyin in r) {
            if (r[suoyin].bookName == QDgetBookName()) {
                ii = suoyin
                break;
            }
        }
        if (r[ii] == undefined) {
            console.log("搜索作者")
            r = await searchBook(a)
            for (let suoyin in r) {
                if (r[suoyin].bookName == QDgetBookName()) {
                    ii = suoyin
                    break;
                }
            }
        }
        //获取第一项结果章节目录
        if (r[ii] == undefined) {
            console.log('该小说暂无资源')
        }
        //  console.log(r[ii])
        const clist = await getChapterList(r[ii])
        if (QDgetBookChapter() == undefined || clist.length == 0) {
            console.log('抓取目录失败')
        }
        console.log('抓取目录成功')
        // console.log(clist)
        //获取章节名
        for (let i in clist) {
            let tit = '' + clist[i].title
            let str = tit
            tit = tit.replace(' ', '')
            //console.log('匹配',tit,QDgetBookChapter())
            var patt1 = /[a-zA-Z\u4e00-\u9fa5]+/g
            var patt2 = /[0-9]+/g
            str = QDgetBookChapter()
            var flag = false
            //排除纯数字章节的影响
            if (tit.match(patt1) == null) {
                tit = tit.match(patt2)
                str = str.match(patt2)
            }
            else if (str.match(patt1) == null) {
                str = str.match(patt2)
                tit = tit.match(patt2) == null ? tit.match(patt1) : tit.match(patt2)
            }
            else {
                str = str.match(patt1)
                tit = tit.match(patt1)
                //有些作者喜欢加第几卷第几章 但是书源网站没有卷名
                var str2 = str.join("").split(/卷|章/)
                var tit2 = tit.join("").split(/卷|章/)
                //模糊读取，若无法精准匹配 尝试模糊名匹配 并设置缓存默认以此方法匹配，默认是2分钟
                console.log(times)
                if (times >= 4 & times < 11) {
                    //自带数字章节名 首个字符串与书源匹配
                    if (str[0] == tit[0]) {
                        flag = true
                        setCookie("times=", times, 1 * 1000 * 60 * 2)//这里修改2可以改缓存时间
                    }
                }
                else if (times >= 11 & times < 17) {
                    //末尾名匹配
                    if (str2[str2.length - 1] == tit2[tit2.length - 1]) {
                        flag = true
                        setCookie("times=", times, 1 * 1000 * 60 * 2)
                    }
                }
                else if (times >= 17) {
                    //中间名匹配
                    if (str2[str2.length - 2] == tit2[tit2.length - 2]) {
                        flag = true
                        setCookie("times=", times, 1 * 1000 * 60 * 2)
                    }
                }
            }
            //  console.log(str[0],tit[0])
            if (str.join("") == tit.join("") || flag == true) {
                console.log('检查到结果')
                const content = await getContent(clist[i].url)
                QDsetContent(content)
                console.log('写入成功')
                notify('小说读取成功')
                return
            }
        }
        times++
        setCookie("times=", times, 1 * 1000 * 60 * 2)
        console.log('目录匹配失败')
        notify('未查询到该小说内容', 'warning')
        throw new Error('该书源解析失败')
    }


    //递归更换书源
    async function mergeOne(index) {
        try {
            if (index) {
                config.webSiteIndex = index
                console.log(index)
            }
            notify(`正在切换到书源${config.webDesc[config.webSiteIndex]}...`, 'info')
            await parseMain()
        } catch (e) {
            console.log(e)
            config.webSiteIndex = (config.webSiteIndex + 1) % 6
            mergeOne()
        }
    }
    //MAIN-BEFORE 主程序预备函数
    if (QDgetChapterOrder() != null) {
        notify(`已订阅章节`)
    } else {
        addMenu()
        //MAIN 主程序
        notify(`您正在阅读${QDgetBookName()}的${QDgetBookChapter()}`)
        mergeOne()
        comment()
        hookSetting()
    }

    // Your code here...
})();