// ==UserScript==
// @name         麒麟听书
// @namespace    czy
// @version      1.0.0
// @description  麒麟听书爬取具体章节信息
// @author       czy
// @icon         https://www.70ts.cc/favicon.ico
// @match        https://www.70ts.cc/tingshu/*.html
// @grant        GM_xmlhttpRequest
// @grant        unsafeWindow
// @license      MIT
// @connect      none
// @require      http://code.jquery.com/jquery-1.11.0.min.js
// @downloadURL none
// ==/UserScript==

(function () {
    let newList=[];
    let storyName;

    if(parseInt(window.location.href.substring(window.location.href.indexOf("tingshu/")).replace("tingshu/","")) && parseInt(window.location.href.substring(window.location.href.indexOf("tingshu/")).replace("tingshu/",""))!=NaN){
        storyName = "tingshu"+parseInt(window.location.href.substring(window.location.href.indexOf("tingshu/")).replace("tingshu/",""));
    }else{
        storyName = "tingshu";
    }
    console.log("页面加载中")
    console.log("本地存储名："+storyName)
    if(localStorage.getItem(storyName) != null){
        newList = JSON.parse(localStorage.getItem(storyName));
    }else{
        localStorage.setItem(storyName,JSON.stringify(Array.from(new Set(newList))));
        //window.location.href = $(".jump-list .pg-next")[0].href;
    }
    function unique(arr) {
        // 创建一个Map对象实例
        const res = new Map()
        // 过滤条件：如果res中没有某个键，就设置这个键的值为1
        return arr.filter((arr) => !res.has(arr.bookEpisode) && res.set(arr.bookEpisode, 1))
    }
    window.onload=function(){
        console.log("页面加载完成")
        setTimeout(()=>{
            if(document.getElementById("play").contentWindow.document.getElementById("jp_audio_0").src !="" && document.getElementById("play").contentWindow.document.getElementById("jp_audio_0").src != undefined){
                //console.log($(".list-book-dt a").text());
                //console.log($(".content h1").text());
                //console.log(document.getElementById("play").contentWindow.document.getElementById("jp_audio_0").src);
                //获取当前页有声书播放信息
                let current = {bookName:$(".list-book-dt a").text(),bookEpisode:$(".content h1").text(),episodeUrl:document.getElementById("play").contentWindow.document.getElementById("jp_audio_0").src};
                newList.push(current)
                localStorage.setItem(storyName,JSON.stringify(Array.from(unique(newList))));
                console.log("爬取了："+JSON.parse(localStorage.getItem(storyName)).length + "集");
                if($("#nexturl")[0]){
                    setTimeout(()=>{
                        window.location=$("#nexturl")[0].href;//下一页
                    },10);
                }else{
                    alert("分析完毕,下载数据");
                    function sortData(a, b) {
                        //str.substring(str.lastIndexOf("/")).replace(str.substring(str.lastIndexOf(".")),"").replace("/","")
                        return ( (a.episodeUrl.substring(a.episodeUrl.lastIndexOf("/")).replace(a.episodeUrl.substring(a.episodeUrl.lastIndexOf(".")),"").replace("/","")) - (b.episodeUrl.substring(b.episodeUrl.lastIndexOf("/")).replace(b.episodeUrl.substring(b.episodeUrl.lastIndexOf(".")),"").replace("/","")) )
                    }
                    let myList = JSON.parse(localStorage.getItem(storyName));
                    myList.sort(sortData);
                    //将数据转为csv需要的格式
                    let csvString = [
                        ["bookName","bookEpisode","episodeUrl"],
                        ...myList.map(item => [
                            item.bookName,
                            item.bookEpisode.replace("正在播放：",""),
                            item.episodeUrl
                        ])
                    ].map(e => e.join(",")).join('\n')

                    // 导出
                    let link = document.createElement("a")
                    let exportContent = '\uFEFF'
                    let blob = new Blob([exportContent+csvString],{
                        type:'text/plain;charset=utrf-8'
                    })
                    link.id = "download-csv"
                    link.setAttribute("href", URL.createObjectURL(blob))
                    link.setAttribute('download', storyName + ".csv")
                    document.body.appendChild(link)
                    link.click()
                }
            }else{
                alert("失败"+ 'document.getElementById("play").contentWindow.document.getElementById("jp_audio_0").src'+"\n刷新该界面");
                location.reload()
            }
        },100);
    }
})();