// ==UserScript==
// @name        ximalaya-download
// @namespace   https://greasyfork.org/zh-CN/users/135090
// @grant       none
// @version     1.3.8
// @author      zwb83925462
// @license     BSD
// @description 喜马拉雅音乐或视频下载
// @run-at      document-end
// @require     https://registry.npmmirror.com/ajax-hook/3.0.3/files/dist/ajaxhook.min.js
// @require     https://registry.npmmirror.com/crypto-js/4.2.0/files/crypto-js.js
// @require     https://registry.npmmirror.com/jquery/3.7.1/files/dist/jquery.min.js
// @match       https://www.ximalaya.com/sound/*
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    var playurl;
    var title=document.querySelector("h1.title")?.textContent || document.querySelector("h1.title-wrapper")?.textContent;
    if (window?.location?.pathname?.includes("sound")){
        var trackid=window?.location?.pathname?.split("/")[2];
        var item={
            id:trackid
        };
        setTimeout(function(){
            var link = document.createElement("a");
            var container = document.body;
            link.id="mp4";
            link.download=title.concat(".mp4");
            link.style="position:fixed;top:8%;left:8%";
            link.style.display = "block";
            link.style.color = "#230de5";
            link.textContent=title.concat("-MP4");
            getAllMusicURL2(item).then(result=>{
                playurl=result?.toString();
                return playurl;
            }).then(data=>{console.log(link.href=data)});
            container.append(link);
        },2000);
    }
    async function getAllMusicURL2(item) {
        function decrypt(t) {
            return CryptoJS.AES.decrypt({
                ciphertext: CryptoJS.enc.Base64url.parse(t)
            }, CryptoJS.enc.Hex.parse('aaad3e4fd540b0f79dca95606e72bf93'), {
                mode: CryptoJS.mode.ECB,
                padding: CryptoJS.pad.Pkcs7
            }).toString(CryptoJS.enc.Utf8);
        }
        var res = null;
        var ares = null;
        const timestamp = Date.parse(new Date());
        var url = `https://www.ximalaya.com/mobile-playpage/track/v3/baseInfo/${timestamp}?device=web&trackId=${item.id}&forVideo=true&needMp4=true`;
        var aurl =`https://www.ximalaya.com/mobile-playpage/track/v3/baseInfo/${timestamp}?device=web&trackId=${item.id}`;
        $.ajax({
            type: 'get',
            url: aurl,
            async: false,
            dataType: "json",
            success: function(resp) {
                try {
                    ares = decrypt(resp.trackInfo.playUrlList[0].url);
                } catch (e) {
                    console.log("无效");
                }
            }
        });
        $.ajax({
            type: 'get',
            url: url,
            async: false,
            dataType: "json",
            success: function(resp) {
                try {
                    res = decrypt(resp.trackInfo.playUrlList[0].url);
                } catch (e) {
                    console.log("解密错误，无视频");
                    res=ares;
                }
            }
        });
        return res;
    }
})();