// ==UserScript==
// @name         ahedu文件下载
// @namespace    aheduDownloader.taozhiyu.gitee.io
// @version      0.2
// @description  ahedu文件下载，右击文件名称下载
// @author       涛之雨
// @homepageURL  https://greasyfork.org/zh-CN/scripts/440303
// @match        http://www.ahedu.cn/EduResource/index.php?*
// @match        http://www.ahedu.cn/search/index.php?*
// @icon         http://www.ahedu.cn/EduResource/addons/theme/stv_resource/_static/images/favicon.ico
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==

/* global layer */
/* jshint esversion: 6 */
(function() {
    'use strict';
    //教师资源页
    console.group('%cahedu文件下载脚本 %c  by 涛之雨  ','color:white;background:green;font-size:30px;padding:10px','font-size:30px;padding:10px;background:orange;');
    console.log('彩蛋(算是吧)');
    console.groupEnd('cahedu文件下载脚本   by 涛之雨  ');
    if(location.pathname.startsWith("/EduResource")){
        if(!location.href.match(/rid=([\da-z]+)/))return;
        document.querySelectorAll('.zuopin_resource_a').forEach(a=>{
            a.oncontextmenu=x=>{
                fetch("http://www.ahedu.cn/EduResource/index.php?app=acy&mod=ResList&act=downloadRes&acy_name=youzhike2020&upload_file_type=", {
                    "headers": {
                        "cache-control": "no-cache",
                        "content-type": "application/x-www-form-urlencoded; charset=UTF-8",
                        "pragma": "no-cache",
                    },
                    "referrer": "http://www.ahedu.cn/EduResource/index.php?app=acy&mod=ResList&act=detail&rid=508573&acy_name=youzhike2020",
                    "body": "rid="+ x.target.getAttribute("data-value"),
                    "method": "POST"
                }).then(a=>a.json()).then(a=>{
                    if(a.code!==200){
                        throw '';
                    }
                    layer.msg("加载成功，准备下载", {icon: 1});
                    window.location.href=a.url;
                }).catch(a=>layer.msg("网络请求出错...", {icon: 5}));
                return false;
            };
        });
        layer.msg("脚本加载成功<br>右键点击[文件名]下载文件", {icon: 1});
    }else if(location.pathname.startsWith("/search")){
        var rid=location.href.match(/resId=([\da-z]+)/);
        if(!rid||rid.length<2){
            return;
        }
        var links=document.body.parentElement.innerHTML.match(new RegExp(`[^'"]+${rid[1]}[^'"]+`,'g'));
        if(!links){
            links=document.body.parentElement.innerHTML.match(/fileurl\s*=\s*['"][^'"]+/g);
            if(!links){
                layer.msg("获取链接出错...", {icon: 5});
                return;
            }
            links=links[0].match(/[^'"]+$/g);
        }
        links=[...new Set(links)].filter(a=>!a.match(/html|qrCode/));
        if(links.length!==1){
            layer.msg("获取到未预期的链接数量...<br>请F12打开控制台查看链接<br>理论上每个都一样", {icon: 3});
            console.clear();
            console.group('%cahedu文件下载脚本 %c  by 涛之雨  ','color:white;background:green;font-size:30px;padding:10px','font-size:30px;padding:10px;background:orange;');
            links.map(a=>console.log(a));
            console.groupEnd('cahedu文件下载脚本   by 涛之雨  ');
            return false;
        }
        document.querySelectorAll('.down').forEach(x=>{
            x.oncontextmenu=x=>{
                layer.msg("加载成功，准备下载", {icon: 1});
                window.location.href=links;
                return false;
            };
        });
        layer.msg("脚本加载成功<br>右键点击[下载]按钮<br>即可下载文件", {icon: 1});
    }
})();