// ==UserScript==
// @name         【伟哥自用】98堂摘要方便复制助手
// @namespace    http://tampermonkey.net/
// @version      0.11
// @description  try to take over the world!
// @author       You
// @match        https://sehuatang.org/forum.php?mod=viewthread&tid=*
// @match        https://sehuatang.org/thread*
// @grant        unsafeWindow
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        GM_setClipboard
// ==/UserScript==

(function() {
    'use strict';
    // View Page Suurce之后发现网页的meta标签里的description里正好有要找的信息
    // https://stackoverflow.com/questions/7524585/how-do-i-get-the-information-from-a-meta-tag-with-javascript
    // title按description的方式找会出错，可以document.getElementById("thread_subject").textContent;来找
    let metaInfo = {
        title:"title",
        description:"description",
        content:"content",
        text:"text",
        abstract:"abstract"
    };
    class Sehuatang{
        fetchTitle(){
            /*在创建新文件夹时，特殊字符/不能作为文件夹名，换成|吧&=*/
            metaInfo.title = document.getElementById("thread_subject").textContent.replaceAll("/","|").replaceAll("[自整理]","").replaceAll("【自整理】","");
            return metaInfo.title;
        }// title按description的方式找会出错
        fetchDescription(){
            metaInfo.description = document.querySelector('meta[name="description"]').content.replaceAll("【","\n【");
            return metaInfo.description;
        }
        getText(){
            metaInfo.content = document.querySelector(".t_f").textContent.replaceAll("【","\n【");
            //当正文有很多时，description就不全了，需要获取真正的正文
            let href =document.querySelector(".xg1>a").href
            metaInfo.text = metaInfo.title+"\n"+href+"\n"+metaInfo.content;
            /* 多个换行符换成只留一个
               https://stackoverflow.com/questions/6686433/replace-multiple-n-with-1-in-javascript#:~:text=string%20%3D%20string.,than%20just%20the%20first%20one.
             */
            metaInfo.text = metaInfo.text.replace(/\n+/g, '\n');
            return metaInfo.text;
        }
        getAbstract(){//没有乱七八糟的图片信息
            let href =document.querySelector(".xg1>a").href
            metaInfo.abstract = metaInfo.title+"\n"+href+"\n"+metaInfo.description;
            /* 多个换行符换成只留一个
               https://stackoverflow.com/questions/6686433/replace-multiple-n-with-1-in-javascript#:~:text=string%20%3D%20string.,than%20just%20the%20first%20one.
             */
            metaInfo.abstract = metaInfo.abstract.replace(/\n+/g, '\n');
            return metaInfo.abstract;
        }
    }
    let sehua98tang = new Sehuatang();
    let menuTitle = GM_registerMenuCommand ("【标题】:"+sehua98tang.fetchTitle(), function(){//"点我复制"
        GM_setClipboard(metaInfo.title);
    });
    let menuDescription = GM_registerMenuCommand ("【描述】:"+sehua98tang.fetchDescription(), function(){//"点我复制"
        // https://stackoverflow.com/questions/1144783/how-to-replace-all-occurrences-of-a-string-in-javascript
        // replace只换一次，要全换掉要replaceAll函数
        GM_setClipboard(metaInfo.description);
    });
    let menuText = GM_registerMenuCommand("【文本】:"+sehua98tang.getText(),function(){
        GM_setClipboard(sehua98tang.getText());
    });
    let menuAbstract = GM_registerMenuCommand("【摘要】:"+sehua98tang.getAbstract(),function(){
        GM_setClipboard(sehua98tang.getAbstract());
    });

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