// ==UserScript==
// @name         哔哩哔哩视频页面常驻显示AV/BV号
// @namespace    https://www.ckylin.site/
// @version      0.1
// @description  始终在哔哩哔哩视频页面标题下方显示当前视频号，默认显示AV号，右键切换为BV号，单击弹窗可复制链接
// @author       CKylinMC
// @match        https://www.bilibili.com/video*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
function bilibiliShowAV() {
    if (!'aid' in window) return false;
    var root = document.querySelector(".video-data");
    if (!root) return false;
    var span = document.querySelector("#bilibiliShowAV") || document.createElement("span");
    span.id = "bilibiliShowAV";
    span.style.marginLeft = "16px";
    span.innerText = "AV" + window.aid;
    span.onclick = function(e){prompt("当前视频地址：", "https://www.bilibili.com/video/"+e.target.innerText)};
    span.oncontextmenu = function(e){
        if (e.target.innerText == "AV" + window.aid) {
            e.target.innerText = window.bvid;
        } else {
            e.target.innerText = "AV" + window.aid;
        }
        return false;
    }
    root.appendChild(span);
    return true;
}
if (!bilibiliShowAV()) console.error("[bilibiliShowAV] 不是视频页面或方法失效。");
})();