// ==UserScript==
// @name         快捷键复制 MarkDown 格式的超链接或标题
// @namespace    https://greasyfork.org/users/518374
// @version      0.2
// @description  用快捷键复制 MarkDown 格式的超链接或标题到剪贴板
// @author       InMirrors
// @note         复制 MarkDown 格式的超链：Shitf + Alt + R，修改第 53 行的代码实现自定义，键值请参见：https://keycode.info/
// @note         复制标题：Alt + R，修改第 50 行的代码实现自定义
// @match        *://*/*
// @grant        GM_registerMenuCommand
// @grant        GM_setClipboard
// @icon         https://plugins.jetbrains.com/files/18897/166369/icon/pluginIcon.png
// @license      MIT
// @downloadURL none
// ==/UserScript==

(function() {

    'use strict';

    function copyWithConfirmation(text) {
        GM_setClipboard(text);

        // Show confirmation message
        var confirmation = document.createElement("div");
        confirmation.innerHTML = "Copied";
        confirmation.style.position = "fixed";
        confirmation.style.left = "50%";
        confirmation.style.bottom = "30px";
        confirmation.style.padding = "10px";
        confirmation.style.background = "lightgreen";
        confirmation.style.opacity = 0.8;
        confirmation.style.borderRadius = "20px";
        confirmation.style.zIndex = 999;

        document.body.appendChild(confirmation);

        // Remove after 2 seconds
        setTimeout(function() {
            confirmation.remove();
        }, 2000);
    }

    GM_registerMenuCommand("复制标题及链接", () => copyWithConfirmation(`[${document.title}](${document.URL})`));

    GM_registerMenuCommand("仅复制标题", () => copyWithConfirmation(document.title));

    GM_registerMenuCommand("仅复制链接", () => copyWithConfirmation(document.URL));

    document.onkeydown = function(event) {
        if (event.altKey && event.keyCode == 82) {
            copyWithConfirmation(document.title);
        }
        if (event.shiftKey && event.altKey && event.keyCode == 82) {
            copyWithConfirmation(`[${document.title}](${document.URL})`);
        }
    }
})();