// ==UserScript==
// @name         YoutubePostsCopy
// @namespace    http://tampermonkey.net/
// @version      2025-06-28
// @description  copy yutube posts
// @author       2402398917
// @match        https://www.youtube.com/*/posts
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @require https://scriptcat.org/lib/2847/3.0.1/ElementGetter%20%E6%B0%B4%E6%9E%9C%E7%8E%89%E7%B1%B3%20%E9%AD%94%E6%94%B9%E7%89%88.js
// ==/UserScript==

(function() {
    'use strict';

    elmGetter.each('ytd-backstage-post-thread-renderer', (el) => {
        let text = el.querySelector('#content-text').innerText;

        let buttonEl = document.createElement('button');

        buttonEl.innerText = "copy";

        buttonEl.onclick = async () => {
            const result = await cornCopyText(text);

            const showText = "success";

            if (!result) {
                showText = "fail";
            }

            buttonEl.innerText = showText;

            setTimeout(() => {
                buttonEl.innerText = "copy";
            }, 1000);
        }

        let toolbarEl = el.querySelector('#toolbar');

        toolbarEl.appendChild(buttonEl);
    });
})();

async function cornCopyText(text) {
  try {
    await navigator.clipboard.writeText(text);

    return true;
  } catch (err) {
    return false;
  }
}