httpS, handy kukarek by hotkey

// ==UserScript==
// @name         httpS, handy kukarek by hotkey
// @namespace    FM veshtschaniye
// @version      0.0.5.3
// @match        http://anon.fm
// @match        http://alcxemuct.accountant
// @match        https://anon.fm
// @match        https://anon.fm/info.html
// @match        https://anon.fm/menu.html
// @match        https://anon.fm/mobile/a.html
// @match        https://alcxemuct.accountant
// @match        https://alcxemuct.accountant/info.html
// @match        https://alcxemuct.accountant/menu.html
// @match        https://alcxemuct.accountant/mobile/a.html
// @grant        none
// ==/UserScript==

// 1. Redirects from HTTP to HTTPS version
// 2. Adds hotkey 'K' to open Kukarekalka window
// 3. Pastes selected text to Kukarekalka window

// HTTPS redirection
if (location.protocol[4] !== 's') window.location = location.href.replace('p','ps');

// Kukarekalka opener
let kukarekWindow = null;

addEventListener('keyup', e => {
    if (e.ctrlKey || e.shiftKey || e.altKey) return;
    const node = document.activeElement.nodeName;
    if (node === 'TEXTAREA' || node === 'INPUT') return;

    if (e.code === 'KeyK') {
        if (kukarekWindow && !kukarekWindow.closed) kukarekWindow.focus();
        else kukarekWindow = window.open(`https://${location.host}/feedback/`,'win1feedback','top=-1,left=250,width=560,height=235,toolbar=no');

        if (getSelection().toString() !== '') appendText(getSelection().toString().trim().replace(/\n+/g, '\n').replace(/(^|\n)/g, '$1> ')+'\n');
    }
});

// Selected text paster
function appendText(text) {
    let t = kukarekWindow.document.getElementById('te');
    if (!t) return setTimeout(()=>appendText(text), 100);

    if (t.value.endsWith(text)) return; // Skip if text already pasted

    if (t.value !== '' && !t.value.endsWith('\n')) t.value += '\n'; // Add new line to existing text
    t.value += text; // Append selection
    t.selectionStart = -1; // Set cursor to last position
};