// ==UserScript==
// @name         Invidious - Proxy Mode
// @version      0.1.9
// @author       Jesús E.
// @license      GPL version 3 or any later version::: https://www.gnu.org/licenses/gpl-3.0.html
// @description  This script automatically Proxy-Mode on Invidious and its various public instances.
// @namespace    InvidiousProxy
// @homepageURL  https://git.sr.ht/~heckyel/book/blob/master/scripts-greasemonkey
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:invidio[.]us)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|proxy[.]|)(?:invidious[.]snopyta[.]org)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:vid[.]wxzm[.]sx)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:invidious[.]kabi[.]tk)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:invidiou[.]sh)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:yewtu[.]be)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:invidious[.]ggc-project[.]de)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:invidious[.]enkirton[.]net)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:tube[.]poal[.]co)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:invidious[.]13ad[.]de)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @include      /(?:(?:http(s|):\/\/)(www[.]|)(?:invidious[.]drycat[.]fr)\/(watch\?v=|embed\/))([^= &?(\/)\r\n]{8,11})(\S+)?$/
// @grant        none
// ==/UserScript==

function proxyMode() {
  const consoleCSS = 'background: #000; color: #00FF00; padding: 0px 7px; border: 1px solid #00FF00; line-height: 16px;';
  const name = GM_info.script.name;
  const version = GM_info.script.version;
  const log = (...args) => console.log('%cUSERSCRIPT | %s %s | %s', consoleCSS, name, version, ...args);

  // Set variables
  let i, j, url;
  let vids_tags = ["video", "source"];
  let vids_elements, proxyURL;

  // Regex
  let params=new RegExp(/itag=(18|22|43)$/);

  for (i = 0; i < vids_tags.length; i++) {
    vids_elements = document.getElementsByTagName(vids_tags[i]);
    for (j = 0; j < vids_elements.length; j++) {
      url = vids_elements.item(j).src;
      if(params.test(url)) {
        proxyURL = url + "&local=true";
        vids_elements.item(j).src = proxyURL;
      } else {
        console.log('Proxy was already applied or Live URL');
      }
    }
  }
  log('successfully initialized');
}
proxyMode();

// Fix Abrowser
window.addEventListener('load', () => {
  proxyMode();
});