// ==UserScript==
// @name         Invidious - Proxy Mode
// @version      0.1.7
// @author       Jesús E.
// @license      GPL-3.0
// @description  This script automatically Proxy-Mode on Invidious and its various public instances.
// @namespace    InvidiousProxy
// @homepageURL  https://libregit.org/heckyel/book/src/branch/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;';

    // 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');
            }
        }
    }
    console.log("%cUSERSCRIPT | " + GM_info.script.name + " " + GM_info.script.version + " | successfully initialized", consoleCSS);
}
proxyMode();

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