// ==UserScript==
// @name         YouTube Web Tweaks
// @version      2.5.1
// @description  It speeds up YouTube by 50% by modified configs, redirect shorts, etc...
// @author       Magma_Craft
// @license MIT
// @match        https://www.youtube.com/*
// @namespace    https://greasyfork.org/en/users/933798
// @icon         https://www.youtube.com/favicon.ico
// @unwrap
// @run-at document-start
// @grant        none
// @downloadURL none
// ==/UserScript==

// Modifiying yt.config flags to optimize loading times and disables animations
(function() {
    window['yt'] = window['yt'] || {};
    yt['config_'] = yt.config_ || {};
    yt.config_['EXPERIMENT_FLAGS'] = yt.config_.EXPERIMENT_FLAGS || {};

    var iv = setInterval(function() {
        yt.config_.IS_TABLET = true;
        yt.config_.DISABLE_YT_IMG_DELAY_LOADING = true;
        yt.config_.EXPERIMENT_FLAGS.polymer_verifiy_app_state = false;
        yt.config_.EXPERIMENT_FLAGS.warm_load_nav_start_web = false;
        yt.config_.EXPERIMENT_FLAGS.kevlar_player_response_swf_config_wrapper_killswitch = false;
        yt.config_.EXPERIMENT_FLAGS.desktop_player_touch_gestures = false;
        yt.config_.EXPERIMENT_FLAGS.web_animated_like = false;
        yt.config_.EXPERIMENT_FLAGS.web_animated_like_lazy_load = false;
        yt.config_.EXPERIMENT_FLAGS.render_unicode_emojis_as_small_images = true;
        yt.config_.EXPERIMENT_FLAGS.kevlar_refresh_on_theme_change = false;
        yt.config_.EXPERIMENT_FLAGS.kevlar_watch_cinematics = false
        yt.config_.EXPERIMENT_FLAGS.kevlar_watch_comments_panel_button = true;
        yt.config_.EXPERIMENT_FLAGS.kevlar_watch_hide_comments_while_panel_open = true;
        yt.config_.EXPERIMENT_FLAGS.kevlar_watch_comments_ep_disable_theater = false;
    }, 1);

    var to = setTimeout(function() {
        clearInterval(iv);
    }, 1000)
})();

/* Redirect shorts to watch page */
var oldHref = document.location.href;
if (window.location.href.indexOf('youtube.com/shorts') > -1) {
    window.location.replace(window.location.toString().replace('/shorts/', '/watch?v='));
}
window.onload = function() {
    var bodyList = document.querySelector("body")
    var observer = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutation) {
            if (oldHref != document.location.href) {
                oldHref = document.location.href;
                console.log('location changed!');
                if (window.location.href.indexOf('youtube.com/shorts') > -1) {
                    window.location.replace(window.location.toString().replace('/shorts/', '/watch?v='));
                }
            }
        });
    });
    var config = {
        childList: true,
        subtree: true
    };
    observer.observe(bodyList, config);
};

// CSS adjustments and other tweaks to apply
(function() {
ApplyCSS();

function ApplyCSS() {
var styles = document.createElement("style");
styles.innerHTML=`
/* Remove Learning, Fashion and Podcasts */
ytd-guide-entry-renderer > a[href*="/channel/UCrpQ4p1Ql_hG8rKXIKM1MOQ"] {
display: none !important;
}
ytd-guide-entry-renderer > a[href*="/channel/UCtFRv9O2AHqOZjjynzrv-xg"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Podcasts"] {
display: none !important;
}

/* Remove everything from "More from YouTube" tab (excluding Premium) */
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Creator Studio"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="YouTube Music"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="YouTube Kids"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="YouTube TV"] {
display: none !important;
}`
document.head.appendChild(styles);
}
})();

var interval = setInterval(function() {
    window.wrappedJSObject._lact = Date.now();
}, 300000);