// ==UserScript==
// @name         YouTube Web Tweaks
// @version      4.0.0
// @description  This script optimizes YouTube's performance by modified configs, shorts redirect and much more!
// @author       Magma_Craft
// @license MIT
// @match        *://www.youtube.com/*
// @namespace    https://greasyfork.org/en/users/933798
// @icon         https://www.youtube.com/favicon.ico
// @unwrap
// @run-at       document-end
// @unwrap
// @grant        none
// @downloadURL none
// ==/UserScript==

// Enable strict mode to catch common coding mistakes
"use strict";

// Define the flags to assign to the EXPERIMENT_FLAGS object
const flagsToAssign = {
  IS_TABLET: true,
  DISABLE_YT_IMG_DELAY_LOADING: true,
  polymer_verifiy_app_state: false,
  desktop_delay_player_resizing: false,
  web_animated_actions: false,
  web_animated_like: false,
  web_animated_like_lazy_load: false,
  render_unicode_emojis_as_small_images: true,
  kevlar_refresh_on_theme_change: false,
  kevlar_watch_cinematics: false
};

const updateFlags = () => {
  // Check if the EXPERIMENT_FLAGS object exists in the window.yt.config_ property chain
  const expFlags = window?.yt?.config_?.EXPERIMENT_FLAGS;

  // If EXPERIMENT_FLAGS is not found, exit the function
  if (!expFlags) return;

  // Assign the defined flags to the EXPERIMENT_FLAGS object
  Object.assign(expFlags, flagsToAssign);
};

// Create a MutationObserver that calls the updateFlags function when changes occur in the document's subtree
const mutationObserver = new MutationObserver(updateFlags);
mutationObserver.observe(document, { subtree: true, childList: true });

// Other adjustments to be tweaked (Re-adding Explore tab, redirecting shorts to watch, wtc...)
function waitForElm(selector) {
    return new Promise(resolve => {
        if (document.querySelector(selector)) {
            return resolve(document.querySelector(selector));
        }

        const observer = new MutationObserver(mutations => {
            if (document.querySelector(selector)) {
                resolve(document.querySelector(selector));
                observer.disconnect();
            }
        });

        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
    });
}

    function restoreTrending() {

        var trendingData = {
            "navigationEndpoint": {
                "clickTrackingParams": "CBwQtSwYASITCNqYh-qO_fACFcoRrQYdP44D9Q==",
                "commandMetadata": {
                    "webCommandMetadata": {
                        "url": "/feed/explore",
                        "webPageType": "WEB_PAGE_TYPE_BROWSE",
                        "rootVe": 6827,
                        "apiUrl": "/youtubei/v1/browse"
                    }
                },
                "browseEndpoint": {
                    "browseId": "FEtrending"
                }
            },
            "icon": {
                "iconType": "EXPLORE"
            },
            "trackingParams": "CBwQtSwYASITCNqYh-qO_fACFcoRrQYdP44D9Q==",
            "formattedTitle": {
                "simpleText": "Explore"
            },
            "accessibility": {
                "accessibilityData": {
                    "label": "Explore"
                }
            },
            "isPrimary": true
        };

        var guidetemplate = `<ytd-guide-entry-renderer class="style-scope ytd-guide-section-renderer" is-primary="" line-end-style="none"><!--css-build:shady--><a id="endpoint" class="yt-simple-endpoint style-scope ytd-guide-entry-renderer" tabindex="-1" role="tablist"><tp-yt-paper-item role="tab" class="style-scope ytd-guide-entry-renderer" tabindex="0" aria-disabled="false"><!--css-build:shady--><yt-icon class="guide-icon style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><yt-img-shadow height="24" width="24" class="style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-img-shadow><yt-formatted-string class="title style-scope ytd-guide-entry-renderer"><!--css-build:shady--></yt-formatted-string><span class="guide-entry-count style-scope ytd-guide-entry-renderer"></span><yt-icon class="guide-entry-badge style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><div id="newness-dot" class="style-scope ytd-guide-entry-renderer"></div></tp-yt-paper-item></a><yt-interaction class="style-scope ytd-guide-entry-renderer"><!--css-build:shady--><div class="stroke style-scope yt-interaction"></div><div class="fill style-scope yt-interaction"></div></yt-interaction></ytd-guide-entry-renderer>`;
        document.querySelector(`#items > ytd-guide-entry-renderer:nth-child(2)`).data = trendingData;

        var miniguidetemplate = `<ytd-mini-guide-entry-renderer class="style-scope ytd-mini-guide-section-renderer" is-primary="" line-end-style="none"><!--css-build:shady--><a id="endpoint" class="yt-simple-endpoint style-scope ytd-guide-entry-renderer" tabindex="-1" role="tablist"><tp-yt-paper-item role="tab" class="style-scope ytd-guide-entry-renderer" tabindex="0" aria-disabled="false"><!--css-build:shady--><yt-icon class="guide-icon style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><yt-img-shadow height="24" width="24" class="style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-img-shadow><yt-formatted-string class="title style-scope ytd-guide-entry-renderer"><!--css-build:shady--></yt-formatted-string><span class="guide-entry-count style-scope ytd-guide-entry-renderer"></span><yt-icon class="guide-entry-badge style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><div id="newness-dot" class="style-scope ytd-guide-entry-renderer"></div></tp-yt-paper-item></a><yt-interaction class="style-scope ytd-guide-entry-renderer"><!--css-build:shady--><div class="stroke style-scope yt-interaction"></div><div class="fill style-scope yt-interaction"></div></yt-interaction></ytd-guide-entry-renderer>`;
        document.querySelector(`#items > ytd-mini-guide-entry-renderer:nth-child(2)`).data = trendingData;

    }


waitForElm("#items.ytd-guide-section-renderer").then((elm) => {
    restoreTrending();
});

waitForElm("#items.ytd-mini-guide-section-renderer").then((elm) => {
    restoreTrending();
});


var styles = document.createElement("style");
styles.innerHTML=`
/* Remove Shorts, Trending, Podcasts and Shopping buttons to make the sidebar less almost prior to late 2022 */
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Shorts"],
a.yt-simple-endpoint.style-scope.ytd-mini-guide-entry-renderer[title="Shorts"] {
display: none !important;
}

#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Trending"] {
display: none !important;
}

#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Podcasts"] {
display: none !important;
}

ytd-guide-entry-renderer > a[href*="/channel/UCkYQyvc_i9hXEo4xic9Hh2g"] {
display: none !important;
}

/* Remove filter categories on search results and playlists to make the UI less usable on low-entry machines */
ytd-item-section-renderer.style-scope.ytd-section-list-renderer[page-subtype="playlist"] > #header.ytd-item-section-renderer > ytd-feed-filter-chip-bar-renderer {
display: none !important;
}

div#chip-bar.style-scope.ytd-search-header-renderer > yt-chip-cloud-renderer.style-scope.ytd-search-header-renderer > div#container.style-scope.yt-chip-cloud-renderer {
display: none !important;
}`;
document.head.appendChild(styles);

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);
};

Object.defineProperties(document, { /*'hidden': {value: false},*/ 'webkitHidden': {value: false}, 'visibilityState': {value: 'visible'}, 'webkitVisibilityState': {value: 'visible'} });

setInterval(function(){
    document.dispatchEvent( new KeyboardEvent( 'keyup', { bubbles: true, cancelable: true, keyCode: 143, which: 143 } ) );
}, 60000);