// ==UserScript==
// @name        Youtube Hide Paused Gradient by Sapioit
// @namespace   Sapioit
// @copyright   Sapioit, 2020 - Present
// @author      sapioitgmail.com
// @license     GPL-2.0-only; http://www.gnu.org/licenses/gpl-2.0.txt
// @icon        https://youtube.com/favicon.ico
// @match       https://www.youtube.com/*
// @match       http*://*.youtube.com/*
// @match       http*://youtube.com/*
// @match       https://youtu.be/*
// @match       http*://*.youtu.be/*
// @description Removes the annoying gradients visible when pausing a video.
// @version     1.5.0.2
// @grant       GM_addStyle
// @grant       GM_registerMenuCommand
// @grant       GM_setValue
// @grant       GM_getValue
// @downloadURL none
// ==/UserScript==

function title_changed (count = 3) {
  console.log("Sapioit: Checking title change.");

  // Check if the value of the title (the first "yt-formatted-string.style-scope.ytd-watch-metadata" element) has changed
  const firstWatchMetadataElement = ( document.querySelectorAll('yt-formatted-string.style-scope.ytd-watch-metadata') )[0];

  if (firstWatchMetadataElement) {
    // Get the current value of the title
    const currentWatchMetadataValue = firstWatchMetadataElement.textContent.trim();

    // Get the consecutive unchanged count from localStorage, or set it to 0 if it's not available
    let consecutiveUnchangedCount = parseInt(localStorage.getItem('consecutiveUnchangedCount')) || 0;

    // Check if the current value is the same as the previous one stored in localStorage
    if (localStorage.getItem('currentWatchMetadataValue') === currentWatchMetadataValue) {
      // Increment the consecutiveUnchangedCount if the value is the same
      consecutiveUnchangedCount++;

      // Update the stored value and consecutiveUnchangedCount in localStorage
      localStorage.setItem('currentWatchMetadataValue', currentWatchMetadataValue);
      localStorage.setItem('consecutiveUnchangedCount', consecutiveUnchangedCount.toString());

      // Stop the function if the title value hasn't changed for the last three checks (consecutiveUnchangedCount is less than 4)
      if (consecutiveUnchangedCount < (count+1) ) {
        console.log("Sapioit: First 'yt-formatted-string.style-scope.ytd-watch-metadata' element has not changed for the last three checks. Stopping check.");
        return false; // Return that the title has not changed.
      } else {
        // Reset the consecutiveUnchangedCount if the value has changed
        consecutiveUnchangedCount = 0;

        // Update the stored value and consecutiveUnchangedCount in localStorage
        localStorage.setItem('currentWatchMetadataValue', currentWatchMetadataValue);
        localStorage.setItem('consecutiveUnchangedCount', consecutiveUnchangedCount.toString());
        return true; // Return that the title has changed.
      }
    } else {
      // Reset the consecutiveUnchangedCount if the value has changed
      consecutiveUnchangedCount = 0;

      // Update the stored value and consecutiveUnchangedCount in localStorage
      localStorage.setItem('currentWatchMetadataValue', currentWatchMetadataValue);
      localStorage.setItem('consecutiveUnchangedCount', consecutiveUnchangedCount.toString());
      return true; // Return that the title has changed.
    }
  }
  return true; // Return that the title has changed.
  // Usage example:
  if ( title_changed() ){
    return;
  }
  if ( title_changed(8) ){
    return;
  }
}

function swapButtonsSaveShare(){
  console.log('Starting the swap.');
  function swapButtons() {
    const saveButton = document.querySelector('ytd-button-renderer[button-renderer][button-next] button[aria-label="Save to playlist"]');
    const shareButton = document.querySelector('ytd-button-renderer[button-renderer][button-next] button[aria-label="Share"]');

    if (saveButton && shareButton) {
      const saveButtonParent = saveButton.parentElement;
      const shareButtonParent = shareButton.parentElement;

      saveButtonParent.insertBefore(shareButton, saveButtonParent.firstChild);
      shareButtonParent.insertBefore(saveButton, shareButtonParent.firstChild);
      saveButton.style.width = 'auto';

      // To remove the old "Save" and "Share" buttons, uncomment the lines below:
      // saveButtonParent.removeChild(saveButton);
      // shareButtonParent.removeChild(shareButton);
    }
  }

  console.log("Sapioit :: before swapItems.");
  // Run the swapButtons function initially
  swapButtons();
  console.log("Sapioit :: after swapItems.");
}

function add_hover_tooltips() {
  /*var video_titles = document.getElementsByTagName("h3").getElementsByClassName("ytd-compact-video-renderer").getElementsByTagName("span");*/
  /*var video_titles = document.querySelector("span.ytd-compact-video-renderer");*/
  //var video_titles = document.getElementsByTagName("span").getElementsByClassName("ytd-compact-video-renderer");

  /*var video_titles = document.querySelectorAll("span.ytd-compact-video-renderer");*/
  var video_titles = document.querySelectorAll("span.ytd-compact-video-renderer, #video-title");
  for(var i=0; i<video_titles.length; i++){
    console.log(video_titles[i]);
    var current_title = video_titles[i].getAttribute("title");
    video_titles[i].setAttribute("alt", current_title);
    video_titles[i].setAttribute("data-title", current_title);
    video_titles[i].setAttribute("data-tooltip", current_title);
  }
  /*
    video_titles = document.querySelectorAll("#video-title");
    for(i=0; i<video_titles.length; i++){
        console.log(video_titles[i]);
        current_title = video_titles[i].getAttribute("title");
        video_titles[i].setAttribute("alt", current_title);
        video_titles[i].setAttribute("data-title", current_title);
        video_titles[i].setAttribute("data-tooltip", current_title);
    }
    */
}






window.onloadstart = function(){setTimeout(function () {
  add_hover_tooltips();
}, 0.001*1000)}; //loads after 0.001 seconds


window.addEventListener('keydown', function(e) {
  let play_button = document.querySelector('button.ytp-play-button');
  let valid_target = e.target === document.body || e.target === document.querySelector('#player-api');
  let pressed_space = e.keyCode === 32 || e.keyCode === 'Space'; // Space
  if (play_button && valid_target && pressed_space) {
    console.log("Sapioit: Pressed pause or resume.");
    e.preventDefault();
    playButton.click();
  }
});




if (typeof document.getElementsByClassName("ytp-gradient-top")[0] != "undefined") {
  document.getElementsByClassName("ytp-gradient-top")[0].style.display = 'none';
}
if (typeof document.getElementsByClassName("ytp-gradient-top")[0] != "undefined") {
  document.getElementsByClassName("ytp-gradient-top")[0].style.opacity = '0';
}
if (typeof document.getElementsByClassName("ytp-gradient-bottom")[0] != "undefined") {
  document.getElementsByClassName("ytp-gradient-bottom")[0].style.display = 'none';
}
if (typeof document.getElementsByClassName("ytp-gradient-bottom")[0] != "undefined") {
  document.getElementsByClassName("ytp-gradient-bottom")[0].style.opacity = '0';
}

/*
document.getElementsByClassName("ytp-gradient-top")[0].style.display = 'none';
document.getElementsByClassName("ytp-gradient-top")[0].style.opacity = '0';
document.getElementsByClassName("ytp-gradient-bottom")[0].style.display = 'none';
document.getElementsByClassName("ytp-gradient-bottom")[0].style.opacity = '0';
*/



GM_addStyle('.ytp-caption-window-container { top: 2% !important; }');

GM_addStyle('.ytp-gradient-top { display: none !important; opacity: 0 !important; }');
GM_addStyle('.ytp-gradient-top { width: none !important; opacity: 0 !important; }');

GM_addStyle('button div.ytp-autonav-toggle-button-container { display: none !important;}');
GM_addStyle('[data-tooltip-target-id="ytp-autonav-toggle-button"] { display: none !important;}');
//GM_addStyle('.ytp-button[data-tooltip-target-id="ytp-autonav-toggle-button"] { display: none !important;}');
GM_addStyle('--ytd-engagement-panel-section-list-rendere { display: none !important;}');
GM_addStyle('.ytp-time-display > span { padding: 3px; background: rgba(0, 0, 0, 0.5); }');
//GM_addStyle('.ytd-thumbnail-overlay-time-status-renderen { transition-duration: 0s; }');

window.onload = function(){setTimeout(function () {
  GM_addStyle('button div.ytp-autonav-toggle-button-container { display: none !important;}');
  GM_addStyle('[data-tooltip-target-id="ytp-autonav-toggle-button"] { display: none !important;}');
  GM_addStyle('--ytd-engagement-panel-section-list-rendere { display: none !important;}');
  GM_addStyle('#video-title.ytd-compact-video-renderer { overflow: none !important;}');
  GM_addStyle('ytd-button-renderer > yt-button-shape > button[aria-label="Thanks"] { display: none !important; }');
  //GM_addStyle('ytd-button-renderer > yt-button-shape > button[aria-label="Save to playlist"] { display: inline-block !important; }');
  add_hover_tooltips();
  setTimeout(function () {
    swapButtonsSaveShare();
  }, 5*1000) //loads after 5 seconds
  //GM_addStyle('.ytd-thumbnail-overlay-time-status-renderen { transition-duration: 0s; }');
}, 5*1000)}; //loads after 5 seconds

function yourFunction(){
  if ( title_changed(8) ){
    return;
  }
  GM_addStyle('button div.ytp-autonav-toggle-button-container { display: none !important;}');
  GM_addStyle('[data-tooltip-target-id="ytp-autonav-toggle-button"] { display: none !important;}');
  GM_addStyle('--ytd-engagement-panel-section-list-rendere { display: none !important;}');
  setTimeout(yourFunction, 30*1000); //loads every 30 seconds
}
yourFunction();


GM_addStyle("span[data-tooltip]:before { z-index:301; content: attr(data-tooltip);  position: absolute;  opacity: 0;  padding: 10px;  background: black;  color: white;}    span[data-tooltip]:hover:before {  opacity: 1;} ");
GM_addStyle(".yt-simple-endpoint[title]:before { z-index:301; content: attr(title);  position: absolute;  opacity: 0;  padding: 10px;  background: black;  color: white;}    .yt-simple-endpoint[title]:hover:before {  opacity: 1 !important;} ");


// <ytd-engagement-panel-section-list-renderer class="style-scope ytd-watch-flexy" visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED">GM_addStyle(a);