// ==UserScript==
// @name         Quizlet Show Hidden Flashcards
// @namespace    QuizletHack
// @version      17
// @description  Show the hidden flashcards in Quizlet without logging in.
// @author       hacker09
// @match        *://quizlet.com/*
// @icon         https://assets.quizlet.com/a/j/dist/i/favicon.6e263725c926227.ico
// @run-at       document-end
// @grant        none
// @downloadURL none
// ==/UserScript==

(async function() {
  'use strict';
  var TimesExecuted = 0; //Creates a new variable
  const DisableReading = true; //If true the Reading function will be disabled
  const RemoveNeedlessThings = true; //If true the Needless Things will be removed

  async function hack() //Creates a new hack function
  { //Starts the new hack function
    //Show all hidden elements and disable the reading function
    document.querySelectorAll("div.SetPageTerm").forEach(function(FlashCards, i) { //For each FlashCard
      FlashCards.className = "SetPageTerm has-definitionText is-showing"; //Change the FlashCard element class name so that the card is shown
      document.querySelector(".b1sa2ccx") !== null ? document.querySelectorAll(".b1sa2ccx").forEach(BlurFlashCards => BlurFlashCards.className = BlurFlashCards.className.replace('b1sa2ccx', '')) : ''; //Finishes the foreach loop
      FlashCards.insertAdjacentHTML("afterbegin", `<span id='span' style="position: absolute;left: -22px;">${i + 1}</span>`); //Add a number for each item

      if (DisableReading === true) //If the DisableReading const is true
      { //Starts the if condition
        FlashCards.innerHTML = FlashCards.innerHTML; //Remove the audio of the FlashCard element
      } //Finishes the if condition
    }); //Finishes the foreach loop
  } //Finishes the hack function

  window.onscroll = async function() { //Creates a new function to run when the page is scrolled
    TimesExecuted += 1; //Sum the number of times that the page is scrolled
    if (TimesExecuted === 1) { //On the first time that the page is scrolled
      await hack(); //Calls the hack function

      setTimeout(function() { //Starts the settimeout function
        if (document.querySelector("#Executed") === null) //If the element wasn't added in the page yet
        { //Starts the if condition
          document.querySelector("div.SetPageTerm").insertAdjacentHTML('beforebegin', '<h1 style="cursor: pointer; margin-block: revert;" id="Executed">Showing ' + document.querySelectorAll("div.SetPageTerm.has-definitionText.is-showing").length + ' Terms (Re-Run)</h1>'); //Show the number of shown terms
          document.querySelector("h1#Executed").onclick = async function() { //Starts the onclick function
            document.querySelector("h1#Executed").remove(); //Removes the old number
            document.querySelectorAll("#span").forEach(span => span.remove()); //Remove current span elements
            await hack(); // Calls the hack function
            document.querySelector("div.SetPageTerm").insertAdjacentHTML('beforebegin', '<h1 style="cursor: pointer; margin-block: revert;" id="Executed">Showing ' + document.querySelectorAll("div.SetPageTerm.has-definitionText.is-showing").length + ' Terms (Re-Run)</h1>'); //Show the new number of shown terms
          }; //Finishes the onclick function
          scrollTo(0, 0); //Scroll to top
        } //Finishes the if condition
      }, 1000); //Finishes the settimeout function

      if (RemoveNeedlessThings === true) //If the RemoveNeedlessThings const is true
      { //Starts the if condition
        document.head.insertAdjacentHTML('beforeend', '<style>.SetPageStickyHeader.hgmlhdt, .SetPageTermsStickyBanner.SetPageTermsStickyBanner--hasAdz, .SetPageWall.SetPageWall--normal, .TopNavigationWrapper, .SetPage-setDetailsInfoWrapper, footer, .SetPage-setIntro, .wugyavo, .SetPage-setLinksWrapper, .SetPage-setIntroWrapper, .SetPageEmbeddedAd-wrapper, .SetPageTerms-embeddedDesktopAdz, .SetPageStudyModesBanner-body, .ReactModalPortal, .bb8jmnf, #UniversalUpsellTarget > div, .hideBelow--m {display: none !important;}</style>'); //Hide the top menu, the stick footer banner, the Sign Up Box and the white overlay above this box, the top navigation menu, the user name that created the quiz, the needlessly big footer, the big flashcards box, the 2 stick footer banner, the related questions below all the cards, title of the cards set, big flash cards box and study/play columns below the big flash cars box, ads in between card rows, more ads, want to learn this set quickly? question box below all card rows, "save time with an expert" message, "turn messy notes into" " message
      } //Finishes the if condition
    } //Finishes the if condition
  }; //Finishes the onscroll event listener
})();