// ==UserScript==
// @name         Quizlet Show Hidden Flashcards
// @namespace    QuizletHack
// @version      0.0.11
// @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() {
  // @require      https://greasyfork.org/scripts/21927-arrive-js/code/arrivejs.js
  'use strict';
  var TimesExecuted = 0; //Creates a new variable
  var DisableReading = true; //If true the Reading function will be disabled
  var RemoveNeedlessThings = true; //If true the Needless Things will be removed

  window.onscroll = function() { //Creates a new function to run when the page is scrolled
    TimesExecuted += 1; //Sum the amount of times that the page is scrolled
    if (TimesExecuted === 15) { //On the first time that the page is scrolled
      //Show all hidden elements and disable the reading function.
      document.querySelectorAll("div.SetPageTerm.has-definitionText").forEach(function(FlashCards) { //For every FlashCard
        FlashCards.className = "SetPageTerm has-definitionText is-showing"; //Change the FlashCard element class name so that the card is shown
        if (DisableReading === true) //If the DisableReading variable is true
        { //Starts the if condition
          FlashCards.innerHTML = FlashCards.innerHTML; //Remove the audio of the FlashCard element
        } //Finishes the if condition
      }); //Finishes the for condition
      document.querySelector("div.SetPageTerm.has-definitionText").insertAdjacentHTML('beforebegin', '<h1>(Showing ' + document.querySelectorAll("div.SetPageTerm.has-definitionText.is-showing").length + ' Terms)</h1>'); //Show the number of shown terms

      if (RemoveNeedlessThings === true) //If the RemoveNeedlessThings variable is true
      { //Starts the if condition
        document.querySelector("footer").remove(); //Remove the needlessly big footer
        document.querySelector("div.SetPage-content").remove(); //Remove the tags related to the quiz set
        document.querySelector("div.SetPage-setDetailsInfoWrapper").remove(); //Remove the user name that created the quiz
        document.querySelector("#TopNavigationReactTarget").remove(); //Remove the top blue navigation menu
        document.head.insertAdjacentHTML('beforeend', '<style>.wugyavo , .SetPage-setLinksWrapper , .SetPage-setIntroWrapper , .SetPageEmbeddedAd-wrapper , .SetPageTerm-actions , .SetPageTerms-embeddedDesktopAdz , .SetPageStudyModesBanner-body {display: none;}</style>'); //Hide everything inside the "THIS SET IS OFTEN IN FOLDERS WITH..." box, and hide the "Sign up and see the remaining cards. It’s free!" box, and hide the big Flashcards in the top, and hide the Embedded Ad-wrapper div, and hide the star and voice btns

        if (document.querySelector(".SetPageTermsStickyBanner.SetPageTermsStickyBanner--hasAdz") !== null) //If the Sign Up Box and the white overlay element exists
        { //Starts the if condition
          document.querySelector(".SetPageTermsStickyBanner.SetPageTermsStickyBanner--hasAdz").remove(); //Remove the stick footer banner
          document.querySelector("div.SetPageWall.SetPageWall--normal").remove(); //Remove the Sign Up Box and the white overlay above this box
        } //Finishes the if condition

        if (document.querySelector("div.SetPageStickyHeader.hgmlhdt") !== null) //If the top menu element exists
        { //Starts the if condition
          document.querySelector("div.SetPageStickyHeader.hgmlhdt").remove(); //Remove the top menu
        } //Finishes the if condition

        if (document.querySelector("#UniversalUpsellTarget > div") !== null) //If the "save time with an expert" message element exists
        { //Starts the if condition
          document.querySelector("#UniversalUpsellTarget > div").remove(); //Remove the "save time with an expert" message
        } //Finishes the if condition

      } //Finishes the if condition
    } // //Finishes the if condition
  }; //Finishes the onscroll event listener
})();