WaniKani Real Numbers By penx Fix by srfacanha

// ==UserScript==
// @name        WaniKani Real Numbers
// @namespace   penx.scripts
// @description Replaces 42+ with the real number using WaniKani API v1.0
// @include     *www.wanikani.com/*
// @version     2.9
// @grant     metadata
// @grant GM_getValue
// @grant GM_setValue
// @run-at      document-end
// @updateURL   https://userscripts.org/scripts/source/153756.meta.js
// @require     http://code.jquery.com/jquery-1.8.3.min.js
// ==/UserScript==
function main() {
  var apikey = GM_getValue('apikey');
  if (!apikey) {
    if (window.location.href.indexOf('account') != - 1) {
      retrieveAPIkey();
      apikey = GM_getValue('apikey');
    } else {
      var okcancel = confirm('WaniKani Real Numbers has no API key entered!\nPress OK to go to your settings page and retrieve your API key!');
      if (okcancel == true) {
        window.location = 'https://www.wanikani.com/account';
      }
    }
  }
  var doneReviews = GM_getValue('doneReviews', true);
  var lastUpdate = GM_getValue('lastUpdate', '0');
  var currentTime = new Date().getTime();
  if ((currentTime - lastUpdate) > 120000) {
    GM_setValue('lastUpdate', currentTime.toString());
    doneReviews = true;
  }
  if (window.location.href.indexOf('review') != - 1 || window.location.href.indexOf('lesson') != - 1) {
    GM_setValue('doneReviews', true);
  } else {
    var numberReviews = document.getElementsByClassName('reviews') [0].getElementsByTagName('span') [0];
    var numberLessons = document.getElementsByClassName('lessons') [0].getElementsByTagName('span') [0];
    if (numberReviews.innerHTML == '42+' || numberLessons.innerHTML == '42+') {
      if (apikey) {
        if (doneReviews) {
          $.getJSON('https://www.wanikani.com/api/v1/user/' + apikey + '/study-queue', function (data) {
            setTimeout(function () {
              if (data.error) {
                alert('API Error: ' + data.error.message);
              } else {
                GM_setValue('numberReviews', data.requested_information.reviews_available);
                GM_setValue('numberLessons', data.requested_information.lessons_available);
                GM_setValue('doneReviews', false);
                displayReal(numberReviews, numberLessons);
              }
            }, 0);
          });
        } else {
          displayReal(numberReviews, numberLessons);
        }
      }
    }
  }
}
window.addEventListener('load', main, false);
GM_registerMenuCommand('WaniKani Real Numbers: Manually enter API key', setAPIkey, null, null, 'R');
GM_registerMenuCommand('WaniKani Real Numbers: Reset API key', resetAPIkey, null, null, 'e');
function resetAPIkey() {
  GM_deleteValue('apikey');
  alert('WaniKani Real Numbers API key reset!');
}
function retrieveAPIkey() {
  var apikey;
  for(var i=0;i<document.getElementsByClassName('span6').length;i++){
    if(document.getElementsByClassName('span6')[i].getAttribute('placeholder')=="Key has not been generated")
      apikey = document.getElementsByClassName('span6') [i].getAttribute('value');
  }
  alert('WaniKani Real Numbers API key set to: ' + apikey);
  if (apikey) {
    GM_setValue('apikey', apikey);
    GM_setValue('doneReviews', true);
  }
}
function setAPIkey() {
  var apikey = prompt('Enter API key for WaniKani Real Numbers:');
  if (apikey) {
    GM_setValue('apikey', apikey);
    GM_setValue('doneReviews', true);
  }
}
function displayReal(numberReviews, numberLessons) {
  numberReviews.innerHTML = GM_getValue('numberReviews');
  numberLessons.innerHTML = GM_getValue('numberLessons');
}