console.clear();
window.AB = undefined;
(() => {

window.AB = window.AB || {
  push(test){
    this.tests.push(test);
  },
  tests: [],
  isEnabled(){
    return false;
  },
  getEnabledVariantIds(){
    return [];
  },
};

const { AB } = window;

AB.push('largeButtons');
AB.push('sortByPrice');
AB.push('showRecentlyViewed');

setTimeout(() => {
  const { AB } = window;

  if(!AB){return;}

  const ABLib = {
    isEnabled(test){
      const foundTest = findTestByName(this.tests, test);
      if(! foundTest){ return false; }
      return this.getEnabledVariantIds().includes(foundTest.id);
    },
    getEnabledVariantIds(){
      return this.enabledVariants;
    },
    tests: [],
    enabledVariants: [],
    push(){},
  };

  ABLib.tests = getVariantsWithIds(AB.tests);

  getEnabledVariants(ABLib.tests).then((response) => {
    ABLib.enabledVariants = response;
    window.AB = ABLib;
  });

  function findTestByName(tests, name){
    return tests.find(item => item.test === name);
  }

  function getVariantsWithIds(tests){
    const letters = ['A', 'B', 'C', 'D', 'E'];
    return tests.map((item, index) => ({
      test: item,
      id: letters[index]
    }));
  };

  function getEnabledVariants(tests){
    return Promise.resolve([tests[0].id, tests[1].id]);
  }
},100);
})()