// const promiseOf3 = Promise.resolve(3);

// promiseOf3
//   .then((data) => {
//     console.log('Got Data From Then', data);
//   });

// const promiseError = Promise.reject('Booooooo');
// promiseError
//   .catch((error) => {
//     console.log('Caught an error', error);
//   });

// const words = ['Squad', 'is', 'the', 'new', 'crew'];
// console.log(words);
// const wordLengths = words.map(word => word.length);

// console.log(wordLengths);

// const wordPromise = Promise.resolve('Promise');

// const lengthPromise = wordPromise
//   .then(word => word.length);

// lengthPromise
//   .then(length => console.log('Length', length));

// const studentPromise = Promise.resolve({ name: 'Sanjana' });

// const greetingPromise = studentPromise
//   .then(student => Promise.resolve(`Hi, ${student.name}`));

// greetingPromise
//   .then((whatsInTheBox) => {
//     console.log('What\'s in the box!!!!?!?', whatsInTheBox, typeof whatsInTheBox);
//   });

function rando() {
  let string = '';
  const letters = 'abcdefghijklmnopqrstuvwxyz';
  const alphabet = `${letters + letters.toUpperCase()}0123456789`;
  for (let i = 0; i < 6; i += 1) {
    string += alphabet[Math.floor(Math.random() * alphabet.length)];
  }
  return string;
}

const users = [];
const events = [];
const kittens = [];

function createUser(name) {
  const id = rando();
  const newUser = { name, id };
  users.push(newUser);
  console.log('Users', users);
  return Promise.resolve(newUser);
}

function createEvent(title, userId) {
  const id = rando();
  const newEvent = {
    title, userId, id,
  };
  events.push(newEvent);
  console.log('Events', events);
  return Promise.resolve(newEvent);
}
function createKitten(name, userId) {
  const id = rando();
  const newKitten = {
    name, userId, id,
  };
  kittens.push(newKitten);
  console.log('Kittens', kittens);
  return Promise.resolve(newKitten);
}

// Promise {user, event}
function createUserAndEvent(name, title, kittenName) {
  console.log('Create User And Event', name, title);

  const userPromise = createUser(name);

  const userWithEventPromise = userPromise
    .then((user) => {
      const eventPromise = createEvent(title, user.id);
      const kittenPromise = createKitten(kittenName, user.id);
      const combinedPromise = Promise.all([eventPromise, kittenPromise]);
      return combinedPromise
        .then((results) => {
          const event = results[0];
          const kitten = results[1];
          return { user, event, kitten };
        });

      // return eventPromise
      //   .then(event => ({ event, user }));
    });

  return userWithEventPromise;
}

const userAndEventPromise = createUserAndEvent('Joel', 'Promise Party', 'Senor Snuggles');
userAndEventPromise.then((obj) => {
  console.log('\nObj', obj);
  console.log('\nUser', obj.user);
  console.log('Event', obj.event);
  console.log('Kitten', obj.kitten);
});

// const delay = (time = 2000) => new Promise(resolve => setTimeout(resolve, time));

// const nikolaiPromise = delay(2000).then(() => 'Nikolai');
// const yohanPromise = delay(3000).then(() => 'Yohan');

// const combinedPromise = Promise.all([nikolaiPromise, yohanPromise]);
// combinedPromise.then((dudes) => {
//   console.log('These Dudes', dudes);
// });

const shoePromises = [/* promises that each resolve a shoe */];
const shoesPromise = Promise.all(shoePromises); // A promise that resolves with an array of shoes