const getUserChoice = userInput => {
  userInput = userInput.toLowerCase();
  if (userInput === 'rock' || userInput === 'paper' || userInput === 'scissors') {
    return userInput;
  }
    else {
      console.log('error, not a valid choice. Please choose between "rock, paper, or scissors"');
  }
};

const getComputerChoice = computerInput => {
  Math.floor(Math.random() * 3);
  if (computerInput === 0) {
    return 'rock';
  }
  if (computerInput === 1) {
    return 'paper';
  }
  if (computerInput === 2) {
    return 'scissors';
  }
};

const determineWinner = (userChoice, computerChoice) => {
  if (userChoice === computerChoice) {
  return 'The game is a tie!';
}
  if (userChoice === 'scissors') {
  if (computerChoice === 'paper') {
    return 'You have won!.';
  }
    else {
      return 'The computer has won.';
    }
  }
  if (userChoice === 'paper') {
  if (computerChoice === 'rock') {
    return 'You have won!.';
  }
    else {
      return 'The computer has won.';
    }
  }
  if (userChoice === 'rock') {
  if (computerChoice === 'scissors') {
    return 'You have won!.';
  }
    else {
      return 'The computer has won.';
    }
  }
  if (userChoice === 'bomb') {
  if (computerChoice === 'rock') {
      return 'Cheater....';
    }
  }
  if (userChoice === 'bomb') {
  if (computerChoice === 'scissors') {
      return 'Cheater....';
    }
  }
  if (userChoice === 'bomb') {
  if (computerChoice === 'paper') {
      return 'Cheater....';
    }
  }
};

const playGame = () => {
  const userChoice = prompt();
  const computerChoice = prompt();
  console.log('The user chose: ' + userChoice);
  console.log('The computer chose: ' + computerChoice);

console.log(determineWinner(userChoice, computerChoice));
};

playGame();