const getUserChoice = (userInput) => {
  userInput = userInput.toLowerCase();

  if(userInput === 'rock' || userInput === 'paper' || userInput === 'scissors' || userInput === 'bomb'){
    return userInput;
  } else {
    console.log('You didn\'t do anything');
  }

};

function getComputerChoice(){
  const randomNumber = Math.floor(Math.random() * 3);

  switch(randomNumber) {
    case 0:
      return 'rock';
      break;
    case 1:
      return 'paper';
      break;
    case 2:
      return 'scissors';
      break;
  }
}

function determineWinner(userChoice, computerChoice){

  if(userChoice === computerChoice){
    return 'tie';
  }

  if(userChoice === 'rock'){
    if (computerChoice === 'paper'){
      return 'Computer won';
    } else {
      return 'User won';
    }
  }

 if(userChoice === 'paper') {
   if (computerChoice === 'scissors'){
     return 'User won';
   } else if (computerChoice === 'rock'){
     return 'Computer won';
   }
 }

   if(userChoice === 'scissors') {
   if (computerChoice === 'rock'){
     return 'User won';
   } else if (computerChoice === 'paper'){
     return 'Computer won';
   }
 }

  if(userChoice === 'bomb'){
    return 'U DESTROYED BRO';
  }

 }

const playGame = () => {
  const userChoice = getUserChoice('bomb');
  const computerChoice = getComputerChoice();
  console.log('You threw: ' + userChoice);
  console.log('The computer threw:' + computerChoice);
  console.log(determineWinner(userChoice, computerChoice));
};

playGame();