mrchepel/backend-project-lvl1

import { cons } from '@hexlet/pairs';
import getRandomNumber from '../getRandomNumber';
import makeGame from '..';

const gameDescription = 'Answer "yes" if given number is prime. Otherwise answer "no".';

const isPrime = (n) => {
  if (n <= 1) {
    return false;
  }
  for (let i = 2; i <= n / 2; i += 1) {
    if (n % i === 0) {
      return false;
    }
  }
  return true;
};

const getQuestionAnswer = () => {
  const question = getRandomNumber(1, 100);
  const answer = isPrime(question) ? 'yes' : 'no';
  return cons(question, answer);
};

export default () => makeGame(gameDescription, getQuestionAnswer);