neolite/project-lvl1-s208

import { getRandom, makeGame } from '..';

const plus = a => b => a + b;
const minus = a => b => a - b;
const multiply = a => b => a * b;

const calcExpression = (op, a, b) => {
  switch (op) {
    case '+':
      return plus(a)(b);
    case '-':
      return minus(a)(b);
    case '*':
      return multiply(a)(b);
    default:
      return false;
  }
};

const calcGame = () => {
  const ops = ['+', '-', '*'];
  const op = ops[getRandom(0, 2)];
  const secondNumber = getRandom(1, 10);
  const firstNumber = getRandom(1, 10);
  const answer = calcExpression(op, firstNumber, secondNumber);
  return {
    question: `${firstNumber} ${op} ${secondNumber}`,
    answer: String(answer),
  };
};

const gameWrapper = () => {
  makeGame(calcGame, 'What is the result of the expression?');
};

export default gameWrapper;