src/games/calc.js
import { startGame } from '..';
import { cons } from 'hexlet-pairs';
import getRandomInt from '../utils';
const description = 'What is the result of the expression?';
const minNumber = 0;
const maxNumber = 50;
const getRandomOperation = () => {
switch (getRandomInt(1, 4)) {
case 1:
return '+';
case 2:
return '-';
default:
return '*';
}
};
const getCorrectAnswer = (first, second, sign) => {
if (sign === '+') {
return String(first + second);
}
if (sign === '-') {
return String(first - second);
}
return String(first * second);
};
const getDataQuestion = () => {
const first = getRandomInt(minNumber, maxNumber);
const second = getRandomInt(minNumber, maxNumber);
const sign = getRandomOperation();
const question = `${first} ${sign} ${second}`;
const correctAnswer = getCorrectAnswer(first, second, sign);
return cons(question, correctAnswer);
};
export default () => startGame(description, getDataQuestion);