add gamesWrapper & modify brain-calculator

Author: daria-z

src/cli.js

@@ -1,6 +1,6 @@
 import userGreeting from './games/userGreeting.js';
 import evenChecking from './games/evenChecking.js';
-import calculator from './games/calculator.js';
+import calculator from './games/brain-calculator.js';
 import gcd from './games/gcd.js';
 
 export { userGreeting, evenChecking, calculator, gcd };

src/games/brain-calculator.js

@@ -0,0 +1,7 @@
+import gamesWrapper from "./utils/gamesWrapper.js";
+import { rule, innerlogic } from "./gamesLogic/calculator.js";
+
+export default () => {
+  gamesWrapper(rule, innerlogic);
+};
+

src/games/gamesLogic/calculator.js

@@ -0,0 +1,16 @@
+import generateRandomNumber from "../utils/generateRandomNumber.js";
+import generateOperator from "../utils/generateOperator.js";
+
+export const rule = 'What is the result of the expression?';
+
+export const innerlogic = () => {
+  const number1 = generateRandomNumber(1, 10);
+  const number2 = generateRandomNumber(1, 10);
+  const symbol = generateOperator();
+  const question = `${number1} ${symbol} ${number2}`;
+  const answer = eval(question);
+
+  return [question, answer];
+}
+
+

src/games/utils/gamesWrapper.js

@@ -1,6 +1,6 @@
 import readlineSync from 'readline-sync';
 
-export default (rules, gameLogic) => {
+export default (rules, logic) => {
   console.log('Welcome to the Brain Games!');
 
   const name = readlineSync.question('May I have your name? ');
@@ -10,8 +10,15 @@ export default (rules, gameLogic) => {
   console.log(rules);
 
   for (let i = 1; i <= 3; i += 1) {
+    const [question, correctAnswer] = logic();
+    console.log(`Question: ${question}`);
+    const userAnswer = readlineSync.question('Your answer: ');
 
-    gameLogic(name);
+    if (userAnswer !== correctAnswer.toString()) {
+      console.log(`'${userAnswer}' is wrong answer ;( .Correct answer was '${correctAnswer}'.`);
+      console.log(`Let's try again, ${name}!`);
+      return false;
+    }
 
     console.log('Correct!');
   }