finished step 6 and fixed few remarks in previous step with random numbers

Author: Michael57e

README.md

@@ -6,3 +6,5 @@
 ## Brain Even
 ![asciicast](https://asciinema.org/a/xnGjhZ5kQXaHREkfxL1gQThiR.svg)](https://asciinema.org/a/xnGjhZ5kQXaHREkfxL1gQThiR)
 
+## Brain Calc
+[![asciicast](https://asciinema.org/a/P09nsWrqb7BTwLfbE5nrY6JfE.svg)](https://asciinema.org/a/P09nsWrqb7BTwLfbE5nrY6JfE)

bin/brain-calc.js

@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+import startCalcGame from '../src/games/calc.js';
+
+startCalcGame();

demo2.cast

@@ -0,0 +1,85 @@
+{"version": 2, "width": 105, "height": 25, "timestamp": 1757332125, "env": {"SHELL": "/bin/bash", "TERM": "xterm-256color"}}
+[0.226043, "o", "\u001b[?2004h\u001b]0;michael@michael-Nitro-ANV15-51: ~/qa-auto-engineer-javascript-project-44\u0007\u001b[01;32mmichael@michael-Nitro-ANV15-51\u001b[00m:\u001b[01;34m~/qa-auto-engineer-javascript-project-44\u001b[00m$ "]
+[2.43439, "o", "b"]
+[2.755552, "o", "r"]
+[2.914417, "o", "a"]
+[3.391604, "o", "i"]
+[3.684208, "o", "n"]
+[4.143805, "o", "-"]
+[4.938502, "o", "c"]
+[5.138153, "o", "a"]
+[5.460498, "o", "l"]
+[5.698993, "o", "c"]
+[6.458467, "o", "\r\n\u001b[?2004l\r"]
+[6.496138, "o", "Welcome to the Brain Games!\r\nWhat is the result of the expression?\r\n"]
+[6.496855, "o", "May I have your name? "]
+[8.290201, "o", "M"]
+[8.600621, "o", "i"]
+[8.814313, "o", "c"]
+[9.177299, "o", "h"]
+[9.328124, "o", "a"]
+[9.625211, "o", "e"]
+[9.843617, "o", "l"]
+[10.54338, "o", "\r\n"]
+[10.544709, "o", "Hello, Michael!\r\n"]
+[10.544999, "o", "Question: 10 * 21\r\n"]
+[10.545208, "o", "Your answer: "]
+[13.271282, "o", "2"]
+[13.989367, "o", "1"]
+[14.180893, "o", "0"]
+[15.172505, "o", "\r\n"]
+[15.173442, "o", "Correct!\r\nQuestion: 2 + 31\r\n"]
+[15.173816, "o", "Your answer: "]
+[17.901611, "o", "3"]
+[18.07963, "o", "3"]
+[18.748345, "o", "\r\n"]
+[18.748769, "o", "Correct!\r\n"]
+[18.748993, "o", "Question: 41 * 32\r\n"]
+[18.749278, "o", "Your answer: "]
+[26.872296, "o", "3"]
+[27.090147, "o", "5"]
+[31.080929, "o", "2"]
+[31.960276, "o", "\r\n"]
+[31.960894, "o", "'352' is wrong answer ;(. Correct answer was '1312'.\r\n"]
+[31.961109, "o", "Let's try again, Michael!\r\n"]
+[31.971297, "o", "\u001b[?2004h\u001b]0;michael@michael-Nitro-ANV15-51: ~/qa-auto-engineer-javascript-project-44\u0007\u001b[01;32mmichael@michael-Nitro-ANV15-51\u001b[00m:\u001b[01;34m~/qa-auto-engineer-javascript-project-44\u001b[00m$ "]
+[36.192544, "o", "b"]
+[36.581646, "o", "r"]
+[36.748044, "o", "a"]
+[37.158846, "o", "i"]
+[37.576642, "o", "n"]
+[38.272429, "o", "-"]
+[38.496748, "o", "c"]
+[38.701022, "o", "a"]
+[39.002791, "o", "l"]
+[39.35568, "o", "c"]
+[40.670724, "o", "\r\n\u001b[?2004l\r"]
+[40.707109, "o", "Welcome to the Brain Games!\r\n"]
+[40.707158, "o", "What is the result of the expression?\r\n"]
+[40.708107, "o", "May I have your name? "]
+[43.785325, "o", "S"]
+[44.146158, "o", "a"]
+[44.368186, "o", "m"]
+[45.708862, "o", "\r\n"]
+[45.71, "o", "Hello, Sam!\r\n"]
+[45.710115, "o", "Question: 48 * 1\r\n"]
+[45.710297, "o", "Your answer: "]
+[48.419031, "o", "4"]
+[48.509142, "o", "8"]
+[49.521608, "o", "\r\n"]
+[49.522237, "o", "Correct!\r\n"]
+[49.522484, "o", "Question: 42 + 26\r\n"]
+[49.522632, "o", "Your answer: "]
+[53.987993, "o", "6"]
+[54.327211, "o", "8"]
+[55.245829, "o", "\r\n"]
+[55.246407, "o", "Correct!\r\nQuestion: 8 - 41\r\n"]
+[55.246646, "o", "Your answer: "]
+[60.808222, "o", "-"]
+[61.803613, "o", "3"]
+[66.095799, "o", "3"]
+[66.885972, "o", "\r\n"]
+[66.886555, "o", "Correct!\r\n"]
+[66.88682, "o", "Congratulations, Sam!\r\n"]
+[66.897096, "o", "\u001b[?2004h\u001b]0;michael@michael-Nitro-ANV15-51: ~/qa-auto-engineer-javascript-project-44\u0007\u001b[01;32mmichael@michael-Nitro-ANV15-51\u001b[00m:\u001b[01;34m~/qa-auto-engineer-javascript-project-44\u001b[00m$ "]
+[71.275796, "o", "\u001b[?2004l\r\r\nexit\r\n"]

package.json

@@ -19,7 +19,8 @@
   },
   "bin": {
     "brain-games": "bin/brain-games.js",
-    "brain-even": "bin/brain-even.js"
+    "brain-even": "bin/brain-even.js",
+    "brain-calc": "bin/brain-calc.js"
   },
   "dependencies": {
     "readline-sync": "^1.4.10"

src/games/calc.js

@@ -0,0 +1,28 @@
+import runEngine from '../index.js'
+import getRandomNumber from '../utils.js'
+
+const rule = 'What is the result of the expression?'
+
+const getCalculation = () => {
+  const a = getRandomNumber(1, 50)
+  const b = getRandomNumber(1, 50)
+  const operators = ['+', '-', '*']
+  const op = operators[getRandomNumber(0, operators.length - 1)]
+
+  let correctAnswer
+  switch (op) {
+    case '+':
+      correctAnswer = a + b
+      break
+    case '-':
+      correctAnswer = a - b
+      break
+    case '*':
+      correctAnswer = a * b
+      break
+  }
+
+  return [`${a} ${op} ${b}`, String(correctAnswer)]
+}
+
+export default () => runEngine(rule, getCalculation)

src/games/even.js

@@ -1,5 +1,5 @@
 import runEngine from '../index.js'
-import getrandomNumber from '../utils.js'
+import getRandomNumber from '../utils.js'
 
 const rule = 'Answer "yes" if the number is even, otherwise answer "no".'
 
@@ -8,7 +8,7 @@ const isEven = (num) => {
 }
 
 const getQuestionAndAnswer = () => {
-  const question = getrandomNumber(1, 100)
+  const question = getRandomNumber(1, 100)
   const correctAnswer = isEven(question) ? 'yes' : 'no'
   return [question, correctAnswer]
 }