Merge pull request #12 from dzencot/features

Features

Makefile

@@ -3,6 +3,6 @@ install:
 run:
 	npm run babel-node -- ./bin/$(G)
 lint:
-	npm run eslint ./bin/
+	npm run eslint ./bin/ ./src/
 publish:
 	npm publish

bin/brain-even.js

@@ -1,8 +1,11 @@
 #!/usr/bin/env node
 // @flow
+/* eslint-disable no-console */
 
 import readlineSync from 'readline-sync';
+import oddGame from '../src/odd-game';
 
-console.log('Welcome to the Brain Games!\n');
+console.log('Welcome to the Brain Games!');
 const name = readlineSync.question('May I have your name? ');
-console.log(`Hello, '${name}'!`);
+console.log(`Hello, '${name}'\n`);
+oddGame(name);

src/odd-game.js

@@ -0,0 +1,27 @@
+// @flow
+/* eslint-disable no-console */
+
+import readlineSync from 'readline-sync';
+
+export default (nameUser) => {
+  const iter = (number, correctIter) => {
+    if (correctIter >= 3) {
+      console.log(`Congratulations, '${nameUser}'!`);
+      return 0;
+    }
+    console.log(`Question: '${number}'`);
+    const answer = readlineSync.question('Your answer: ');
+    const correctAnswer = number % 2 === 0 ? 'yes' : 'no';
+    if (answer === correctAnswer) {
+      console.log('Correct!');
+      const newCorrectIter = correctIter + 1;
+      const newNumber = newCorrectIter === 1 ? 6 : 15;
+      return iter(newNumber, newCorrectIter);
+    }
+    console.log(`'${answer}' is wrong answer ;(. Correct answer was '${correctAnswer}'.`);
+    console.log(`Let's try again, '${nameUser}'!`);
+    return iter(number, correctIter);
+  };
+  console.log('Answer "yes" if number odd otherwise answer "no"\n');
+  return iter(15, 0);
+};