From e6155a05c18d3dcb0b7e488a623a17987c6e8061 Mon Sep 17 00:00:00 2001
From: Vladyslav Shylin <indiggoo228@gmail.com>
Date: Wed, 23 Oct 2024 14:52:45 +0300
Subject: [PATCH] add task solution

---
 .github/workflows/test.yml-template  | 23 ++++++++++++++++++
 package-lock.json                    |  9 +++----
 package.json                         |  2 +-
 src/app.js                           | 35 ++++++++++++++++++++++++++++
 src/modules/checkIsValidUserInput.js | 18 ++++++++++++++
 src/modules/generateRandomNumber.js  | 14 ++++++++++-
 src/modules/getBullsAndCows.js       | 20 ++++++++++++++++
 7 files changed, 115 insertions(+), 6 deletions(-)
 create mode 100644 .github/workflows/test.yml-template

diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template
new file mode 100644
index 00000000..bb13dfc4
--- /dev/null
+++ b/.github/workflows/test.yml-template
@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test
diff --git a/package-lock.json b/package-lock.json
index 185b2268..631641b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "license": "GPL-3.0",
       "devDependencies": {
         "@mate-academy/eslint-config": "latest",
-        "@mate-academy/scripts": "^1.8.6",
+        "@mate-academy/scripts": "^1.9.12",
         "eslint": "^8.57.0",
         "eslint-plugin-jest": "^28.6.0",
         "eslint-plugin-node": "^11.1.0",
@@ -1467,10 +1467,11 @@
       }
     },
     "node_modules/@mate-academy/scripts": {
-      "version": "1.8.6",
-      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-1.8.6.tgz",
-      "integrity": "sha512-b4om/whj4G9emyi84ORE3FRZzCRwRIesr8tJHXa8EvJdOaAPDpzcJ8A0sFfMsWH9NUOVmOwkBtOXDu5eZZ00Ig==",
+      "version": "1.9.12",
+      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-1.9.12.tgz",
+      "integrity": "sha512-/OcmxMa34lYLFlGx7Ig926W1U1qjrnXbjFJ2TzUcDaLmED+A5se652NcWwGOidXRuMAOYLPU2jNYBEkKyXrFJA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@octokit/rest": "^17.11.2",
         "@types/get-port": "^4.2.0",
diff --git a/package.json b/package.json
index 216da526..5847534c 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^1.9.12",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/src/app.js b/src/app.js
index e89a2d97..127f2c10 100644
--- a/src/app.js
+++ b/src/app.js
@@ -1,3 +1,38 @@
 'use strict';
 
 // Write your code here
+const readline = require('readline');
+const { generateRandomNumber } = require('./generateRandomNumber');
+const { checkIsValidUserInput } = require('./checkIsValidUserInput');
+const { getBullsAndCows } = require('./getBullsAndCows');
+
+const terminal = readline.createInterface({
+  input: process.stdin,
+  output: process.stdout,
+});
+
+function playGame() {
+  const secretNumber = generateRandomNumber().toString();
+
+  function askGuess() {
+    terminal.question('Enter your number: ', (userInput) => {
+      if (!checkIsValidUserInput(userInput)) {
+        return askGuess();
+      }
+
+      const { bulls } = getBullsAndCows(secretNumber, userInput);
+
+      if (bulls === 4) {
+        terminal.close();
+      } else {
+        askGuess();
+      }
+    });
+  }
+
+  askGuess();
+}
+
+module.exports = {
+  playGame,
+};
diff --git a/src/modules/checkIsValidUserInput.js b/src/modules/checkIsValidUserInput.js
index 40979664..189df5bc 100644
--- a/src/modules/checkIsValidUserInput.js
+++ b/src/modules/checkIsValidUserInput.js
@@ -10,6 +10,24 @@
  */
 function checkIsValidUserInput(userInput) {
   /* Write your code here */
+
+  if (userInput.length !== 4) {
+    return false;
+  }
+
+  const numbers = userInput.split('');
+
+  if (!numbers.every((num) => /^\d$/.test(num))) {
+    return false;
+  }
+
+  if (userInput[0] === '0') {
+    return false;
+  }
+
+  const uniqueNumber = new Set(numbers);
+
+  return uniqueNumber.size === 4;
 }
 
 module.exports = {
diff --git a/src/modules/generateRandomNumber.js b/src/modules/generateRandomNumber.js
index 14ad1e2b..1edd55c2 100644
--- a/src/modules/generateRandomNumber.js
+++ b/src/modules/generateRandomNumber.js
@@ -7,7 +7,19 @@
  * @return {number} A random 4-digit number
  */
 function generateRandomNumber() {
-  /* Write your code here */
+  const numbers = [];
+
+  numbers.push(Math.floor(Math.random() * 9) + 1);
+
+  while (numbers.length < 4) {
+    const randomNumber = Math.floor(Math.random() * 10);
+
+    if (!numbers.includes(randomNumber)) {
+      numbers.push(randomNumber);
+    }
+  }
+
+  return Number(numbers.join(''));
 }
 
 module.exports = {
diff --git a/src/modules/getBullsAndCows.js b/src/modules/getBullsAndCows.js
index 3f0b39a6..5852cf58 100644
--- a/src/modules/getBullsAndCows.js
+++ b/src/modules/getBullsAndCows.js
@@ -14,6 +14,26 @@
  */
 function getBullsAndCows(userInput, numberToGuess) {
   /* Write your code here */
+  const userInputStr = userInput.toString();
+  const numberToGuessStr = numberToGuess.toString();
+
+  let bulls = 0;
+  let cows = 0;
+
+  for (let i = 0; i < 4; i++) {
+    if (userInputStr[i] === numberToGuessStr[i]) {
+      bulls++;
+    }
+
+    if (
+      userInputStr[i] !== numberToGuessStr[i] &&
+      numberToGuessStr.includes(userInputStr[i])
+    ) {
+      cows++;
+    }
+  }
+
+  return { bulls, cows };
 }
 
 module.exports = {