first project/eighth step/ added Progression Game, added bin file

Author: Eksi-tech

Makefile

@@ -13,6 +13,9 @@ brain-calc:
 brain-gcd:
 	bin/brain-gcd
 
+brain-progression:
+	bin/brain-progression
+
 validate:
 	composer validate
 

README.md

@@ -12,4 +12,5 @@
 [![Vulnerabilities](https://sonarcloud.io/api/project_badges/measure?project=Eksi-tech_php-project-45&metric=vulnerabilities)](https://sonarcloud.io/summary/new_code?id=Eksi-tech_php-project-45)
 Even - https://asciinema.org/a/PZIB0AMPHDWAigwTO2UAGq9PI
 Calc - https://asciinema.org/a/5gDhJ6Taqf9GAgZvAtUY4W16l
-Gcd - https://asciinema.org/a/bBiNGAePf6ZXq4p0odlB5zFD6
+Gcd - https://asciinema.org/a/bBiNGAePf6ZXq4p0odlB5zFD6
+Progression - https://asciinema.org/a/HawCHRR9MDuvTWbaOEE4d76Zh

bin-progression.cast

@@ -0,0 +1,114 @@
+{"version": 2, "width": 120, "height": 30, "timestamp": 1762710219, "env": {"SHELL": "/bin/bash", "TERM": "xterm-256color"}}
+[0.018165, "o", "\u001b[?2004h\u001b]0;wasex@DESKTOP-G9HIGVK: ~/php-project-45\u0007\u001b[01;32mwasex@DESKTOP-G9HIGVK\u001b[00m:\u001b[01;34m~/php-project-45\u001b[00m$ "]
+[3.107066, "o", "m"]
+[3.213024, "o", "a"]
+[3.335169, "o", "k"]
+[3.473736, "o", "e"]
+[4.076611, "o", " "]
+[4.450214, "o", "b"]
+[4.580126, "o", "r"]
+[4.693668, "o", "a"]
+[4.856081, "o", "i"]
+[5.075287, "o", "n"]
+[5.658099, "o", "-"]
+[6.329368, "o", "p"]
+[6.458456, "o", "r"]
+[6.587621, "o", "o"]
+[6.950861, "o", "g"]
+[7.023527, "o", "r"]
+[7.10422, "o", "e"]
+[7.329768, "o", "s"]
+[7.498748, "o", "s"]
+[7.60345, "o", "i"]
+[7.756579, "o", "o"]
+[7.973903, "o", "n"]
+[8.327801, "o", "\r\n\u001b[?2004l\r"]
+[8.329719, "o", "bin/brain-progression\r\n"]
+[8.352806, "o", "\r\n"]
+[8.354832, "o", "Welcome to the Brain Games!\r\n"]
+[8.355008, "o", "May I have your name?: "]
+[9.003107, "o", "V"]
+[9.620574, "o", "i"]
+[9.796902, "o", "k"]
+[9.893348, "o", "t"]
+[10.037494, "o", "o"]
+[10.14187, "o", "r"]
+[10.35804, "o", "\r\n"]
+[10.358405, "o", "Hello, Viktor!\r\n"]
+[10.35855, "o", "What number is missing in the progression?\r\n"]
+[10.358667, "o", "Question: 20 24 28 .. 36 40\r\n"]
+[10.358904, "o", "Your answer: "]
+[20.947088, "o", "3"]
+[21.00278, "o", "2"]
+[21.534544, "o", "\r\n"]
+[21.534822, "o", "Correct!\r\n"]
+[21.535009, "o", "Question: .. 15 20 25 30 35 40 45 50 55\r\nYour answer: "]
+[28.750083, "o", "1"]
+[28.955991, "o", "0"]
+[29.280911, "o", "\r\n"]
+[29.281185, "o", "Correct!\r\nQuestion: 17 19 21 23 25 .. 29 31 33\r\nYour answer: "]
+[34.773009, "o", "2"]
+[34.903775, "o", "7"]
+[35.238921, "o", "\r\n"]
+[35.239196, "o", "Correct!\r\nCongratulations, Viktor!\r\n"]
+[35.244058, "o", "\u001b[?2004h\u001b]0;wasex@DESKTOP-G9HIGVK: ~/php-project-45\u0007\u001b[01;32mwasex@DESKTOP-G9HIGVK\u001b[00m:\u001b[01;34m~/php-project-45\u001b[00m$ "]
+[36.719806, "o", "make brain-progression"]
+[37.117653, "o", "\r\n\u001b[?2004l\r"]
+[37.119532, "o", "bin/brain-progression\r\n"]
+[37.142071, "o", "\r\n"]
+[37.143816, "o", "Welcome to the Brain Games!\r\n"]
+[37.14402, "o", "May I have your name?: "]
+[38.613601, "o", "V"]
+[38.896114, "o", "i"]
+[39.057621, "o", "k"]
+[39.146209, "o", "t"]
+[39.299228, "o", "o"]
+[39.436098, "o", "r"]
+[39.685705, "o", "\r\n"]
+[39.686088, "o", "Hello, Viktor!\r\n"]
+[39.686327, "o", "What number is missing in the progression?\r\n"]
+[39.686419, "o", "Question: 2 3 .. 5 6 7\r\n"]
+[39.686659, "o", "Your answer: "]
+[44.368185, "o", "4"]
+[44.695533, "o", "\r\n"]
+[44.695916, "o", "Correct!\r\n"]
+[44.696164, "o", "Question: .. 3 5 7 9 11 13 15\r\nYour answer: "]
+[48.967448, "o", "4"]
+[49.333479, "o", "\r\n"]
+[49.333725, "o", "'4' is wrong answer ;(. Correct answer was '1'\r\n"]
+[49.333879, "o", "Let's try again, Viktor!\r\n"]
+[49.339032, "o", "\u001b[?2004h\u001b]0;wasex@DESKTOP-G9HIGVK: ~/php-project-45\u0007\u001b[01;32mwasex@DESKTOP-G9HIGVK\u001b[00m:\u001b[01;34m~/php-project-45\u001b[00m$ "]
+[54.917608, "o", "make brain-progression"]
+[55.131611, "o", "\r\n\u001b[?2004l\r"]
+[55.133598, "o", "bin/brain-progression\r\n"]
+[55.15519, "o", "\r\n"]
+[55.157086, "o", "Welcome to the Brain Games!\r\n"]
+[55.157181, "o", "May I have your name?: "]
+[56.496198, "o", "V"]
+[56.789499, "o", "i"]
+[56.979893, "o", "k"]
+[57.075143, "o", "t"]
+[57.249625, "o", "o"]
+[57.439836, "o", "r"]
+[57.669851, "o", "\r\n"]
+[57.670195, "o", "Hello, Viktor!\r\n"]
+[57.670428, "o", "What number is missing in the progression?\r\n"]
+[57.670545, "o", "Question: 17 20 23 26 29 32 35 .. 41 44\r\n"]
+[57.670698, "o", "Your answer: "]
+[66.472675, "o", "3"]
+[66.628611, "o", "8"]
+[66.850782, "o", "\r\n"]
+[66.851068, "o", "Correct!\r\n"]
+[66.851244, "o", "Question: 10 13 16 .. 22 25\r\nYour answer: "]
+[72.132916, "o", "1"]
+[72.382514, "o", "9"]
+[72.62399, "o", "\r\n"]
+[72.624188, "o", "Correct!\r\n"]
+[72.624359, "o", "Question: 5 6 7 8 9 .. 11\r\nYour answer: "]
+[77.634316, "o", "1"]
+[77.754097, "o", "0"]
+[77.929846, "o", "\r\n"]
+[77.930128, "o", "Correct!\r\n"]
+[77.930324, "o", "Congratulations, Viktor!\r\n"]
+[77.935459, "o", "\u001b[?2004h\u001b]0;wasex@DESKTOP-G9HIGVK: ~/php-project-45\u0007\u001b[01;32mwasex@DESKTOP-G9HIGVK\u001b[00m:\u001b[01;34m~/php-project-45\u001b[00m$ "]
+[80.505591, "o", "\u001b[?2004l\r\r\nexit\r\n"]

bin/brain-progression

@@ -0,0 +1,9 @@
+#!/usr/bin/env php
+
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/../src/Engine.php';
+require_once __DIR__ . '/../src/Games/Progression.php';
+
+runGame('Progression');

composer.json

@@ -16,7 +16,8 @@
     "bin/brain-games",
     "bin/brain-even",
     "bin/brain-calc",
-    "bin/brain-gcd"
+    "bin/brain-gcd",
+    "bin/brain-progression"
   ],
 
   "require-dev": {

src/Games/Progression.php

@@ -0,0 +1,48 @@
+<?php
+
+function getRules(): string
+{
+    return 'What number is missing in the progression?';
+}
+
+function generateProgression(): string
+{
+    $firstRandInt = random_int(1, 20);
+    $numberOfSteps = random_int(1, 5);
+    $progressionLen = random_int(5, 10);
+    $randomMissNum = random_int(0, $progressionLen - 1);
+
+    $progression = [];
+
+    for ($i = 0; $i < $progressionLen; $i++) {
+        $progression[] = $firstRandInt + $i * $numberOfSteps;
+    }
+
+    $progression[$randomMissNum] = "..";
+    return implode(' ', $progression);
+}
+
+function generateQuestion(): string
+{
+    return generateProgression();
+}
+
+function getCorrectAnswer($question): string
+{
+    $elements = explode(" ", $question);
+    $hiddenIndex = array_search("..", $elements);
+    $intArray = array_map('intval', $elements);
+    $len = count($elements);
+
+    if ($hiddenIndex != 0 && $hiddenIndex != $len  - 1) {
+        $step = ($intArray[$hiddenIndex + 1] -  $intArray[$hiddenIndex - 1]) / 2;
+        $missedValue =  $intArray[$hiddenIndex - 1] + $step;
+    } elseif ($hiddenIndex == 0) {
+        $step = $elements[2] -  $intArray[1];
+        $missedValue =  $intArray[1] - $step;
+    } else {
+        $step =  $intArray[2] -  $intArray[1];
+        $missedValue =  $intArray[$len - 2] + $step;
+    }
+    return (string) $missedValue;
+}