Simple puzzle

PacticeSolution/PacticeSolution.sln

@@ -149,7 +149,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BlurText", "BlurText\BlurTe
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TelnetCommunicator", "TelnetCommunicator\TelnetCommunicator.csproj", "{06C7726F-CD7F-409A-97ED-343FFCD13BAA}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CancellationTokenTest", "CancellationTokenTest\CancellationTokenTest.csproj", "{BB6710B9-7E6B-4251-ACCA-7640A701CD57}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CancellationTokenTest", "CancellationTokenTest\CancellationTokenTest.csproj", "{BB6710B9-7E6B-4251-ACCA-7640A701CD57}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SimplePuzzle", "SimplePuzzle\SimplePuzzle.csproj", "{7D506F5F-9D17-4343-A39C-F78D130F5BDE}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -453,6 +455,10 @@ Global
 		{BB6710B9-7E6B-4251-ACCA-7640A701CD57}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{BB6710B9-7E6B-4251-ACCA-7640A701CD57}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{BB6710B9-7E6B-4251-ACCA-7640A701CD57}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7D506F5F-9D17-4343-A39C-F78D130F5BDE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7D506F5F-9D17-4343-A39C-F78D130F5BDE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7D506F5F-9D17-4343-A39C-F78D130F5BDE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7D506F5F-9D17-4343-A39C-F78D130F5BDE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

PacticeSolution/SimplePuzzle/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="SimplePuzzle.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:SimplePuzzle"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

PacticeSolution/SimplePuzzle/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SimplePuzzle
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

PacticeSolution/SimplePuzzle/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

PacticeSolution/SimplePuzzle/MainWindow.xaml

@@ -0,0 +1,21 @@
+<Window x:Class="SimplePuzzle.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:SimplePuzzle"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="300" Width="300">
+    <Grid x:Name="PuzzleGrid">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition/>
+            <ColumnDefinition/>
+            <ColumnDefinition/>
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition/>
+            <RowDefinition/>
+            <RowDefinition/>
+        </Grid.RowDefinitions>
+    </Grid>
+</Window>

PacticeSolution/SimplePuzzle/MainWindow.xaml.cs

@@ -0,0 +1,167 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace SimplePuzzle
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private Button[,] _puzzleButtons;
+        private Random _random = new Random();
+
+        public MainWindow()
+        {
+            InitializeComponent();
+            InitPuzzle();
+        }
+
+        private void InitPuzzle()
+        {
+            _puzzleButtons = new Button[3, 3];
+            int counter = 1;
+            for (int row = 0; row < 3; row++)
+            {
+                for (int col = 0; col < 3; col++)
+                {
+                    Button button = new Button
+                    {
+                        Content = counter == 9 ? "" : counter.ToString(),
+                        Width = 50,
+                        Height = 50
+                    };
+                    button.Click += PuzzleButton_Click;
+
+                    _puzzleButtons[row, col] = button;
+                    Grid.SetRow(button, row);
+                    Grid.SetColumn(button, col);
+                    PuzzleGrid.Children.Add(button);
+
+                    counter++;
+                }
+            }
+
+            ShufflePuzzle();
+        }
+
+        private void ShufflePuzzle()
+        {
+            int n = 3 * 3;
+            while (n > 1)
+            {
+                n--;
+                int k = _random.Next(n + 1);
+                int row1 = n / 3;
+                int col1 = n % 3;
+                int row2 = k / 3;
+                int col2 = k % 3;
+
+                Button temp = _puzzleButtons[row1, col1];
+                _puzzleButtons[row1, col1] = _puzzleButtons[row2, col2];
+                _puzzleButtons[row2, col2] = temp;
+
+                Grid.SetRow(_puzzleButtons[row1, col1], row1);
+                Grid.SetColumn(_puzzleButtons[row1, col1], col1);
+                Grid.SetRow(_puzzleButtons[row2, col2], row2);
+                Grid.SetColumn(_puzzleButtons[row2, col2], col2);
+            }
+        }
+
+        private void PuzzleButton_Click(object sender, RoutedEventArgs e)
+        {
+            Button clickedButton = sender as Button;
+            if (clickedButton == null)
+                return;
+
+            int row = Grid.GetRow(clickedButton);
+            int col = Grid.GetColumn(clickedButton);
+
+            if (!CheckMoveValidation(row, col))
+                return;
+
+            Button emptyButton = FindEmptyButton();
+            SwapButton(clickedButton, emptyButton);
+
+            if (IsPuzzleSolved())
+                MessageBox.Show("🎊 Congratulations!! 🎊");
+        }
+
+        private bool CheckMoveValidation(int row, int col)
+        {
+            return (Math.Abs(row - FindEmptyButtonRow()) + Math.Abs(col - FindEmptyButtonCol()) == 1);
+        }
+
+        private Button FindEmptyButton()
+        {
+            for (int row = 0; row < 3; row++)
+            {
+                for (int col = 0; col < 3; col++)
+                {
+                    if (string.IsNullOrEmpty(_puzzleButtons[row, col].Content.ToString()))
+                        return _puzzleButtons[row, col];
+                }
+            }
+
+            return null;
+        }
+
+        private int FindEmptyButtonRow()
+        {
+            return Grid.GetRow(FindEmptyButton());
+        }
+
+        private int FindEmptyButtonCol()
+        {
+            return Grid.GetColumn(FindEmptyButton());
+        }
+
+        private void SwapButton(Button button1, Button button2)
+        {
+            int row1 = Grid.GetRow(button1);
+            int col1 = Grid.GetColumn(button1);
+            int row2 = Grid.GetRow(button2);
+            int col2 = Grid.GetColumn(button2);
+
+            _puzzleButtons[row1, col1] = button2;
+            _puzzleButtons[row2, col2] = button1;
+
+            Grid.SetRow(button1, row2);
+            Grid.SetColumn(button1, col2);
+            Grid.SetRow(button2, row1);
+            Grid.SetColumn(button2, col1);
+        }
+
+        private bool IsPuzzleSolved()
+        {
+            int counter = 1;
+            for (int row = 0; row < 3; row++)
+            {
+                for (int col = 0; col < 3; col++)
+                {
+                    if (row == 2 && col == 2)
+                        return string.IsNullOrEmpty(_puzzleButtons[row, col].Content.ToString());
+
+                    if (_puzzleButtons[row, col].Content.ToString() != counter.ToString())
+                        return false;
+
+                    counter++;
+                }
+            }
+
+            return true;
+        }
+    }
+}

PacticeSolution/SimplePuzzle/SimplePuzzle.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+</Project>