TicTacToe/tictactoe/TicTacToeViewModel.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Microsoft.VisualBasic;

namespace TicTacToe
{
    partial class TicTacToeViewModel : ObservableObject
    {
        [ObservableProperty]
        char field1 = ' ';

        [ObservableProperty]
        char field2 = ' ';

        [ObservableProperty]
        char field3 = ' ';

        [ObservableProperty]
        char field4 = ' ';

        [ObservableProperty]
        char field5 = ' ';

        [ObservableProperty]
        char field6 = ' ';

        [ObservableProperty]
        char field7 = ' ';

        [ObservableProperty]
        char field8 = ' ';

        [ObservableProperty]
        char field9 = ' ';

        char currentTurn;

        public TicTacToeViewModel()
        {
            currentTurn = 'O';
        }

        [RelayCommand]
        public void OnFieldClick(string index)
        {
            // Karlkodning
            switch (index)
            {
                case "1": if (Field1 == ' ') Field1 = currentTurn; else return; break;
                case "2": if (Field2 == ' ') Field2 = currentTurn; else return; break;
                case "3": if (Field3 == ' ') Field3 = currentTurn; else return; break;
                case "4": if (Field4 == ' ') Field4 = currentTurn; else return; break;
                case "5": if (Field5 == ' ') Field5 = currentTurn; else return; break;
                case "6": if (Field6 == ' ') Field6 = currentTurn; else return; break;
                case "7": if (Field7 == ' ') Field7 = currentTurn; else return; break;
                case "8": if (Field8 == ' ') Field8 = currentTurn; else return; break;
                case "9": if (Field9 == ' ') Field9 = currentTurn; else return; break;
            }

            if (currentTurn == 'O') currentTurn = 'X';
            else currentTurn = 'O';

            char[][] wins = new char[][]
            {
                new char[] { Field1, Field2, Field3 },
                new char[] { Field4, Field5, Field6 },
                new char[] { Field7, Field8, Field9 },
                new char[] { Field1, Field5, Field9 },
                new char[] { Field3, Field5, Field7 },
            };

            foreach (var win in wins)
            {
                if (win[0] != ' ' && win[0] == win[1] && win[1] == win[2])
                {
                    MessageBox.Show($"{win[0]} VANDT!!!!");
                    Field1 = ' ';
                    Field2 = ' ';
                    Field3 = ' ';
                    Field4 = ' ';
                    Field5 = ' ';
                    Field6 = ' ';
                    Field7 = ' ';
                    Field8 = ' ';
                    Field9 = ' ';
                }
            }
        }
    }
}