using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        int counter = 0;
        char[,] tic = new char[3, 3] { { 'a', 'b', 'c' }, { 'd', 'e', 'f' }, { 'h', 'g', 'k' } };

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            float x0 = this.Width / 5,
                y0 = this.Height / 5,
                x3 = this.Width - x0,
                y3 = this.Height - y0,
                x1 = x0 + (x3 - x0) / 3,
                y1 = y0 + (y3 - y0) / 3,
                x2 = x0 + 2 * (x3 - x0) / 3,
                y2 = y0 + 2 * (x3 - x0) / 3,
                test = x0 + (x3 - x0) / 3;
            g.DrawLine(new Pen(Color.SlateGray, 2.5f), x0, y0, x3, y0);
            g.DrawLine(new Pen(Color.SlateGray, 2.5f), x3, y0, x3, y3);
            g.DrawLine(new Pen(Color.SlateGray, 2.5f), x3, y3, x0, y3);
            g.DrawLine(new Pen(Color.SlateGray, 2.5f), x0, y3, x0, y0);
            g.DrawLine(new Pen(Color.Gray, 2.5f), x1, y0, x1, y3);
            g.DrawLine(new Pen(Color.Gray, 2.5f), x2, y0, x2, y3);
            g.DrawLine(new Pen(Color.Gray, 2.5f), x0, y1, x3, y1);
            g.DrawLine(new Pen(Color.Gray, 2.5f), x0, y2, x3, y2);
            System.IO.File.WriteAllText(@"C:\moves.txt", "");
        }

        private void Form1_MouseClick(object sender, MouseEventArgs e)
        {
            System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
            float x0 = this.Width / 5,
                y0 = this.Height / 5,
                x3 = this.Width - x0,
                y3 = this.Height - y0,
                x1 = x0 + (x3 - x0) / 3,
                y1 = y0 + (y3 - y0) / 3,
                x2 = x0 + 2 * (x3 - x0) / 3,
                y2 = y0 + 2 * (x3 - x0) / 3,
                test = x0 + (x3 - x0) / 3;
            Graphics g = Graphics.FromHwnd(this.Handle);
            Pen redBrush = new Pen(new SolidBrush(Color.Red), 3f);
            Pen blueBrush = new Pen(new SolidBrush(Color.Blue), 3f);


            if (counter < 9)
            {

                if (counter % 2 == 0)
                {
                    //РИСУЕМ КРЕСТИКИ

                    if (e.X > x1)
                    {
                        if (e.X < x2)
                        {
                            if (e.Y > y1)
                            {
                                if (e.Y < y2)
                                {
                                    g.DrawLine(blueBrush, x1 + 7, y1 + 7, x2 - 7, y2 - 7);
                                    g.DrawLine(blueBrush, x1 + 7, y2 - 7, x2 - 7, y1 + 7);
                                    tic[1, 1] = 'X';
                                    string lines = " X в точке (2; 2)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);

                                }
                                else
                                {
                                    g.DrawLine(blueBrush, x1 + 7, y2 + 7, x2 - 7, y3 - 7);
                                    g.DrawLine(blueBrush, x1 + 7, y3 - 7, x2 - 7, y2 + 7);
                                    tic[2, 1] = 'X';
                                    string lines = " X в точке (2; 3)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                                }
                            }
                            else
                            {
                                g.DrawLine(blueBrush, x1 + 7, y0 + 7, x2 - 7, y1 - 7);
                                g.DrawLine(blueBrush, x1 + 7, y1 - 7, x2 - 7, y0 + 7);
                                tic[0, 1] = 'X';
                                string lines = " X в точке (2; 1)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                        }
                        else
                        {
                            if (e.Y > y1)
                            {
                                if (e.Y < y2)
                                {
                                    g.DrawLine(blueBrush, x2 + 7, y1 + 7, x3 - 7, y2 - 7);
                                    g.DrawLine(blueBrush, x2 + 7, y2 - 7, x3 - 7, y1 + 7);
                                    tic[1, 2] = 'X';
                                    string lines = " X в точке (3; 2)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                                }
                                else
                                {
                                    g.DrawLine(blueBrush, x2 + 7, y2 + 7, x3 - 7, y3 - 7);
                                    g.DrawLine(blueBrush, x2 + 7, y3 - 7, x3 - 7, y2 + 7);
                                    tic[2, 2] = 'X';
                                    string lines = " X в точке (3; 3)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                                }
                            }
                            else
                            {
                                g.DrawLine(blueBrush, x2 + 7, y0 + 7, x3 - 7, y1 - 7);
                                g.DrawLine(blueBrush, x2 + 7, y1 - 7, x3 - 7, y0 + 7);
                                tic[0, 2] = 'X';
                                string lines = " X в точке (3; 1)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                        }
                    }
                    else
                    {
                        if (e.Y > y1)
                        {
                            if (e.Y < y2)
                            {
                                g.DrawLine(blueBrush, x0 + 7, y1 + 7, x1 - 7, y2 - 7);
                                g.DrawLine(blueBrush, x0 + 7, y2 - 7, x1 - 7, y1 + 7);
                                tic[1, 0] = 'X';
                                string lines = " X в точке (1; 2)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                            else
                            {
                                g.DrawLine(blueBrush, x0 + 7, y2 + 7, x1 - 7, y3 - 7);
                                g.DrawLine(blueBrush, x0 + 7, y3 - 7, x1 - 7, y2 + 7);
                                tic[2, 0] = 'X';
                                string lines = " X в точке (1; 3)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                        }
                        else
                        {
                            g.DrawLine(blueBrush, x0 + 7, y0 + 7, x1 - 7, y1 - 7);
                            g.DrawLine(blueBrush, x0 + 7, y1 - 7, x1 - 7, y0 + 7);
                            tic[0, 0] = 'X';
                            string lines = " X в точке (1; 1)\r\n";
                            System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                        }
                    }

                }

                //РИСУЕМ НОЛИКИ

                else
                {
                    if (e.X > x1)
                    {
                        if (e.X < x2)
                        {
                            if (e.Y > y1)
                            {
                                if (e.Y < y2)
                                {
                                    g.DrawEllipse(redBrush, x1 + 7, y1 + 7, x2 - x1 - 14, y2 - y1 - 14);
                                    tic[1, 1] = 'O';
                                    string lines = " O в точке (2; 2)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                                }
                                else
                                {
                                    g.DrawEllipse(redBrush, x1 + 7, y2 + 7, x2 - x1 - 14, y3 - y2 - 14);
                                    tic[2, 1] = 'O';
                                    string lines = " O в точке (2; 3)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                                }
                            }
                            else
                            {
                                g.DrawEllipse(redBrush, x1 + 7, y0 + 7, x2 - x1 - 14, y1 - y0 - 14);
                                tic[0, 1] = 'O';
                                string lines = " O в точке (2; 1)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                        }
                        else
                        {
                            if (e.Y > y1)
                            {
                                if (e.Y < y2)
                                {
                                    g.DrawEllipse(redBrush, x2 + 7, y1 + 7, x3 - x2 - 14, y2 - y1 - 14);
                                    tic[1, 2] = 'O';
                                    string lines = " O в точке (3; 2)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                                }
                                else
                                {
                                    g.DrawEllipse(redBrush, x2 + 7, y2 + 7, x3 - x2 - 14, y3 - y2 - 14);
                                    tic[2, 2] = 'O';
                                    string lines = " O в точке (3; 3)\r\n";
                                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                                }
                            }
                            else
                            {
                                g.DrawEllipse(redBrush, x2 + 7, y0 + 7, x3 - x2 - 14, y1 - y0 - 14);
                                tic[0, 2] = 'O';
                                string lines = " O в точке (3; 1)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                        }
                    }
                    else
                    {
                        if (e.Y > y1)
                        {
                            if (e.Y < y2)
                            {
                                g.DrawEllipse(redBrush, x0 + 7, y1 + 7, x1 - x0 - 14, y2 - y1 - 14);
                                tic[1, 0] = 'O';
                                string lines = " O в точке (1; 2)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                            else
                            {
                                g.DrawEllipse(redBrush, x0 + 7, y2 + 7, x1 - x0 - 14, y3 - y2 - 14);
                                tic[2, 0] = 'O';
                                string lines = " O в точке (1; 3)\r\n";
                                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                            }
                        }
                        else
                        {
                            g.DrawEllipse(redBrush, x0 + 7, y0 + 7, x1 - x0 - 14, y1 - y0 - 14);
                            tic[0, 0] = 'O';
                            string lines = " O в точке (1; 1)\r\n";
                            System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                        }
                    }

                }

            }



            if (tic[0, 0] == tic[1, 1] && tic[1, 1] == tic[2, 2] ||
                tic[1, 0] == tic[1, 1] && tic[1, 1] == tic[1, 2] ||
                tic[2, 0] == tic[1, 1] && tic[1, 1] == tic[0, 2] ||
                tic[2, 1] == tic[1, 1] && tic[1, 1] == tic[0, 1])
            {
                if (counter % 2 == 0)
                {
                    string lines = " Игра окончена. \r\n Исход: Победа X.";
                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                }

                else
                {
                    string lines = " Игра окончена. \r\n Исход: Победа O.";
                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                }

                counter = 8;
                messageBoxCS.AppendFormat("    Победили {0}\n", tic[1, 1]);
                MessageBox.Show(messageBoxCS.ToString(), "Report");
            }

            else if (tic[0, 0] == tic[0, 1] && tic[0, 1] == tic[0, 2] ||
                     tic[0, 0] == tic[1, 0] && tic[1, 0] == tic[2, 0] )
            {
                if (counter % 2 == 0)
                {
                    string lines = " Игра окончена. \r\n Исход: Победа X.";
                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                }

                else
                {
                    string lines = " Игра окончена. \r\n Исход: Победа O.";
                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                }

                counter = 8;
                messageBoxCS.AppendFormat("    Победили {0}\n", tic[0, 0]);
                MessageBox.Show(messageBoxCS.ToString(), "Report");
            }

            else if (tic[2, 2] == tic[2, 1] && tic[2, 1] == tic[2, 0] ||
                     tic[2, 2] == tic[1, 2] && tic[1, 2] == tic[0, 2])
            {
                if (counter % 2 == 0)
                {
                    string lines = " Игра окончена. \r\n Исход: Победа X.";
                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                }

                else
                {
                    string lines = " Игра окончена. \r\n Исход: Победа O.";
                    System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                }

                counter = 8;
                messageBoxCS.AppendFormat("    Победили {0}\n", tic[2, 2]);
                MessageBox.Show(messageBoxCS.ToString(), "Report");
            }

            else if (counter == 8)
            {
                string lines = " Игра окончена. \r\n Исход: Ничья.";
                System.IO.File.AppendAllText(@"C:\moves.txt", lines);
                messageBoxCS.AppendFormat("  Игра окончена\n         Ничья");
                MessageBox.Show(messageBoxCS.ToString(), "Report");
            }


            counter++;
        }



    }
}