using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Threading;

namespace tictoegame
{

public class gamestart
{
    int functionalcount, computernumber,usernumber;
    char\[\] box = new char\[9\];
    static int j=6;
    public gamestart()
    {

        
        for(int k=0;k<9;k++)
        {
            box\[k\] = ' ';
        }
        functionalcount = 0;
        Random rd = new Random();

      while(true)
      {
            computernumber = rd.Next(0, 8);
            if (box\[computernumber\]!='x'&& box\[computernumber\]!='X'&&box\[computernumber\]!='o'&& box\[computernumber\]!='O')
            {
                insertvalue(computernumber,Program.computersymbol);
                break;
                
            }
      }
        
        functionalcount++;
        userturn();
    }
    public void position()
    {
        int i=1;
        Console.CursorLeft=i;
        Console.CursorTop=j;
        j++;
    }
    public void userturn()
    {

        if (functionalcount != 9)
        {
            bool flag1 = checkwin(Program.usersymbol);
            if (flag1)
            {
                position();
                Console.WriteLine("you won");
                Thread.Sleep(3000);
                Environment.Exit(0);
            }
            else
            {
                while (true)
                {
                    position();
                    Console.WriteLine("enter the number for symbol");
                    usernumber = Convert.ToInt32(Console.ReadLine());
                    if (box\[usernumber\] != 'x' || box\[usernumber\] != 'X' && box\[usernumber\] != 'o' || box\[usernumber\] != 'O')
                    {
                        insertvalue(usernumber, Program.usersymbol);
                        functionalcount++;
                        break;
                    }
                }
                computerturn();

            }

        }
    }
    public void computerturn()
    {
        int count=0,i;
        if (functionalcount == 2)
        {
            Random rd = new Random();
            while (true)
            {
                com