namespace Debug.Tanchishe;

/// <summary>
/// 贪吃蛇主入口
/// </summary>
public class Main : Activity
{
    const string Title = "贪吃蛇";
    readonly int MaxY;
    readonly int MaxX;
    public Main()
    {
        MaxY = Program.chars.GetLength(0);
        MaxX = Program.chars.GetLength(1);

        Console.Clear();
        Program.ResetChars();
        she.x = MaxY / 2;
        she.y = MaxX / 2;
        Program.chars[she.y, she.x].Char = she.Char;
        new Thread(PrintCharArray).Start();//打印
        KeyThread();//键盘
        new Zhixing(this).Run();


    }

    /// <summary>
    /// 蛇类
    /// </summary>
    public class She
    {
        public int x, y;
        public int direction = 0;//方向 0不动 1上 2右 -1下 -2左
        public char Char = 'o';
    }
    public She she = new();
    int i; int j;
    private void PrintCharArray()
    {
        while (Program.IsWhile)
        {
            sx();
            Thread.Sleep(50);
        }
    }

    public void sx()
    {
        Console.SetCursorPosition(0, 0);// 设定光标位置
        Console.Clear();
        for (i = 0; i < MaxY; i++)
        {
            for (j = 0; j < MaxX; j++)
            {
                // Console.ForegroundColor = chars[i, j].Color;
                Console.Write(Program.chars[i, j].Char);
            }
            Console.WriteLine();
        }
    }

    /// <summary>
    /// 全局键盘监听
    /// </summary>
    public void KeyThread()
    {
        new Thread(() =>
        {
            while (Program.IsWhile)
            {
                ConsoleKeyInfo consoleKeyInfo = Console.ReadKey(true);
                if (consoleKeyInfo.Key == ConsoleKey.Escape)
                {
                    Program.IsWhile = false;
                    Thread.Sleep(500);
                    Console.Clear();
                    Environment.Exit(0);
                    return;
                }
                // Console.WriteLine(consoleKeyInfo.Key);

                switch (consoleKeyInfo.Key)
                {
                    //空格
                    case ConsoleKey.W:
                    case ConsoleKey.UpArrow:
                        she.direction = 1;
                        //Program.chars[she.y--, she.x].Char = Program.ShowChar;
                        //Program.chars[she.y, she.x].Char = she.Char;
                        break;
                    case ConsoleKey.S:
                    case ConsoleKey.DownArrow:
                        Program.chars[she.y++, she.x].Char = Program.ShowChar;
                        Program.chars[she.y, she.x].Char = she.Char;
                        break;

                    case ConsoleKey.A:
                    case ConsoleKey.LeftArrow:
                        Program.chars[she.y, she.x--].Char = Program.ShowChar;
                        Program.chars[she.y, she.x].Char = she.Char;
                        break;
                    case ConsoleKey.D:
                    case ConsoleKey.RightArrow:
                        Program.chars[she.y, she.x++].Char = Program.ShowChar;
                        Program.chars[she.y, she.x].Char = she.Char;
                        break;
                }
                //sx();
            }
            // 等待用户按下任意键后退出
        }).Start();
    }
}