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

namespace Brave_new_world
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.CursorVisible = false;

            char[,] map =
            {
                {'#','#','#','#','#','#','#','#','#','#','#','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#' },
                {'#','#','#','#','#','#','#','#','#','#','#','#' }
            };

            int userY = 1, userX = 1;
            char[] bag = new char[0];


            while (true)
            {

                Console.SetCursorPosition(0, 0);
                for (int i = 0; i < map.GetLength(0); i++)
                {
                    for (int j = 0; j < map.GetLength(1); j++)
                    {
                        Console.Write(map[i, j]);
                    }
                    Console.WriteLine();
                }

                Console.SetCursorPosition(userY, userX);
                Console.Write('@');
                ConsoleKeyInfo charKey = Console.ReadKey();

                switch (charKey.Key)
                {
                    case ConsoleKey.UpArrow:
                        if (map[userX - 1, userY] != '#')
                            userX--;
                        break;
                    case ConsoleKey.DownArrow:
                        if (map[userX + 1, userY] != '#')
                            userX++;
                        break;
                    case ConsoleKey.LeftArrow:
                        if (map[userX, userY - 1] != '#')
                            userY--;
                        break;
                    case ConsoleKey.RightArrow:
                        if (map[userX, userY + 1] != '#')
                            userY++;
                        break;
                    case ConsoleKey.Enter:
                        map[userX, userY] = '#';
                        break;
                    case ConsoleKey.Backspace:
                        map[userX + 1, userY] = ' ';
                        map[userX - 1, userY] = ' ';
                        map[userX, userY + 1] = ' ';
                        map[userX, userY - 1] = ' ';
                        break;
                }


            }
        }
    }
}