class program
{
    static void Main(string[] args)
    {
        Console.CursorVisible = false;
        char[,] map =
        {
            {'#','#','#','#','#','#','#','#','#','#','#','#','#','#','#','#'},
            {'#',' ',' ',' ',' ',' ',' ',' ',' ','#',' ',' ',' ',' ',' ','#'},
            {'#',' ',' ',' ','#','#','#','#',' ','#',' ','#','#','#',' ','#'},
            {'#',' ',' ',' ',' ',' ',' ','#',' ',' ',' ','#',' ',' ',' ','#'},
            {'#',' ',' ',' ',' ','#',' ','#','#',' ','#','#','#',' ','#','#'},
            {'#',' ','#','#',' ','#',' ',' ',' ','@','#','#',' ',' ','#','#'},
            {'#',' ',' ',' ',' ','#','#','#','#',' ','#','#',' ','#','#','#'},
            {'#',' ','#','#',' ',' ',' ',' ','#',' ',' ',' ',' ','#','#','#'},
            {'#',' ','#','#',' ','#','#',' ','#','#','#',' ','#','#','#','#'},
            {'#',' ','#','#',' ','#','#',' ','#','#','#',' ',' ',' ',' ','#'},
            {'#','#','#','#','#','#','#','#','#','#','#','#','#','#','#','#'},
        };

        int userPositionX;
        int userPositionY;

        int userDirectionX = 0;
        int userDirectionY = 0;

        int allStars;
        int collectStars = 0;

        char symbolStar = '*';
        char symbolWall = '#';
        char symbolCharacter = '@';
        char symbolErasure = ' ';

        bool isPlaying = true;

        ReadMap(map, out userPositionX, out userPositionY, out allStars, symbolCharacter, symbolStar, symbolErasure);
        DrawMap(map);

        while (isPlaying)
        {
            Console.SetCursorPosition(0, 12);
            Console.WriteLine($"Собрано {collectStars}/{allStars}");

            DirectionСharacter(ref userDirectionX, ref userDirectionY);
            MovementСharacter(map, ref userPositionX, ref userPositionY, userDirectionX, userDirectionY, symbolWall, symbolCharacter, symbolErasure);
            CollectingStars(map, userPositionX, userPositionY,ref collectStars, symbolStar, symbolErasure);

            if (collectStars == allStars)
            {
                isPlaying = false;
            }
        }
    }

    static int CollectingStars(char[,] array, int positionX, int positionY,ref int сollectStars, char symbolStar, char erasure)
    {
        if (array[positionY, positionX] == symbolStar)
        {
            сollectStars++;
            array[positionY, positionX] = erasure;
        }

        return сollectStars;
    }

    static char[,] ReadMap(char[,] array,out int positionX,out int positionY, out int allStars, char symbolCharacter, char symbolStar, char erasure)
    {
        positionX = 0;
        positionY = 0;
        allStars = 0;

        for (int i = 0; i <  array.GetLength(0); i++)
        {
            for (int j = 0; j < array.GetLength(1); j++)
            {
                if (array[i,j] == symbolCharacter)
                {
                    positionX = j;
                    positionY = i;
                }
                else if (array[i,j] == erasure)
                {
                    array[i, j] = symbolStar;
                    allStars++;
                }
            }
        }

        return array;
    }

    static void DrawMap(char[,] array)
    {
        Console.SetCursorPosition(0, 0);

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

            Console.WriteLine();
        }
    }

    static void DirectionСharacter(ref int directionX, ref int directionY)
    {
        const ConsoleKey UpButtonCommand = ConsoleKey.UpArrow;
        const ConsoleKey DownButtonCommand = ConsoleKey.DownArrow;
        const ConsoleKey LeftButtonCommand = ConsoleKey.LeftArrow;
        const ConsoleKey RightButtonCommand = ConsoleKey.RightArrow;

        ConsoleKeyInfo charKey = Console.ReadKey();

        switch (charKey.Key)
        {
            case UpButtonCommand:
                directionX = 0;
                directionY = -1;
                break;

            case DownButtonCommand:
                directionX = 0;
                directionY = 1;
                break;

            case LeftButtonCommand:
                directionX = -1;
                directionY = 0;
                break;

            case RightButtonCommand:
                directionX = 1;
                directionY = 0;
                break;
        }
    }

    static void MovementСharacter(char[,] array, ref int positionX, ref int positionY, int directionX, int directionY, char symbolWall, char symbolCharacter, char erasure)
    {
        if (array[positionY + directionY, positionX + directionX] != symbolWall)
        {
            RenderingСharacter(positionX, positionY, erasure);
            positionX += directionX;
            positionY += directionY;
            RenderingСharacter(positionX, positionY, symbolCharacter);
        }
    }

    static void RenderingСharacter(int positionX, int positionY, char symbol)
    {
        Console.SetCursorPosition(positionX, positionY);
        Console.WriteLine(symbol);
    }
}