BraweNewWorld

namespace braveNewWorld
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string[,] map;
            int mapWidthSize = 15;
            int mapHeightSize = 10;

            CreateMap(mapWidthSize, mapHeightSize, out map, out int numberOfCoins);
            Work(map, ref numberOfCoins);
        }

        static void CreateMap(int xSize, int ySize, out string[,] map, out int numberOfCoins)
        {
            int numberOfBoarders = 2;
            int heightMapWithoutBoarders = ySize - numberOfBoarders;
            int widthMapWithoutBoarders = xSize - numberOfBoarders;
            int numberOfEmptyFields = (widthMapWithoutBoarders) * (heightMapWithoutBoarders);
            map = new string[ySize, xSize];

            CreateBoarders(map);
            PrintEmptyArea(map);
            PaintArea(map, out numberOfCoins);
            DropOffPlayer(map, ref numberOfCoins);
        }

        static void CreateBoarders(string[,] map)
        {
            string wallSymbol = "#";

            for (int i = 0; i <= map.GetLength(0); i += map.GetLength(0) - 1)
            {
                for (int j = 0; j < map.GetLength(1); j++)
                {
                    map[i, j] = wallSymbol;
                }
            }

            for (int j = 0; j <= map.GetLength(1); j += map.GetLength(1) - 1)
            {
                for (int i = 0; i < map.GetLength(0); i++)
                {
                    map[i, j] = wallSymbol;
                }
            }
        }

        static void PrintEmptyArea(string[,] map)
        {
            string emptyField = " ";

            for (int i = 1; i < map.GetLength(0) - 1; i++)
            {
                for (int j = 1; j < map.GetLength(1) - 1; j++)
                {
                    map[i, j] = emptyField;
                }
            }
        }

        static void PaintArea(string[,] map, out int numberOfCoins)
        {
            string wallSymbol = "#";
            string coinSymbol = "*";
            numberOfCoins = 0;

            for (int i = 1; i < map.GetLength(0) - 1; i++)
            {
                for (int j = 1; j < map.GetLength(1) - 1; j++)
                {
                    Console.Write($"Нарисуйте преграды символом {wallSymbol}: ");
                    Console.SetCursorPosition(0, 1);

                    PrintMap(map);

                    Console.SetCursorPosition(j, i + 1);

                    map[i, j] = Console.ReadLine();

                    if (map[i, j] != wallSymbol)
                    {
                        map[i, j] = coinSymbol;
                        numberOfCoins++;
                    }

                    Console.Clear();
                }
            }
        }

        static void PrintMap(string[,] map)
        {
            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();
            }
        }

        static void DropOffPlayer(string[,] map, ref int numberOfCoins)
        {
            string emptyField = " ";
            string coinSymbol = "*";
            string playerSymbol = "@";

            for (int i = 1; i < map.GetLength(1) - 1; i++)
            {
                for (int j = 1; j < map.GetLength(1) - 1; j++)
                {
                    if (map[i, j] == emptyField)
                    {
                        map[i, j] = playerSymbol;
                        return;
                    }
                    else if (map[i, j] == coinSymbol)
                    {
                        map[i, j] = playerSymbol;
                        numberOfCoins--;
                        return;
                    }
                }
            }
        }

        static void Work(string[,] map, ref int numberOfCoins)
        {
            int playerMoveXPosition = 0;
            int playerMoveYPosition = 0;
            string emptyField = " ";
            string playerSymbol = "@";

            Console.CursorVisible = false;

            FindPlayer(map, out int playerLocationPositionX, out int playerLocationPositionY);

            map[playerLocationPositionY, playerLocationPositionX] = emptyField;

            while (numberOfCoins > 0)
            {
                Console.SetCursorPosition(0, 0);

                PrintMap(map);

                Console.SetCursorPosition(0, map.GetLength(0) + 2);
                Console.WriteLine(numberOfCoins);
                Console.SetCursorPosition(playerLocationPositionX, playerLocationPositionY);
                Console.Write(playerSymbol);

                ConsoleKeyInfo charKey = Console.ReadKey();

                MovePlayerThroughKeys(ref playerMoveXPosition, ref playerMoveYPosition, charKey);
                DrawMovePlayer(ref map, ref numberOfCoins, ref playerLocationPositionX, ref playerLocationPositionY, ref playerMoveXPosition, ref playerMoveYPosition, playerSymbol, emptyField);

                Console.Clear();
            }

            Console.WriteLine("Уровень пройден.");
            Console.ReadKey();
        }

        static void CollectCoins(string[,] map, ref int numberOfCoins, int playerLocationositionX, int playerLocationPositionY)
        {
            string coinSymbol = "*";
            string emptyField = " ";

            if (map[playerLocationPositionY, playerLocationositionX] == coinSymbol)
            {
                map[playerLocationPositionY, playerLocationositionX] = emptyField;
                numberOfCoins--;
            }
        }

        static void FindPlayer(string[,] map, out int playerLocationPositionX, out int playerLocationPositionY)
        {
            string playerSymbol = "@";

            playerLocationPositionX = 0;
            playerLocationPositionY = 0;

            for (int i = 1; i < map.GetLength(0); i++)
            {
                for (int j = 1; j < map.GetLength(1); j++)
                {
                    if (map[i, j] == playerSymbol)
                    {
                        playerLocationPositionY = i;
                        playerLocationPositionX = j;
                        return;
                    }
                }
            }
        }

        static void DrawMovePlayer(ref string[,] map, ref int numberOfCoins, ref int playerLocationPositionX, ref int playerLocationPositionY, ref int playerMoveXPosition, ref int playerMoveYPosition, string playerSymbol, string emptyField)
        {
            string wallSymbol = "#";

            playerLocationPositionX += playerMoveXPosition;
            playerLocationPositionY += playerMoveYPosition;

            if (map[playerLocationPositionY, playerLocationPositionX] != wallSymbol)
            {
                CollectCoins(map, ref numberOfCoins, playerLocationPositionX, playerLocationPositionY);

                playerMoveXPosition = 0;
                playerMoveYPosition = 0;

                map[playerLocationPositionY, playerLocationPositionX] = playerSymbol;
            }
            else
            {
                playerLocationPositionX -= playerMoveXPosition;
                playerLocationPositionY -= playerMoveYPosition;

                playerMoveXPosition = 0;
                playerMoveYPosition = 0;
            }

            map[playerLocationPositionY, playerLocationPositionX] = emptyField;
        }

        static void MovePlayerThroughKeys(ref int playerMoveXPosition, ref int playerMoveYPosition, ConsoleKeyInfo charKey)
        {
            ConsoleKey moveUp = ConsoleKey.UpArrow;
            ConsoleKey moveDown = ConsoleKey.DownArrow;
            ConsoleKey moveLeft = ConsoleKey.LeftArrow;
            ConsoleKey moveRight = ConsoleKey.RightArrow;

            if (charKey.Key == moveUp)
            {
                playerMoveYPosition = -1;
            }
            else if (charKey.Key == moveDown)
            {
                playerMoveYPosition = 1;
            }
            else if (charKey.Key == moveLeft)
            {
                playerMoveXPosition = -1;
            }
            else if (charKey.Key == moveRight)
            {
                playerMoveXPosition = 1;
            }
        }
    }
}