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

namespace SnakeHome
{
    public class Game
    {
        private Case[,] grid;
        private Snake snake;
        private int heightGrid = 20;
        private int widthGrid = 40;
        private static Timer aTimer;

        public Game()
        {
            Console.WindowHeight = heightGrid + 1;
            Console.WindowWidth = widthGrid + 1;
            GenerateGrid();
            snake = new Snake();
            snake.SetCurrentCase(new Case(widthGrid / 2, heightGrid / 2));
            SetTimer();
        }

        private void SetTimer()
        {
            aTimer = new Timer(250);
            aTimer.Elapsed += OnTimedEvent;
            aTimer.Enabled = true;
        }

        private void OnTimedEvent(Object source, ElapsedEventArgs e)
        {
            Console.Clear();
            DisplayGrid();
            snake.MoveSnake();
            snake.DisplaySnake();
        }

        private void GenerateGrid()
        {
            grid = new Case[heightGrid, widthGrid];

            for (int i = 0; i < grid.GetLength(0); i++)
            {
                for (int j = 0; j < grid.GetLength(1); j++)
                {
                    grid[i, j] = new Case(i, j);
                }
            }
        }

        private void DisplayGrid()
        {
            for (int i = 0; i < grid.GetLength(1); i++)
            {
                Console.Write("#");
            }

            for (int i = 0; i < grid.GetLength(0); i++)
            {
                Console.WriteLine("#");
            }

            for (int i = 0; i < grid.GetLength(0); i++)
            {
                Console.SetCursorPosition(widthGrid, i);
                Console.WriteLine("#");
            }

            for (int i = 0; i < grid.GetLength(1) + 1; i++)
            {
                Console.Write("#");
            }
        }
    }
}