using Memory.Logic;
using System;
using System.Reflection;

namespace Memory.Cmd
{
    internal class Renderer(Game game)
    {
        private readonly Game game = game;

        private static string FormatNumber(int number)
        {
            string num = "";
            int padding = Game.DECKSIZE.ToString().Length - number.ToString().Length;
            for (int i = 0; i < padding; i++)
            {
                num += '0';
            }
            num += number;
            return num;
        }

        private static void DrawCard(Card card, int index, int column, int row)
        {
            string num = FormatNumber(card.ID);
            string cardNr = FormatNumber(index);
            int cardWidth = Game.DECKSIZE.ToString().Length + 4;
            for (int i = 0; i < Game.GRIDSIZE; i++)
            {
                Console.CursorLeft += (cardWidth + 1) * column;
                Console.CursorTop = i + ((Game.GRIDSIZE + 1) * row);
                for (int j = 0; j < cardWidth; j++)
                {
                    if (i == 0)
                    {
                        Console.Write('#');
                    }
                    else if (i == Game.GRIDSIZE - 1)
                    {
                        if (j > 1 && j < cardWidth - 2)
                        {
                            Console.Write(cardNr[j - 2]);
                        }
                        else
                        {
                            Console.Write('#');
                        }
                    }
                    else if (j == 0 || j == cardWidth - 1)
                    {
                        Console.Write('#');
                    }
                    else if (i == Game.GRIDSIZE / 2 && j > 1 && j < cardWidth - 2)
                    {
                        if (card.Selected())
                        {
                            Console.Write(num[j - 2]);
                        }
                        else
                        {
                            Console.Write('*');
                        }
                    }
                    else
                    {
                        Console.Write(' ');
                    }
                }
                Console.Write('\n');
            }
        }

        public void Render()
        {
            for (int i = 0; i < game.Cards.Count; i++)
            {
                Card card = game.Cards[i];
                if (!card.Completed)
                {
                    if (card.Selected())
                    {
                        Console.ForegroundColor = ConsoleColor.Green;
                    }
                    else
                    {
                        Console.ForegroundColor= ConsoleColor.Red;
                    }
                    DrawCard(game.Cards[i], i + 1, i % Game.GRIDSIZE, i / Game.GRIDSIZE);
                    Console.ForegroundColor = ConsoleColor.White;
                }
            }
        }
    }
}