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

namespace ChessEngine
{
    public class FenParser
    {

        public const string startingFen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";

        readonly Dictionary<string, int> pieces = new Dictionary<string, int>
        {
            { "p", 1 },
            { "n", 2 },
            { "b", 3 },
            { "r", 4 },
            { "q", 5 },
            { "k", 6 },
            { "P", 9 },
            { "N", 10 },
            { "B", 11 },
            { "R", 12 },
            { "Q", 13 },
            { "K", 14 }
        };

        public ChessBoard ParseFen(string FenString)
        {
            ChessBoard board = new ChessBoard();
            string[] parts = FenString.Split(' ');

            // Parse the pieces
            int i = 0;
            string boardfen = parts[0];

            Dictionary<string, int> scores = new Dictionary<string, int> { { "p", 0b0001 } };

            while (i < boardfen.Length)
            {
                if (char.IsDigit(boardfen[i]))
                {
                    i += (int)char.GetNumericValue(boardfen[i]);
                }
                else if (boardfen[i] == '/')
                {
                    i++;
                }
                else
                {
                    board.Board[i] = pieces[boardfen[i].ToString()];
                }
            }

            return board;
        }
    }
}

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

namespace ChessEngine
{
    public class FenParser
    {

        public const string startingFen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";

        readonly Dictionary<string, int> pieces = new Dictionary<string, int>
        {
            { "p", 1 },
            { "n", 2 },
            { "b", 3 },
            { "r", 4 },
            { "q", 5 },
            { "k", 6 },
            { "P", 9 },
            { "N", 10 },
            { "B", 11 },
            { "R", 12 },
            { "Q", 13 },
            { "K", 14 }
        };

        public ChessBoard ParseFen(string FenString)
        {
            ChessBoard board = new ChessBoard();
            string[] parts = FenString.Split(' ');

            // Parse the pieces
            int i = 0;
            string boardfen = parts[0];

            Dictionary<string, int> scores = new Dictionary<string, int> { { "p", 0b0001 } };

            while (i < boardfen.Length)
            {
                if (char.IsDigit(boardfen[i]))
                {
                    i += (int)char.GetNumericValue(boardfen[i]);
                }
                else if (boardfen[i] == '/')
                {
                    i++;
                }
                else
                {
                    board.Board[i] = pieces[boardfen[i].ToString()];
                }
            }

            return board;
        }
    }
}