using Gameboard.ShogiUI.Sockets.Models;
using PathFinding;
using System;
using System.Collections.Generic;
using System.Numerics;

namespace Gameboard.ShogiUI.Sockets.Utilities
{
  public class CoordsToNotationCollection : Dictionary<string, Piece?>, IPlanarCollection<Piece>
  {
    public delegate void ForEachDelegate(Piece element, Vector2 position);

    public CoordsToNotationCollection() : base(81, StringComparer.OrdinalIgnoreCase)
    {
    }

    public CoordsToNotationCollection(Dictionary<string, Piece?> board) : base(board, StringComparer.OrdinalIgnoreCase)
    {
    }

    public Piece? this[Vector2 vector]
    {
      get => this[NotationHelper.ToBoardNotation(vector)];
      set => this[NotationHelper.ToBoardNotation(vector)] = value;
    }

    public Piece? this[int x, int y]
    {
      get => this[NotationHelper.ToBoardNotation(x, y)];
      set => this[NotationHelper.ToBoardNotation(x, y)] = value;
    }


    public void ForEachNotNull(ForEachDelegate callback)
    {
      for (var x = 0; x < 9; x++)
      {
        for (var y = 0; y < 9; y++)
        {
          var position = new Vector2(x, y);
          var elem = this[position];
          if (elem != null)
            callback(elem, position);
        }
      }
    }
  }
}