namespace Gameboard.ShogiUI.Sockets.Models
{
  /// <summary>
  /// A representation of a Session without the board and game-rules.
  /// </summary>
  public class SessionMetadata
  {
    public string Name { get; }
    public User Player1 { get; }
    public User? Player2 { get; private set; }
    public bool IsPrivate { get; }

    public SessionMetadata(string name, bool isPrivate, User player1, User? player2 = null)
    {
      Name = name;
      IsPrivate = isPrivate;
      Player1 = player1;
      Player2 = player2;
    }
    public SessionMetadata(Session sessionModel)
    {
      Name = sessionModel.Name;
      IsPrivate = sessionModel.IsPrivate;
      Player1 = sessionModel.Player1;
      Player2 = sessionModel.Player2;
    }

    public void SetPlayer2(User user)
    {
      Player2 = user;
    }

    public bool IsSeated(User user) => user.Id == Player1.Id || user.Id == Player2?.Id;

    public ServiceModels.Types.Game ToServiceModel(User? user = null)
    {
      // TODO: Find a better way for the UI to know whether or not they are seated at a given game than client-side ID matching.
      var player1 = Player1.DisplayName;
      var player2 = Player2?.DisplayName;
      if (user != null)
      {
        if (user.Id == Player1.Id) player1 = Player1.Id;
        if (Player2 != null && user.Id == Player2.Id)
        {
          player2 = Player2.DisplayName;
         }
      }
      return new(Name, player1, player2);
    }
  }
}