Shogi/Gameboard.ShogiUI.Sockets/Managers/ClientActionHandlers/MoveHandler.cs

using Gameboard.Shogi.Api.ServiceModels.Messages;
using Gameboard.ShogiUI.Sockets.Models;
using Gameboard.ShogiUI.Sockets.Repositories;
using Newtonsoft.Json;
using System.Threading.Tasks;
using Service = Gameboard.ShogiUI.Sockets.ServiceModels.Socket;


namespace Gameboard.ShogiUI.Sockets.Managers.ClientActionHandlers
{
  public class MoveHandler : IActionHandler
  {
    private readonly IBoardManager boardManager;
    private readonly IGameboardRepository gameboardRepository;
    private readonly ISocketCommunicationManager communicationManager;
    public MoveHandler(
      IBoardManager boardManager,
      ISocketCommunicationManager communicationManager,
      IGameboardRepository gameboardRepository)
    {
      this.boardManager = boardManager;
      this.gameboardRepository = gameboardRepository;
      this.communicationManager = communicationManager;
    }

    public async Task Handle(string json, string userName)
    {
      var request = JsonConvert.DeserializeObject<Service.Messages.MoveRequest>(json);
      var moveModel = new Move(request.Move);
      var board = boardManager.Get(request.GameName);
      if (board == null)
      {
        // TODO: Find a flow for this
        var response = new Service.Messages.MoveResponse(Service.Types.ClientAction.Move)
        {
          Error = $"Game isn't loaded. Send a message with the {Service.Types.ClientAction.LoadGame} action first."
        };
        await communicationManager.BroadcastToPlayers(response, userName);

      }
      var boardMove = moveModel.ToBoardModel();
      var moveSuccess = board.Move(boardMove);
      if (moveSuccess)
      {
        await gameboardRepository.PostMove(request.GameName, new PostMove(moveModel.ToApiModel()));
        var boardState = new BoardState(board);
        var response = new Service.Messages.MoveResponse(Service.Types.ClientAction.Move)
        {
          GameName = request.GameName,
          PlayerName = userName,
          BoardState = boardState.ToServiceModel()
        };
        await communicationManager.BroadcastToGame(request.GameName, response);
      }
      else
      {
        var response = new Service.Messages.MoveResponse(Service.Types.ClientAction.Move)
        {
          Error = "Invalid move."
        };
        await communicationManager.BroadcastToPlayers(response, userName);
      }
    }
  }
}