using Microsoft.AspNetCore.Http;
using System;
using System.Net;
using System.Threading.Tasks;

namespace Gameboard.ShogiUI.Sockets.Managers
{
  public interface ISocketConnectionManager
  {
    Task HandleSocketRequest(HttpContext context);
  }

  public class SocketConnectionManager : ISocketConnectionManager
  {
    private readonly ISocketCommunicationManager communicationManager;
    private readonly ISocketTokenManager tokenManager;

    public SocketConnectionManager(ISocketCommunicationManager communicationManager, ISocketTokenManager tokenManager) : base()
    {
      this.communicationManager = communicationManager;
      this.tokenManager = tokenManager;

    }

    public async Task HandleSocketRequest(HttpContext context)
    {
      var hasToken = context.Request.Query.Keys.Contains("token");
      if (hasToken)
      {
        var oneTimeToken = context.Request.Query["token"][0];
        var tokenAsGuid = Guid.Parse(oneTimeToken);
        var userName = tokenManager.GetUsername(tokenAsGuid);
        if (!string.IsNullOrEmpty(userName))
        {
          var socket = await context.WebSockets.AcceptWebSocketAsync();
          await communicationManager.CommunicateWith(socket, userName);
          return;
        }
      }
      context.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
      return;
    }
  }
}