using System;
using System.Collections.Generic;
using System.Runtime.ExceptionServices;
using System.Text;

namespace Microsoft.AspNetCore.SignalR.Protocol
{
    /// <summary>
    /// Represents a failure to bind arguments for a StreamDataMessage. This does not represent an actual
    /// message that is sent on the wire, it is returned by <see cref="IHubProtocol.TryParseMessage"/>
    /// to indicate that a binding failure occurred when parsing a StreamDataMessage. The stream ID is associated
    /// so that the error can be sent to the relevant hub method.
    /// </summary>
    public class StreamBindingFailureMessage : HubMessage
    {
        /// <summary>
        /// Gets the id of the relevant stream
        /// </summary>
        public string Id { get; }

        /// <summary>
        /// Gets the exception thrown during binding.
        /// </summary>
        public ExceptionDispatchInfo BindingFailure { get; }

        /// <summary>
        /// Initializes a new instance of the <see cref="InvocationBindingFailureMessage"/> class.
        /// </summary>
        /// <param name="id">The stream ID.</param>
        /// <param name="bindingFailure">The exception thrown during binding.</param>
        public StreamBindingFailureMessage(string id, ExceptionDispatchInfo bindingFailure)
        {
            Id = id;
            BindingFailure = bindingFailure;
        }
    }
}