using Google.Protobuf;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.Integration.Operation;
using Tango.PMR.Integration;
using Tango.Transport;
using Tango.Transport.Adapters;
using Tango.Transport.Transporters;

namespace Tango.Integration.ExternalBridge
{
    public interface IExternalBridgeService
    {
        /// <summary>
        /// Gets the collection of logged-in receivers.
        /// </summary>
        List<ExternalBridgeReceiver> ActiveReceivers { get; }

        /// <summary>
        /// Occurs when a new client is waiting for authentication.
        /// </summary>
        event EventHandler<ExternalBridgeClientConnectedEventArgs> ConnectionRequest;

        /// <summary>
        /// Occurs when the current full control session has disconnected.
        /// </summary>
        event EventHandler FullControlSessionDisconnected;

        /// <summary>
        /// Occurs when the service has received a new color profile request.
        /// </summary>
        event EventHandler<ColorProfileRequestEventArgs> ColorProfileRequest;

        /// <summary>
        /// Gets or sets the machine operator.
        /// </summary>
        IMachineOperator MachineOperator { get; set; }

        /// <summary>
        /// Gets or sets the machine.
        /// </summary>
        Machine Machine { get; set; }

        /// <summary>
        /// Gets or sets the SignalR configuration.
        /// </summary>
        ExternalBridgeSignalRConfiguration SignalRConfiguration { get; set; }

        /// <summary>
        /// Gets the current full control session receiver.
        /// </summary>
        ExternalBridgeReceiver FullControlSessionReceiver { get; }

        /// <summary>
        /// Gets or sets the TCP transport adapter write mode when creating a TCP receiver.
        /// </summary>
        TcpTransportAdapterWriteMode TcpTransportAdapterWriteMode { get; set; }

        /// <summary>
        /// Gets a value indicating whether this instance is started.
        /// </summary>
        bool IsStarted { get; }

        /// <summary>
        /// Gets or sets a value indicating whether this <see cref="IExternalBridgeService"/> is enabled.
        /// </summary>
        bool Enabled { get; set; }

        /// <summary>
        /// Gets a value indicating whether there are any connected sessions.
        /// </summary>
        bool HasSessions { get; }

        /// <summary>
        /// Starts this instance.
        /// </summary>
        void Start();

        /// <summary>
        /// Stops this instance.
        /// </summary>
        void Stop();

        /// <summary>
        /// Disconnects the current remote client session.
        /// </summary>
        void DisconnectFullControlSession();

        /// <summary>
        /// Registers the request handler.
        /// </summary>
        /// <param name="handler">The handler.</param>
        void RegisterRequestHandler(IExternalBridgeRequestHandler handler);

        /// <summary>
        /// Unregisters the request handler.
        /// </summary>
        /// <param name="handler">The handler.</param>
        void UnregisterRequestHandler(IExternalBridgeRequestHandler handler);
    }
}