using System.Collections.Generic;

using Syntriax.Engine.Core;

namespace Syntriax.Engine.Network;

public interface INetworkCommunicator
{
    Event<INetworkCommunicator, IConnection> OnConnectionEstablished { get; }
    Event<INetworkCommunicator, IConnection> OnConnectionAbolished { get; }

    IReadOnlyDictionary<string, IConnection> Connections { get; }

    INetworkCommunicator Stop();

    INetworkCommunicator SubscribeToPackets<T>(Event<IConnection, T>.EventHandler callback);
    INetworkCommunicator UnsubscribeFromPackets<T>(Event<IConnection, T>.EventHandler callback);
}

public interface INetworkCommunicatorClient : INetworkCommunicator
{
    INetworkCommunicatorClient Connect(string address, int port, string? password = null);

    INetworkCommunicatorClient SendToServer<T>(T packet) where T : class, new();
}

public interface INetworkCommunicatorServer : INetworkCommunicator
{
    string Password { get; }
    int MaxConnectionCount { get; }
    int Port { get; }

    INetworkCommunicatorServer Start(int port, int maxConnectionCount, string? password = null);

    INetworkCommunicatorServer SendToClient<T>(IConnection connection, T packet) where T : class, new();
    INetworkCommunicatorServer SendToAll<T>(T packet) where T : class, new();
}