/***
    Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: INetSrvSockets.hpp
    Date: 2022-8-15
    Author: Reece
***/
#pragma once

namespace Aurora::IO::Net
{   
    struct ISocketServer;

    struct NetSocketConnectByHost
    {
        NetHostname        netHostname;
        AuUInt16           uPort;
        ETransportProtocol protocol;
    };

    struct NetSocketConnectBase
    {
        inline NetSocketConnectBase() = default;
        
        inline NetSocketConnectBase(IPAddress ip, AuUInt16 uPort) : byEndpoint(NetEndpoint { ip, uPort })
        { }

        inline NetSocketConnectBase(NetSocketConnectByHost byHost) : byHost(byHost)
        { }

        // connect by protocol, address:port
        AuOptionalEx<NetEndpoint> byEndpoint;

        // or connect by [string/ip family, ip address], port
        AuOptionalEx<NetSocketConnectByHost> byHost;
    };

    struct NetSocketConnect : NetSocketConnectBase
    {
        inline NetSocketConnect() :
            NetSocketConnectBase()
        { }

        inline NetSocketConnect(IPAddress ip, AuUInt16 uPort) :
            NetSocketConnectBase(ip, uPort)
        { }

        inline NetSocketConnect(NetSocketConnectByHost byHost) :
            NetSocketConnectBase(byHost)
        { }
        
        AuSPtr<ISocketDriver> pDriver;
        AuUInt32 uMaxConnectTimeMs {};
    };

    struct NetSocketConnectMany
    {
        AuList<NetSocketConnectBase> names;
        AuSPtr<ISocketDriver> pDriver;
        AuUInt32 uMaxConnectTimeMs {};
    };

    struct NetSocketBind
    {
        ETransportProtocol protocol {};
        IPAddress ip;
        AuUInt16 uPort {};
        AuSPtr<ISocketDriverFactory> pFactory;
        AuSPtr<ISocketServerDriver> pDriver;
        AuUInt32 uMaxConnections {};
        AuUInt32 uMaxAcceptBacklog {};
        AuUInt32 uDefaultInputStreamSize /* also: abs max datagram size of datagrams over sockets. note that each sessions buffer could be raised if tick/fragement future-buffering rejection. */ {};
        bool bMultiThreaded {};
    };

    struct NetSocketBindEx : NetSocketBind
    {
        AuUInt32 uUDPTimeoutMs {};
    };

    struct INetSrvSockets
    {
        virtual AuSPtr<ISocket> Connect(const NetSocketConnect &netConnect) = 0;

        virtual AuSPtr<ISocket> ConnectMany(const NetSocketConnectMany &netConnectMany) = 0;

        virtual AuSPtr<ISocketServer> NewServer(const NetSocketBind &netBind) = 0;
        virtual AuSPtr<ISocketServer> NewServerEx(const NetSocketBindEx &netBindEx) = 0;
    };
};