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#pragma once 
 
#include "defs.h" 
#include "message.h" 
 
#include <util/generic/ptr.h>

namespace NBus { 
    struct TBusClientConnection {
        /// if you want to open connection early
        virtual void OpenConnection() = 0;
 
        /// Send message to the destination
        /// If addr is set then use it as destination.
        /// Takes ownership of addr (see ClearState method).
        virtual EMessageStatus SendMessage(TBusMessage* pMes, bool wait = false) = 0;
 
        virtual EMessageStatus SendMessageOneWay(TBusMessage* pMes, bool wait = false) = 0;
 
        /// Like SendMessage but cares about message
        template <typename T /* <: TBusMessage */>
        EMessageStatus SendMessageAutoPtr(const TAutoPtr<T>& mes, bool wait = false) {
            EMessageStatus status = SendMessage(mes.Get(), wait);
            if (status == MESSAGE_OK)
                Y_UNUSED(mes.Release());
            return status;
        }
 
        /// Like SendMessageOneWay but cares about message
        template <typename T /* <: TBusMessage */>
        EMessageStatus SendMessageOneWayAutoPtr(const TAutoPtr<T>& mes, bool wait = false) {
            EMessageStatus status = SendMessageOneWay(mes.Get(), wait);
            if (status == MESSAGE_OK)
                Y_UNUSED(mes.Release());
            return status;
        }
 
        EMessageStatus SendMessageMove(TBusMessageAutoPtr message, bool wait = false) {
            return SendMessageAutoPtr(message, wait);
        }
 
        EMessageStatus SendMessageOneWayMove(TBusMessageAutoPtr message, bool wait = false) {
            return SendMessageOneWayAutoPtr(message, wait);
        }
 
        // TODO: implement similar one-way methods
 
        virtual ~TBusClientConnection() {
        }
    }; 
 
    namespace NPrivate {
        struct TBusClientConnectionPtrOps {
            static void Ref(TBusClientConnection*);
            static void UnRef(TBusClientConnection*);
        };
    }
 
    using TBusClientConnectionPtr = TIntrusivePtr<TBusClientConnection, NPrivate::TBusClientConnectionPtrOps>;
 
}