#pragma once

#include "envoy/http/codec.h"

#include "envoy/registry/registry.h"

#include "source/common/common/assert.h"

#include "source/common/common/logger.h"

#include "source/common/quic/quic_filter_manager_connection_impl.h"

namespace Envoy {

namespace Quic {

// QuicHttpConnectionImplBase instance is a thin QUIC codec just providing quic interface to HCM.

// Owned by HCM and created during onNewConnection() if the network connection

// is a QUIC connection.

class QuicHttpConnectionImplBase : public virtual Http::Connection,

                                   protected Logger::Loggable<Logger::Id::quic> {

public:

  QuicHttpConnectionImplBase(QuicFilterManagerConnectionImpl& quic_session,

                             Http::Http3::CodecStats& stats)

      : quic_session_(quic_session), stats_(stats) {}

  // Http::Connection

  Http::Status dispatch(Buffer::Instance& /*data*/) override {

    PANIC("not implemented"); // QUIC connection already hands all data to streams.

  }

  Http::Protocol protocol() override { return Http::Protocol::Http3; }

  // Returns true if the session has data to send but queued in connection or

  // stream send buffer.

  bool wantsToWrite() override { return quic_session_.bytesToSend() > 0; }

protected:

  QuicFilterManagerConnectionImpl& quic_session_;

  Http::Http3::CodecStats& stats_;

};

} // namespace Quic

} // namespace Envoy