/**
  * Websocket interface to the training area proxy
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2017-01-11
  */

#pragma once

#include <QObject>
#include <QQueue>
#include <QWebSocketServer>
#include <memory>
#include <TrainingAreaBase/training_area_telegrams.h>
#include <LtsCoordTrans/lts_coord_trans.h>

#include "logger.h"

namespace WirelessLocationSystem
{
class IsmHandler;
class WebSocketWrapper;
class WlsHandler;
class WlsParticipant;
class WlsParticipantHandler;

class WebSocketHandler : public QObject
{
  Q_OBJECT
public:
  explicit WebSocketHandler(QObject *parent = nullptr);
  ~WebSocketHandler();

  bool init(std::shared_ptr<WlsHandler> wlsHandler,
            std::shared_ptr<WlsParticipantHandler> participantHandler,
            std::shared_ptr<IsmHandler> ismHandler,
            quint16 listenPort);

  template <typename T>
  bool sendTelegram(const T *data, int exerciseId)
  {
    if (!data)
      return false;

    sendTelegramInternal(data,
                         TrainingAreaBase::TetraIcd::Constraints<T>::type(),
                         exerciseId);

    return true;
  }
  bool sendWlsStateReport(int exerciseId = 0);

public slots:
  void sendBinarySfmData(const WlsParticipant *participant);
  void sendDataCommunicationState(const WlsParticipant *participant);
  void sendGpsPositionUsage(const WlsParticipant *participant);
  void sendPosition(const WlsParticipant *participant);
  void forceSendPosition(const WlsParticipant *participant,
                         int moutObjectId, int moutRoomId);

private slots:
  void onNewConnection();
  void onTextMessageReceived(const QString &baJson);

signals:
  void signalBroadcastMessage(const QString &msg, int exerciseId);

private:
  template <typename T>
  void setPosition(T &tele, const WlsParticipant *participant);
  void sendTelegramInternal(const TrainingAreaBase::TetraIcd::TrainingAreaTelegram *data,
                            const QString &type, int exerciseId);
  void sendParticipantConnectionStates(int exerciseId);

  QWebSocketServer *m_webSocketServer;
  std::shared_ptr<WlsHandler> m_wlsHandler;
  std::shared_ptr<IsmHandler> m_ismHandler;
  std::shared_ptr<WlsParticipantHandler> m_participantHandler;

  LtsCoordTrans::UtmCoordinate m_basePoint;
  LOGGER_T m_logger;
};


} // namespace WirelessLocationSystem