/**
  * @RDE_HEADER@
  * The ConnectionHandler class functions as a WebSocket server and manages incoming client connections.
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Hannes Fritsche, SLSE, 2017-09-07
  */
#pragma once

#include <QtNetwork/QHostAddress>
#include <QtWebSockets/qwebsocketprotocol.h>

#include "../Messages/reply_message.h"
#include "logger.h"

class QWebSocketServer;

namespace CombatNetRadio
{
namespace WebSocketInterface
{
namespace Messages
{
class MessageTransmitter;
}
namespace Connection
{
class ClientConnection;

class ConnectionHandler
  : public QObject
{
  Q_OBJECT
public:
  explicit ConnectionHandler();
  ~ConnectionHandler();

  bool init();

Q_SIGNALS:
  void newTextMessageFromClient(Messages::MessageTransmitter *transmitter, const QString &message);
  void lastConnectionClosed();
  void newClientConnection(qint64 id);
  void clientConnectionClosed(qint64 id);
  void clearFrequencyPlanningStatus();

public Q_SLOTS:
  void onUpdate();
  void onPositions(const Messages::ReplyMessage &positionsCnr);

private Q_SLOTS:
  void onNewMessage(Messages::MessageTransmitter *transmitter, const QString &message);
  void onServerError(QWebSocketProtocol::CloseCode closeCode);
  void onNewConnection();
  void onDisconnected(ClientConnection *conn);

private: // attributes
  QWebSocketServer *m_server;
  QVector<ClientConnection *> m_connections;

  LOGGER_T m_logger;
};
} // namespace Connection
} // namespace WebSocketInterface
} // namespace CombatNetRadio