#pragma once

#include "lts_projection_workstation_export.h"
#include "vnc_server_manager.h"
#include "WebSocket/messages.h"
#include "logger.h"

#include <LtsWebSocket/client_connection.h>

#include <QObject>
#include <QPair>

namespace LtsWebSocket { class LtsWebSocketServer; }
namespace LtsProjectionWorkstation
{

struct LoginInformation
{
  LoginInformation() = default;
  LoginInformation(int userId, int priority, int exerciseId, const QByteArray &settingsData)
    : m_settingsData(settingsData), m_userId(userId), m_priority(priority), m_exerciseId(exerciseId) {}

  QByteArray m_settingsData;
  int m_userId = 0;
  int m_priority = 0;
  int m_exerciseId = 0;
};

class MessageFactory;
class LTSPROJECTIONWORKSTATION_EXPORT LtsProjectionWorkstation : public QObject, public AbstractMessageHandler
{
  Q_OBJECT

public:
  static LtsProjectionWorkstation *getInstance();
  static bool hasInstance();

  const LoginInformation &lastLoginRequest() const { return m_lastLoginRequest; }
  LoginInformation pendingLoginRequest();
  bool hasPendingLoginRequest() const { return !!m_pendingLoginRequest; }
  void setProjectionOperatorPreset(const QString &operatorName, const QString &operatorPassword);
  const QPair<QString, QString> &projectionOperatorPreset() const { return m_projectionOperatorPreset; }

  
  void handleMessage(LtsWebSocket::AbstractClientMessage *message) override final;

public slots:
  void slotLoginRequestReceived(int userId, int exerciseId);
  void slotLogoutRequestReceived();

  void slotLogoffDone();

signals:
  void signalLoginRequestReceived(int userId, int exerciseId);
  void signalLogoutRequestReceived();

private slots:
  void clientDisconnected(LtsWebSocket::ClientConnection* client);
  void clientConnected(LtsWebSocket::ClientConnection* client);

private:
  explicit LtsProjectionWorkstation(QObject *parent = nullptr);
  ~LtsProjectionWorkstation();
  static void cleanupLtsProjectionWorkstation();

  LOGGER_T  m_logger;
  MessageFactory *m_messageFactory;
  LtsWebSocket::LtsWebSocketServer *m_webSocketServer;


  LoginInformation m_lastLoginRequest;

  LoginInformation *m_pendingLoginRequest;
  QPair<QString , QString > m_projectionOperatorPreset;

  QVector<LtsWebSocket::ClientConnection*> m_connections;

  VncServerManager *m_vncManager;
}; 

}