#ifndef CLIENT_H_
#define CLIENT_H_

#include <QtCore>
#include <QHostAddress>
#include <QAbstractSocket>
#include <QSslSocket>
#include <QSslError>
#include "../../shared/networkmessage.h"

//class QSslSocket;

struct ClientLogin
{
	bool accept;
	QString name;
	QString host;
	QString ip;
};


class Client : public QObject
{
	Q_OBJECT

public:
	explicit Client(QSslSocket* socket);
	~Client();

	// Getters
	inline const bool     isAuthed() const { return _authed == 2; }
	inline const QString& name() const { return _name; }
	inline const QString& host() const { return _host; }
	inline const QString  ip() const { return _socket->peerAddress().toString(); }
	inline const int      id() const { return _id; }
	inline const int      currentProjectionSource() const { return _currentProjectionSource; }
	inline const bool     isActiveVncClient() const { return _currentProjectionSource > 0; }
	inline const bool     isActiveVncServer() const { return _vncPort > 0; }
	inline const bool     isLocked() const { return _locked; }

	// Setters
	inline void setTutor(bool enable){ _isTutor = enable; }

	//Send message stuff
	void startVncServer();
	void stopVncServer();
	void startVncClient(Client const * const to );
	void stopVncClient();
	void lockScreen(bool);
	void requestThumb(const int width, const int height);

private:

	QSslSocket * const _socket;
	bool           _locked;
	int            _authed; // 0 = challenge sent, awaiting reply 1 = challenge ok, client challenge replied, awaiting login, 2 = ESTABLISHED
	QString        _name;
	QString        _host;
	QByteArray     _challenge;
	qint64         _pingTimeout;
	NetworkMessage _fromClient;
	int            _timerIdAuthTimeout, _timerPingTimeout;
	int            _id; // this client's unique id
	QString        _vncRwPass, _vncRoPass;
	int            _vncPort; // VNCserver state. Greater 0 -> active on this port. Equals 0 -> no server.
	int            _currentProjectionSource; // VNCclient state. indicating that the client is displaying a remote screen via VNC
	bool           _isTutor; // Flag indicating that the client has been set as a tutor

	static int     _clientIdCounter;

	void handleMsg();
	void sendMessage(NetworkMessage& message);

protected:
	void timerEvent(QTimerEvent* event);

signals:
	void authenticating(Client* client, ClientLogin* request);
	void authenticated(Client* client);
	void thumbUpdated(Client* client, const QPixmap& thumb);
	void vncServerStateChange(Client* client);
	void vncClientStateChange(Client* client);
	void stateChanged();
	void disconnected();

private slots:
	void onDataArrival(); // triggered if data is available for reading
	void disconnect();

};

#endif /* CLIENT_H_ */