#ifndef _MAINWINDOW_H_
#define _MAINWINDOW_H_

#include <QtGui>
#include <QMainWindow>
#include "../net/client.h"
#include "../net/filedownloader.h"

class SessionNameWindow;
class ConnectionFrame;
class ListenServer;
class DiscoveryListener;
class HelpWindow;

namespace Ui{
	class MainWindow;
}

/**
 * Initializing MainWindow.
 * Handle ButtonEvents and initialize ListenServer.
 */
class MainWindow : public QMainWindow
{
	Q_OBJECT

public:

	MainWindow(QString ipListUrl, QWidget *parent = 0);
	~MainWindow();	

private:

	// Ui stuff
	Ui::MainWindow    *ui;
	SessionNameWindow *_sessionNameWindow;
	HelpWindow        *_helpWindow;
	QLabel            *_sessionNameLabel;
	int               _tbIconSize;
	Qt::ToolBarArea   _tbArea;
	int               _tileWidth, _tileHeight;
	ConnectionFrame   *_tutorFrame, *_selectedFrame;
	static const int  _tilesX = 9;
	static const int  _tilesY = 7;

	// Button block stuff
	QTimer              *_buttonLockTimer;
	QList<QAction*>     _lockingButtons;
	static const qint64 _buttonBlockTime = 600;

	// Management stuff
	enum class Mode {
		Broadcast,
		Multicast,
		LockedMulticast
	} _mode;
	Client * _streamingSource;
	QMap<int, Client*> _watchers;

	QList<ConnectionFrame*> _clientFrames;
	ListenServer            *_listenServer;
	DiscoveryListener       *_discoveryListener;
	FileDownloader          _fileDownloader;
	QStringList             _tutorList;

	static const QString sStrTutorNdef;
	static const QString sStrTutorOffline;
	static const QString sStrSourceNdef;
	static const QString sStrSourceOffline;
	static const QString sStrDestNdef;
	static const QString sStrDestOffline;
	static const QString sStrSourceDestSame;

	void placeFrameInFreeSlot(ConnectionFrame* frame);
	ConnectionFrame* createFrame();
	bool loadPosition(QSettings& settings, const QString& id, int& x, int& y);
	void savePosition(ConnectionFrame *cf);
	void changeProjection(Client *from, Mode mode = Mode::Broadcast, Client *to = NULL);
	void tellClientCurrentSituation(Client* client);
	bool isManagerMachine(Client* client);
	void reset();

	void closeEvent(QCloseEvent *e);
	void changeEvent(QEvent *e);
	void resizeEvent(QResizeEvent *e);
	void mouseReleaseEvent(QMouseEvent* e);

protected slots:
	void onTutorListDownloaded(QByteArray& tutorList);
	void onSessionNameClick();
	void onSessionNameUpdate();

	void onButtonLock(bool checked);
	void onButtonStudentToAll();
	void onButtonStudentToTutor();
	void onButtonStudentToTutorExclusive();
	void onButtonTutorToAll();
	void onButtonTutorToStudent();
	void onButtonStopProjection();

	void onButtonSetAsTutor();

	void onButtonExit();
	void onButtonHelp();
	void DisableButtons();
	void EnableButtons();
	// connection frame
	void onPlaceFrame(ConnectionFrame* frame);
	void onFrameClicked(ConnectionFrame* frame);
	// Net
	void onClientConnected(Client* client);
	void onClientAuthenticating(Client* client, ClientLogin* request);
	void onClientAuthenticated(Client* client);
	void onVncServerStateChange(Client* client);
	void onVncClientStateChange(Client* client);
};
#endif