/*
 * toolbar.cpp
 *
 *  Created on: 21.01.2013
 *      Author: sr
 */

#include "../../shared/settings.h"
#include "../net/serverconnection.h"
#include "../vnc/vncwindow.h"
#include "../vnc/vncserver.h"

#include "toolbar.h"
#include "ui_toolbar.h"

Toolbar::Toolbar(QWidget *parent) :
	QWidget(parent), _ui(new Ui::Toolbar), _location(POSITION_TOP_CENTER),
	_hideTimer(0), _connection(NULL)
{
	// Initialize the GUI
	_ui->setupUi(this);

//	QWidget *firstPageWidget = new QWidget;
//	QWidget *secondPageWidget = new QWidget;

//	QStackedLayout *stackedLayout = new QStackedLayout;
//	stackedLayout->addWidget(firstPageWidget);
//	stackedLayout->addWidget(secondPageWidget);

//	QVBoxLayout *mainLayout = new QVBoxLayout;
//	mainLayout->addLayout(stackedLayout);
//	setLayout(mainLayout);





	setWindowFlags(Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint | Qt::FramelessWindowHint);
	setAttribute(Qt::WA_AlwaysShowToolTips);
	setAttribute(Qt::WA_QuitOnClose);
	setVisible(true);

	// VNC Window
	_vnc = new VncWindow(NULL);
	// Connect window
	_connectWindow = new ConnectWindow(NULL);
	connect(_connectWindow, SIGNAL(disconnect()), this, SLOT(onDoDisconnect()));
	connect(_connectWindow, SIGNAL(connected(ServerConnection*)), this, SLOT(onConnected(ServerConnection*)));
    connect(VncServer::instance(), SIGNAL(started(int, QString&, QString&)), this, SLOT(onVncServerIsRunning(int, QString&, QString&)));
	//
	setupMenu();
	setLocation();
	hideBar();
}

void Toolbar::setupMenu()
{
	_menu = new QMenu(this);
	// setup actions
	_acnDisconnect = new QAction(tr("Set &session ID"), this);
	//_acnDisconnect->setEnabled(false);
	_acnQuit = new QAction(tr("&Quit"), this);

	// setup menu
	_menu->addAction(_acnDisconnect);
	_menu->addSeparator();
	_menu->addAction(_acnQuit);

	_ui->cmdMenu->setMenu(_menu);

	connect(_acnQuit, SIGNAL(triggered()), this, SLOT(onQuit()));
	connect(_acnDisconnect, SIGNAL(triggered()), _connectWindow, SLOT(show()));
}

Toolbar::~Toolbar()
{
	VncServer::instance()->stop();
	_vnc->deleteLater();
	_connectWindow->deleteLater();
	delete _ui;
}

//###########\\/\/

void Toolbar::setLocation()
{
	const QDesktopWidget desktop;
	const QRect primaryScreen = desktop.screenGeometry();
	switch (_location)
	{
	case POSITION_TOP_LEFT:
		move(primaryScreen.left(), primaryScreen.top());
		break;
	case POSITION_TOP_CENTER:
		move((primaryScreen.width() - this->width()) / 2 + primaryScreen.left(), primaryScreen.top());
		break;
	case POSITION_TOP_RIGHT:
		move(primaryScreen.right() - width(), primaryScreen.top());
		break;
	case POSITION_BOTTOM_LEFT:
		move(primaryScreen.left(), primaryScreen.bottom() - height());
		break;
	case POSITION_BOTTOM_CENTER:
		move((primaryScreen.width() - this->width()) / 2 + primaryScreen.left(), primaryScreen.bottom() - height());
		break;
	case POSITION_BOTTOM_RIGHT:
		move(primaryScreen.right() - width(), primaryScreen.bottom() - height());
		break;
	default:
		break;
	}
}

void Toolbar::setBarVisible(bool shown)
{
	const QDesktopWidget desktop;
	const QRect primaryScreen = desktop.screenGeometry();
	if (!shown)
	{
		if (_location <= POSITION_TOP_RIGHT)
			move(x(), primaryScreen.top() + 2 - height());
		else
			move(x(), primaryScreen.bottom() - 2);
	}
	else
	{
		if (_location <= POSITION_TOP_RIGHT)
			move(x(), primaryScreen.top());
		else
			move(x(), primaryScreen.bottom() - height());
	}
}

bool Toolbar::hideBar()
{
    // Don't hide window if any menu is open or VNC Server is running from this client.
    if (_menu->isVisible() || VncServer::instance()->isVncServerRunning())
		return false;
	setBarVisible(false);
	return true;
}

/*
 * Override
 */

void Toolbar::leaveEvent(QEvent* e)
{
	if (_hideTimer == 0)
		_hideTimer = startTimer(100);
	_hideDelay = 6;
	QWidget::leaveEvent(e);
}

void Toolbar::enterEvent(QEvent* e)
{
	if (_hideTimer != 0)
	{
		killTimer(_hideTimer);
		_hideTimer = 0;
	}
	setBarVisible(true);
	QWidget::enterEvent(e);
}

void Toolbar::timerEvent(QTimerEvent* event)
{
	if (event->timerId() == _hideTimer)
	{
		if (--_hideDelay <= 0)
		{
			if (hideBar())
			{
				killTimer(_hideTimer);
				_hideTimer = 0;
			}
		}
	}
}

/*
 * Slots
 */

void Toolbar::onVncServerIsRunning(int port, QString&, QString&)
{
    if (port > 0)
    {
        setBarVisible(true);
        return;
    }
    hideBar();
    return;
}

void Toolbar::onDisconnected()
{
	_connectWindow->setConnected(false);
	if (_connection != NULL)
		_connection->blockSignals(true);
	_connection = NULL;
	_ui->lblStatus->setStyleSheet("color:red");
	_ui->lblStatus->setText(tr("Offline"));
}

void Toolbar::onConnected(ServerConnection* connection)
{
	_ui->lblStatus->setStyleSheet("color:green");
	_ui->lblStatus->setText(tr("Online"));
	//
	if (_connection != NULL)
	{
		disconnect(_connection, SIGNAL(disconnected()), this, SLOT(onDisconnected()));
		_connection->blockSignals(true);
		_connection->disconnectFromServer();
	}
	_connection = connection;
	connect(_connection, SIGNAL(disconnected()), this, SLOT(onDisconnected()));
	connect(_connection, SIGNAL(openVnc(const QString&, int, const QString&, bool, bool, const QString&, const int)),
		_vnc, SLOT(open(const QString&, int, const QString&, bool, bool, const QString&, const int)));
	connect(_connection, SIGNAL(closeVnc()), _vnc, SLOT(close()));
	connect(_vnc, SIGNAL(running(const bool, const int)), _connection, SLOT(onVncViewerStartStop(const bool, const int)));
	_connectWindow->setConnected(true);
}

void Toolbar::onDoDisconnect()
{
	if (_connection != NULL)
		_connection->disconnectFromServer();
}

void Toolbar::onQuit()
{
	QApplication::exit(0);
}