#include "MainView.h"
#include <QApplication>
#include <QPushButton>
#include <QLabel>
#include <QVBoxLayout>

#include <QTimer>

#include "MyWebView.h"
#include "clientsiderender.h"
#include "pictureview.h"
#include "videoview.h"

#include "httpwrapper.h"


MainView::MainView(QWidget* parent)
 : QWidget(parent)
{
        this->resize(400,400);
        this->setWindowState( Qt::WindowFullScreen );

	qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );

        render = new ClientSideRender(this);
        render->setVisible( false );

        web = new MyWebView(this);
        web->setVisible( false);

        picture = new PictureView(this);
        picture->setVisible( true );

        video = new VideoView(this);
        video->setVisible(false);

	QVBoxLayout* layout = new QVBoxLayout();
        layout->addWidget(web,1);
        layout->addWidget(render,1);
        layout->addWidget(picture,1);
        layout->addWidget(video,1);
	layout->addStretch();
	layout->setContentsMargins(0,0,0,0);
        setLayout(layout);



	QTimer* timer = new QTimer(this);
	connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
        timer->start(100);

}


void MainView::onTimer()
{
    screenManager.timerTick();

    readXml();

    switchScreens();
}


bool MainView::readXml()
{
    const int TIMEOUT = 30*60*1000; // 30 minutter
    if ( lastXml.isNull() || lastXml.elapsed() > TIMEOUT) {
        qDebug() << "reread";
        xmlHandler.readXml( "http://infoscreen.sundhedhorsens.dk/infoscreen/screen_xml.php?screen_id=1" );

        lastXml = QTime::currentTime();

        screenItems = xmlHandler.getScreenSet();

        if ( currentItemIdx >= screenItems.size() )
            currentItemIdx = screenItems.size()-1; //avoid overflow


        return true;
    } else {
        return false;
    }
}

void MainView::switchScreens()
{

    if (lastScreenSwitch.isNull() || lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) {

        if (lastScreenSwitch.isNull())
            currentItemIdx = 0;
        else
            currentItemIdx = (currentItemIdx+1) % screenItems.size();
        currentItem = screenItems.at(currentItemIdx);
        picture->loadFromUrl( currentItem.url );

        lastScreenSwitch = QTime::currentTime();
    }
}