#include <QApplication>
#include <QMainWindow>
#include <QLabel>
#include <QGridLayout>
#include <QTimer>

#include "main.h"
#include "ui_mainwindow.h"

#include "glwidget.h"
#include "widget.h"

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
//////	TerraDockWidget
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////
/// All UI elements get created, initialized and connected.
///
/// @param parent QWidget* the parent widget
///
/// @date
/// 2016-07-29 (created by KTH)
///////////////////////////////////////////////////////////////////////////////
TerraDockWidget::TerraDockWidget(const QString &title, QWidget * parent, Qt::WindowFlags flags)
    : QDockWidget(title, parent, flags)
    , maxButton(NULL)
{
    init();
}

///////////////////////////////////////////////////////////////////////////////
/// @date
/// 2016-08-03 (created by KTH)
///////////////////////////////////////////////////////////////////////////////
void TerraDockWidget::init()
{
    QWidget* widget = new QWidget(this);
    this->setWidget(widget);

    Widget *native = new Widget(&helper, widget);
    GLWidget *openGL = new GLWidget(&helper, widget);
    QLabel *nativeLabel = new QLabel(tr("Native"));
    nativeLabel->setAlignment(Qt::AlignHCenter);
    QLabel *openGLLabel = new QLabel(tr("OpenGL"));
    openGLLabel->setAlignment(Qt::AlignHCenter);
    maxButton = new QPushButton("Maximize", widget);
    QObject::connect(maxButton, &QPushButton::clicked, this, &TerraDockWidget::maximizeDock);

    QGridLayout *layout = new QGridLayout;
    layout->addWidget(native, 0, 0);
    layout->addWidget(openGL, 0, 1);
    layout->addWidget(nativeLabel, 1, 0);
    layout->addWidget(openGLLabel, 1, 1);
    layout->addWidget(maxButton, 2, 1);
    widget->setLayout(layout);

    openGL->winId();

    QTimer *timer = new QTimer(this);
    connect(timer, &QTimer::timeout, native, &Widget::animate);
    connect(timer, &QTimer::timeout, openGL, &GLWidget::animate);
    timer->start(50);
}

void TerraDockWidget::maximizeDock()
{
    if (isMaximized())
    {
        setWindowState(Qt::WindowNoState);
        maxButton->setText("Maximize");
    }
    else
    {
        setWindowState(Qt::WindowMaximized);
        maxButton->setText("Normal");
    }
}

class MainWindow : public QMainWindow
{
public:
    explicit MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
private:
    /// The UI object
    Ui::MainWindow				ui;
};

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent)
{
    ui.setupUi(this);
    this->setCentralWidget(NULL);

    TerraDockWidget* dockWidget = new TerraDockWidget("New Dock1");
    addDockWidget(Qt::RightDockWidgetArea, dockWidget);
    this->show();
}

MainWindow::~MainWindow()
{
}

int main(int argc, char *argv[])
{
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);

    QApplication app( argc, argv );
    app.connect( &app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()) );
    MainWindow * myMainWindow = new MainWindow();
    return app.exec();
}