#ifndef VIDEOVIEWERWIDGET_H
#define VIDEOVIEWERWIDGET_H

#include <QWidget>
#include <QPushButton>
#include <QComboBox>
#include <QLineEdit>
#include <QLabel>
#include <gst/gst.h>

class VideoViewerWidget : public QWidget
{
    Q_OBJECT

public:
    explicit VideoViewerWidget(QWidget *parent = nullptr);
    ~VideoViewerWidget();

protected:
    void showEvent(QShowEvent* event) override;

private slots:
    void onStartViewer();
    void onStopViewer();
    void onSourceTypeChanged(int index);

private:
    void setupUI();
    void initGStreamer();
    void cleanupGStreamer();
    void startPipeline();
    void stopPipeline();
    QString buildPipelineString();
    void setupVideoOverlay();

    static gboolean busCallback(GstBus* bus, GstMessage* msg, gpointer data);
    static void onPrepareWindowHandle(GstBus* bus, GstMessage* msg, gpointer data);

    // UI elements
    QWidget* m_videoContainer;
    QPushButton* m_startBtn;
    QPushButton* m_stopBtn;
    QComboBox* m_sourceType;
    QLineEdit* m_hostEdit;
    QLineEdit* m_portEdit;
    QLabel* m_statusLabel;

    // GStreamer elements
    GstElement* m_pipeline;
    GstElement* m_videoSink;
    guint m_busWatchId;
    WId m_windowId;
};

#endif // VIDEOVIEWERWIDGET_H