#ifndef APPLICATION_H
#define APPLICATION_H

#include "Singleton.h"
#include <QObject>
#include <QPoint>
#include <QQmlEngine>

class QGuiApplication;
class DeviceConnection;
class VideoFrameProvider;
class H264Palyer;

class Application : public QObject {
    Q_OBJECT
    QML_NAMED_ELEMENT(App)
    QML_SINGLETON
    Q_PROPERTY(int DeviceWidth MEMBER DeviceWidth CONSTANT FINAL)
    Q_PROPERTY(bool currentOpenDoorAreaEnabled READ currentOpenDoorAreaEnabled WRITE setCurrentOpenDoorAreaEnabled
                   NOTIFY currentOpenDoorAreaEnabledChanged)
    Q_PROPERTY(QList<QPointF> currentOpenDoorAreaPoints READ currentOpenDoorAreaPoints WRITE
                   setCurrentOpenDoorAreaPoints NOTIFY currentOpenDoorAreaPointsChanged)
    Q_PROPERTY(bool currentShieldedAreaEnabled READ currentShieldedAreaEnabled WRITE setCurrentShieldedAreaEnabled
                   NOTIFY currentShieldedAreaEnabledChanged)
    Q_PROPERTY(QList<QPointF> currentShieldedAreaPoints READ currentShieldedAreaPoints WRITE
                   setCurrentShieldedAreaPoints NOTIFY currentShieldedAreaPointsChanged)
    Q_PROPERTY(bool currentAntiClipAreaEnabled READ currentAntiClipAreaEnabled WRITE setCurrentAntiClipAreaEnabled
                   NOTIFY currentAntiClipAreaEnabledChanged)
    Q_PROPERTY(QList<QPointF> currentAntiClipAreaPoints READ currentAntiClipAreaPoints WRITE
                   setCurrentAntiClipAreaPoints NOTIFY currentAntiClipAreaPointsChanged)
    friend class Amass::Singleton<Application>;

public:
    constexpr static int DeviceWidth = 640;
    bool currentOpenDoorAreaEnabled() const;
    void setCurrentOpenDoorAreaEnabled(bool enabled);
    QList<QPointF> currentOpenDoorAreaPoints() const;
    void setCurrentOpenDoorAreaPoints(const QList<QPointF> &points);

    bool currentShieldedAreaEnabled() const;
    void setCurrentShieldedAreaEnabled(bool enabled);
    QList<QPointF> currentShieldedAreaPoints() const;
    void setCurrentShieldedAreaPoints(const QList<QPointF> &points);

    bool currentAntiClipAreaEnabled() const;
    void setCurrentAntiClipAreaEnabled(bool enabled);
    QList<QPointF> currentAntiClipAreaPoints() const;
    void setCurrentAntiClipAreaPoints(const QList<QPointF> &points);

    Q_INVOKABLE void updateOpenDoorAreaPoints(const QList<QPointF> &points);
    Q_INVOKABLE void updateAntiClipAreaPoints(const QList<QPointF> &points);
    Q_INVOKABLE void updateShieldedAreaPoints(const QList<QPointF> &points);

    int exec();
    Q_INVOKABLE void open();
    Q_INVOKABLE void start();
    static Application *create(QQmlEngine *qmlEngine, QJSEngine *jsEngine);

signals:
    void newVideoFrame();
    void currentOpenDoorAreaPointsChanged();
    void currentShieldedAreaPointsChanged();
    void currentAntiClipAreaPointsChanged();
    void currentOpenDoorAreaEnabledChanged();
    void currentShieldedAreaEnabledChanged();
    void currentAntiClipAreaEnabledChanged();

protected:
    Application(int &argc, char **argv);
    void onDeviceOpenDoorArea(bool enabled, const QList<QPointF> &points);
    void onDeviceShieldedArea(bool enabled, const QList<QPointF> &points);
    void onDeviceAntiClipArea(bool enabled, const QList<QPointF> &points);

private:
    std::shared_ptr<QGuiApplication> m_app;
    VideoFrameProvider *m_videoFrameProvider = nullptr;
    std::shared_ptr<H264Palyer> m_player;
    DeviceConnection *m_device = nullptr;

    bool m_currentOpenDoorAreaEnabled = false;
    QList<QPointF> m_currentOpenDoorAreaPoints;
    bool m_currentShieldedAreaEnabled = false;
    QList<QPointF> m_currentShieldedAreaPoints;
    bool m_currentAntiClipAreaEnabled = false;
    QList<QPointF> m_currentAntiClipAreaPoints;
};

#endif // APPLICATION_H