#ifndef OMOBIDISPLAYBACKEND_H
#define OMOBIDISPLAYBACKEND_H

#include <QObject>
#include <QJsonDocument>

#include <qbluetoothleuart.h>
#include <omobidisplaytextmodel.h>

class OmobiDisplayBackend : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QBluetoothLeUart* bleController READ getBleController NOTIFY bleControllerChanged)
    Q_PROPERTY(OmobiDisplayAppState state READ getState WRITE setState NOTIFY stateChanged)
    Q_PROPERTY(OmobiDisplayTextModel* displayTextModel READ getDisplayTextModel NOTIFY displayTextModelChanged)
    Q_PROPERTY(int displayBrightness READ getDisplayBrightness WRITE setDisplayBrightness NOTIFY displayBrightnessChanged)

public:
    explicit OmobiDisplayBackend(QObject *parent = nullptr);

    enum OmobiDisplayAppState {
        Idle,
        Scanning,
        ReadyToConnect,
        Connecting,
        Connected
    };
    Q_ENUM(OmobiDisplayAppState)

    typedef struct text_set_t
    {
        const char text[5];
        uint time_ms;
        uint color;
        bool text_scroll;
        uint text_scroll_pass;
        bool active;
    } text_set_t;

private:
    OmobiDisplayAppState state;
    QBluetoothLeUart *ble;
    OmobiDisplayTextModel* displayTextModel;
    int displayBrightness;

public slots:
    Q_INVOKABLE void startScanning();
    Q_INVOKABLE QBluetoothLeUart* getBleController();
    Q_INVOKABLE OmobiDisplayAppState getState();
    Q_INVOKABLE OmobiDisplayTextModel* getDisplayTextModel();
    Q_INVOKABLE int getDisplayBrightness();
    Q_INVOKABLE void setDisplayBrightness(int brightness);

private slots:
    void handleBluetoothStateChange(QBluetoothLeUart::BluetoothLeUartState state);
    void handleFoundNewDevice(QBluetoothLeUartDevice* device);
    void DataHandler(QString s);
    void handleBluetoothDeviceConected();

    void handleDisplayTextModelDataChanged();

    void setState(OmobiDisplayAppState state);

signals:
    void stateChanged();
    void bleControllerChanged();
    void displayTextModelChanged();
    void displayBrightnessChanged();

};

#endif // OMOBIDISPLAYBACKEND_H