#ifndef HANDWRITINGENGINE_H
#define HANDWRITINGENGINE_H

#include <QObject>
#include <QUrl>
#include <QByteArray>
#include <QtProtobufTypes>

#include "matrix.h"

#include <memory>

namespace handwriting {
    class HandwritingClient;
}
class HandwritingEngine final : public QObject
{
    Q_OBJECT
    Q_PROPERTY(int result READ result WRITE setResult NOTIFY resultChanged)
    Q_PROPERTY(handwriting::Matrix *matrix READ matrix CONSTANT)
public:
    explicit HandwritingEngine(QObject *parent = nullptr);
    virtual ~HandwritingEngine() = default;

    Q_INVOKABLE void recognize();
    Q_INVOKABLE void setNeuralNetworkData(const QString &networkDataPath);
    Q_INVOKABLE void updateValue(int index, double value);

    int result() const
    {
        return m_result;
    }

    handwriting::Matrix *matrix()
    {
        return &m_matrix;
    }

public slots:
    void setResult(int result)
    {
        if (m_result == result)
            return;

        m_result = result;
        emit resultChanged(m_result);
    }

signals:
    void resultChanged(int result);

private:
    std::shared_ptr<handwriting::HandwritingClient> m_client;
    int m_result;
    QtProtobuf::DoubleList m_data;
    handwriting::Matrix m_matrix;
};

#endif // HANDWRITINGENGINE_H