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#ifndef OPCUASERVERDISCOVERY_H
#define OPCUASERVERDISCOVERY_H

#include <QStandardItemModel>
#include <QtOpcUa/qopcuatype.h>
#include <QOpcUaApplicationDescription>
#include "opcuastatus.h"

QT_BEGIN_NAMESPACE

class OpcUaConnection;

class OpcUaServerDiscovery : public QStandardItemModel
{
    Q_OBJECT
    Q_PROPERTY(QString discoveryUrl READ discoveryUrl WRITE setDiscoveryUrl NOTIFY discoveryUrlChanged)
    Q_PROPERTY(int count READ count NOTIFY countChanged)
    Q_PROPERTY(OpcUaStatus status READ status NOTIFY statusChanged)
    Q_PROPERTY(OpcUaConnection* connection READ connection WRITE setConnection NOTIFY connectionChanged)

public:
    OpcUaServerDiscovery(QObject *parent = nullptr);
    ~OpcUaServerDiscovery();

    const QString &discoveryUrl() const;
    void setDiscoveryUrl(const QString &discoverUrl);
    int count() const;
    Q_INVOKABLE QOpcUaApplicationDescription at(int row) const;
    const OpcUaStatus &status() const;
    void setConnection(OpcUaConnection *);
    OpcUaConnection *connection();

signals:
    void discoveryUrlChanged();
    void serversChanged();
    void countChanged();
    void statusChanged();
    void connectionChanged(OpcUaConnection *);

private slots:
    void connectSignals();
    void handleServers(const QVector<QOpcUaApplicationDescription> &servers, QOpcUa::UaStatusCode statusCode, const QUrl &requestUrl);
    void startFindServers();

private:
    void clearData();

    QString m_discoveryUrl;
    OpcUaConnection *m_connection = nullptr;
    OpcUaStatus m_status;
};


QT_END_NAMESPACE

#endif // OPCUASERVERDISCOVERY_H