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* Copyright 2013 - 2022, nymea GmbH
* Contact: contact@nymea.io
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* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU Lesser General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
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* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
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#ifndef GOEDISCOVERY_H
#define GOEDISCOVERY_H

#include <QObject>
#include <QDebug>

#include <network/networkaccessmanager.h>
#include <network/networkdevicediscovery.h>

class GoeDiscovery : public QObject
{
    Q_OBJECT
public:
    typedef struct Result {
        QString product = "go-eCharger";
        QString manufacturer = "go-e";
        QString friendlyName;
        QString serialNumber;
        QString firmwareVersion;
        NetworkDeviceInfo networkDeviceInfo;
        bool apiAvailableV1 = false;
        bool apiAvailableV2 = false;
    } Result;

    explicit GoeDiscovery(NetworkAccessManager *networkAccessManager, NetworkDeviceDiscovery *networkDeviceDiscovery, QObject *parent = nullptr);
    ~GoeDiscovery();

    void startDiscovery();

    QList<GoeDiscovery::Result> discoveryResults() const;

    static QNetworkRequest buildRequestV1(const QHostAddress &address);
    static QNetworkRequest buildRequestV2(const QHostAddress &address);

signals:
    void discoveryFinished();

private:
    QDateTime m_startDateTime;
    NetworkAccessManager *m_networkAccessManager = nullptr;
    NetworkDeviceDiscovery *m_networkDeviceDiscovery = nullptr;
    NetworkDeviceDiscoveryReply *m_discoveryReply = nullptr;

    QHash<QHostAddress, GoeDiscovery::Result> m_discoveryResults;
    NetworkDeviceInfos m_discoveredNetworkDeviceInfos;
    NetworkDeviceInfos m_verifiedNetworkDeviceInfos;
    QList<QNetworkReply *> m_pendingReplies;

private slots:
    void checkNetworkDevice(const NetworkDeviceInfo &networkDeviceInfo);
    void checkNetworkDeviceApiV1(const NetworkDeviceInfo &networkDeviceInfo);
    void checkNetworkDeviceApiV2(const NetworkDeviceInfo &networkDeviceInfo);

    void cleanupPendingReplies();

    void finishDiscovery();
};

QDebug operator<<(QDebug debug, const GoeDiscovery::Result &result);

#endif // GOEDISCOVERY_H
