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* Copyright 2013 - 2020, nymea GmbH
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* 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
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* GNU Lesser General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
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#ifndef HOMECONNECT_H
#define HOMECONNECT_H

#include <QObject>
#include <QTimer>

#include "network/networkaccessmanager.h"

class HomeConnect : public QObject
{
    Q_OBJECT
public:
    enum Type {

    };

    struct HomeAppliance {
        QString name;
        QString brand;
        QString typeCode;
        bool connected;
        QString type;
    };
    HomeConnect(NetworkAccessManager *networkmanager,  const QByteArray &clientKey,  const QByteArray &clientSecret, QObject *parent = nullptr);
    QByteArray accessToken();
    QByteArray refreshToken();

    QUrl getLoginUrl(const QUrl &redirectUrl, const QString &scope);
    void checkStatusCode(int status, const QByteArray &payload);
    void getAccessTokenFromRefreshToken(const QByteArray &refreshToken);
    void getAccessTokenFromAuthorizationCode(const QByteArray &authorizationCode);

    void getHomeAppliances();
    void getHomeAppliance(const QString &haid);

private:
    QByteArray m_baseAuthorizationUrl = "https://api.home-connect.com/security/oauth/authorize";
    QByteArray m_baseTokenUrl = "https://api.home-connect.com/security/oauth/token";
    QByteArray m_baseControlUrl = "https://api.home-connect.com";
    QByteArray m_clientKey;
    QByteArray m_clientSecret;

    QByteArray m_accessToken;
    QByteArray m_refreshToken;
    QByteArray m_redirectUri  = "https://127.0.0.1:8888";
    QString m_codeChallenge;

    NetworkAccessManager *m_networkManager = nullptr;
    QTimer *m_tokenRefreshTimer = nullptr;

private slots:
    void onRefreshTimeout();

signals:
    void connectionChanged(bool connected);
    void authenticationStatusChanged(bool authenticated);
    void actionExecuted(QUuid actionId,bool success);

    void receivedHomeAppliances(const QList<HomeAppliance> &appliances);
};
#endif // HOMECONNECT_H