// SPDX-License-Identifier: LGPL-3.0-or-later

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea.
*
* nymea is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* nymea is distributed in the hope that 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nymea. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef ZIGBEEMANAGER_H
#define ZIGBEEMANAGER_H

#include <QObject>

#include <zigbeenetworkmanager.h>
#include <zigbeeuartadaptermonitor.h>

#include "zigbeeadapters.h"

namespace nymeaserver {

class ZigbeeManager : public QObject
{
    Q_OBJECT
public:
    enum ZigbeeNetworkState {
        ZigbeeNetworkStateOffline,
        ZigbeeNetworkStateStarting,
        ZigbeeNetworkStateUpdating,
        ZigbeeNetworkStateOnline,
        ZigbeeNetworkStateError
    };
    Q_ENUM(ZigbeeNetworkState)

    enum ZigbeeError {
        ZigbeeErrorNoError,
        ZigbeeErrorAdapterNotAvailable,
        ZigbeeErrorAdapterAlreadyInUse,
        ZigbeeErrorNetworkUuidNotFound,
        ZigbeeErrorDurationOutOfRange,
        ZigbeeErrorNetworkOffline,
        ZigbeeErrorUnknownBackend,
        ZigbeeErrorNodeNotFound,
        ZigbeeErrorForbidden,
        ZigbeeErrorInvalidChannel,
        ZigbeeErrorNetworkError,
        ZigbeeErrorTimeoutError,
        ZigbeeErrorNotSupported
    };
    Q_ENUM(ZigbeeError)

    // Node information
    enum ZigbeeNodeType {
        ZigbeeNodeTypeCoordinator,
        ZigbeeNodeTypeRouter,
        ZigbeeNodeTypeEndDevice
    };
    Q_ENUM(ZigbeeNodeType)

    enum ZigbeeNodeState {
        ZigbeeNodeStateUninitialized,
        ZigbeeNodeStateInitializing,
        ZigbeeNodeStateInitialized,
        ZigbeeNodeStateHandled
    };
    Q_ENUM(ZigbeeNodeState)

    explicit ZigbeeManager(QObject *parent = nullptr);

    bool available() const;
    bool enabled() const;

    ZigbeeAdapters availableAdapters() const;
    QHash<QUuid, ZigbeeNetwork *> zigbeeNetworks() const;

    QPair<ZigbeeError, QUuid> createZigbeeNetwork(const QString &serialPort, uint baudRate, ZigbeeAdapter::ZigbeeBackendType backendType, ZigbeeChannelMask channelMask = ZigbeeChannelMask(ZigbeeChannelMask::ChannelConfigurationAllChannels));
    ZigbeeError removeZigbeeNetwork(const QUuid &networkUuid);
    ZigbeeError setZigbeeNetworkPermitJoin(const QUuid &networkUuid, quint16 shortAddress = Zigbee::BroadcastAddressAllRouters, uint duration = 120);
    ZigbeeError factoryResetNetwork(const QUuid &networkUuid);
    ZigbeeError refreshNeighborTables(const QUuid &networkUuid);
    ZigbeeReply *createBinding(const QUuid &networkUuid, const ZigbeeAddress &sourceAddress, quint8 sourceEndpointId, quint16 clusterId, const ZigbeeAddress &destinationAddress, quint8 destinationEndpointId);

private:
    ZigbeeAdapters m_adapters;
    ZigbeeUartAdapterMonitor *m_adapterMonitor = nullptr;
    QHash<QUuid, ZigbeeNetwork *> m_zigbeeNetworks;

    bool m_available = false;
    bool m_autoSetupAdapters = false;

    void saveNetwork(ZigbeeNetwork *network);
    void loadZigbeeNetworks();
    void checkPlatformConfiguration();
    bool networkExistsForAdapter(const ZigbeeUartAdapter &uartAdapter);
    ZigbeeNetwork *createPlatformNetwork(const QString &serialPort, uint baudRate, Zigbee::ZigbeeBackendType backendType, ZigbeeChannelMask channelMask = ZigbeeChannelMask(ZigbeeChannelMask::ChannelConfigurationAllChannels));

    ZigbeeNetwork *buildNetworkObject(const QUuid &networkId, ZigbeeAdapter::ZigbeeBackendType backendType);
    void addNetwork(ZigbeeNetwork *network);

    ZigbeeAdapter convertUartAdapterToAdapter(const ZigbeeUartAdapter &uartAdapter);
    void evaluateZigbeeAvailable();
    void setupNodeSignals(ZigbeeNode *node);

signals:
    void availableChanged(bool available);

    void availableAdapterAdded(const ZigbeeAdapter &adapter);
    void availableAdapterRemoved(const ZigbeeAdapter &adapter);

    void zigbeeNetworkAdded(ZigbeeNetwork *zigbeeNetwork);
    void zigbeeNetworkRemoved(const QUuid networkUuid);
    void zigbeeNetworkChanged(ZigbeeNetwork *zigbeeNetwork);

    void nodeJoined(const QUuid &networkUuid, ZigbeeNode *node);
    void nodeAdded(const QUuid &networkUuid, ZigbeeNode *node);
    void nodeChanged(const QUuid &networkUuid, ZigbeeNode *node);
    void nodeRemoved(const QUuid &networkUuid, ZigbeeNode *node);
};

}

#endif // ZIGBEEMANAGER_H