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*
* Copyright 2013 - 2020, nymea GmbH
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*
* GNU Lesser General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the terms of the GNU
* Lesser General Public License as published by the Free Software Foundation; version 3.
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* See the GNU Lesser General Public License for more details.
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#include "zigbeeutils.h"
#include "zigbeenetwork.h"
#include "zigbeecluster.h"
#include "loggingcategory.h"
#include "zigbeenetworkreply.h"
#include "zigbeeclusterlibrary.h"
#include "zigbeenetworkrequest.h"

#include <QDataStream>

ZigbeeCluster::ZigbeeCluster(ZigbeeNetwork *network, ZigbeeNode *node, ZigbeeNodeEndpoint *endpoint, Zigbee::ClusterId clusterId, Direction direction, QObject *parent) :
    QObject(parent),
    m_network(network),
    m_node(node),
    m_endpoint(endpoint),
    m_clusterId(clusterId),
    m_direction(direction)
{
    qCDebug(dcZigbeeCluster()) << "Create cluster" << ZigbeeUtils::convertUint16ToHexString(clusterId) << direction;
}

ZigbeeCluster::Direction ZigbeeCluster::direction() const
{
    return m_direction;
}

Zigbee::ClusterId ZigbeeCluster::clusterId() const
{
    return m_clusterId;
}

QString ZigbeeCluster::clusterName() const
{
    return ZigbeeUtils::clusterIdToString(static_cast<Zigbee::ClusterId>(m_clusterId));
}

QList<ZigbeeClusterAttribute> ZigbeeCluster::attributes() const
{
    return m_attributes.values();
}

bool ZigbeeCluster::hasAttribute(quint16 attributeId) const
{
    if (m_attributes.keys().isEmpty())
        return false;

    return m_attributes.keys().contains(attributeId);
}

ZigbeeClusterAttribute ZigbeeCluster::attribute(quint16 id)
{
    return m_attributes.value(id);
}

void ZigbeeCluster::setAttribute(const ZigbeeClusterAttribute &attribute)
{
    if (hasAttribute(attribute.id())) { 
        qCDebug(dcZigbeeCluster()) << this << "update attribute" << attribute;
        m_attributes[attribute.id()] = attribute;
        emit attributeChanged(attribute);
    } else {
        qCDebug(dcZigbeeCluster()) << this << "add attribute" << attribute;
        m_attributes.insert(attribute.id(), attribute);
        emit attributeChanged(attribute);
    }
}

ZigbeeNetworkReply *ZigbeeCluster::readAttributes(QList<quint16> attributes)
{
    // Build the request
    ZigbeeNetworkRequest request;
    request.setRequestId(m_network->generateSequenceNumber());
    request.setDestinationAddressMode(Zigbee::DestinationAddressModeShortAddress);
    request.setDestinationShortAddress(static_cast<quint16>(m_node->shortAddress()));
    request.setProfileId(m_endpoint->profile());
    request.setClusterId(m_clusterId);
    request.setSourceEndpoint(m_endpoint->endpointId());
    request.setRadius(10);

    // Build ZCL frame
    ZigbeeClusterLibrary::FrameControl frameControl;
    frameControl.frameType = ZigbeeClusterLibrary::FrameTypeGlobal; // Note: for general commands always use global
    frameControl.disableDefaultResponse = true;

    // ZCL header
    ZigbeeClusterLibrary::Header header;
    header.frameControl = frameControl;
    header.command = ZigbeeClusterLibrary::CommandReadAttributes;
    header.transactionSequenceNumber = m_network->generateTranactionSequenceNumber();

    // ZCL payload
    QByteArray payload;
    QDataStream stream(&payload, QIODevice::WriteOnly);
    stream.setByteOrder(QDataStream::LittleEndian);
    foreach (quint16 attribute, attributes) {
        stream << attribute;
    }

    // Put them together
    ZigbeeClusterLibrary::Frame frame;
    frame.clusterId = m_clusterId;
    frame.header = header;
    frame.payload = payload;

    request.setTxOptions(Zigbee::ZigbeeTxOptions(Zigbee::ZigbeeTxOptionAckTransmission));
    request.setAsdu(ZigbeeClusterLibrary::buildFrame(frame));

    qCDebug(dcZigbeeCluster()) << "Send read attributes request" << m_node << m_endpoint << this << attributes;
    return m_network->sendRequest(request);
}

QDebug operator<<(QDebug debug, ZigbeeCluster *cluster)
{
    debug.nospace().noquote() << "ZigbeeCluster("
                              << ZigbeeUtils::convertUint16ToHexString(static_cast<quint16>(cluster->clusterId())) << ", "
                              << cluster->clusterName() << ", "
                              << cluster->direction()
                              << ")";

    return debug.space();
}

QDebug operator<<(QDebug debug, const ZigbeeClusterAttributeReport &attributeReport)
{
    debug.nospace().noquote() << "AttributeReport("
                              << attributeReport.clusterId << ", "
                              << attributeReport.attributeId << ", "
                              << attributeReport.attributeStatus << ", "
                              << attributeReport.dataType << ", "
                              << attributeReport.data << ", "
                              << ")";

    return debug.space();
}