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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
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#include "integrationpluginsma.h"
#include "plugininfo.h"

IntegrationPluginSma::IntegrationPluginSma()
{

}

void IntegrationPluginSma::discoverThings(ThingDiscoveryInfo *info)
{
    if (info->thingClassId() == sunnyWebBoxThingClassId) {

        Discovery *discovery = new Discovery(this);
        discovery->discoverHosts(25);

        // clean up discovery object when this discovery info is deleted
        connect(info, &ThingDiscoveryInfo::destroyed, discovery, &Discovery::deleteLater);
        connect(discovery, &Discovery::finished, info, [this, info](const QList<Host> &hosts) {
            qCDebug(dcSma()) << "Discovery finished. Found" << hosts.count() << "devices";
            foreach (const Host &host, hosts) {
                if (host.hostName().contains("SMA")){
                    ThingDescriptor descriptor(info->thingClassId(), host.hostName(), host.address() + " (" + host.macAddress() + ")");

                    foreach (Thing *existingThing, myThings()) {
                        if (existingThing->paramValue(sunnyWebBoxThingMacAddressParamTypeId).toString() == host.macAddress()) {
                            descriptor.setThingId(existingThing->id());
                            break;
                        }
                    }
                    ParamList params;
                    params << Param(sunnyWebBoxThingMacAddressParamTypeId, host.macAddress());
                    params << Param(sunnyWebBoxThingHostParamTypeId, host.address());
                    descriptor.setParams(params);

                    info->addThingDescriptor(descriptor);
                }
            }
            info->finish(Thing::ThingErrorNoError);
        });
    }
}

void IntegrationPluginSma::setupThing(ThingSetupInfo *info)
{
    Thing *thing = info->thing();
    qCDebug(dcSma()) << "Setup thing" << thing->name();

    if (!m_refreshTimer) {
        qCDebug(dcSma()) << "Starting refresh timer";
        m_refreshTimer = hardwareManager()->pluginTimerManager()->registerTimer(1);
        connect(m_refreshTimer, &PluginTimer::timeout, this, &IntegrationPluginSma::onRefreshTimer);
    }

    if (thing->thingClassId() == sunnyWebBoxThingClassId) {
        //check if a Sunny WebBox is already added with this IPv4Address
        foreach(SunnyWebBox *sunnyWebBox, m_sunnyWebBoxes.values()) {
            if(sunnyWebBox->hostAddress().toString() == thing->paramValue(sunnyWebBoxThingHostParamTypeId).toString()){
                //this logger at this IPv4 address is already added
                qCWarning(dcSma()) << "thing at " << thing->paramValue(sunnyWebBoxThingHostParamTypeId).toString() << " already added!";
                info->finish(Thing::ThingErrorThingInUse);
                return;
            }
        }
        if (m_sunnyWebBoxes.contains(thing)) {
            qCDebug(dcSma()) << "Setup after reconfiguration, cleaning up...";
            m_sunnyWebBoxes.take(thing)->deleteLater();
        }
        SunnyWebBox *sunnyWebBox = new SunnyWebBox(hardwareManager()->networkManager(), QHostAddress(thing->paramValue(sunnyWebBoxThingHostParamTypeId).toString()), this);
        connect(info, &ThingSetupInfo::aborted, sunnyWebBox, &SunnyWebBox::deleteLater);
        connect(sunnyWebBox, &SunnyWebBox::destroyed, this, [thing, this] { m_sunnyWebBoxes.remove(thing);});
        QString requestId = sunnyWebBox->getPlantOverview();
        connect(sunnyWebBox, &SunnyWebBox::plantOverviewReceived, info, [sunnyWebBox, info, this] {
            qCDebug(dcSma()) << "Received plant overview, finishing setup";
            info->finish(Thing::ThingErrorNoError);
            connect(sunnyWebBox, &SunnyWebBox::connectedChanged, this, &IntegrationPluginSma::onConnectedChanged);
            connect(sunnyWebBox, &SunnyWebBox::plantOverviewReceived, this, &IntegrationPluginSma::onPlantOverviewReceived);
            m_sunnyWebBoxes.insert(info->thing(), sunnyWebBox);
        });
    } else {
        Q_ASSERT_X(false, "setupThing", QString("Unhandled thingClassId: %1").arg(thing->thingClassId().toString()).toUtf8());
    }
}

void IntegrationPluginSma::postSetupThing(Thing *thing)
{
    qCDebug(dcSma()) << "Post setup thing" << thing->name();
    if (thing->thingClassId() == sunnyWebBoxThingClassId) {
        SunnyWebBox *sunnyWebBox = m_sunnyWebBoxes.value(thing);
        if (!sunnyWebBox)
            return;
        sunnyWebBox->getPlantOverview();
        thing->setStateValue(sunnyWebBoxConnectedStateTypeId, true);
    }
}

void IntegrationPluginSma::thingRemoved(Thing *thing)
{
    if (thing->thingClassId() == sunnyWebBoxThingClassId) {
        m_sunnyWebBoxes.take(thing)->deleteLater();
    }

    if (myThings().isEmpty()) {
        qCDebug(dcSma()) << "Stopping timer";
        hardwareManager()->pluginTimerManager()->unregisterTimer(m_refreshTimer);
        m_refreshTimer = nullptr;
    }
}

void IntegrationPluginSma::onRefreshTimer()
{
    Q_FOREACH(Thing *thing, myThings().filterByThingClassId(sunnyWebBoxThingClassId)) {
        SunnyWebBox *sunnyWebBox = m_sunnyWebBoxes.value(thing);
        sunnyWebBox->getPlantOverview();
    }
}

void IntegrationPluginSma::onConnectedChanged(bool connected)
{
    Thing *thing = m_sunnyWebBoxes.key(static_cast<SunnyWebBox *>(sender()));
    if (!thing)
        return;
    thing->setStateValue(sunnyWebBoxConnectedStateTypeId, connected);
}

void IntegrationPluginSma::onPlantOverviewReceived(const QString &messageId, SunnyWebBox::Overview overview)
{
    Q_UNUSED(messageId)

    qCDebug(dcSma()) << "Plant overview received" << overview.status;
    Thing *thing = m_sunnyWebBoxes.key(static_cast<SunnyWebBox *>(sender()));
    if (!thing)
        return;

    thing->setStateValue(sunnyWebBoxCurrentPowerStateTypeId, overview.power);
    thing->setStateValue(sunnyWebBoxDayEnergyProducedStateTypeId, overview.dailyYield);
    thing->setStateValue(sunnyWebBoxTotalEnergyProducedStateTypeId, overview.totalYield);
    thing->setStateValue(sunnyWebBoxModeStateTypeId, overview.status);
    if (!overview.error.isEmpty()){
        qCDebug(dcSma()) << "Received error" << overview.error;
        thing->setStateValue(sunnyWebBoxErrorStateTypeId, overview.error);
    }
}