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#include "integrationplugingenericenergy.h"
#include "plugininfo.h"

#include <QDebug>
#include <QtMath>

IntegrationPluginGenericEnergy::IntegrationPluginGenericEnergy()
{

}

void IntegrationPluginGenericEnergy::setupThing(ThingSetupInfo *info)
{
    Thing *thing = info->thing();

    if (thing->thingClassId() == impulseSmartMeterThingClassId) {

        QTimer* smartMeterTimer = new QTimer(this);
        int timeframe = thing->setting(impulseSmartMeterSettingsImpulseTimeframeParamTypeId).toInt();
        smartMeterTimer->setInterval(timeframe * 1000);
        m_smartMeterTimer.insert(thing, smartMeterTimer);
        smartMeterTimer->start();
        connect(thing, &Thing::settingChanged, smartMeterTimer, [smartMeterTimer] (const ParamTypeId &paramTypeId, const QVariant &value) {
            if (paramTypeId == impulseSmartMeterSettingsImpulseTimeframeParamTypeId) {
                smartMeterTimer->setInterval(value.toInt() * 1000);
            }
        });

        connect(smartMeterTimer, &QTimer::timeout, thing, [this, smartMeterTimer, thing] {
            double impulsePerKwh = thing->setting(impulseSmartMeterSettingsImpulsePerKwhParamTypeId).toDouble();
            int interval = smartMeterTimer->interval()/1000;
            double power = (m_pulsesPerTimeframe.value(thing)/impulsePerKwh)/(interval/3600.00); // Power = Energy/Time; Energy = Impulses/ImpPerkWh
            thing->setStateValue(impulseSmartMeterCurrentPowerStateTypeId, power*1000);
            m_pulsesPerTimeframe.insert(thing, 0);
        });
    } else if  (thing->thingClassId() == batteryThingClassId) {
        connect(thing, &Thing::settingChanged, [thing](const ParamTypeId &settingTypeId, const QVariant &value){
            if (settingTypeId == batterySettingsCriticalLevelParamTypeId) {
                int currentBatteryLevel = thing->stateValue(batteryBatteryLevelStateTypeId).toInt();
                thing->setStateValue(batteryBatteryCriticalStateTypeId, currentBatteryLevel <= value.toInt());
            }
        });
    }

    // Fall trough, if not already finished and returned...
    info->finish(Thing::ThingErrorNoError);
}

void IntegrationPluginGenericEnergy::executeAction(ThingActionInfo *info)
{
    Thing *thing = info->thing();
    Action action = info->action();

    if (thing->thingClassId() == socketThingClassId) {
        if (action.actionTypeId() == socketPowerActionTypeId) {
            thing->setStateValue(socketPowerStateTypeId, action.param(socketPowerActionPowerParamTypeId).value());
            return info->finish(Thing::ThingErrorNoError);
        } else {
            Q_ASSERT_X(false, "executeAction", QString("Unhandled actionTypeId: %1").arg(action.actionTypeId().toString()).toUtf8());
        }
    } else if (thing->thingClassId() == lightThingClassId) {
        if (action.actionTypeId() == lightPowerActionTypeId) {
            thing->setStateValue(lightPowerStateTypeId, action.param(lightPowerActionPowerParamTypeId).value());
            return info->finish(Thing::ThingErrorNoError);
        } else {
            Q_ASSERT_X(false, "executeAction", QString("Unhandled actionTypeId: %1").arg(action.actionTypeId().toString()).toUtf8());
        }
    } else if (thing->thingClassId() == impulseSmartMeterThingClassId) {
        if (action.actionTypeId() == impulseSmartMeterImpulseInputActionTypeId) {
            bool value = info->action().param(impulseSmartMeterImpulseInputActionImpulseInputParamTypeId).value().toBool();
            thing->setStateValue(impulseSmartMeterImpulseInputStateTypeId, value);
            int impulsePerKwh = info->thing()->setting(impulseSmartMeterSettingsImpulsePerKwhParamTypeId).toInt();
            if (value) {
                double currentEnergy = thing->stateValue(impulseSmartMeterTotalEnergyConsumedStateTypeId).toDouble();
                thing->setStateValue(impulseSmartMeterTotalEnergyConsumedStateTypeId ,currentEnergy + (1.00/impulsePerKwh));
                m_pulsesPerTimeframe[thing]++;
            }
            info->finish(Thing::ThingErrorNoError);
            return;
        } else {
            Q_ASSERT_X(false, "executeAction", QString("Unhandled actionTypeId: %1").arg(action.actionTypeId().toString()).toUtf8());
        }

    } else if (thing->thingClassId() == smartMeterConsumerThingClassId) {
        if (action.actionTypeId() == smartMeterConsumerCurrentPowerActionTypeId) {
            thing->setStateValue(smartMeterConsumerCurrentPowerStateTypeId, action.paramValue(smartMeterConsumerCurrentPowerActionCurrentPowerParamTypeId));
            info->finish(Thing::ThingErrorNoError);
        } else if (action.actionTypeId() == smartMeterConsumerTotalEnergyConsumedActionTypeId) {
            thing->setStateValue(smartMeterConsumerTotalEnergyConsumedStateTypeId, action.paramValue(smartMeterConsumerTotalEnergyConsumedActionTotalEnergyConsumedParamTypeId));
            info->finish(Thing::ThingErrorNoError);
        } else {
            Q_ASSERT_X(false, "executeAction", QString("Unhandled actionTypeId: %1").arg(action.actionTypeId().toString()).toUtf8());
        }

    } else if (thing->thingClassId() == smartMeterProducerThingClassId) {
        if (action.actionTypeId() == smartMeterProducerCurrentPowerActionTypeId) {
            thing->setStateValue(smartMeterProducerCurrentPowerStateTypeId, action.paramValue(smartMeterProducerCurrentPowerActionCurrentPowerParamTypeId));
            info->finish(Thing::ThingErrorNoError);
        } else if (action.actionTypeId() == smartMeterProducerTotalEnergyProducedActionTypeId) {
            thing->setStateValue(smartMeterProducerTotalEnergyProducedStateTypeId, action.paramValue(smartMeterProducerTotalEnergyProducedActionTotalEnergyProducedParamTypeId));
            info->finish(Thing::ThingErrorNoError);
        } else {
            Q_ASSERT_X(false, "executeAction", QString("Unhandled actionTypeId: %1").arg(action.actionTypeId().toString()).toUtf8());
        }
    } else if (thing->thingClassId() == batteryThingClassId) {
        if (action.actionTypeId() == batteryBatteryLevelControlActionTypeId) {
            int value = action.paramValue(batteryBatteryLevelControlActionBatteryLevelControlParamTypeId).toInt();
            thing->setStateValue(batteryBatteryLevelStateTypeId, value);
            thing->setStateValue(batteryBatteryLevelControlStateTypeId, value);
            int criticalValue = thing->setting(batterySettingsCriticalLevelParamTypeId).toInt();
            thing->setStateValue(batteryBatteryCriticalStateTypeId, value <= criticalValue);
            info->finish(Thing::ThingErrorNoError);
            return;
        } else if (action.actionTypeId() == batteryChargingActionTypeId) {
            thing->setStateValue(batteryChargingStateTypeId, action.paramValue(batteryChargingActionChargingParamTypeId));
            info->finish(Thing::ThingErrorNoError);
            return;
        }
    } else {
        Q_ASSERT_X(false, "executeAction", QString("Unhandled thingClassId: %1").arg(thing->thingClassId().toString()).toUtf8());
    }
}

void IntegrationPluginGenericEnergy::thingRemoved(Thing *thing)
{
    if (thing->thingClassId() == impulseSmartMeterThingClassId) {
        m_pulsesPerTimeframe.remove(thing);
    } else if (thing->thingClassId() == impulseSmartMeterThingClassId) {
        m_smartMeterTimer.take(thing)->deleteLater();
        m_pulsesPerTimeframe.remove(thing);
    }
}