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

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

#include "batteryadapter.h"

#include "types/action.h"
#include "integrations/thingmanager.h"
#include "integrations/thingactioninfo.h"

#include <QLoggingCategory>

Q_DECLARE_LOGGING_CATEGORY(dcNymeaEnergy)

BatteryAdapter::BatteryAdapter(ThingManager *thingManager,
                               const ThingId &thingId,
                               double capacityKwh,
                               double maxChargeW,
                               double maxDischargeW,
                               QObject *parent)
    : ILoadAdapter(parent),
      m_thingManager(thingManager),
      m_capacityKwh(capacityKwh),
      m_maxChargeW(maxChargeW),
      m_maxDischargeW(maxDischargeW)
{
    m_thing = thingManager->findConfiguredThing(thingId);
    if (!m_thing)
        qCWarning(dcNymeaEnergy()) << "BatteryAdapter: thing not found:" << thingId;
}

QString BatteryAdapter::adapterId() const
{
    return QStringLiteral("battery");
}

LoadRole BatteryAdapter::role() const
{
    return LoadRole::Battery;
}

ThingId BatteryAdapter::thingId() const
{
    return m_thing ? m_thing->id() : ThingId();
}

void BatteryAdapter::applyPower(double targetPowerW)
{
    if (!m_thing) {
        qCWarning(dcNymeaEnergy()) << "BatteryAdapter::applyPower: no thing";
        emit powerApplied(0, false);
        return;
    }

    QString actionName;
    double powerArg = 0;

    if (targetPowerW > 0) {
        actionName = QStringLiteral("setChargingPower");
        powerArg   = qMin(targetPowerW, m_maxChargeW);
    } else if (targetPowerW < 0) {
        actionName = QStringLiteral("setDischargingPower");
        powerArg   = qMin(-targetPowerW, m_maxDischargeW);
    } else {
        actionName = QStringLiteral("setStandby");
    }

    ActionType actionType;
    foreach (const ActionType &at, m_thing->thingClass().actionTypes()) {
        if (at.name() == actionName) { actionType = at; break; }
    }
    if (actionType.id().isNull()) {
        qCWarning(dcNymeaEnergy()) << "BatteryAdapter: action" << actionName
                                   << "not found on" << m_thing->name();
        emit powerApplied(0, false);
        return;
    }

    Action action(actionType.id(), m_thing->id(), Action::TriggeredByRule);

    // For setStandby there are no params; for charge/discharge add the power param
    if (targetPowerW != 0) {
        ParamTypeId powerParamId;
        foreach (const ParamType &pt, actionType.paramTypes()) {
            if (pt.name() == QLatin1String("power")) { powerParamId = pt.id(); break; }
        }
        if (!powerParamId.isNull())
            action.setParams(ParamList() << Param(powerParamId, powerArg));
    }

    ThingActionInfo *info = m_thingManager->executeAction(action);
    connect(info, &ThingActionInfo::finished, this, [this, targetPowerW, info]() {
        bool ok = (info->status() == Thing::ThingErrorNoError);
        emit powerApplied(targetPowerW, ok);
        if (!ok)
            qCWarning(dcNymeaEnergy()) << "BatteryAdapter: action failed on" << m_thing->name();
    });
}

void BatteryAdapter::testConnection()
{
    if (!m_thing) {
        emit testResult(false, QStringLiteral("Thing not found"));
        return;
    }

    // Try reading batteryLevel or currentPower state
    foreach (const StateType &st, m_thing->thingClass().stateTypes()) {
        if (st.name() == QLatin1String("batteryLevel") ||
            st.name() == QLatin1String("currentPower")) {
            emit testResult(true, QStringLiteral("Battery state readable: %1 = %2")
                            .arg(st.name())
                            .arg(m_thing->stateValue(st.id()).toDouble()));
            return;
        }
    }
    emit testResult(true, QStringLiteral("Battery reachable"));
}

double BatteryAdapter::currentPowerW() const
{
    if (!m_thing)
        return 0;
    foreach (const StateType &st, m_thing->thingClass().stateTypes()) {
        if (st.name() == QLatin1String("currentPower"))
            return m_thing->stateValue(st.id()).toDouble();
    }
    return 0;
}

bool BatteryAdapter::isReachable() const
{
    if (!m_thing)
        return false;
    foreach (const StateType &st, m_thing->thingClass().stateTypes()) {
        if (st.name() == QLatin1String("connected"))
            return m_thing->stateValue(st.id()).toBool();
    }
    return true;
}