// 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 STATEEVALUATOR_H
#define STATEEVALUATOR_H

#include "types/state.h"
#include "types/statedescriptor.h"

#include <QDebug>

class NymeaSettings;

namespace nymeaserver {
class StateEvaluator;

class StateEvaluators: public QList<StateEvaluator>
{
    Q_GADGET
    Q_PROPERTY(int count READ count)
public:
    StateEvaluators();
    StateEvaluators(const QList<StateEvaluator> &other);
    Q_INVOKABLE QVariant get(int index) const;
    Q_INVOKABLE void put(const QVariant &variant);
};

class StateEvaluator
{
    Q_GADGET
    Q_PROPERTY(StateDescriptor stateDescriptor READ stateDescriptor WRITE setStateDescriptor USER true)
    Q_PROPERTY(nymeaserver::StateEvaluators childEvaluators READ childEvaluators WRITE setChildEvaluators USER true)
    Q_PROPERTY(Types::StateOperator operator READ operatorType WRITE setOperatorType USER true)
public:
    StateEvaluator(const StateDescriptor &stateDescriptor);
    StateEvaluator(QList<StateEvaluator> childEvaluators = QList<StateEvaluator>(), Types::StateOperator stateOperator = Types::StateOperatorAnd);

    StateDescriptor stateDescriptor() const;
    void setStateDescriptor(const StateDescriptor &stateDescriptor);

    StateEvaluators childEvaluators() const;
    void setChildEvaluators(const StateEvaluators &childEvaluators);
    void appendEvaluator(const StateEvaluator &stateEvaluator);

    Types::StateOperator operatorType() const;
    void setOperatorType(Types::StateOperator operatorType);

    bool evaluate() const;
    bool containsThing(const ThingId &thingId) const;

    void removeThing(const ThingId &thingId);
    QList<ThingId> containedThings() const;

    void dumpToSettings(NymeaSettings &settings, const QString &groupName) const;
    static StateEvaluator loadFromSettings(NymeaSettings &settings, const QString &groupPrefix);

    bool isValid() const;
    bool isEmpty() const;

private:
    bool evaluateDescriptor(const StateDescriptor &descriptor) const;

private:
    StateDescriptor m_stateDescriptor;

    QList<StateEvaluator> m_childEvaluators;
    Types::StateOperator m_operatorType;
};


QDebug operator<<(QDebug dbg, const StateEvaluator &stateEvaluator);

}
Q_DECLARE_METATYPE(nymeaserver::StateEvaluator)
Q_DECLARE_METATYPE(nymeaserver::StateEvaluators)

#endif // STATEEVALUATOR_H