/*
 *   SPDX-FileCopyrightText: 2012 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
 *
 *   SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */

#pragma once

#include "Transaction/AddonList.h"
#include <QAbstractListModel>
#include <resources/PackageState.h>

#include "discovercommon_export.h"

class Transaction;
class AbstractResource;

class DISCOVERCOMMON_EXPORT ApplicationAddonsModel : public QAbstractListModel
{
    Q_OBJECT
    Q_PROPERTY(AbstractResource *application READ application WRITE setApplication NOTIFY applicationChanged)
    Q_PROPERTY(bool hasChanges READ hasChanges NOTIFY stateChanged)
    Q_PROPERTY(bool isEmpty READ isEmpty NOTIFY applicationChanged)
public:
    enum Roles {
        PackageNameRole = Qt::UserRole,
    };

    explicit ApplicationAddonsModel(QObject *parent = nullptr);

    AbstractResource *application() const;
    void setApplication(AbstractResource *app);
    bool hasChanges() const;

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
    QHash<int, QByteArray> roleNames() const override;
    bool isEmpty() const;

public Q_SLOTS:
    void discardChanges();
    void applyChanges();
    void changeState(const QString &packageName, bool installed);

Q_SIGNALS:
    void stateChanged();
    void applicationChanged();

private:
    void transactionOver(Transaction *t);
    void resetState();

    AbstractResource *m_app;
    QList<PackageState> m_initial;
    AddonList m_state;
};