/*
   Copyright (c) 2014 Marco Martin <mart@kde.org>
   Copyright (c) 2014 Vishesh Handa <me@vhanda.in>
   Copyright (c) 2019 Cyril Rossi <cyril.rossi@enioka.com>
   Copyright (c) 2021 Benjamin Port <benjamin.port@enioka.com>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef _KCM_SEARCH_H
#define _KCM_SEARCH_H

#include <KConfig>
#include <KConfigGroup>
#include <QDir>

#include <KPackage/Package>
#include <KQuickAddons/ManagedConfigModule>

class QQuickItem;
class QStandardItemModel;
class LookAndFeelSettings;
class LookAndFeelData;

class KCMLookandFeel : public KQuickAddons::ManagedConfigModule
{
    Q_OBJECT
    Q_PROPERTY(LookAndFeelSettings *lookAndFeelSettings READ lookAndFeelSettings CONSTANT)
    Q_PROPERTY(QStandardItemModel *lookAndFeelModel READ lookAndFeelModel CONSTANT)
    Q_PROPERTY(bool resetDefaultLayout READ resetDefaultLayout WRITE setResetDefaultLayout NOTIFY resetDefaultLayoutChanged)

public:
    enum Roles {
        PluginNameRole = Qt::UserRole + 1,
        ScreenshotRole,
        FullScreenPreviewRole,
        DescriptionRole,
        HasSplashRole,
        HasLockScreenRole,
        HasRunCommandRole,
        HasLogoutRole,
        HasColorsRole,
        HasWidgetStyleRole,
        HasIconsRole,
        HasPlasmaThemeRole,
        HasCursorsRole,
        HasWindowSwitcherRole,
        HasDesktopSwitcherRole,
    };

    KCMLookandFeel(QObject *parent, const QVariantList &args);
    ~KCMLookandFeel() override;

    LookAndFeelSettings *lookAndFeelSettings() const;
    QStandardItemModel *lookAndFeelModel() const;

    Q_INVOKABLE int pluginIndex(const QString &pluginName) const;

    bool resetDefaultLayout() const;
    void setResetDefaultLayout(bool reset);

    // Setters of the various theme pieces
    void setWidgetStyle(const QString &style);
    void setColors(const QString &scheme, const QString &colorFile);
    void setIcons(const QString &theme);
    void setPlasmaTheme(const QString &theme);
    void setCursorTheme(const QString theme);
    void setSplashScreen(const QString &theme);
    void setLockScreen(const QString &theme);
    void setWindowSwitcher(const QString &theme);
    void setDesktopSwitcher(const QString &theme);
    void setWindowDecoration(const QString &library, const QString &theme);

    Q_INVOKABLE void reloadModel();

public Q_SLOTS:
    void load() override;
    void save() override;

Q_SIGNALS:
    void resetDefaultLayoutChanged();

private:
    // List only packages which provide at least one of the components
    QList<KPackage::Package> availablePackages(const QStringList &components);
    void loadModel();
    QDir cursorThemeDir(const QString &theme, const int depth);
    const QStringList cursorSearchPaths();

    void revertKeyIfNeeded(KConfigGroup &group, KConfigGroup &home, KConfigGroup &defaults);

    void writeNewDefaults(const QString &filename,
                          const QString &group,
                          const QString &key,
                          const QString &value,
                          KConfig::WriteConfigFlags writeFlags = KConfig::Normal);
    void writeNewDefaults(KConfig &config,
                          KConfig &configDefault,
                          const QString &group,
                          const QString &key,
                          const QString &value,
                          KConfig::WriteConfigFlags writeFlags = KConfig::Normal);
    void
    writeNewDefaults(KConfigGroup &cg, KConfigGroup &cgd, const QString &key, const QString &value, KConfig::WriteConfigFlags writeFlags = KConfig::Normal);
    static KConfig configDefaults(const QString &filename);

    LookAndFeelData *m_data;
    QStandardItemModel *m_model;
    KPackage::Package m_package;
    QStringList m_cursorSearchPaths;

    KConfig m_config;
    KConfigGroup m_configGroup;

    bool m_applyColors : 1;
    bool m_applyWidgetStyle : 1;
    bool m_applyIcons : 1;
    bool m_applyPlasmaTheme : 1;
    bool m_applyCursors : 1;
    bool m_applyWindowSwitcher : 1;
    bool m_applyDesktopSwitcher : 1;
    bool m_resetDefaultLayout : 1;
    bool m_applyWindowDecoration : 1;
};

#endif