/***************************************************************************
 *   Copyright (c) 2025 Kindred Systems                                    *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   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., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#ifndef GUI_ORIGINSELECTORWIDGET_H
#define GUI_ORIGINSELECTORWIDGET_H

#include <QToolButton>
#include <QMenu>
#include <QActionGroup>
#include <fastsignals/signal.h>
#include <FCGlobal.h>

namespace Gui {

class FileOrigin;

/**
 * @brief Toolbar widget for selecting the current file origin
 *
 * OriginSelectorWidget displays the currently selected origin and provides
 * a dropdown menu to switch between available origins (Local Files, Silo
 * instances, etc.).
 *
 * Visual design:
 *   Collapsed (toolbar state):
 *   ┌──────────────────┐
 *   │ ☁️ Work      ▼  │   ~70-100px wide
 *   └──────────────────┘
 *
 *   Expanded (dropdown open):
 *   ┌──────────────────┐
 *   │ ✓ ☁️ Work       │  ← Current selection (checkmark)
 *   │   ☁️ Prod       │
 *   │   📁 Local      │
 *   ├──────────────────┤
 *   │   ⚙️ Manage...  │  ← Opens config dialog
 *   └──────────────────┘
 */
class GuiExport OriginSelectorWidget : public QToolButton
{
    Q_OBJECT

public:
    explicit OriginSelectorWidget(QWidget* parent = nullptr);
    ~OriginSelectorWidget() override;

private Q_SLOTS:
    void onOriginActionTriggered(QAction* action);
    void onManageOriginsClicked();

private:
    void setupUi();
    void connectSignals();
    void disconnectSignals();

    void onOriginRegistered(const std::string& originId);
    void onOriginUnregistered(const std::string& originId);
    void onCurrentOriginChanged(const std::string& originId);

    void updateDisplay();
    void rebuildMenu();
    QIcon iconForOrigin(FileOrigin* origin) const;

    QMenu* m_menu;
    QActionGroup* m_originActions;
    QAction* m_manageAction;

    // Signal connections
    fastsignals::scoped_connection m_connRegistered;
    fastsignals::scoped_connection m_connUnregistered;
    fastsignals::scoped_connection m_connChanged;
};

}  // namespace Gui

#endif  // GUI_ORIGINSELECTORWIDGET_H