"""
sn_basis/functions/qgisui_wrapper.py – zentrale QGIS-UI-Abstraktion
"""

from typing import Any, List

from sn_basis.functions.qt_wrapper import QDockWidget


iface: Any
QGIS_UI_AVAILABLE = False


# ---------------------------------------------------------
# iface initialisieren (QGIS oder Mock)
# ---------------------------------------------------------

try:
    from qgis.utils import iface as _iface
    iface = _iface
    QGIS_UI_AVAILABLE = True

except Exception:
    

    class _MockMessageBar:
        def pushMessage(self, title, text, level=0, duration=5):
            return {
                "title": title,
                "text": text,
                "level": level,
                "duration": duration,
            }

    class _MockIface:
        def messageBar(self):
            return _MockMessageBar()

        def mainWindow(self):
            return None

        def addDockWidget(self, *args, **kwargs):
            pass

        def removeDockWidget(self, *args, **kwargs):
            pass

        def addToolBar(self, *args, **kwargs):
            pass

        def removeToolBar(self, *args, **kwargs):
            pass

    iface = _MockIface()


# ---------------------------------------------------------
# Main Window
# ---------------------------------------------------------

def get_main_window():
    try:
        return iface.mainWindow()
    except Exception:
        return None


# ---------------------------------------------------------
# Dock-Handling
# ---------------------------------------------------------

def add_dock_widget(area, dock: Any) -> None:
    try:
        iface.addDockWidget(area, dock)
    except Exception:
        pass


def remove_dock_widget(dock: Any) -> None:
    try:
        iface.removeDockWidget(dock)
    except Exception:
        pass


def find_dock_widgets() -> List[Any]:
    main_window = get_main_window()
    if not main_window:
        return []

    try:
        return main_window.findChildren(QDockWidget)
    except Exception:
        return []


# ---------------------------------------------------------
# Menü-Handling
# ---------------------------------------------------------

def add_menu(menu):
    main_window = iface.mainWindow()
    if not main_window:
        return

    # Nur echte Qt-Menüs an Qt übergeben
    if hasattr(menu, "menuAction"):
        main_window.menuBar().addMenu(menu)




def remove_menu(menu):
    main_window = iface.mainWindow()
    if not main_window:
        return

    if hasattr(menu, "menuAction"):
        main_window.menuBar().removeAction(menu.menuAction())





# ---------------------------------------------------------
# Toolbar-Handling
# ---------------------------------------------------------

def add_toolbar(toolbar: Any) -> None:
    try:
        iface.addToolBar(toolbar)
    except Exception:
        pass


def remove_toolbar(toolbar: Any) -> None:
    try:
        iface.removeToolBar(toolbar)
    except Exception:
        pass