Plugin_SN_Basis/functions/qt_wrapper.py

"""
sn_basis/functions/qt_wrapper.py – zentrale Qt-Abstraktion (PyQt6 primär / PyQt5 Fallback / Mock)
"""

from typing import Optional, Type, Any, Callable

# Globale Qt-Symbole (werden dynamisch gesetzt)
QT_VERSION = 0  # 0 = Mock, 5 = PyQt5, 6 = PyQt6
YES: Optional[Any] = None
NO: Optional[Any] = None
CANCEL: Optional[Any] = None
ICON_QUESTION: Optional[Any] = None
QVariant: Type[Any] = object



# Qt-Klassen (werden dynamisch gesetzt)
QDockWidget: Type[Any] = object
QMessageBox: Type[Any] = object
QFileDialog: Type[Any] = object
QProgressDialog: Type[Any] = object
QEventLoop: Type[Any] = object
QTimer: Type[Any] = object
QUrl: Type[Any] = object
QNetworkRequest: Type[Any] = object
QNetworkReply: Type[Any] = object
QCoreApplication: Type[Any] = object
QWidget: Type[Any] = object
QGridLayout: Type[Any] = object
QLabel: Type[Any] = object
QLineEdit: Type[Any] = object
QGroupBox: Type[Any] = object
QVBoxLayout: Type[Any] = object
QPushButton: Type[Any] = object
QAction: Type[Any] = object
QMenu: Type[Any] = object
QToolBar: Type[Any] = object
QActionGroup: Type[Any] = object
QTabWidget: Type[Any] = object
QToolButton: Type[Any] = object
QSizePolicy: Type[Any] = object
Qt: Type[Any] = object
QComboBox: Type[Any] = object
QHBoxLayout: Type[Any] = object


def exec_dialog(dialog: Any) -> Any:
    """Führt Dialog modal aus (Qt6: exec(), Qt5: exec_(), Mock: YES)"""
    raise NotImplementedError("Qt nicht initialisiert")

def debug_qt_status() -> None:
    """Debug: Zeigt Qt-Status für Troubleshooting."""
    print(f"🔍 QT_VERSION: {QT_VERSION}")
    print(f"🔍 QMessageBox Typ: {getattr(QMessageBox, '__name__', type(QMessageBox).__name__)}")
    print(f"🔍 YES Wert: {YES} (Typ: {type(YES) if YES is not None else 'None'})")
    
    if QT_VERSION == 0:
        print("❌ MOCK-MODUS AKTIV! Keine Dialoge möglich!")
    elif QT_VERSION == 5:
        print("✅ PyQt5 geladen (Fallback) – Dialoge sollten funktionieren!")
    elif QT_VERSION == 6:
        print("✅ PyQt6 geladen (primär) – Dialoge sollten funktionieren!")
    else:
        print("❓ Unbekannte Qt-Version!")

# --------------------------- PYQT6 PRIMÄR ---------------------------
try:
    from qgis.PyQt.QtWidgets import (
        QMessageBox as _QMessageBox,
        QFileDialog as _QFileDialog,
        QProgressDialog as _QProgressDialog,
        QWidget as _QWidget,
        QGridLayout as _QGridLayout,
        QLabel as _QLabel,
        QLineEdit as _QLineEdit,
        QGroupBox as _QGroupBox,
        QVBoxLayout as _QVBoxLayout,
        QPushButton as _QPushButton,
        QAction as _QAction,
        QMenu as _QMenu,
        QToolBar as _QToolBar,
        QActionGroup as _QActionGroup,
        QDockWidget as _QDockWidget,
        QTabWidget as _QTabWidget,
        QToolButton as _QToolButton,
        QSizePolicy as _QSizePolicy,
        QComboBox as _QComboBox,
        QHBoxLayout as _QHBoxLayout,
    )
    from qgis.PyQt.QtCore import (
        QEventLoop as _QEventLoop,
        QTimer as _QTimer,
        QUrl as _QUrl,
        QCoreApplication as _QCoreApplication,
        Qt as _Qt,
        QVariant as _QVariant
    )
    from qgis.PyQt.QtNetwork import (
        QNetworkRequest as _QNetworkRequest,
        QNetworkReply as _QNetworkReply,
    )
    
    # ✅ ALLE GLOBALS ZUWEISEN
    QT_VERSION = 6
    QMessageBox = _QMessageBox
    QFileDialog = _QFileDialog
    QProgressDialog = _QProgressDialog
    QProgressDialog = _QProgressDialog
    QEventLoop = _QEventLoop
    QTimer = _QTimer
    QUrl = _QUrl
    QNetworkRequest = _QNetworkRequest
    QNetworkReply = _QNetworkReply
    QCoreApplication = _QCoreApplication
    Qt = _Qt
    QDockWidget = _QDockWidget
    QWidget = _QWidget
    QGridLayout = _QGridLayout
    QLabel = _QLabel
    QLineEdit = _QLineEdit
    QGroupBox = _QGroupBox
    QVBoxLayout = _QVBoxLayout
    QPushButton = _QPushButton
    QAction = _QAction
    QMenu = _QMenu
    QToolBar = _QToolBar
    QActionGroup = _QActionGroup
    QTabWidget = _QTabWidget
    QToolButton = _QToolButton
    QSizePolicy = _QSizePolicy
    QComboBox = _QComboBox
    QVariant = _QVariant
    QHBoxLayout= _QHBoxLayout
    # ✅ QT6 ENUMS
    YES = QMessageBox.StandardButton.Yes
    NO = QMessageBox.StandardButton.No
    CANCEL = QMessageBox.StandardButton.Cancel
    ICON_QUESTION = QMessageBox.Icon.Question
    AcceptRole = QMessageBox.ButtonRole.AcceptRole
    ActionRole = QMessageBox.ButtonRole.ActionRole  
    RejectRole = QMessageBox.ButtonRole.RejectRole
    
    # Qt6 Enum-Aliase
    ToolButtonTextBesideIcon = Qt.ToolButtonStyle.ToolButtonTextBesideIcon
    ArrowDown = Qt.ArrowType.DownArrow
    ArrowRight = Qt.ArrowType.RightArrow
    SizePolicyPreferred = QSizePolicy.Policy.Preferred
    SizePolicyMaximum = QSizePolicy.Policy.Maximum
    DockWidgetMovable = QDockWidget.DockWidgetFeature.DockWidgetMovable
    DockWidgetFloatable = QDockWidget.DockWidgetFeature.DockWidgetFloatable
    DockWidgetClosable = QDockWidget.DockWidgetFeature.DockWidgetClosable
    DockAreaLeft = Qt.DockWidgetArea.LeftDockWidgetArea
    DockAreaRight = Qt.DockWidgetArea.RightDockWidgetArea
    
    def exec_dialog(dialog: Any) -> Any:
        return dialog.exec()
    
    print(f"✅ qt_wrapper: PyQt6 geladen (QT_VERSION={QT_VERSION})")

# --------------------------- PYQT5 FALLBACK ---------------------------
except (ImportError, AttributeError):
    try:
        from PyQt5.QtWidgets import (
            QMessageBox as _QMessageBox,
            QFileDialog as _QFileDialog,
            QWidget as _QWidget,
            QGridLayout as _QGridLayout,
            QLabel as _QLabel,
            QLineEdit as _QLineEdit,
            QGroupBox as _QGroupBox,
            QVBoxLayout as _QVBoxLayout,
            QPushButton as _QPushButton,
            QAction as _QAction,
            QMenu as _QMenu,
            QToolBar as _QToolBar,
            QActionGroup as _QActionGroup,
            QDockWidget as _QDockWidget,
            QTabWidget as _QTabWidget,
            QToolButton as _QToolButton,
            QSizePolicy as _QSizePolicy,
            QComboBox as _QComboBox,
            QHBoxLayout as _QHBoxLayout,
        )
        from PyQt5.QtCore import (
            QEventLoop as _QEventLoop,
            QTimer as _QTimer,
            QUrl as _QUrl,
            QCoreApplication as _QCoreApplication,
            Qt as _Qt,
            QVariant as _QVariant
        )
        from PyQt5.QtNetwork import (
            QNetworkRequest as _QNetworkRequest,
            QNetworkReply as _QNetworkReply,
        )
        
        # ✅ ALLE GLOBALS ZUWEISEN
        QT_VERSION = 5
        QMessageBox = _QMessageBox
        QFileDialog = _QFileDialog
        QEventLoop = _QEventLoop
        QTimer = _QTimer
        QUrl = _QUrl
        QNetworkRequest = _QNetworkRequest
        QNetworkReply = _QNetworkReply
        QCoreApplication = _QCoreApplication
        Qt = _Qt
        QDockWidget = _QDockWidget
        QWidget = _QWidget
        QGridLayout = _QGridLayout
        QLabel = _QLabel
        QLineEdit = _QLineEdit
        QGroupBox = _QGroupBox
        QVBoxLayout = _QVBoxLayout
        QPushButton = _QPushButton
        QAction = _QAction
        QMenu = _QMenu
        QToolBar = _QToolBar
        QActionGroup = _QActionGroup
        QTabWidget = _QTabWidget
        QToolButton = _QToolButton
        QSizePolicy = _QSizePolicy
        QComboBox = _QComboBox
        QVariant = _QVariant
        QHBoxLayout = _QHBoxLayout
        
        # ✅ PYQT5 ENUMS
        YES = QMessageBox.Yes
        NO = QMessageBox.No
        CANCEL = QMessageBox.Cancel
        ICON_QUESTION = QMessageBox.Question
        AcceptRole = QMessageBox.AcceptRole
        ActionRole = QMessageBox.ActionRole
        RejectRole = QMessageBox.RejectRole

        
        # PyQt5 Enum-Aliase
        ToolButtonTextBesideIcon = Qt.ToolButtonTextBesideIcon
        ArrowDown = Qt.DownArrow
        ArrowRight = Qt.RightArrow
        SizePolicyPreferred = QSizePolicy.Preferred
        SizePolicyMaximum = QSizePolicy.Maximum
        DockWidgetMovable = QDockWidget.DockWidgetMovable
        DockWidgetFloatable = QDockWidget.DockWidgetFloatable
        DockWidgetClosable = QDockWidget.DockWidgetClosable
        DockAreaLeft = Qt.LeftDockWidgetArea
        DockAreaRight = Qt.RightDockWidgetArea
        
        def exec_dialog(dialog: Any) -> Any:
            return dialog.exec_()
        
        print(f"✅ qt_wrapper: PyQt5 Fallback geladen (QT_VERSION={QT_VERSION})")

# --------------------------- MOCK-MODUS ---------------------------
    except Exception:
        QT_VERSION = 0
        print("⚠️ qt_wrapper: Mock-Modus aktiviert (QT_VERSION=0)")

        # Fake Enum für Bit-Operationen
        class FakeEnum(int):
            def __or__(self, other: Any) -> "FakeEnum":
                return FakeEnum(int(self) | int(other))

        YES = FakeEnum(1)
        NO = FakeEnum(2)
        CANCEL = FakeEnum(4)
        ICON_QUESTION = FakeEnum(8)

       # Im Mock-Block von qt_wrapper.py:
        class _MockQMessageBox:
            Yes = YES
            No = NO
            Cancel = CANCEL
            Question = ICON_QUESTION
            AcceptRole = 0
            ActionRole = 3
            RejectRole = 1

            
            @classmethod
            def question(cls, parent, title, message, buttons, default_button):
                """Mock: Gibt immer default_button zurück"""
                print(f"🔍 Mock QMessageBox.question: '{title}' → {default_button}")
                return default_button

        QMessageBox = _MockQMessageBox


        class _MockQFileDialog:
            @staticmethod
            def getOpenFileName(*args, **kwargs): return ("", "")
            @staticmethod
            def getSaveFileName(*args, **kwargs): return ("", "")

        QFileDialog = _MockQFileDialog

        class _MockQEventLoop:
            def exec(self) -> int: return 0
            def quit(self) -> None: pass

        QEventLoop = _MockQEventLoop

        class _MockQTimer:
            def __init__(self, *args, **kwargs):
                self.timeout = type('Signal', (), {
                    'connect': lambda s, cb: None,
                })()  
            def setSingleShot(self, v: bool) -> None: pass
            def start(self, ms: int) -> None: pass
            def stop(self) -> None: pass

        QTimer = _MockQTimer

        class _MockQUrl(str):
            def isValid(self) -> bool: return True

        QUrl = _MockQUrl

        class _MockQNetworkRequest:
            def __init__(self, url: Any): self.url = url

        QNetworkRequest = _MockQNetworkRequest

        class _MockQNetworkReply:
            def error(self) -> int: return 0
            def errorString(self) -> str: return ""
            def readAll(self) -> bytes: return b""
            def deleteLater(self) -> None: pass

        QNetworkReply = _MockQNetworkReply

        class _MockWidget: pass
        class _MockLayout:
            def __init__(self, *args, **kwargs): self._widgets = []
            def addWidget(self, widget): self._widgets.append(widget)
            def addLayout(self, layout): pass
            def addStretch(self, *args, **kwargs): pass
            def setSpacing(self, *args, **kwargs): pass
            def setContentsMargins(self, *args, **kwargs): pass

        class _MockLabel: 
            def __init__(self, text: str = ""): self._text = text
        class _MockLineEdit:
            def __init__(self, *args, **kwargs): self._text = ""
            def text(self) -> str: return self._text
            def setText(self, value: str) -> None: self._text = value

        class _MockButton: 
            def __init__(self, *args, **kwargs): self.clicked = lambda *a, **k: None

        QWidget = _MockWidget
        QGridLayout = _MockLayout
        QLabel = _MockLabel
        QLineEdit = _MockLineEdit
        QGroupBox = _MockWidget
        QVBoxLayout = _MockLayout
        QPushButton = _MockButton
        QCoreApplication = object()
        
        class _MockQt:
            ToolButtonTextBesideIcon = 0
            ArrowDown = 1
            ArrowRight = 2
            LeftDockWidgetArea = 1
            RightDockWidgetArea = 2

        Qt = _MockQt()
        ToolButtonTextBesideIcon = Qt.ToolButtonTextBesideIcon
        ArrowDown = Qt.ArrowDown
        ArrowRight = Qt.ArrowRight
        DockAreaLeft = Qt.LeftDockWidgetArea
        DockAreaRight = Qt.RightDockWidgetArea

        class _MockQDockWidget(_MockWidget):
            def __init__(self, *args, **kwargs):
                self._object_name = ""
            def setObjectName(self, name: str) -> None: self._object_name = name
            def objectName(self) -> str: return self._object_name
            def show(self) -> None: pass
            def deleteLater(self) -> None: pass

        QDockWidget = _MockQDockWidget

        class _MockAction:
            def __init__(self, *args, **kwargs):
                self._checked = False
                self.triggered = lambda *a, **k: None
            def setToolTip(self, text: str) -> None: pass
            def setCheckable(self, value: bool) -> None: pass
            def setChecked(self, value: bool) -> None: self._checked = value

        class _MockMenu:
            def __init__(self, *args, **kwargs): self._actions = []
            def addAction(self, action): self._actions.append(action)
            def removeAction(self, action): 
                if action in self._actions: self._actions.remove(action)
            def clear(self): self._actions.clear()
            def menuAction(self): return self

        class _MockToolBar:
            def __init__(self, *args, **kwargs): self._actions = []
            def setObjectName(self, name: str) -> None: pass
            def addAction(self, action): self._actions.append(action)
            def removeAction(self, action): 
                if action in self._actions: self._actions.remove(action)
            def clear(self): self._actions.clear()

        class _MockActionGroup:
            def __init__(self, *args, **kwargs): self._actions = []
            def setExclusive(self, value: bool) -> None: pass
            def addAction(self, action): self._actions.append(action)

        QAction = _MockAction
        QMenu = _MockMenu
        QToolBar = _MockToolBar
        QActionGroup = _MockActionGroup

        class _MockToolButton(_MockWidget):
            def __init__(self, *args, **kwargs):
                self._checked = False
                self.toggled = lambda *a, **k: None
            def setText(self, text: str) -> None: pass
            def setCheckable(self, value: bool) -> None: pass
            def setChecked(self, value: bool) -> None: self._checked = value
            def setToolButtonStyle(self, *args, **kwargs): pass
            def setArrowType(self, *args, **kwargs): pass
            def setStyleSheet(self, *args, **kwargs): pass

        QToolButton = _MockToolButton

        class _MockQSizePolicy:
            Preferred = 3
            Maximum = 2

        QSizePolicy = _MockQSizePolicy
        SizePolicyPreferred = QSizePolicy.Preferred
        SizePolicyMaximum = QSizePolicy.Maximum
        DockWidgetMovable = 1
        DockWidgetFloatable = 2
        DockWidgetClosable = 4

        class _MockTabWidget:
            def __init__(self, *args, **kwargs): self._tabs = []
            def addTab(self, widget, title: str): self._tabs.append((widget, title))

        QTabWidget = _MockTabWidget

        class _MockComboBox:
            def __init__(self, parent=None):
                self._items = []
                self._index = -1
                self.currentTextChanged = type('Signal', (), {'connect': lambda s, cb: None, 'emit': lambda s, v: None})()
            def addItem(self, text: str) -> None: self._items.append(text)
            def addItems(self, items): [self.addItem(it) for it in items]
            def findText(self, text: str) -> int: 
                return self._items.index(text) if text in self._items else -1
            def setCurrentIndex(self, idx: int) -> None:
                if 0 <= idx < len(self._items):
                    self._index = idx
                    self.currentTextChanged.emit(self.currentText())
            def setCurrentText(self, text: str) -> None:
                idx = self.findText(text)
                if idx >= 0: self.setCurrentIndex(idx)
            def currentText(self) -> str:
                return self._items[self._index] if 0 <= self._index < len(self._items) else ""

        QComboBox = _MockComboBox

        
        # ---------------------------
        # Mock für QVariant
        # ---------------------------

        class _MockQVariant:
            """
            Minimaler Ersatz für QtCore.QVariant.

            Ziel:
            - Werte transparent durchreichen
            - Typ-Konstanten bereitstellen
            - Keine Qt-Abhängigkeiten
            """

            # Typ-Konstanten (symbolisch, Werte egal)
            Invalid = 0
            Int = 1
            Double = 2
            String = 3
            Bool = 4
            Date = 5
            DateTime = 6

            def __init__(self, value: Any = None):
                self._value = value

            def value(self) -> Any:
                return self._value

            def __repr__(self) -> str:
                return f"QVariant({self._value!r})"

            # Optional: automatische Entpackung
            def __int__(self):
                return int(self._value)

            def __float__(self):
                return float(self._value)

            def __str__(self):
                return str(self._value)
        QVariant = _MockQVariant

        class _MockQHBoxLayout:
            def __init__(self, *args, **kwargs):
                self._widgets = []

            def addWidget(self, widget):
                self._widgets.append(widget)

            def addLayout(self, layout):
                pass

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

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

            def setContentsMargins(self, *args, **kwargs):
                pass
        QHBoxLayout = _MockQHBoxLayout
        def exec_dialog(dialog: Any) -> Any:
            return YES
# --------------------------- TEST ---------------------------
if __name__ == "__main__":
    debug_qt_status()