"""Tiny non-Windows winreg compatibility shim.

The upstream Proxy God code is Windows-first and imports ``winreg`` in several
modules. macOS does not ship that module. This shim keeps imports working and
makes registry operations behave like unavailable keys.
"""
from __future__ import annotations

HKEY_CURRENT_USER = object()
HKEY_LOCAL_MACHINE = object()
KEY_QUERY_VALUE = 0x0001
KEY_SET_VALUE = 0x0002
KEY_ALL_ACCESS = 0xF003F
REG_BINARY = 3
REG_DWORD = 4
REG_SZ = 1


class HKEYType:
    def __enter__(self) -> "HKEYType":
        return self

    def __exit__(self, exc_type, exc, tb) -> bool:
        return False


def OpenKey(*args, **kwargs) -> HKEYType:
    raise OSError("winreg is unavailable on this platform")


def CreateKeyEx(*args, **kwargs) -> HKEYType:
    raise OSError("winreg is unavailable on this platform")


def QueryValue(*args, **kwargs):
    raise OSError("winreg is unavailable on this platform")


def QueryValueEx(*args, **kwargs):
    raise OSError("winreg is unavailable on this platform")


def SetValueEx(*args, **kwargs) -> None:
    raise OSError("winreg is unavailable on this platform")


def DeleteValue(*args, **kwargs) -> None:
    raise OSError("winreg is unavailable on this platform")


def DeleteKey(*args, **kwargs) -> None:
    raise OSError("winreg is unavailable on this platform")


def EnumValue(*args, **kwargs):
    raise OSError("winreg is unavailable on this platform")


def EnumKey(*args, **kwargs):
    raise OSError("winreg is unavailable on this platform")