"""
modules/airplane_mode.py — Phase 4: Airplane mode toggle (Windows).

Windows does not provide a stable public CLI toggle for Airplane Mode.
Best-effort approach:
- Try to set SystemRadioState registry value (requires admin) and report status.
"""

from __future__ import annotations

import subprocess
from dataclasses import dataclass


@dataclass(frozen=True, slots=True)
class AirResult:
    ok: bool
    message: str


def _ps(cmd: str) -> subprocess.CompletedProcess[str]:
    return subprocess.run(
        ["powershell", "-NoProfile", "-ExecutionPolicy", "Bypass", "-Command", cmd],
        capture_output=True,
        text=True,
        shell=False,
    )


def set_airplane(enabled: bool) -> AirResult:
    val = 0 if enabled else 1
    r = _ps(
        "try { "
        "Set-ItemProperty -Path 'HKLM:\\\\System\\\\CurrentControlSet\\\\Control\\\\RadioManagement' "
        f"-Name 'SystemRadioState' -Value {val} -ErrorAction Stop; "
        "'OK' } catch { 'FAIL:' + $_.Exception.Message }"
    )
    out = (r.stdout or "").strip()
    if out == "OK":
        return AirResult(True, f"Airplane mode {'ON' if enabled else 'OFF'} (radio state updated).")
    msg = (out or r.stderr or "").strip()
    if "access is denied" in msg.lower():
        return AirResult(False, "Airplane mode toggle needs admin permission.")
    return AirResult(False, f"Airplane mode toggle failed: {msg[:160]}")