"""Tiny user-editable config file: ~/.local/state/audio-panel/config.json.

Read once at startup (main.py); same pattern as the rest of the Cosmonaut Shell
suite's config.py (orbit-menu, horizon-dock, transmitter-panel).
"""

from __future__ import annotations

import json

from paths import CONFIG_FILE, ensure_dirs

_DEFAULTS = {"hologram": False}


def _load() -> dict:
    try:
        data = json.loads(CONFIG_FILE.read_text())
    except (FileNotFoundError, json.JSONDecodeError):
        data = {}
    merged = {**_DEFAULTS, **data}
    if not CONFIG_FILE.exists():
        ensure_dirs()
        CONFIG_FILE.write_text(json.dumps(merged, indent=2) + "\n")
    return merged


def hologram_enabled() -> bool:
    return bool(_load().get("hologram", True))


def set_hologram_enabled(value: bool) -> None:
    data = _load()
    data["hologram"] = bool(value)
    ensure_dirs()
    CONFIG_FILE.write_text(json.dumps(data, indent=2) + "\n")