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

Read once at startup (main.py); a change takes effect on the next
mnotifhist-start.sh restart, not live. Same pattern as orbit-menu/
horizon-dock/astro-menu/station-bar/mnotifd's config.py.
"""

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))