"""Journal des événements de connexion WGSecure."""
import os
import json
from datetime import datetime
from app.utils.platform_utils import get_config_dir

_FILE = "events.json"
_MAX_ENTRIES = 200


def _path() -> str:
    return os.path.join(get_config_dir(), _FILE)


def log_event(msg: str, kind: str = "info") -> None:
    """Ajoute un événement horodaté au journal."""
    events = _load()
    events.append({
        "ts": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
        "kind": kind,   # info | success | error | warning
        "msg": msg,
    })
    _save(events[-_MAX_ENTRIES:])


def get_events(n: int = 50) -> list[dict]:
    return _load()[-n:]


def clear() -> None:
    _save([])


def _load() -> list[dict]:
    p = _path()
    if not os.path.exists(p):
        return []
    try:
        with open(p, "r", encoding="utf-8") as f:
            return json.load(f)
    except Exception:
        return []


def _save(events: list[dict]) -> None:
    try:
        with open(_path(), "w", encoding="utf-8") as f:
            json.dump(events, f, ensure_ascii=False)
    except Exception:
        pass