"""从 rpa_oms/.env 读本机配置。该文件已 gitignore，不覆盖已有环境变量。"""
from __future__ import annotations

import os
from pathlib import Path

_ENV_PATH = Path(__file__).resolve().parents[1] / ".env"


def load_local_env(path: Path | None = None) -> None:
    env_path = path if path is not None else _ENV_PATH
    if not env_path.is_file():
        return
    for raw in env_path.read_text(encoding="utf-8").splitlines():
        line = raw.strip()
        if not line or line.startswith("#") or "=" not in line:
            continue
        key, _, value = line.partition("=")
        key = key.strip()
        value = value.strip()
        if len(value) >= 2 and value[0] == value[-1] and value[0] in {'"', "'"}:
            value = value[1:-1]
        if key and key not in os.environ:
            os.environ[key] = value