"""
Utility helpers for loading Nova-related environment files.
"""

import os
from pathlib import Path


def load_local_env() -> None:
    """Load `.env.local` from the nova-sim root so configs pick up saved credentials."""
    root = Path(__file__).resolve().parents[2]
    env_path = root / ".env.local"
    if not env_path.exists():
        return

    with env_path.open("r") as fp:
        for raw in fp:
            line = raw.strip()
            if not line or line.startswith("#") or "=" not in line:
                continue
            key, value = line.split("=", 1)
            os.environ.setdefault(key.strip(), value.strip())