import tomllib
from pathlib import Path
import logging

def read_toml_file(file_path: str) -> dict:
    try:
        with open(file_path, "rb") as file:
            return tomllib.load(file)
    except FileNotFoundError:
        logging.error(f"File {file_path} not found.")
        return {}
    except tomllib.TOMLDecodeError as e:
        logging.error(f"Error parsing {file_path}: {e}")
        return {}

def write_toml_file(file_path: str, data: dict) -> None:
    with open(file_path, "w") as file:
        toml.dump(data, file)

def create_backup(file_path: str) -> str:
    config_path = Path(file_path)
    backup_dir = config_path.parent / "backups"
    backup_dir.mkdir(exist_ok=True)

    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
    backup_file = backup_dir / f"{config_path.stem}_{timestamp}.toml"
    shutil.copy2(file_path, backup_file)
    logging.info(f"Backup created: {backup_file}")
    return backup_file