"""
Config related tools.
"""

import dataclasses
import yaml

from typing import Optional

@dataclasses.dataclass
class Config:
    username: str
    homeserver: str
    password: str
    rooms: list[str]

def load_config(file:str)->Config:
    """
        Load the config from the config file.
    """
    with open(file, 'r') as f:
        data = yaml.load(f, Loader=yaml.loader.SafeLoader)
    config = Config(**data)
    return config