import json

import ofscraper.utils.config.file as config_file


def get_custom(config=None):
    if config == False:
        return None
    config = config or config_file.open_config()
    value = config.get("custom") or config.get("advanced_options", {}).get(
        "custom_values"
    )
    if isinstance(value, str):
        try:
            return json.loads(value)
        except json.JSONDecodeError:
            return None
    return value