import hashlib
import json


def check_required_params(flow, context):
    """Check for required params

    Args:
        flow (Flow): flow object
        context (dict): dictionary
    """

    if hasattr(flow, 'required_params') and hasattr(flow, 'available_params'):
        context_dict = json.loads(context)
        required_params = sorted(flow.required_params)

        available_required_params = sorted([
            k for k, v in context_dict.items() if k in required_params
        ])

        return available_required_params == required_params
    return True


def _hashFor(data):
    """Generate random unique key from the data

    Args:
        data (str): data to be hashed

    Returns:
        str: hashed data
    """

    hashId = hashlib.md5()

    hashId.update(repr(data).encode('utf-8'))

    return hashId.hexdigest()