"""
User.

A user in the analytics service is a simple namedtuple that contains an id and
the account type. Since those information are coming from trusted sources (
grass, no need to validate them.)
"""

from collections import namedtuple

from oto import response as oto_response

User = namedtuple(
    'User',
    ['user_id', 'user_type'])


LOCAL_USER_TYPES = dict(
    subaccount='S',
    vendor='L')


def create_user(user_id, user_type):
    """Create a user.

    Args:
        id (int): the user id.
        type (str): the user type (subaccount or label).

    Returns:
        User: the user.

    """
    user_type = user_type.lower()
    if user_type not in LOCAL_USER_TYPES.keys():
        return oto_response.Response(
            errors={'user_type': 'The account type is not recognized.'})

    return oto_response.Response(
        message=User(user_id=int(user_id),
                     user_type=LOCAL_USER_TYPES.get(user_type)))