from typing import List, Dict, Union

from .utils import bytes_to_strings


class UWLDAPRecord:
    """Represents a record from the UW LDAP."""

    def __init__(
        self,
        uid: str,
        program: Union[str, None],
        mail_local_addresses: List[str],
    ):
        self.uid = uid
        self.program = program
        self.mail_local_addresses = mail_local_addresses

    @staticmethod
    def deserialize_from_ldap(self, data: Dict[str, List[bytes]]):
        """
        Deserializes a dict returned from ldap.search_s() into a
        UWLDAPRecord.
        """
        data = bytes_to_strings(data)
        return UWLDAPRecord(
            uid=data['uid'][0],
            program=data.get('ou', [None])[0],
            mail_local_addresses=data['mailLocalAddress'],
        )