import re
from phi.logging import get_logger

log = get_logger(__name__)


def make_user_dict(client, entry):
    attributes = entry['attributes']

    user = {}
    user['uid'] = attributes['uid'][0]
    user['dn'] = 'uid={},ou=Hackers,{}'.format(user['uid'], client.base_dn)
    user['cn'] = attributes['cn'][0]
    user['sn'] = attributes['sn'][0]
    user['mail'] = attributes['mail'][0]
    user['password'] = attributes['userPassword'][0]

    return user


def get_uid_from_dn(client, dn):
    uid = re.search('uid=(.+?),ou=Hackers,{}'.format(client.base_dn),
                    dn).group(1)
    return uid


def make_group_dict(client, entry):
    attributes = entry['attributes']

    cn = attributes['cn'][0]
    dn = 'cn={},ou=Groups,{}'.format(cn, client.base_dn)
    members = [get_uid_from_dn(client, u_dn)
               for u_dn in attributes['member']]

    group = {}
    group['dn'] = dn
    group['cn'] = cn
    group['members'] = members

    return group


def get_response(client, response_id):
    response, result, request = client.connection.get_response(
        response_id, get_request=True
    )

    log.debug("Request: {}".format(request))
    log.debug("Response: {}".format(response))
    log.debug("Result: {}".format(result))

    if result['description'] is not 'success':
        raise Exception(result['description'])

    return response


def add_entry(client, dn, attributes):
    log.info('Adding entry with distinguiscet name: {}'
             'and attributes {}'.format(dn, attributes))
    response_id = client.connection.add(dn, attributes=attributes)
    response = get_response(client, response_id)
    return response


def delete_entry(client, dn):
    log.info('Deleting entry with distinguiscet name: {}')
    response_id = client.connection.delete(dn)
    response = get_response(client, response_id)
    return response