"""
Created on 2013.05.31

@author: Giovanni Cannata

Copyright 2013 Giovanni Cannata

This file is part of python3-ldap.

python3-ldap is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

python3-ldap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with python3-ldap in the COPYING and COPYING.LESSER files.
If not, see <http://www.gnu.org/licenses/>.
"""
from ..protocol.convert import validate_attribute_value
from ..protocol.rfc4511 import CompareRequest, AttributeValueAssertion, AttributeDescription, LDAPDN, AssertionValue, ResultCode
from ..operation.search import ava_to_dict
from ..operation.bind import referrals_to_list

# CompareRequest ::= [APPLICATION 14] SEQUENCE {
#     entry           LDAPDN,
#     ava             AttributeValueAssertion }


def compare_operation(dn,
                      attribute,
                      value,
                      schema=None):
    ava = AttributeValueAssertion()
    ava['attributeDesc'] = AttributeDescription(attribute)
    ava['assertionValue'] = AssertionValue(validate_attribute_value(schema, attribute, value))

    request = CompareRequest()
    request['entry'] = LDAPDN(dn)
    request['ava'] = ava

    return request


def compare_request_to_dict(request):
    ava = ava_to_dict(request['ava'])
    return {'entry': str(request['entry']), 'attribute': ava['attribute'], 'value': ava['value']}


def compare_response_to_dict(response):
    return {'result': int(response[0]), 'description': ResultCode().getNamedValues().getName(response[0]), 'dn': str(response['matchedDN']), 'message': str(response['diagnosticMessage']), 'referrals': referrals_to_list(response['referral']), }