# Copyright (c) 2017 Ericsson AB.
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License");
#    you may not use this file except in compliance with the License.
#    You may obtain a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS,
#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#    See the License for the specific language governing permissions and
#    limitations under the License.
#
# Copyright (c) 2019 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#


from dcdbsync.dbsyncclient import base
from dcdbsync.dbsyncclient.base import get_json
from dcdbsync.dbsyncclient import exceptions


class RevokeEvent(base.Resource):
    resource_name = 'token_revoke_event'

    def __init__(self, manager, id, domain_id, project_id, user_id, role_id,
                 trust_id, consumer_id, access_token_id, issued_before,
                 expires_at, revoked_at, audit_id, audit_chain_id):
        self.manager = manager
        self.id = id
        self.domain_id = domain_id
        self.project_id = project_id
        self.user_id = user_id
        self.role_id = role_id
        self.trust_id = trust_id
        self.consumer_id = consumer_id
        self.access_token_id = access_token_id
        self.issued_before = issued_before
        self.expires_at = expires_at
        self.revoked_at = revoked_at
        self.audit_id = audit_id
        self.audit_chain_id = audit_chain_id

    def info(self):
        resource_info = dict()
        resource_info.update({self.resource_name:
                             {'id': self.id,
                              'project_id': self.project_id,
                              'user_id': self.user_id,
                              'role_id': self.role_id,
                              'audit_id': self.audit_id,
                              'issued_before': self.issued_before}})
        return resource_info


class revoke_event_manager(base.ResourceManager):
    resource_class = RevokeEvent

    def revoke_event_create(self, url, data):
        resp = self.http_client.post(url, data)

        # Unauthorized
        if resp.status_code == 401:
            raise exceptions.Unauthorized('Unauthorized request')
        if resp.status_code != 201:
            self._raise_api_exception(resp)

        # Converted into python dict
        json_object = get_json(resp)
        return json_object

    def revoke_events_list(self, url):
        resp = self.http_client.get(url)

        # Unauthorized
        if resp.status_code == 401:
            raise exceptions.Unauthorized('Unauthorized request')
        if resp.status_code != 200:
            self._raise_api_exception(resp)

        # Converted into python dict
        json_objects = get_json(resp)

        revoke_events = []
        for json_object in json_objects:
            json_object = json_object.get('revocation_event')
            revoke_event = RevokeEvent(
                self,
                id=json_object['id'],
                domain_id=json_object['domain_id'],
                project_id=json_object['project_id'],
                user_id=json_object['user_id'],
                role_id=json_object['role_id'],
                trust_id=json_object['trust_id'],
                consumer_id=json_object['consumer_id'],
                access_token_id=json_object['access_token_id'],
                issued_before=json_object['issued_before'],
                expires_at=json_object['expires_at'],
                revoked_at=json_object['revoked_at'],
                audit_id=json_object['audit_id'],
                audit_chain_id=json_object['audit_chain_id'])

            revoke_events.append(revoke_event)

        return revoke_events

    def _revoke_event_detail(self, url):
        resp = self.http_client.get(url)

        # Unauthorized
        if resp.status_code == 401:
            raise exceptions.Unauthorized('Unauthorized request')
        if resp.status_code != 200:
            self._raise_api_exception(resp)

        # Return revoke_event details in original json format,
        # ie, without convert it into python dict
        return resp.content

    def _revoke_event_delete(self, url):
        resp = self.http_client.delete(url)

        # Unauthorized
        if resp.status_code == 401:
            raise exceptions.Unauthorized('Unauthorized request')
        # NotFound
        if resp.status_code == 404:
            raise exceptions.NotFound('Requested item not found')
        if resp.status_code != 204:
            self._raise_api_exception(resp)

    def add_revoke_event(self, data):
        url = '/identity/token-revocation-events/'
        return self.revoke_event_create(url, data)

    def list_revoke_events(self):
        url = '/identity/token-revocation-events/'
        return self.revoke_events_list(url)

    def revoke_event_detail(self, user_id=None, audit_id=None):
        if user_id:
            url = '/identity/token-revocation-events/users/%s' % user_id
        elif audit_id:
            url = '/identity/token-revocation-events/audits/%s' % audit_id
        else:
            raise exceptions.\
                IllegalArgumentException('Token revocation event user ID'
                                         ' or audit ID required.')

        return self._revoke_event_detail(url)

    def delete_revoke_event(self, user_id=None, audit_id=None):
        if user_id:
            url = '/identity/token-revocation-events/users/%s' % user_id
        elif audit_id:
            url = '/identity/token-revocation-events/audits/%s' % audit_id
        else:
            raise exceptions.\
                IllegalArgumentException('Token revocation event ID'
                                         ' or audit ID required.')

        return self._revoke_event_delete(url)