# All Rights Reserved 2020
#
#    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.

import copy

from oslo_utils import uuidutils

from neutron_taas.taas_client.osc import tap_flow as osc_tap_flow
from neutron_taas.taas_client.osc import tap_service as osc_tap_service


class FakeTapService(object):

    @staticmethod
    def create_tap_service(attrs=None):
        """Create a fake tap service."""
        attrs = attrs or {}
        tap_service_attrs = {
            'id': uuidutils.generate_uuid(),
            'tenant_id': uuidutils.generate_uuid(),
            'name': 'test_tap_service' + uuidutils.generate_uuid(),
            'status': 'ACTIVE',
        }
        tap_service_attrs.update(attrs)
        return copy.deepcopy(tap_service_attrs)

    @staticmethod
    def create_tap_services(attrs=None, count=1):
        """Create multiple fake tap services."""

        tap_services = []
        for i in range(0, count):
            if attrs is None:
                attrs = {'id': 'fake_id%d' % i}
            elif getattr(attrs, 'id', None) is None:
                attrs['id'] = 'fake_id%d' % i
            tap_services.append(FakeTapService.create_tap_service(
                attrs=attrs))

        return {osc_tap_service.TAP_SERVICES: tap_services}


class FakeTapFlow(object):

    @staticmethod
    def create_tap_flow(attrs=None):
        """Create a fake tap service."""
        attrs = attrs or {}
        tap_flow_attrs = {
            'id': uuidutils.generate_uuid(),
            'tenant_id': uuidutils.generate_uuid(),
            'name': 'test_tap_flow' + uuidutils.generate_uuid(),
            'status': 'ACTIVE',
            'direction': 'BOTH',
        }
        tap_flow_attrs.update(attrs)
        return copy.deepcopy(tap_flow_attrs)

    @staticmethod
    def create_tap_flows(attrs=None, count=1):
        """Create multiple fake tap flows."""

        tap_flows = []
        for i in range(0, count):
            if attrs is None:
                attrs = {
                    'id': 'fake_id%d' % i,
                    'source_port': uuidutils.generate_uuid(),
                    'tap_service_id': uuidutils.generate_uuid()
                }
            elif getattr(attrs, 'id', None) is None:
                attrs['id'] = 'fake_id%d' % i
            tap_flows.append(FakeTapFlow.create_tap_flow(attrs=attrs))

        return {osc_tap_flow.TAP_FLOWS: tap_flows}
