# Copyright (C) 2019 Verizon. 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.

import uuid
import mock

from rest_framework.test import APIClient
from django.test import TestCase

from genericparser.pub.database.models import VnfPkgSubscriptionModel
from .const import vnf_subscription_data


class TestNfPackageSubscription(TestCase):
    def setUp(self):
        self.client = APIClient()
        VnfPkgSubscriptionModel.objects.filter().delete()
        self.vnf_subscription_data = vnf_subscription_data

    def tearDown(self):
        pass

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_create_vnf_subscription(self, mock_uuid4, mock_requests):
        temp_uuid = "99442b18-a5c7-11e8-998c-bf1755941f13"
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.return_value = temp_uuid
        response = self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        self.assertEqual(201, response.status_code)
        self.assertEqual(
            self.vnf_subscription_data["callbackUri"],
            response.data["callbackUri"]
        )
        self.assertEqual(temp_uuid, response.data["id"])

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_duplicate_subscriptions(self, mock_uuid4, mock_requests):
        temp_uuid = "99442b18-a5c7-11e8-998c-bf1755941f13"
        temp1_uuid = "00342b18-a5c7-11e8-998c-bf1755941f12"
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.side_effect = [temp_uuid, temp1_uuid]
        response = self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        self.assertEqual(201, response.status_code)
        self.assertEqual(
            self.vnf_subscription_data["callbackUri"],
            response.data["callbackUri"]
        )
        self.assertEqual(temp_uuid, response.data["id"])
        temp_uuid = "00442b18-a5c7-11e8-998c-bf1755941f12"
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.return_value = temp_uuid
        response = self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        self.assertEqual(303, response.status_code)

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_get_subscriptions(self, mock_uuid4, mock_requests):
        temp_uuid = "99442b18-a5c7-11e8-998c-bf1755941f13"
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.return_value = temp_uuid
        self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        response = self.client.get(
            "/api/vnfpkgm/v1/subscriptions?usageState=IN_USE",
            format='json'
        )
        self.assertEqual(200, response.status_code)
        self.assertEqual(1, len(response.data))

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_get_subscriptions_with_invalid_params(self, mock_uuid4, mock_requests):
        temp_uuid = "99442b18-a5c7-11e8-998c-bf1755941f13"
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.return_value = temp_uuid
        self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        response = self.client.get(
            "/api/vnfpkgm/v1/subscriptions?dummy=dummy",
            format='json'
        )
        self.assertEqual(400, response.status_code)

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_get_subscription_with_id(self, mock_uuid4, mock_requests):
        temp_uuid = "99442b18-a5c7-11e8-998c-bf1755941f13"
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.return_value = temp_uuid
        self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        response = self.client.get(
            "/api/vnfpkgm/v1/subscriptions/%s" % temp_uuid,
            format='json'
        )
        self.assertEqual(200, response.status_code)
        self.assertEqual(temp_uuid, response.data["id"])

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_get_subscription_with_id_not_exists(self, mock_uuid4, mock_requests):
        temp_uuid = "99442b18-a5c7-11e8-998c-bf1755941f13"
        dummy_uuid = str(uuid.uuid4())
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.return_value = temp_uuid
        self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        response = self.client.get(
            "/api/vnfpkgm/v1/subscriptions/%s" % dummy_uuid,
            format='json'
        )
        self.assertEqual(404, response.status_code)

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_delete_subscription_with_id(self, mock_uuid4, mock_requests):
        temp_uuid = "99442b18-a5c7-11e8-998c-bf1755941f13"
        dummy_uuid = str(uuid.uuid4())
        mock_requests.return_value.status_code = 204
        mock_requests.get.status_code = 204
        mock_uuid4.return_value = temp_uuid
        self.client.post(
            "/api/vnfpkgm/v1/subscriptions",
            data=self.vnf_subscription_data,
            format='json'
        )
        self.client.get(
            "/api/vnfpkgm/v1/subscriptions/%s" % dummy_uuid,
            format='json'
        )
        response = self.client.delete("/api/vnfpkgm/v1/subscriptions/%s" % temp_uuid)
        self.assertEqual(204, response.status_code)

    @mock.patch("requests.get")
    @mock.patch.object(uuid, 'uuid4')
    def test_delete_subscription_with_id_not_exists(self, mock_uuid4, mock_requests):
        dummy_uuid = str(uuid.uuid4())
        response = self.client.delete("/api/vnfpkgm/v1/subscriptions/%s" % dummy_uuid)
        self.assertEqual(404, response.status_code)