# Copyright (c) 2014 eBay Software Foundation
# Copyright 2015 HP Software, LLC
# 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.

from django.core.urlresolvers import reverse
from django import http

from mox3.mox import IsA  # noqa

from openstack_dashboard import api
from openstack_dashboard.contrib.trove import api as trove_api
from openstack_dashboard.test import helpers as test

from troveclient import common


INDEX_URL = reverse('horizon:project:database_clusters:index')
LAUNCH_URL = reverse('horizon:project:database_clusters:launch')
DETAILS_URL = reverse('horizon:project:database_clusters:detail', args=['id'])
ADD_SHARD_VIEWNAME = 'horizon:project:database_clusters:add_shard'
RESET_PASSWORD_VIEWNAME = 'horizon:project:database_clusters:reset_password'


class ClustersTests(test.TestCase):
    @test.create_stubs({trove_api.trove: ('cluster_list',
                                          'flavor_list')})
    def test_index(self):
        clusters = common.Paginated(self.trove_clusters.list())
        trove_api.trove.cluster_list(IsA(http.HttpRequest), marker=None)\
            .AndReturn(clusters)
        trove_api.trove.flavor_list(IsA(http.HttpRequest))\
            .AndReturn(self.flavors.list())

        self.mox.ReplayAll()
        res = self.client.get(INDEX_URL)
        self.assertTemplateUsed(res, 'project/database_clusters/index.html')

    @test.create_stubs({trove_api.trove: ('cluster_list',
                                          'flavor_list')})
    def test_index_flavor_exception(self):
        clusters = common.Paginated(self.trove_clusters.list())
        trove_api.trove.cluster_list(IsA(http.HttpRequest), marker=None)\
            .AndReturn(clusters)
        trove_api.trove.flavor_list(IsA(http.HttpRequest))\
            .AndRaise(self.exceptions.trove)

        self.mox.ReplayAll()
        res = self.client.get(INDEX_URL)
        self.assertTemplateUsed(res, 'project/database_clusters/index.html')
        self.assertMessageCount(res, error=1)

    @test.create_stubs({trove_api.trove: ('cluster_list',)})
    def test_index_list_exception(self):
        trove_api.trove.cluster_list(IsA(http.HttpRequest), marker=None)\
            .AndRaise(self.exceptions.trove)

        self.mox.ReplayAll()
        res = self.client.get(INDEX_URL)
        self.assertTemplateUsed(res, 'project/database_clusters/index.html')
        self.assertMessageCount(res, error=1)

    @test.create_stubs({trove_api.trove: ('cluster_list',
                                          'flavor_list')})
    def test_index_pagination(self):
        clusters = self.trove_clusters.list()
        last_record = clusters[0]
        clusters = common.Paginated(clusters, next_marker="foo")
        trove_api.trove.cluster_list(IsA(http.HttpRequest), marker=None)\
            .AndReturn(clusters)
        trove_api.trove.flavor_list(IsA(http.HttpRequest))\
            .AndReturn(self.flavors.list())

        self.mox.ReplayAll()
        res = self.client.get(INDEX_URL)
        self.assertTemplateUsed(res, 'project/database_clusters/index.html')
        self.assertContains(
            res, 'marker=' + last_record.id)

    @test.create_stubs({trove_api.trove: ('cluster_list',
                                          'flavor_list')})
    def test_index_flavor_list_exception(self):
        clusters = common.Paginated(self.trove_clusters.list())
        trove_api.trove.cluster_list(IsA(http.HttpRequest), marker=None)\
            .AndReturn(clusters)
        trove_api.trove.flavor_list(IsA(http.HttpRequest))\
            .AndRaise(self.exceptions.trove)

        self.mox.ReplayAll()

        res = self.client.get(INDEX_URL)

        self.assertTemplateUsed(res, 'project/database_clusters/index.html')
        self.assertMessageCount(res, error=1)

    @test.create_stubs({trove_api.trove: ('datastore_flavors',
                                          'datastore_list',
                                          'datastore_version_list'),
                        api.base: ['is_service_enabled']})
    def test_launch_cluster(self):
        api.base.is_service_enabled(IsA(http.HttpRequest), 'network')\
            .AndReturn(False)
        trove_api.trove.datastore_flavors(IsA(http.HttpRequest),
                                          'mongodb', '2.6')\
            .AndReturn(self.flavors.list())
        trove_api.trove.datastore_list(IsA(http.HttpRequest))\
            .AndReturn(self.datastores.list())
        trove_api.trove.datastore_version_list(IsA(http.HttpRequest),
                                               IsA(str))\
            .AndReturn(self.datastore_versions.list())
        self.mox.ReplayAll()
        res = self.client.get(LAUNCH_URL)
        self.assertTemplateUsed(res, 'project/database_clusters/launch.html')

    @test.create_stubs({trove_api.trove: ['datastore_flavors',
                                          'cluster_create',
                                          'datastore_list',
                                          'datastore_version_list'],
                        api.base: ['is_service_enabled']})
    def test_create_simple_cluster(self):
        api.base.is_service_enabled(IsA(http.HttpRequest), 'network')\
            .AndReturn(False)
        trove_api.trove.datastore_flavors(IsA(http.HttpRequest),
                                          'mongodb', '2.6')\
            .AndReturn(self.flavors.list())
        trove_api.trove.datastore_list(IsA(http.HttpRequest))\
            .AndReturn(self.datastores.list())
        trove_api.trove.datastore_version_list(IsA(http.HttpRequest), IsA(str))\
            .AndReturn(self.datastore_versions.list())

        cluster_name = u'MyCluster'
        cluster_volume = 1
        cluster_flavor = u'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
        cluster_instances = 3
        cluster_datastore = u'mongodb'
        cluster_datastore_version = u'2.6'
        cluster_network = u''
        trove_api.trove.cluster_create(
            IsA(http.HttpRequest),
            cluster_name,
            cluster_volume,
            cluster_flavor,
            cluster_instances,
            datastore=cluster_datastore,
            datastore_version=cluster_datastore_version,
            nics=cluster_network,
            root_password=None).AndReturn(self.trove_clusters.first())

        self.mox.ReplayAll()
        post = {
            'name': cluster_name,
            'volume': cluster_volume,
            'num_instances': cluster_instances,
            'num_shards': 1,
            'num_instances_per_shards': cluster_instances,
            'datastore': cluster_datastore + u'-' + cluster_datastore_version,
            'mongodb_flavor': cluster_flavor,
            'network': cluster_network
        }

        res = self.client.post(LAUNCH_URL, post)
        self.assertNoFormErrors(res)
        self.assertMessageCount(success=1)

    @test.create_stubs({trove_api.trove: ['datastore_flavors',
                                          'cluster_create',
                                          'datastore_list',
                                          'datastore_version_list'],
                        api.neutron: ['network_list_for_tenant'],
                        api.base: ['is_service_enabled']})
    def test_create_simple_cluster_neutron(self):
        api.base.is_service_enabled(IsA(http.HttpRequest), 'network')\
            .AndReturn(True)
        api.neutron.network_list_for_tenant(IsA(http.HttpRequest), '1')\
            .AndReturn(self.networks.list())
        trove_api.trove.datastore_flavors(IsA(http.HttpRequest),
                                          'mongodb', '2.6')\
            .AndReturn(self.flavors.list())
        trove_api.trove.datastore_list(IsA(http.HttpRequest))\
            .AndReturn(self.datastores.list())
        trove_api.trove.datastore_version_list(IsA(http.HttpRequest), IsA(str))\
            .AndReturn(self.datastore_versions.list())

        cluster_name = u'MyCluster'
        cluster_volume = 1
        cluster_flavor = u'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
        cluster_instances = 3
        cluster_datastore = u'mongodb'
        cluster_datastore_version = u'2.6'
        cluster_network = u'82288d84-e0a5-42ac-95be-e6af08727e42'
        trove_api.trove.cluster_create(
            IsA(http.HttpRequest),
            cluster_name,
            cluster_volume,
            cluster_flavor,
            cluster_instances,
            datastore=cluster_datastore,
            datastore_version=cluster_datastore_version,
            nics=cluster_network,
            root_password=None).AndReturn(self.trove_clusters.first())

        self.mox.ReplayAll()
        post = {
            'name': cluster_name,
            'volume': cluster_volume,
            'num_instances': cluster_instances,
            'num_shards': 1,
            'num_instances_per_shards': cluster_instances,
            'datastore': cluster_datastore + u'-' + cluster_datastore_version,
            'mongodb_flavor': cluster_flavor,
            'network': cluster_network
        }

        res = self.client.post(LAUNCH_URL, post)
        self.assertNoFormErrors(res)
        self.assertMessageCount(success=1)

    @test.create_stubs({trove_api.trove: ['datastore_flavors',
                                          'cluster_create',
                                          'datastore_list',
                                          'datastore_version_list'],
                        api.neutron: ['network_list_for_tenant']})
    def test_create_simple_cluster_exception(self):
        api.neutron.network_list_for_tenant(IsA(http.HttpRequest), '1')\
            .AndReturn(self.networks.list())
        trove_api.trove.datastore_flavors(IsA(http.HttpRequest),
                                          'mongodb', '2.6')\
            .AndReturn(self.flavors.list())
        trove_api.trove.datastore_list(IsA(http.HttpRequest))\
            .AndReturn(self.datastores.list())
        trove_api.trove.datastore_version_list(IsA(http.HttpRequest), IsA(str))\
            .AndReturn(self.datastore_versions.list())

        cluster_name = u'MyCluster'
        cluster_volume = 1
        cluster_flavor = u'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
        cluster_instances = 3
        cluster_datastore = u'mongodb'
        cluster_datastore_version = u'2.6'
        cluster_network = u'82288d84-e0a5-42ac-95be-e6af08727e42'
        trove_api.trove.cluster_create(
            IsA(http.HttpRequest),
            cluster_name,
            cluster_volume,
            cluster_flavor,
            cluster_instances,
            datastore=cluster_datastore,
            datastore_version=cluster_datastore_version,
            nics=cluster_network,
            root_password=None).AndReturn(self.trove_clusters.first())

        self.mox.ReplayAll()
        post = {
            'name': cluster_name,
            'volume': cluster_volume,
            'num_instances': cluster_instances,
            'num_shards': 1,
            'num_instances_per_shards': cluster_instances,
            'datastore': cluster_datastore + u'-' + cluster_datastore_version,
            'mongodb_flavor': cluster_flavor,
            'network': cluster_network
        }

        res = self.client.post(LAUNCH_URL, post)
        self.assertRedirectsNoFollow(res, INDEX_URL)

    @test.create_stubs({trove_api.trove: ('cluster_get',
                                          'instance_get',
                                          'flavor_get',)})
    def test_details(self):
        cluster = self.trove_clusters.first()
        trove_api.trove.cluster_get(IsA(http.HttpRequest), cluster.id)\
            .MultipleTimes().AndReturn(cluster)
        trove_api.trove.instance_get(IsA(http.HttpRequest), IsA(str))\
            .MultipleTimes().AndReturn(self.databases.first())
        trove_api.trove.flavor_get(IsA(http.HttpRequest), IsA(str))\
            .MultipleTimes().AndReturn(self.flavors.first())
        self.mox.ReplayAll()

        details_url = reverse('horizon:project:database_clusters:detail',
                              args=[cluster.id])
        res = self.client.get(details_url)
        self.assertTemplateUsed(res, 'project/database_clusters/detail.html')
        self.assertContains(res, cluster.ip[0])
