# 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 six

from openstack.object_store.v1 import _proxy
from openstack.object_store.v1 import account
from openstack.object_store.v1 import container
from openstack.object_store.v1 import obj
from openstack.tests.unit.cloud import test_object as base_test_object
from openstack.tests.unit import test_proxy_base2


class TestObjectStoreProxy(test_proxy_base2.TestProxyBase):

    kwargs_to_path_args = False

    def setUp(self):
        super(TestObjectStoreProxy, self).setUp()
        self.proxy = _proxy.Proxy(self.session)

    def test_account_metadata_get(self):
        self.verify_head(self.proxy.get_account_metadata, account.Account)

    def test_container_metadata_get(self):
        self.verify_head(self.proxy.get_container_metadata,
                         container.Container, value="container")

    def test_container_delete(self):
        self.verify_delete(self.proxy.delete_container,
                           container.Container, False)

    def test_container_delete_ignore(self):
        self.verify_delete(self.proxy.delete_container,
                           container.Container, True)

    def test_container_create_attrs(self):
        self.verify_create(
            self.proxy.create_container,
            container.Container,
            method_args=['container_name'],
            expected_kwargs={'name': 'container_name', "x": 1, "y": 2, "z": 3})

    def test_object_metadata_get(self):
        self.verify_head(self.proxy.get_object_metadata, obj.Object,
                         value="object", container="container")

    def _test_object_delete(self, ignore):
        expected_kwargs = {
            "ignore_missing": ignore,
            "container": "name",
        }

        self._verify2("openstack.proxy.BaseProxy._delete",
                      self.proxy.delete_object,
                      method_args=["resource"],
                      method_kwargs=expected_kwargs,
                      expected_args=[obj.Object, "resource"],
                      expected_kwargs=expected_kwargs)

    def test_object_delete(self):
        self._test_object_delete(False)

    def test_object_delete_ignore(self):
        self._test_object_delete(True)

    def test_object_create_attrs(self):
        kwargs = {"name": "test", "data": "data", "container": "name"}

        self._verify2("openstack.proxy.BaseProxy._create",
                      self.proxy.upload_object,
                      method_kwargs=kwargs,
                      expected_args=[obj.Object],
                      expected_kwargs=kwargs)

    def test_object_create_no_container(self):
        self.assertRaises(TypeError, self.proxy.upload_object)

    def test_object_get(self):
        kwargs = dict(container="container")
        self.verify_get(
            self.proxy.get_object, obj.Object,
            value=["object"],
            method_kwargs=kwargs,
            expected_kwargs=kwargs)


class Test_containers(TestObjectStoreProxy):

    def setUp(self):
        super(Test_containers, self).setUp()
        self.proxy = _proxy.Proxy(self.session)

        self.containers_body = []
        for i in range(3):
            self.containers_body.append({six.text_type("name"):
                                         six.text_type("container%d" % i)})

#    @httpretty.activate
#    def test_all_containers(self):
#        self.stub_url(httpretty.GET,
#                      path=[container.Container.base_path],
#                      responses=[httpretty.Response(
#                             body=json.dumps(self.containers_body),
#                             status=200, content_type="application/json"),
#                             httpretty.Response(body=json.dumps([]),
#                             status=200, content_type="application/json")])
#
#        count = 0
#        for actual, expected in zip(self.proxy.containers(),
#                                    self.containers_body):
#            self.assertEqual(expected, actual)
#            count += 1
#        self.assertEqual(len(self.containers_body), count)

#    @httpretty.activate
#    def test_containers_limited(self):
#        limit = len(self.containers_body) + 1
#        limit_param = "?limit=%d" % limit
#
#        self.stub_url(httpretty.GET,
#                      path=[container.Container.base_path + limit_param],
#                      json=self.containers_body)
#
#        count = 0
#        for actual, expected in zip(self.proxy.containers(limit=limit),
#                                    self.containers_body):
#            self.assertEqual(actual, expected)
#            count += 1
#
#        self.assertEqual(len(self.containers_body), count)
#        # Since we've chosen a limit larger than the body, only one request
#        # should be made, so it should be the last one.
#        self.assertIn(limit_param, httpretty.last_request().path)

#    @httpretty.activate
#    def test_containers_with_marker(self):
#        marker = six.text_type("container2")
#        marker_param = "marker=%s" % marker
#
#        self.stub_url(httpretty.GET,
#                      path=[container.Container.base_path + "?" +
#                            marker_param],
#                      json=self.containers_body)
#
#        count = 0
#        for actual, expected in zip(self.proxy.containers(marker=marker),
#                                    self.containers_body):
#            # Make sure the marker made it into the actual request.
#            self.assertIn(marker_param, httpretty.last_request().path)
#            self.assertEqual(expected, actual)
#            count += 1
#
#        self.assertEqual(len(self.containers_body), count)
#
#        # Since we have to make one request beyond the end, because no
#        # limit was provided, make sure the last container appears as
#        # the marker in this last request.
#        self.assertIn(self.containers_body[-1]["name"],
#                      httpretty.last_request().path)


class Test_objects(TestObjectStoreProxy):

    def setUp(self):
        super(Test_objects, self).setUp()
        self.proxy = _proxy.Proxy(self.session)

        self.container_name = six.text_type("my_container")

        self.objects_body = []
        for i in range(3):
            self.objects_body.append({six.text_type("name"):
                                      six.text_type("object%d" % i)})

        # Returned object bodies have their container inserted.
        self.returned_objects = []
        for ob in self.objects_body:
            ob[six.text_type("container")] = self.container_name
            self.returned_objects.append(ob)
        self.assertEqual(len(self.objects_body), len(self.returned_objects))

#    @httpretty.activate
#    def test_all_objects(self):
#        self.stub_url(httpretty.GET,
#                      path=[obj.Object.base_path %
#                            {"container": self.container_name}],
#                      responses=[httpretty.Response(
#                             body=json.dumps(self.objects_body),
#                             status=200, content_type="application/json"),
#                             httpretty.Response(body=json.dumps([]),
#                             status=200, content_type="application/json")])
#
#        count = 0
#        for actual, expected in zip(self.proxy.objects(self.container_name),
#                                    self.returned_objects):
#            self.assertEqual(expected, actual)
#            count += 1
#        self.assertEqual(len(self.returned_objects), count)

#    @httpretty.activate
#    def test_objects_limited(self):
#        limit = len(self.objects_body) + 1
#        limit_param = "?limit=%d" % limit
#
#        self.stub_url(httpretty.GET,
#                      path=[obj.Object.base_path %
#                            {"container": self.container_name} + limit_param],
#                      json=self.objects_body)
#
#        count = 0
#        for actual, expected in zip(self.proxy.objects(self.container_name,
#                                                       limit=limit),
#                                    self.returned_objects):
#            self.assertEqual(expected, actual)
#            count += 1
#
#        self.assertEqual(len(self.returned_objects), count)
#        # Since we've chosen a limit larger than the body, only one request
#        # should be made, so it should be the last one.
#        self.assertIn(limit_param, httpretty.last_request().path)

#    @httpretty.activate
#    def test_objects_with_marker(self):
#        marker = six.text_type("object2")
#       # marker_param = "marker=%s" % marker
#
#        self.stub_url(httpretty.GET,
#                      path=[obj.Object.base_path %
#                            {"container": self.container_name} + "?" +
#                            marker_param],
#                      json=self.objects_body)
#
#        count = 0
#        for actual, expected in zip(self.proxy.objects(self.container_name,
#                                                       marker=marker),
#                                    self.returned_objects):
#            # Make sure the marker made it into the actual request.
#            self.assertIn(marker_param, httpretty.last_request().path)
#            self.assertEqual(expected, actual)
#            count += 1
#
#        self.assertEqual(len(self.returned_objects), count)
#
#        # Since we have to make one request beyond the end, because no
#        # limit was provided, make sure the last container appears as
#        # the marker in this last request.
#        self.assertIn(self.returned_objects[-1]["name"],
#                      httpretty.last_request().path)


class Test_download_object(base_test_object.BaseTestObject):

    def setUp(self):
        super(Test_download_object, self).setUp()
        self.the_data = b'test body'
        self.register_uris([
            dict(method='GET', uri=self.object_endpoint,
                 headers={
                     'Content-Length': str(len(self.the_data)),
                     'Content-Type': 'application/octet-stream',
                     'Accept-Ranges': 'bytes',
                     'Last-Modified': 'Thu, 15 Dec 2016 13:34:14 GMT',
                     'Etag': '"b5c454b44fbd5344793e3fb7e3850768"',
                     'X-Timestamp': '1481808853.65009',
                     'X-Trans-Id': 'tx68c2a2278f0c469bb6de1-005857ed80dfw1',
                     'Date': 'Mon, 19 Dec 2016 14:24:00 GMT',
                     'X-Static-Large-Object': 'True',
                     'X-Object-Meta-Mtime': '1481513709.168512',
                 },
                 content=self.the_data)])

    def test_download(self):
        data = self.conn.object_store.download_object(
            self.object, container=self.container)

        self.assertEqual(data, self.the_data)
        self.assert_calls()

    def test_stream(self):
        chunk_size = 2
        for index, chunk in enumerate(self.conn.object_store.stream_object(
                self.object, container=self.container,
                chunk_size=chunk_size)):
            chunk_len = len(chunk)
            start = index * chunk_size
            end = start + chunk_len
            self.assertLessEqual(chunk_len, chunk_size)
            self.assertEqual(chunk, self.the_data[start:end])
        self.assert_calls()


class Test_copy_object(TestObjectStoreProxy):

    def test_copy_object(self):
        self.assertRaises(NotImplementedError, self.proxy.copy_object)
