# -*- coding: utf8 -*-
#
#    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 contextlib

import mock
from mock import patch, call  # noqa
from django.core import urlresolvers
from openstack_dashboard.dashboards.project.images.images import forms

from tuskar_ui import api
from tuskar_ui.test import helpers as test

INDEX_URL = urlresolvers.reverse('horizon:infrastructure:images:index')
CREATE_URL = 'horizon:infrastructure:images:create'
UPDATE_URL = 'horizon:infrastructure:images:update'


class ImagesTest(test.BaseAdminViewTests):

    def test_index(self):
        roles = [api.tuskar.Role(role) for role in
                 self.tuskarclient_roles.list()]
        plans = [api.tuskar.Plan(plan) for plan in
                 self.tuskarclient_plans.list()]

        with contextlib.nested(
            patch('tuskar_ui.api.tuskar.Role.list',
                  return_value=roles),
            patch('tuskar_ui.api.tuskar.Plan.list',
                  return_value=plans),
            patch('openstack_dashboard.api.glance.image_list_detailed',
                  return_value=[self.glanceclient_images.list(),
                                False, False]),):

            res = self.client.get(INDEX_URL)

        self.assertTemplateUsed(res, 'infrastructure/images/index.html')

    def test_create_get(self):
        res = self.client.get(urlresolvers.reverse(CREATE_URL))
        self.assertTemplateUsed(res, 'infrastructure/images/create.html')

    def test_create_post(self):
        image = self.images.list()[0]
        data = {
            'name': 'Fedora',
            'description': 'Login with admin/admin',
            'source_type': 'url',
            'image_url': 'http://www.test.com/test.iso',
            'disk_format': 'qcow2',
            'architecture': 'x86-64',
            'minimum_disk': 15,
            'minimum_ram': 512,
            'is_public': True,
            'protected': False}

        forms.IMAGE_FORMAT_CHOICES = [('qcow2', 'qcow2')]

        with contextlib.nested(
            patch('openstack_dashboard.api.glance.image_create',
                  return_value=image),) as (mocked_create,):

            res = self.client.post(
                urlresolvers.reverse(CREATE_URL), data)

        self.assertNoFormErrors(res)
        self.assertEqual(res.status_code, 302)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        mocked_create.assert_called_once_with(
            mock.ANY, name='Fedora', container_format='bare',
            min_ram=512, disk_format='qcow2', protected=False,
            is_public=True, min_disk=15,
            location='http://www.test.com/test.iso',
            properties={'description': 'Login with admin/admin',
                        'architecture': 'x86-64'})

    def test_update_get(self):
        image = self.images.list()[0]

        with contextlib.nested(
            patch('openstack_dashboard.api.glance.image_get',
                  return_value=image),) as (mocked_get,):

            res = self.client.get(
                urlresolvers.reverse(UPDATE_URL, args=(image.id,)))

        mocked_get.assert_called_once_with(mock.ANY, image.id)
        self.assertTemplateUsed(res, 'infrastructure/images/update.html')

    def test_update_post(self):
        image = self.images.list()[0]
        data = {
            'image_id': image.id,
            'name': 'Fedora',
            'description': 'Login with admin/admin',
            'source_type': 'url',
            'copy_from': 'http://test_url.com',
            'disk_format': 'qcow2',
            'architecture': 'x86-64',
            'minimum_disk': 15,
            'minimum_ram': 512,
            'is_public': True,
            'protected': False}

        forms.IMAGE_FORMAT_CHOICES = [('qcow2', 'qcow2')]

        with contextlib.nested(
            patch('openstack_dashboard.api.glance.image_get',
                  return_value=image),
            patch('openstack_dashboard.api.glance.image_update',
                  return_value=image),) as (mocked_get, mocked_update,):

            res = self.client.post(
                urlresolvers.reverse(UPDATE_URL, args=(image.id,)), data)

        self.assertNoFormErrors(res)
        self.assertEqual(res.status_code, 302)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        mocked_get.assert_called_once_with(mock.ANY, image.id)
        mocked_update.assert_called_once_with(
            mock.ANY, image.id, name='Fedora', container_format='bare',
            min_ram=512, disk_format='qcow2', protected=False,
            is_public=False, min_disk=15, purge_props=False,
            properties={'description': 'Login with admin/admin',
                        'architecture': 'x86-64'})

    def test_delete_ok(self):
        roles = [api.tuskar.Role(role) for role in
                 self.tuskarclient_roles.list()]
        plans = [api.tuskar.Plan(plan) for plan in
                 self.tuskarclient_plans.list()]
        images = self.glanceclient_images.list()

        data = {'action': 'images__delete',
                'object_ids': [images[0].id, images[1].id]}

        with contextlib.nested(
            patch('tuskar_ui.api.tuskar.Role.list',
                  return_value=roles),
            patch('tuskar_ui.api.tuskar.Plan.list',
                  return_value=plans),
            patch('openstack_dashboard.api.glance.image_list_detailed',
                  return_value=[images, False, False]),
            patch('openstack_dashboard.api.glance.image_delete',
                  return_value=None),) as (
                mock_role_list, plan_list, mock_image_lict, mock_image_delete):

            res = self.client.post(INDEX_URL, data)

        mock_image_delete.has_calls(
            call(mock.ANY, images[0].id),
            call(mock.ANY, images[1].id))
        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)