#    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 openstack_dashboard.test.integration_tests import helpers
from openstack_dashboard.test.integration_tests.regions import messages


class TestFlavorAngular(helpers.AdminTestCase):
    @property
    def flavors_page(self):
        from openstack_dashboard.test.integration_tests.pages.admin.\
            compute.flavorspage import FlavorsPageNG
        self.home_pg.go_to_admin_compute_flavorspage()
        return FlavorsPageNG(self.driver, self.CONFIG)

    def test_basic_flavors_browse(self):
        flavors_page = self.flavors_page
        self.assertEqual(flavors_page.header.text, 'Flavors')


class TestFlavors(helpers.AdminTestCase):
    FLAVOR_NAME = helpers.gen_random_resource_name("flavor")

    def setUp(self):
        super().setUp()
        self.flavors_page = self.home_pg.go_to_admin_compute_flavorspage()

    def _create_flavor(self, flavor_name):
        self.flavors_page.create_flavor(
            name=flavor_name,
            vcpus=1,
            ram=1024,
            root_disk=20,
            ephemeral_disk=0,
            swap_disk=0
        )
        self.assertTrue(
            self.flavors_page.find_message_and_dismiss(messages.SUCCESS))
        self.assertFalse(
            self.flavors_page.find_message_and_dismiss(messages.ERROR))
        self.assertTrue(
            self.flavors_page.is_flavor_present(self.FLAVOR_NAME))

    def _delete_flavor(self, flavor_name):
        self.flavors_page.delete_flavor_by_row(flavor_name)
        self.assertTrue(
            self.flavors_page.find_message_and_dismiss(messages.SUCCESS))
        self.assertFalse(
            self.flavors_page.find_message_and_dismiss(messages.ERROR))
        self.assertFalse(
            self.flavors_page.is_flavor_present(self.FLAVOR_NAME))

    def test_flavor_module_exists(self):
        js_cmd = "$('html').append('<div id=\"testonly\">'"\
            " + angular.module('horizon.app.core.flavors').name"\
            " + '</div>');"
        self.driver.execute_script(js_cmd)
        value = self.driver.find_element_by_id('testonly').text
        self.assertEqual(value, 'horizon.app.core.flavors')

    def test_flavor_create(self):
        """tests the flavor creation and deletion functionalities:

        * creates a new flavor
        * verifies the flavor appears in the flavors table
        * deletes the newly created flavor
        * verifies the flavor does not appear in the table after deletion
        """
        self._create_flavor(self.FLAVOR_NAME)
        self._delete_flavor(self.FLAVOR_NAME)
