# -*- coding: utf-8 -*-
#
# Copyright (2016-2017) Hewlett Packard Enterprise Development LP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

from units.compat import unittest
from oneview_module_loader import FcoeNetworkModule
from hpe_test_utils import OneViewBaseTestCase

FAKE_MSG_ERROR = 'Fake message error'

DEFAULT_FCOE_NETWORK_TEMPLATE = dict(
    name='New FCoE Network 2',
    vlanId="201",
    connectionTemplateUri=None
)

PARAMS_FOR_PRESENT = dict(
    config='config.json',
    state='present',
    data=dict(name=DEFAULT_FCOE_NETWORK_TEMPLATE['name'])
)

PARAMS_WITH_CHANGES = dict(
    config='config.json',
    state='present',
    data=dict(name=DEFAULT_FCOE_NETWORK_TEMPLATE['name'],
              fabricType='DirectAttach',
              newName='New Name')
)

PARAMS_FOR_ABSENT = dict(
    config='config.json',
    state='absent',
    data=dict(name=DEFAULT_FCOE_NETWORK_TEMPLATE['name'])
)


class FcoeNetworkSpec(unittest.TestCase,
                      OneViewBaseTestCase):
    """
    OneViewBaseTestCase provides the mocks used in this test case
    """

    def setUp(self):
        self.configure_mocks(self, FcoeNetworkModule)
        self.resource = self.mock_ov_client.fcoe_networks

    def test_should_create_new_fcoe_network(self):
        self.resource.get_by.return_value = []
        self.resource.create.return_value = DEFAULT_FCOE_NETWORK_TEMPLATE

        self.mock_ansible_module.params = PARAMS_FOR_PRESENT

        FcoeNetworkModule().run()

        self.mock_ansible_module.exit_json.assert_called_once_with(
            changed=True,
            msg=FcoeNetworkModule.MSG_CREATED,
            ansible_facts=dict(fcoe_network=DEFAULT_FCOE_NETWORK_TEMPLATE)
        )

    def test_should_not_update_when_data_is_equals(self):
        self.resource.get_by.return_value = [DEFAULT_FCOE_NETWORK_TEMPLATE]
        self.mock_ansible_module.params = PARAMS_FOR_PRESENT.copy()

        FcoeNetworkModule().run()

        self.mock_ansible_module.exit_json.assert_called_once_with(
            changed=False,
            msg=FcoeNetworkModule.MSG_ALREADY_PRESENT,
            ansible_facts=dict(fcoe_network=DEFAULT_FCOE_NETWORK_TEMPLATE)
        )

    def test_update_when_data_has_modified_attributes(self):
        data_merged = DEFAULT_FCOE_NETWORK_TEMPLATE.copy()
        data_merged['fabricType'] = 'DirectAttach'

        self.resource.get_by.return_value = [DEFAULT_FCOE_NETWORK_TEMPLATE]
        self.resource.update.return_value = data_merged

        self.mock_ansible_module.params = PARAMS_WITH_CHANGES

        FcoeNetworkModule().run()

        self.mock_ansible_module.exit_json.assert_called_once_with(
            changed=True,
            msg=FcoeNetworkModule.MSG_UPDATED,
            ansible_facts=dict(fcoe_network=data_merged)
        )

    def test_should_remove_fcoe_network(self):
        self.resource.get_by.return_value = [DEFAULT_FCOE_NETWORK_TEMPLATE]

        self.mock_ansible_module.params = PARAMS_FOR_ABSENT

        FcoeNetworkModule().run()

        self.mock_ansible_module.exit_json.assert_called_once_with(
            changed=True,
            msg=FcoeNetworkModule.MSG_DELETED
        )

    def test_should_do_nothing_when_fcoe_network_not_exist(self):
        self.resource.get_by.return_value = []

        self.mock_ansible_module.params = PARAMS_FOR_ABSENT

        FcoeNetworkModule().run()

        self.mock_ansible_module.exit_json.assert_called_once_with(
            changed=False,
            msg=FcoeNetworkModule.MSG_ALREADY_ABSENT
        )

    def test_update_scopes_when_different(self):
        params_to_scope = PARAMS_FOR_PRESENT.copy()
        params_to_scope['data']['scopeUris'] = ['test']
        self.mock_ansible_module.params = params_to_scope

        resource_data = DEFAULT_FCOE_NETWORK_TEMPLATE.copy()
        resource_data['scopeUris'] = ['fake']
        resource_data['uri'] = 'rest/fcoe/fake'
        self.resource.get_by.return_value = [resource_data]

        patch_return = resource_data.copy()
        patch_return['scopeUris'] = ['test']
        self.resource.patch.return_value = patch_return

        FcoeNetworkModule().run()

        self.resource.patch.assert_called_once_with('rest/fcoe/fake',
                                                    operation='replace',
                                                    path='/scopeUris',
                                                    value=['test'])

        self.mock_ansible_module.exit_json.assert_called_once_with(
            changed=True,
            ansible_facts=dict(fcoe_network=patch_return),
            msg=FcoeNetworkModule.MSG_UPDATED
        )

    def test_should_do_nothing_when_scopes_are_the_same(self):
        params_to_scope = PARAMS_FOR_PRESENT.copy()
        params_to_scope['data']['scopeUris'] = ['test']
        self.mock_ansible_module.params = params_to_scope

        resource_data = DEFAULT_FCOE_NETWORK_TEMPLATE.copy()
        resource_data['scopeUris'] = ['test']
        self.resource.get_by.return_value = [resource_data]

        FcoeNetworkModule().run()

        self.resource.patch.not_been_called()

        self.mock_ansible_module.exit_json.assert_called_once_with(
            changed=False,
            ansible_facts=dict(fcoe_network=resource_data),
            msg=FcoeNetworkModule.MSG_ALREADY_PRESENT
        )


if __name__ == '__main__':
    unittest.main()
