# Copyright 2014 Huawei Technologies Co. Ltd
#
# 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 datetime
import logging
import os
import unittest2


os.environ['COMPASS_IGNORE_SETTING'] = 'true'


from compass.utils import setting_wrapper as setting
reload(setting)


from base import BaseTest
from compass.db.api import database
from compass.db.api import user as user_api
from compass.db import exception
from compass.utils import flags
from compass.utils import logsetting


class TestGetUserObject(unittest2.TestCase):
    """Test get user object."""

    def setUp(self):
        super(TestGetUserObject, self).setUp()
        os.environ['COMPASS_IGNORE_SETTING'] = 'true'
        os.environ['COMPASS_CONFIG_DIR'] = os.path.join(
            os.path.dirname(os.path.abspath(__file__)),
            'data'
        )
        reload(setting)
        database.init('sqlite://')
        database.create_db()

    def tearDown(self):
        reload(setting)
        database.drop_db()

    def test_get_user_object(self):
        user_object = user_api.get_user_object(setting.COMPASS_ADMIN_EMAIL)
        self.assertIsNotNone(user_object)

    def test_get_user_object_unauthorized(self):
        self.assertRaises(
            exception.Unauthorized,
            user_api.get_user_object,
            'admin@bac.com'
        )


class TestGetRecordCleanToken(BaseTest):
    """Test get user object from token."""
    """Test record user token."""
    """Test clean user token."""

    def setUp(self):
        super(TestGetRecordCleanToken, self).setUp()

    def tearDown(self):
        super(TestGetRecordCleanToken, self).tearDown()

    def test_record_user_token(self):
        token = user_api.record_user_token(
            'test_token',
            datetime.datetime.now() + datetime.timedelta(seconds=10000),
            user=self.user_object,
        )
        self.assertIsNotNone(token)
        self.assertEqual(token['token'], 'test_token')

    def test_clean_user_token(self):
        token = user_api.clean_user_token(
            'test_token',
            user=self.user_object,
        )
        self.assertEqual([], token)

    def test_get_user_object_from_token(self):
        token = user_api.record_user_token(
            'test_token',
            datetime.datetime.now() + datetime.timedelta(seconds=10000),
            user=self.user_object,
        )
        self.assertIsNotNone(token)

    def test_get_user_object_from_token_unauthorized(self):
        self.assertRaises(
            exception.Unauthorized,
            user_api.get_user_object_from_token,
            'token'
        )


class TestGetUser(BaseTest):
    """Test get user."""

    def setUp(self):
        super(TestGetUser, self).setUp()

    def tearDown(self):
        super(TestGetUser, self).tearDown()

    def test_get_user(self):
        get_user = user_api.get_user(
            self.user_object.id,
            user=self.user_object
        )
        self.assertIsNotNone(get_user)
        self.assertEqual(get_user['email'], setting.COMPASS_ADMIN_EMAIL)


class TestGetCurrentUser(BaseTest):
    """Test get current user."""

    def setUp(self):
        super(TestGetCurrentUser, self).setUp()

    def tearDown(self):
        super(TestGetCurrentUser, self).tearDown()

    def test_get_current_user(self):
        current_user = user_api.get_current_user(
            user=self.user_object
        )
        self.assertIsNotNone(current_user)
        self.assertEqual(current_user['email'], setting.COMPASS_ADMIN_EMAIL)


class TestListUsers(BaseTest):
    """Test list users."""

    def setUp(self):
        super(TestListUsers, self).setUp()
        user_api.add_user(
            user=self.user_object,
            email='test@huawei.com',
            password='test'
        )

    def tearDown(self):
        super(TestListUsers, self).tearDown()

    def test_list_users(self):
        list_users = user_api.list_users(
            user=self.user_object
        )
        self.assertIsNotNone(list_users)
        result = []
        for list_user in list_users:
            result.append(list_user['email'])
        expects = ['test@huawei.com', setting.COMPASS_ADMIN_EMAIL]
        for expect in expects:
            self.assertIn(expect, result)


class TestAddUser(BaseTest):
    """Test add user."""

    def setUp(self):
        super(TestAddUser, self).setUp()

    def tearDown(self):
        super(TestAddUser, self).tearDown()

    def test_add_user(self):
        user_objs = user_api.add_user(
            email='test@abc.com',
            password='password',
            user=self.user_object,
        )
        self.assertEqual('test@abc.com', user_objs['email'])

    def test_add_user_session(self):
        with database.session() as session:
            user_objs = user_api.add_user(
                email='test@abc.com',
                password='password',
                user=self.user_object,
                session=session
            )
        self.assertEqual('test@abc.com', user_objs['email'])


class TestDelUser(BaseTest):
    """Test delete user."""

    def setUp(self):
        super(TestDelUser, self).setUp()

    def tearDown(self):
        super(TestDelUser, self).tearDown()

    def test_del_user(self):
        user_api.del_user(
            self.user_object.id,
            user=self.user_object,
        )
        del_user = user_api.list_users(user=self.user_object)
        self.assertEqual([], del_user)


class TestUpdateUser(BaseTest):
    """Test update user."""

    def setUp(self):
        super(TestUpdateUser, self).setUp()

    def tearDown(self):
        super(TestUpdateUser, self).tearDown()

    def test_update_admin(self):
        user_objs = user_api.update_user(
            self.user_object.id,
            user=self.user_object,
            email=setting.COMPASS_ADMIN_EMAIL,
            firstname='a',
            lastname='b',
            password='ab',
            is_admin=True,
            active=True
        )
        self.assertEqual(setting.COMPASS_ADMIN_EMAIL, user_objs['email'])
        self.assertEqual(user_objs['firstname'], 'a')
        self.assertEqual(user_objs['lastname'], 'b')

    def test_not_admin(self):
        user_api.add_user(
            user=self.user_object,
            email='dummy@abc.com',
            password='dummy',
            is_admin=False
        )
        user_object = user_api.get_user_object('dummy@abc.com')
        self.assertRaises(
            exception.Forbidden,
            user_api.update_user,
            2,
            user=user_object,
            is_admin=False
        )


class TestGetPermissions(BaseTest):
    """Test get permissions."""

    def setUp(self):
        super(TestGetPermissions, self).setUp()

    def tearDown(self):
        super(TestGetPermissions, self).tearDown()

    def test_get_permissions(self):
        user_permissions = user_api.get_permissions(
            self.user_object.id,
            user=self.user_object,
        )
        self.assertIsNotNone(user_permissions)
        result = []
        for user_permission in user_permissions:
            result.append(user_permission['name'])
        self.assertIn('list_permissions', result)


class TestGetPermission(BaseTest):
    """Test get permission."""

    def setUp(self):
        super(TestGetPermission, self).setUp()

    def tearDown(self):
        super(TestGetPermission, self).tearDown()

    def test_get_permission(self):
        user_permission = user_api.get_permission(
            self.user_object.id,
            1,
            user=self.user_object,
        )
        self.assertEqual(user_permission['name'], 'list_permissions')


class TestAddDelUserPermission(BaseTest):
    """Test add user permission."""
    """Test delete user permission."""

    def setUp(self):
        super(TestAddDelUserPermission, self).setUp()

    def tearDown(self):
        super(TestAddDelUserPermission, self).tearDown()

    def test_add_permission(self):
        user_api.add_permission(
            self.user_object.id,
            user=self.user_object,
            permission_id=2
        )
        permissions = user_api.get_permissions(
            self.user_object.id,
            user=self.user_object,
        )
        result = None
        for permission in permissions:
            if permission['id'] == 2:
                result = permission['name']
        self.assertEqual(result, 'list_switches')

    def test_add_permission_position(self):
        user_api.add_permission(
            self.user_object.id,
            2,
            True,
            user=self.user_object,
        )
        permissions = user_api.get_permissions(
            self.user_object.id,
            user=self.user_object,
        )
        result = None
        for permission in permissions:
            if permission['id'] == 2:
                result = permission['name']
        self.assertEqual(result, 'list_switches')

    def test_add_permission_session(self):
        with database.session() as session:
            user_api.add_permission(
                self.user_object.id,
                user=self.user_object,
                permission_id=2,
                session=session
            )
        permissions = user_api.get_permissions(
            self.user_object.id,
            user=self.user_object,
        )
        result = None
        for permission in permissions:
            if permission['id'] == 2:
                result = permission['name']
        self.assertEqual(result, 'list_switches')

    def test_del_permission(self):
        user_api.del_permission(
            self.user_object.id,
            1,
            user=self.user_object,
        )
        del_user = user_api.get_permissions(
            self.user_object.id,
            user=self.user_object,
        )
        self.assertEqual([], del_user)


class TestUpdatePermissions(BaseTest):
    """Test update permission."""

    def setUp(self):
        super(TestUpdatePermissions, self).setUp()

    def tearDown(self):
        super(TestUpdatePermissions, self).tearDown()

    def test_remove_permissions(self):
        user_api.update_permissions(
            self.user_object.id,
            user=self.user_object,
            remove_permissions=1
        )
        del_user_permission = user_api.get_permissions(
            self.user_object.id,
            user=self.user_object,
        )
        self.assertEqual([], del_user_permission)

    def test_add_permissions(self):
        user_api.update_permissions(
            self.user_object.id,
            user=self.user_object,
            add_permissions=2
        )
        permissions = user_api.get_permissions(
            self.user_object.id,
            user=self.user_object,
        )
        result = None
        for permission in permissions:
            if permission['id'] == 2:
                result = permission['name']
        self.assertEqual(result, 'list_switches')


if __name__ == '__main__':
    flags.init()
    logsetting.init()
    unittest2.main()