# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket 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.


from twisted.trial import unittest
from twisted.internet import defer

from synapse.server import HomeServer
from synapse.storage.presence import PresenceStore

from tests.utils import SQLiteMemoryDbPool, MockClock


class PresenceStoreTestCase(unittest.TestCase):

    @defer.inlineCallbacks
    def setUp(self):
        db_pool = SQLiteMemoryDbPool()
        yield db_pool.prepare()

        hs = HomeServer("test",
            clock=MockClock(),
            db_pool=db_pool,
        )

        self.store = PresenceStore(hs)

        self.u_apple = hs.parse_userid("@apple:test")
        self.u_banana = hs.parse_userid("@banana:test")

    @defer.inlineCallbacks
    def test_state(self):
        yield self.store.create_presence(
            self.u_apple.localpart
        )

        state = yield self.store.get_presence_state(
            self.u_apple.localpart
        )

        self.assertEquals(
            {"state": None, "status_msg": None, "mtime": None}, state
        )

        yield self.store.set_presence_state(
            self.u_apple.localpart, {"state": "online", "status_msg": "Here"}
        )

        state = yield self.store.get_presence_state(
            self.u_apple.localpart
        )

        self.assertEquals(
            {"state": "online", "status_msg": "Here", "mtime": 1000000}, state
        )

    @defer.inlineCallbacks
    def test_visibility(self):
        self.assertFalse((yield self.store.is_presence_visible(
            observed_localpart=self.u_apple.localpart,
            observer_userid=self.u_banana.to_string(),
        )))

        yield self.store.allow_presence_visible(
            observed_localpart=self.u_apple.localpart,
            observer_userid=self.u_banana.to_string(),
        )

        self.assertTrue((yield self.store.is_presence_visible(
            observed_localpart=self.u_apple.localpart,
            observer_userid=self.u_banana.to_string(),
        )))

        yield self.store.disallow_presence_visible(
            observed_localpart=self.u_apple.localpart,
            observer_userid=self.u_banana.to_string(),
        )

        self.assertFalse((yield self.store.is_presence_visible(
            observed_localpart=self.u_apple.localpart,
            observer_userid=self.u_banana.to_string(),
        )))

    @defer.inlineCallbacks
    def test_presence_list(self):
        self.assertEquals(
            [],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
            ))
        )
        self.assertEquals(
            [],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
                accepted=True,
            ))
        )

        yield self.store.add_presence_list_pending(
            observer_localpart=self.u_apple.localpart,
            observed_userid=self.u_banana.to_string(),
        )

        self.assertEquals(
            [{"observed_user_id": "@banana:test", "accepted": 0}],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
            ))
        )
        self.assertEquals(
            [],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
                accepted=True,
            ))
        )

        yield self.store.set_presence_list_accepted(
            observer_localpart=self.u_apple.localpart,
            observed_userid=self.u_banana.to_string(),
        )

        self.assertEquals(
            [{"observed_user_id": "@banana:test", "accepted": 1}],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
            ))
        )
        self.assertEquals(
            [{"observed_user_id": "@banana:test", "accepted": 1}],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
                accepted=True,
            ))
        )

        yield self.store.del_presence_list(
            observer_localpart=self.u_apple.localpart,
            observed_userid=self.u_banana.to_string(),
        )

        self.assertEquals(
            [],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
            ))
        )
        self.assertEquals(
            [],
            (yield self.store.get_presence_list(
                observer_localpart=self.u_apple.localpart,
                accepted=True,
            ))
        )