# -*- 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 tests import unittest
from twisted.internet import defer

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

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 = UserID.from_string("@apple:test")
        self.u_banana = UserID.from_string("@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,
            ))
        )