# -*- 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.api.constants import EventTypes
from synapse.types import UserID, RoomID

from tests.utils import SQLiteMemoryDbPool


class RoomStoreTestCase(unittest.TestCase):

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

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

        # We can't test RoomStore on its own without the DirectoryStore, for
        # management of the 'room_aliases' table
        self.store = hs.get_datastore()

        self.room = RoomID.from_string("!abcde:test")
        self.alias = hs.parse_roomalias("#a-room-name:test")
        self.u_creator = UserID.from_string("@creator:test")

        yield self.store.store_room(self.room.to_string(),
            room_creator_user_id=self.u_creator.to_string(),
            is_public=True
        )

    @defer.inlineCallbacks
    def test_get_room(self):
        self.assertObjectHasAttributes(
            {"room_id": self.room.to_string(),
             "creator": self.u_creator.to_string(),
             "is_public": True},
            (yield self.store.get_room(self.room.to_string()))
        )

    @defer.inlineCallbacks
    def test_get_rooms(self):
        # get_rooms does an INNER JOIN on the room_aliases table :(

        rooms = yield self.store.get_rooms(is_public=True)
        # Should be empty before we add the alias
        self.assertEquals([], rooms)

        yield self.store.create_room_alias_association(
            room_alias=self.alias,
            room_id=self.room.to_string(),
            servers=["test"]
        )

        rooms = yield self.store.get_rooms(is_public=True)

        self.assertEquals(1, len(rooms))
        self.assertEquals({
            "name": None,
            "room_id": self.room.to_string(),
            "topic": None,
            "aliases": [self.alias.to_string()],
        }, rooms[0])


class RoomEventsStoreTestCase(unittest.TestCase):

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

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

        # Room events need the full datastore, for persist_event() and
        # get_room_state()
        self.store = hs.get_datastore()
        self.event_factory = hs.get_event_factory();

        self.room = RoomID.from_string("!abcde:test")

        yield self.store.store_room(self.room.to_string(),
            room_creator_user_id="@creator:text",
            is_public=True
        )

    @defer.inlineCallbacks
    def inject_room_event(self, **kwargs):
        yield self.store.persist_event(
            self.event_factory.create_event(
                room_id=self.room.to_string(),
                **kwargs
            )
        )

    @defer.inlineCallbacks
    def STALE_test_room_name(self):
        name = u"A-Room-Name"

        yield self.inject_room_event(
            etype=EventTypes.Name,
            name=name,
            content={"name": name},
            depth=1,
        )

        state = yield self.store.get_current_state(
            room_id=self.room.to_string()
        )

        self.assertEquals(1, len(state))
        self.assertObjectHasAttributes(
            {"type": "m.room.name",
             "room_id": self.room.to_string(),
             "name": name},
            state[0]
        )

    @defer.inlineCallbacks
    def STALE_test_room_topic(self):
        topic = u"A place for things"

        yield self.inject_room_event(
            etype=EventTypes.Topic,
            topic=topic,
            content={"topic": topic},
            depth=1,
        )

        state = yield self.store.get_current_state(
            room_id=self.room.to_string()
        )

        self.assertEquals(1, len(state))
        self.assertObjectHasAttributes(
            {"type": "m.room.topic",
             "room_id": self.room.to_string(),
             "topic": topic},
            state[0]
        )

    # Not testing the various 'level' methods for now because there's lots
    # of them and need coalescing; see JIRA SPEC-11