# -*- 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.

"""Tests REST events for /rooms paths."""

# twisted imports
from twisted.internet import defer

import synapse.rest.client.v1.room
from synapse.server import HomeServer
from synapse.types import UserID

from ....utils import MockHttpResource, MockClock, SQLiteMemoryDbPool, MockKey
from .utils import RestTestCase

from mock import Mock, NonCallableMock


PATH_PREFIX = "/_matrix/client/api/v1"


class RoomTypingTestCase(RestTestCase):
    """ Tests /rooms/$room_id/typing/$user_id REST API. """
    user_id = "@sid:red"

    @defer.inlineCallbacks
    def setUp(self):
        self.clock = MockClock()

        self.mock_resource = MockHttpResource(prefix=PATH_PREFIX)
        self.auth_user_id = self.user_id

        self.mock_config = NonCallableMock()
        self.mock_config.signing_key = [MockKey()]

        db_pool = SQLiteMemoryDbPool()
        yield db_pool.prepare()

        hs = HomeServer(
            "red",
            clock=self.clock,
            db_pool=db_pool,
            http_client=None,
            replication_layer=Mock(),
            ratelimiter=NonCallableMock(spec_set=[
                "send_message",
            ]),
            config=self.mock_config,
        )
        self.hs = hs

        self.event_source = hs.get_event_sources().sources["typing"]

        self.ratelimiter = hs.get_ratelimiter()
        self.ratelimiter.send_message.return_value = (True, 0)

        hs.get_handlers().federation_handler = Mock()

        def _get_user_by_token(token=None):
            return {
                "user": UserID.from_string(self.auth_user_id),
                "admin": False,
                "device_id": None,
            }

        hs.get_auth().get_user_by_token = _get_user_by_token

        def _insert_client_ip(*args, **kwargs):
            return defer.succeed(None)
        hs.get_datastore().insert_client_ip = _insert_client_ip

        def get_room_members(room_id):
            if room_id == self.room_id:
                return defer.succeed([UserID.from_string(self.user_id)])
            else:
                return defer.succeed([])

        @defer.inlineCallbacks
        def fetch_room_distributions_into(room_id, localusers=None,
                remotedomains=None, ignore_user=None):

            members = yield get_room_members(room_id)
            for member in members:
                if ignore_user is not None and member == ignore_user:
                    continue

                if hs.is_mine(member):
                    if localusers is not None:
                        localusers.add(member)
                else:
                    if remotedomains is not None:
                        remotedomains.add(member.domain)
        hs.get_handlers().room_member_handler.fetch_room_distributions_into = (
                fetch_room_distributions_into)

        synapse.rest.client.v1.room.register_servlets(hs, self.mock_resource)

        self.room_id = yield self.create_room_as(self.user_id)
        # Need another user to make notifications actually work
        yield self.join(self.room_id, user="@jim:red")

    def tearDown(self):
        self.hs.get_handlers().typing_notification_handler.tearDown()

    @defer.inlineCallbacks
    def test_set_typing(self):
        (code, _) = yield self.mock_resource.trigger("PUT",
            "/rooms/%s/typing/%s" % (self.room_id, self.user_id),
            '{"typing": true, "timeout": 30000}'
        )
        self.assertEquals(200, code)

        self.assertEquals(self.event_source.get_current_key(), 1)
        self.assertEquals(
            self.event_source.get_new_events_for_user(self.user_id, 0, None)[0],
            [
                {"type": "m.typing",
                 "room_id": self.room_id,
                 "content": {
                     "user_ids": [self.user_id],
                }},
            ]
        )

    @defer.inlineCallbacks
    def test_set_not_typing(self):
        (code, _) = yield self.mock_resource.trigger("PUT",
            "/rooms/%s/typing/%s" % (self.room_id, self.user_id),
            '{"typing": false}'
        )
        self.assertEquals(200, code)

    @defer.inlineCallbacks
    def test_typing_timeout(self):
        (code, _) = yield self.mock_resource.trigger("PUT",
            "/rooms/%s/typing/%s" % (self.room_id, self.user_id),
            '{"typing": true, "timeout": 30000}'
        )
        self.assertEquals(200, code)

        self.assertEquals(self.event_source.get_current_key(), 1)

        self.clock.advance_time(31);

        self.assertEquals(self.event_source.get_current_key(), 2)

        (code, _) = yield self.mock_resource.trigger("PUT",
            "/rooms/%s/typing/%s" % (self.room_id, self.user_id),
            '{"typing": true, "timeout": 30000}'
        )
        self.assertEquals(200, code)

        self.assertEquals(self.event_source.get_current_key(), 3)