# -*- coding: utf-8 -*-
# Copyright 2014-2016 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 mock import Mock, NonCallableMock

from twisted.internet import defer

import synapse.types
from synapse.api.errors import AuthError, SynapseError
from synapse.handlers.profile import MasterProfileHandler
from synapse.types import UserID

from tests import unittest
from tests.utils import setup_test_homeserver


class ProfileHandlers(object):
    def __init__(self, hs):
        self.profile_handler = MasterProfileHandler(hs)


class ProfileTestCase(unittest.TestCase):
    """ Tests profile management. """

    @defer.inlineCallbacks
    def setUp(self):
        self.mock_federation = Mock()
        self.mock_registry = Mock()

        self.query_handlers = {}

        def register_query_handler(query_type, handler):
            self.query_handlers[query_type] = handler

        self.mock_registry.register_query_handler = register_query_handler

        hs = yield setup_test_homeserver(
            self.addCleanup,
            http_client=None,
            handlers=None,
            resource_for_federation=Mock(),
            federation_client=self.mock_federation,
            federation_server=Mock(),
            federation_registry=self.mock_registry,
            ratelimiter=NonCallableMock(spec_set=["can_do_action"]),
        )

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

        self.store = hs.get_datastore()

        self.frank = UserID.from_string("@1234ABCD:test")
        self.bob = UserID.from_string("@4567:test")
        self.alice = UserID.from_string("@alice:remote")

        yield self.store.create_profile(self.frank.localpart)

        self.handler = hs.get_profile_handler()
        self.hs = hs

    @defer.inlineCallbacks
    def test_get_my_name(self):
        yield self.store.set_profile_displayname(self.frank.localpart, "Frank")

        displayname = yield self.handler.get_displayname(self.frank)

        self.assertEquals("Frank", displayname)

    @defer.inlineCallbacks
    def test_set_my_name(self):
        yield defer.ensureDeferred(
            self.handler.set_displayname(
                self.frank, synapse.types.create_requester(self.frank), "Frank Jr."
            )
        )

        self.assertEquals(
            (
                yield defer.ensureDeferred(
                    self.store.get_profile_displayname(self.frank.localpart)
                )
            ),
            "Frank Jr.",
        )

        # Set displayname again
        yield defer.ensureDeferred(
            self.handler.set_displayname(
                self.frank, synapse.types.create_requester(self.frank), "Frank"
            )
        )

        self.assertEquals(
            (yield self.store.get_profile_displayname(self.frank.localpart)), "Frank",
        )

    @defer.inlineCallbacks
    def test_set_my_name_if_disabled(self):
        self.hs.config.enable_set_displayname = False

        # Setting displayname for the first time is allowed
        yield self.store.set_profile_displayname(self.frank.localpart, "Frank")

        self.assertEquals(
            (yield self.store.get_profile_displayname(self.frank.localpart)), "Frank",
        )

        # Setting displayname a second time is forbidden
        d = defer.ensureDeferred(
            self.handler.set_displayname(
                self.frank, synapse.types.create_requester(self.frank), "Frank Jr."
            )
        )

        yield self.assertFailure(d, SynapseError)

    @defer.inlineCallbacks
    def test_set_my_name_noauth(self):
        d = defer.ensureDeferred(
            self.handler.set_displayname(
                self.frank, synapse.types.create_requester(self.bob), "Frank Jr."
            )
        )

        yield self.assertFailure(d, AuthError)

    @defer.inlineCallbacks
    def test_get_other_name(self):
        self.mock_federation.make_query.return_value = defer.succeed(
            {"displayname": "Alice"}
        )

        displayname = yield self.handler.get_displayname(self.alice)

        self.assertEquals(displayname, "Alice")
        self.mock_federation.make_query.assert_called_with(
            destination="remote",
            query_type="profile",
            args={"user_id": "@alice:remote", "field": "displayname"},
            ignore_backoff=True,
        )

    @defer.inlineCallbacks
    def test_incoming_fed_query(self):
        yield self.store.create_profile("caroline")
        yield self.store.set_profile_displayname("caroline", "Caroline")

        response = yield self.query_handlers["profile"](
            {"user_id": "@caroline:test", "field": "displayname"}
        )

        self.assertEquals({"displayname": "Caroline"}, response)

    @defer.inlineCallbacks
    def test_get_my_avatar(self):
        yield self.store.set_profile_avatar_url(
            self.frank.localpart, "http://my.server/me.png"
        )

        avatar_url = yield self.handler.get_avatar_url(self.frank)

        self.assertEquals("http://my.server/me.png", avatar_url)

    @defer.inlineCallbacks
    def test_set_my_avatar(self):
        yield defer.ensureDeferred(
            self.handler.set_avatar_url(
                self.frank,
                synapse.types.create_requester(self.frank),
                "http://my.server/pic.gif",
            )
        )

        self.assertEquals(
            (yield self.store.get_profile_avatar_url(self.frank.localpart)),
            "http://my.server/pic.gif",
        )

        # Set avatar again
        yield defer.ensureDeferred(
            self.handler.set_avatar_url(
                self.frank,
                synapse.types.create_requester(self.frank),
                "http://my.server/me.png",
            )
        )

        self.assertEquals(
            (yield self.store.get_profile_avatar_url(self.frank.localpart)),
            "http://my.server/me.png",
        )

    @defer.inlineCallbacks
    def test_set_my_avatar_if_disabled(self):
        self.hs.config.enable_set_avatar_url = False

        # Setting displayname for the first time is allowed
        yield self.store.set_profile_avatar_url(
            self.frank.localpart, "http://my.server/me.png"
        )

        self.assertEquals(
            (yield self.store.get_profile_avatar_url(self.frank.localpart)),
            "http://my.server/me.png",
        )

        # Set avatar a second time is forbidden
        d = defer.ensureDeferred(
            self.handler.set_avatar_url(
                self.frank,
                synapse.types.create_requester(self.frank),
                "http://my.server/pic.gif",
            )
        )

        yield self.assertFailure(d, SynapseError)
