#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2014-2021 The Matrix.org Foundation C.I.C.
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#

from twisted.internet.testing import MemoryReactor

from synapse.api.constants import ProfileFields
from synapse.server import HomeServer
from synapse.storage.database import LoggingTransaction
from synapse.storage.engines import PostgresEngine
from synapse.types import UserID
from synapse.util.clock import Clock

from tests import unittest


class ProfileStoreTestCase(unittest.HomeserverTestCase):
    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.u_frank = UserID.from_string("@frank:test")

    def test_displayname(self) -> None:
        self.get_success(self.store.create_profile(self.u_frank))

        self.get_success(
            self.store.set_profile_field(
                user_id=self.u_frank,
                field_name=ProfileFields.DISPLAYNAME,
                new_value="Frank",
            )
        )

        self.assertEqual(
            "Frank",
            (self.get_success(self.store.get_profile_displayname(self.u_frank))),
        )

        # test set to None
        self.get_success(
            self.store.set_profile_field(
                user_id=self.u_frank,
                field_name=ProfileFields.DISPLAYNAME,
                new_value=None,
            )
        )

        self.assertIsNone(
            self.get_success(self.store.get_profile_displayname(self.u_frank))
        )

    def test_avatar_url(self) -> None:
        self.get_success(self.store.create_profile(self.u_frank))

        self.get_success(
            self.store.set_profile_field(
                user_id=self.u_frank,
                field_name=ProfileFields.AVATAR_URL,
                new_value="http://my.site/here",
            )
        )

        self.assertEqual(
            "http://my.site/here",
            (self.get_success(self.store.get_profile_avatar_url(self.u_frank))),
        )

        # test set to None
        self.get_success(
            self.store.set_profile_field(
                user_id=self.u_frank,
                field_name=ProfileFields.AVATAR_URL,
                new_value=None,
            )
        )

        self.assertIsNone(
            self.get_success(self.store.get_profile_avatar_url(self.u_frank))
        )

    def test_profiles_bg_migration(self) -> None:
        """
        Test background job that copies entries from column user_id to full_user_id, adding
        the hostname in the process.
        """
        updater = self.hs.get_datastores().main.db_pool.updates

        # drop the constraint so we can insert nulls in full_user_id to populate the test
        if isinstance(self.store.database_engine, PostgresEngine):

            def f(txn: LoggingTransaction) -> None:
                txn.execute(
                    "ALTER TABLE profiles DROP CONSTRAINT full_user_id_not_null"
                )

            self.get_success(self.store.db_pool.runInteraction("", f))

        for i in range(70):
            self.get_success(
                self.store.db_pool.simple_insert(
                    "profiles",
                    {"user_id": f"hello{i:02}"},
                )
            )

        # re-add the constraint so that when it's validated it actually exists
        if isinstance(self.store.database_engine, PostgresEngine):

            def f(txn: LoggingTransaction) -> None:
                txn.execute(
                    "ALTER TABLE profiles ADD CONSTRAINT full_user_id_not_null CHECK (full_user_id IS NOT NULL) NOT VALID"
                )

            self.get_success(self.store.db_pool.runInteraction("", f))

        self.get_success(
            self.store.db_pool.simple_insert(
                "background_updates",
                values={
                    "update_name": "populate_full_user_id_profiles",
                    "progress_json": "{}",
                },
            )
        )

        self.get_success(
            updater.run_background_updates(False),
        )

        expected_values = []
        for i in range(70):
            expected_values.append((f"@hello{i:02}:{self.hs.hostname}",))

        res = self.get_success(
            self.store.db_pool.execute(
                "", "SELECT full_user_id from profiles ORDER BY full_user_id"
            )
        )
        self.assertEqual(len(res), len(expected_values))
        self.assertEqual(res, expected_values)