from unittest.mock import patch

import orjson
from django.test.utils import override_settings
from typing_extensions import override

from zerver.lib.bot_lib import EmbeddedBotQuitError
from zerver.lib.display_recipient import get_display_recipient
from zerver.lib.test_classes import ZulipTestCase
from zerver.models import UserProfile
from zerver.models.bots import get_service_profile
from zerver.models.realms import get_realm
from zerver.models.recipients import get_or_create_direct_message_group
from zerver.models.users import get_user


class TestEmbeddedBotMessaging(ZulipTestCase):
    @override
    def setUp(self) -> None:
        super().setUp()
        self.user_profile = self.example_user("othello")
        self.bot_profile = self.create_test_bot(
            "embedded",
            self.user_profile,
            full_name="Embedded bot",
            bot_type=UserProfile.EMBEDDED_BOT,
            service_name="helloworld",
            config_data=orjson.dumps({"foo": "bar"}).decode(),
        )

    def test_pm_to_embedded_bot(self) -> None:
        assert self.bot_profile is not None
        self.send_personal_message(self.user_profile, self.bot_profile, content="help")
        last_message = self.get_last_message()
        self.assertEqual(last_message.content, "beep boop")
        self.assertEqual(last_message.sender_id, self.bot_profile.id)
        display_recipient = get_display_recipient(last_message.recipient)
        assert isinstance(display_recipient, list)
        self.assert_length(display_recipient, 1)
        self.assertEqual(display_recipient[0]["email"], self.user_profile.email)

    @override_settings(PREFER_DIRECT_MESSAGE_GROUP=True)
    def test_pm_to_embedded_bot_using_direct_group_message(self) -> None:
        assert self.bot_profile is not None

        direct_group_message = get_or_create_direct_message_group(
            id_list=[self.user_profile.id, self.bot_profile.id]
        )

        self.send_personal_message(self.user_profile, self.bot_profile, content="help")

        last_message = self.get_last_message()
        self.assertEqual(last_message.content, "beep boop")
        self.assertEqual(last_message.sender_id, self.bot_profile.id)
        self.assertEqual(last_message.recipient, direct_group_message.recipient)

        display_recipient = get_display_recipient(last_message.recipient)
        assert isinstance(display_recipient, list)
        self.assert_length(display_recipient, 2)
        self.assertEqual(display_recipient[0]["email"], self.user_profile.email)
        self.assertEqual(display_recipient[1]["email"], self.bot_profile.email)

    def test_stream_message_to_embedded_bot(self) -> None:
        assert self.bot_profile is not None
        self.send_stream_message(
            self.user_profile,
            "Denmark",
            content=f"@**{self.bot_profile.full_name}** foo",
            topic_name="bar",
        )
        last_message = self.get_last_message()
        self.assertEqual(last_message.content, "beep boop")
        self.assertEqual(last_message.sender_id, self.bot_profile.id)
        self.assertEqual(last_message.topic_name(), "bar")
        self.assert_message_stream_name(last_message, "Denmark")

    def test_stream_message_not_to_embedded_bot(self) -> None:
        self.send_stream_message(self.user_profile, "Denmark", content="foo", topic_name="bar")
        last_message = self.get_last_message()
        self.assertEqual(last_message.content, "foo")

    def test_message_to_embedded_bot_with_initialize(self) -> None:
        assert self.bot_profile is not None
        self.subscribe(self.user_profile, "Denmark")
        with patch(
            "zulip_bots.bots.helloworld.helloworld.HelloWorldHandler.initialize", create=True
        ) as mock_initialize:
            self.send_stream_message(
                self.user_profile,
                "Denmark",
                content=f"@**{self.bot_profile.full_name}** foo",
                topic_name="bar",
            )
            mock_initialize.assert_called_once()

    def test_embedded_bot_quit_exception(self) -> None:
        assert self.bot_profile is not None
        with (
            patch(
                "zulip_bots.bots.helloworld.helloworld.HelloWorldHandler.handle_message",
                side_effect=EmbeddedBotQuitError("I'm quitting!"),
            ),
            self.assertLogs(level="WARNING") as m,
        ):
            self.send_stream_message(
                self.user_profile,
                "Denmark",
                content=f"@**{self.bot_profile.full_name}** foo",
                topic_name="bar",
            )
            self.assertEqual(m.output, ["WARNING:root:I'm quitting!"])


class TestEmbeddedBotFailures(ZulipTestCase):
    def test_message_embedded_bot_with_invalid_service(self) -> None:
        user_profile = self.example_user("othello")
        self.create_test_bot(
            short_name="embedded",
            user_profile=user_profile,
            bot_type=UserProfile.EMBEDDED_BOT,
            service_name="helloworld",
        )
        bot_profile = get_user("embedded-bot@zulip.testserver", get_realm("zulip"))
        service_profile = get_service_profile(bot_profile.id, "helloworld")
        service_profile.name = "invalid"
        service_profile.save()
        with self.assertLogs(level="ERROR") as m:
            self.send_stream_message(
                user_profile,
                "Denmark",
                content=f"@**{bot_profile.full_name}** foo",
                topic_name="bar",
            )
            self.assertEqual(
                m.output[0],
                f"ERROR:root:Error: User {bot_profile.id} has bot with invalid embedded bot service invalid",
            )
