import mock

from zerver.lib.test_classes import ZulipTestCase

from zerver.lib.message import (
    MessageDict,
)

from zerver.models import (
    Message,
    SubMessage,
)

from typing import Any, Dict, List

class TestBasics(ZulipTestCase):
    def test_get_raw_db_rows(self) -> None:
        cordelia = self.example_user('cordelia')
        hamlet = self.example_user('hamlet')
        stream_name = 'Verona'

        message_id = self.send_stream_message(
            sender=cordelia,
            stream_name=stream_name,
        )

        def get_raw_rows() -> List[Dict[str, Any]]:
            query = SubMessage.get_raw_db_rows([message_id])
            rows = list(query)
            return rows

        rows = get_raw_rows()
        self.assertEqual(rows, [])

        sm1 = SubMessage.objects.create(
            msg_type='whatever',
            content='stuff1',
            message_id=message_id,
            sender=cordelia,
        )

        sm2 = SubMessage.objects.create(
            msg_type='whatever',
            content='stuff2',
            message_id=message_id,
            sender=hamlet,
        )

        expected_data = [
            dict(
                id=sm1.id,
                message_id=message_id,
                sender_id=cordelia.id,
                msg_type='whatever',
                content='stuff1',
            ),
            dict(
                id=sm2.id,
                message_id=message_id,
                sender_id=hamlet.id,
                msg_type='whatever',
                content='stuff2',
            ),
        ]

        self.assertEqual(get_raw_rows(), expected_data)

        message = Message.objects.get(id=message_id)
        message_json = MessageDict.wide_dict(message)
        rows = message_json['submessages']
        rows.sort(key=lambda r: r['id'])
        self.assertEqual(rows, expected_data)

        msg_rows = MessageDict.get_raw_db_rows([message_id])
        rows = msg_rows[0]['submessages']
        rows.sort(key=lambda r: r['id'])
        self.assertEqual(rows, expected_data)

    def test_endpoint_errors(self) -> None:
        cordelia = self.example_user('cordelia')
        stream_name = 'Verona'
        message_id = self.send_stream_message(
            sender=cordelia,
            stream_name=stream_name,
        )
        self.login_user(cordelia)

        payload = dict(
            message_id=message_id,
            msg_type='whatever',
            content='not json',
        )
        result = self.client_post('/json/submessage', payload)
        self.assert_json_error(result, 'Invalid json for submessage')

        hamlet = self.example_user('hamlet')
        bad_message_id = self.send_personal_message(
            from_user=hamlet,
            to_user=hamlet,
        )
        payload = dict(
            message_id=bad_message_id,
            msg_type='whatever',
            content='does not matter',
        )
        result = self.client_post('/json/submessage', payload)
        self.assert_json_error(result, 'Invalid message(s)')

    def test_endpoint_success(self) -> None:
        cordelia = self.example_user('cordelia')
        hamlet = self.example_user('hamlet')
        stream_name = 'Verona'
        message_id = self.send_stream_message(
            sender=cordelia,
            stream_name=stream_name,
        )
        self.login_user(cordelia)

        payload = dict(
            message_id=message_id,
            msg_type='whatever',
            content='{"name": "alice", "salary": 20}'
        )
        with mock.patch('zerver.lib.actions.send_event') as m:
            result = self.client_post('/json/submessage', payload)
        self.assert_json_success(result)

        submessage = SubMessage.objects.get(message_id=message_id)

        expected_data = dict(
            message_id=message_id,
            submessage_id=submessage.id,
            content=payload['content'],
            msg_type='whatever',
            sender_id=cordelia.id,
            type='submessage',
        )

        self.assertEqual(m.call_count, 1)
        data = m.call_args[0][1]
        self.assertEqual(data, expected_data)
        users = m.call_args[0][2]
        self.assertIn(cordelia.id, users)
        self.assertIn(hamlet.id, users)

        rows = SubMessage.get_raw_db_rows([message_id])
        self.assertEqual(len(rows), 1)
        row = rows[0]

        expected_data = dict(
            id=row['id'],
            message_id=message_id,
            content='{"name": "alice", "salary": 20}',
            msg_type='whatever',
            sender_id=cordelia.id,
        )
        self.assertEqual(row, expected_data)