import unittest
from types import SimpleNamespace
from unittest.mock import patch


class YYDSMailClientDomainTests(unittest.TestCase):
    @patch('src.vmail_client.httpx.post')
    def test_create_mailbox_sends_configured_domain(self, post_mock):
        from src.vmail_client import YYDSMailClient, settings

        captured = {}

        def fake_post(url, headers=None, json=None, timeout=None):
            captured['url'] = url
            captured['headers'] = headers
            captured['json'] = json
            captured['timeout'] = timeout
            return SimpleNamespace(
                status_code=201,
                json=lambda: {
                    'data': {
                        'id': 'box-1',
                        'address': 'chosen@20001028.xyz',
                        'token': 'temp-token',
                    }
                },
            )

        post_mock.side_effect = fake_post

        with patch.object(settings, 'yyds_mail_domain', '20001028.xyz', create=True):
            client = YYDSMailClient()
            mailbox = client.create_mailbox()

        self.assertEqual(mailbox['address'], 'chosen@20001028.xyz')
        self.assertEqual(captured['json'], {'domain': '20001028.xyz'})


if __name__ == '__main__':
    unittest.main()