import unittest

from tracker import TrackerError, resolve_provider  # type: ignore[reportMissingImports]


class ProviderResolutionTests(unittest.TestCase):
    def test_cli_provider_wins_over_environment_and_remote(self):
        self.assertEqual(
            resolve_provider(
                explicit="github",
                env={"TRACKER_PROVIDER": "gitlab"},
                remote="https://gitea.example.com/team/repo.git",
            ),
            "github",
        )

    def test_environment_provider_wins_over_remote(self):
        self.assertEqual(
            resolve_provider(
                env={"TRACKER_PROVIDER": "gitlab"},
                remote="git@github.com:team/repo.git",
            ),
            "gitlab",
        )

    def test_remote_provider_is_detected(self):
        self.assertEqual(resolve_provider(remote="git@gitea.example.com:team/repo.git"), "gitea")

    def test_unsupported_remote_is_structured_error(self):
        with self.assertRaises(TrackerError) as context:
            resolve_provider(remote="https://example.com/team/repo.git")
        self.assertEqual(context.exception.code, "provider_detection_failed")
        self.assertFalse(context.exception.retryable)


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