"""Unit tests for local VocaGateway embed helpers (no real containers)."""

from __future__ import annotations

import io
import json
import unittest
from pathlib import Path
from unittest.mock import MagicMock, patch

from vocalinux.gateway_embed.pairing import (
    MAX_QR_SVG_BYTES,
    decode_pairing_payload,
)
from vocalinux.gateway_embed.preset import (
    GATEWAY_TRANSCRIPTIONS_ENDPOINT,
    remote_api_preset_from_pairing,
)
from vocalinux.gateway_embed.runtime import ContainerRuntime, detect_container_runtime
from vocalinux.gateway_embed.sandbox import detect_sandbox
from vocalinux.gateway_embed.status import GatewayStatus
from vocalinux.gateway_embed.urls import is_loopback_url, reject_loopback_url
from vocalinux.ui.config_manager import DEFAULT_CONFIG


class TestLoopbackRejection(unittest.TestCase):
    def test_rejects_localhost_variants(self):
        for url in (
            "http://127.0.0.1:8765",
            "http://localhost:8765",
            "http://[::1]:8765",
            "https://127.0.0.1/",
            "",
            None,
        ):
            self.assertTrue(is_loopback_url(url), url)
            self.assertIsNone(reject_loopback_url(url))

    def test_rejects_short_form_loopback_and_localhost_star(self):
        # Contract / gateway policy: 127.1 and localhost.* must never be Pairable.
        for url in (
            "http://127.1:8765",
            "http://127.0.1:8765",
            "http://localhost.localdomain:8765",
            "http://localhost.foo:8765",
        ):
            self.assertTrue(is_loopback_url(url), url)
            self.assertIsNone(reject_loopback_url(url), url)

    def test_rejects_link_local_for_qr(self):
        for url in (
            "http://169.254.10.20:8765",
            "http://[fe80::1]:8765",
        ):
            self.assertIsNone(reject_loopback_url(url), url)

    def test_rejects_default_container_bridge(self):
        for url in (
            "http://172.17.0.1:8765",
            "http://172.17.0.2:8765",
            "http://10.88.0.1:8765",
        ):
            self.assertIsNone(reject_loopback_url(url), url)

    def test_accepts_lan(self):
        url = "http://192.168.1.20:8765"
        self.assertFalse(is_loopback_url(url))
        self.assertEqual(reject_loopback_url(url), url)


class TestRuntimeDetector(unittest.TestCase):
    def test_prefers_podman(self):
        def lookup(name):
            return {
                "podman": "/usr/bin/podman",
                "docker": "/usr/bin/docker",
            }.get(name)

        def probe(argv, **_kwargs):
            return argv[0] in {"/usr/bin/podman", "/usr/bin/docker"} and argv[1] in {
                "info",
                "version",
                "compose",
            }

        info = detect_container_runtime(path_lookup=lookup, probe=probe)
        self.assertEqual(info.kind, ContainerRuntime.PODMAN)
        self.assertEqual(info.binary, "/usr/bin/podman")

    def test_falls_back_to_docker(self):
        def lookup(name):
            return {"docker": "/usr/bin/docker"}.get(name)

        def probe(argv, **_kwargs):
            return argv[0] == "/usr/bin/docker"

        info = detect_container_runtime(path_lookup=lookup, probe=probe)
        self.assertEqual(info.kind, ContainerRuntime.DOCKER)

    def test_none_with_hint(self):
        info = detect_container_runtime(path_lookup=lambda _n: None, probe=lambda *_a, **_k: False)
        self.assertEqual(info.kind, ContainerRuntime.NONE)
        self.assertIn("podman", info.hint.lower())

    def test_engine_without_compose_is_unavailable(self):
        def lookup(name):
            return {"podman": "/usr/bin/podman"}.get(name)

        def probe(argv, **_kwargs):
            # Engine probes succeed; the compose plugin probe (argv[1]=="compose") fails.
            return (
                bool(argv)
                and argv[0] == "/usr/bin/podman"
                and len(argv) > 1
                and argv[1] in {"info", "version"}
            )

        info = detect_container_runtime(path_lookup=lookup, probe=probe)
        self.assertEqual(info.kind, ContainerRuntime.PODMAN)
        self.assertEqual(info.compose_args, ())
        self.assertIn("compose", info.hint.lower())

        from vocalinux.gateway_embed.runner import GatewayRunner

        runner = GatewayRunner(
            runtime=info,
            sandbox=detect_sandbox({}),
            run=MagicMock(),
        )
        self.assertFalse(runner.available)
        self.assertEqual(runner.unavailable_hint, info.hint)
        self.assertNotIn("No container runtime", runner.unavailable_hint)


class TestStatusMachine(unittest.TestCase):
    def test_ready_beats_pairable(self):
        self.assertEqual(
            GatewayStatus.from_health(live=True, ready=True, pairable=True, running=True),
            GatewayStatus.READY,
        )

    def test_pairable_before_ready(self):
        self.assertEqual(
            GatewayStatus.from_health(live=True, ready=False, pairable=True, running=True),
            GatewayStatus.PAIRABLE,
        )

    def test_live_only(self):
        self.assertEqual(
            GatewayStatus.from_health(live=True, ready=False, pairable=False, running=True),
            GatewayStatus.LIVE,
        )

    def test_starting(self):
        self.assertEqual(
            GatewayStatus.from_health(
                live=False, ready=False, pairable=False, running=True, starting=True
            ),
            GatewayStatus.STARTING,
        )

    def test_stopped(self):
        self.assertEqual(
            GatewayStatus.from_health(live=False, ready=False, pairable=False, running=False),
            GatewayStatus.STOPPED,
        )

    def test_error(self):
        self.assertEqual(
            GatewayStatus.from_health(
                live=False, ready=False, pairable=False, error=True, running=False
            ),
            GatewayStatus.ERROR,
        )


class TestRemoteApiPreset(unittest.TestCase):
    def test_maps_openai_path(self):
        preset = remote_api_preset_from_pairing(
            url="http://192.168.1.20:8765",
            token="a" * 32,
        )
        self.assertEqual(preset["engine"], "remote_api")
        self.assertEqual(preset["remote_api_url"], "http://192.168.1.20:8765")
        self.assertEqual(preset["remote_api_key"], "a" * 32)
        self.assertEqual(preset["remote_api_endpoint"], GATEWAY_TRANSCRIPTIONS_ENDPOINT)

    def test_rejects_empty(self):
        with self.assertRaises(ValueError):
            remote_api_preset_from_pairing(url="", token="x" * 32)


class TestPairingDecode(unittest.TestCase):
    def test_payload_object(self):
        info = decode_pairing_payload(
            {
                "payload": {
                    "v": 1,
                    "url": "http://10.0.0.5:8765",
                    "token": "tokentokentokentokentokentoken12",
                }
            }
        )
        self.assertEqual(info.display_url, "http://10.0.0.5:8765")
        self.assertTrue(info.pairable)

    def test_payload_string_and_loopback_hidden(self):
        raw = json.dumps({"v": 1, "url": "http://127.0.0.1:8765", "token": "t" * 32})
        info = decode_pairing_payload({"payload": raw})
        self.assertIsNone(info.display_url)
        self.assertFalse(info.pairable)

    def test_docker_bridge_not_pairable(self):
        info = decode_pairing_payload(
            {
                "payload": {
                    "v": 1,
                    "url": "http://172.17.0.2:8765",
                    "token": "tokentokentokentokentokentoken12",
                }
            }
        )
        self.assertIsNone(info.display_url)
        self.assertFalse(info.pairable)

    def test_link_local_not_pairable(self):
        info = decode_pairing_payload(
            {
                "payload": {
                    "v": 1,
                    "url": "http://169.254.1.2:8765",
                    "token": "tokentokentokentokentokentoken12",
                }
            }
        )
        self.assertIsNone(info.display_url)
        self.assertFalse(info.pairable)

    def test_short_form_loopback_not_pairable(self):
        info = decode_pairing_payload(
            {
                "payload": {
                    "v": 1,
                    "url": "http://127.1:8765",
                    "token": "tokentokentokentokentokentoken12",
                }
            }
        )
        self.assertIsNone(info.display_url)
        self.assertFalse(info.pairable)

    def test_qr_download_capped(self):
        from vocalinux.gateway_embed.pairing import _read_capped

        class FakeResp:
            def __init__(self, payload: bytes):
                self._buf = io.BytesIO(payload)

            def read(self, n=-1):
                return self._buf.read(n if n is not None else -1)

        huge = b"x" * (MAX_QR_SVG_BYTES + 10)
        with self.assertRaises(ValueError):
            _read_capped(FakeResp(huge), MAX_QR_SVG_BYTES)


class TestSandbox(unittest.TestCase):
    def test_flatpak_fails_closed(self):
        state = detect_sandbox({"FLATPAK_ID": "com.vocahq.Vocalinux"})
        self.assertTrue(state.blocked)
        self.assertEqual(state.kind, "flatpak")
        self.assertIn("Flatpak", state.hint)

    def test_host_ok(self):
        state = detect_sandbox({})
        self.assertFalse(state.blocked)


class TestDefaultEngineUnchanged(unittest.TestCase):
    def test_default_still_whisper_cpp(self):
        self.assertEqual(DEFAULT_CONFIG["speech_recognition"]["engine"], "whisper_cpp")
        self.assertIn("gateway_embed", DEFAULT_CONFIG)
        self.assertFalse(DEFAULT_CONFIG["gateway_embed"]["lan_publish"])


class TestRunnerNoVolumeWipe(unittest.TestCase):
    def test_stop_refuses_wipe_flag(self):
        from vocalinux.gateway_embed.runner import GatewayRunner
        from vocalinux.gateway_embed.runtime import RuntimeInfo

        runner = GatewayRunner(
            runtime=RuntimeInfo(
                kind=ContainerRuntime.PODMAN,
                binary="/usr/bin/podman",
                compose_args=("/usr/bin/podman", "compose"),
            ),
            sandbox=detect_sandbox({}),
            run=MagicMock(),
        )
        with self.assertRaises(RuntimeError):
            runner.stop(wipe_volumes=True)


class TestComposeCpuProfile(unittest.TestCase):
    def test_start_uses_profile_cpu(self):
        from vocalinux.gateway_embed.runner import GatewayRunner
        from vocalinux.gateway_embed.runtime import RuntimeInfo

        calls = []

        def fake_run(argv, **kwargs):
            calls.append(list(argv))
            completed = MagicMock()
            completed.returncode = 0
            completed.stdout = b""
            completed.stderr = b""
            return completed

        runner = GatewayRunner(
            runtime=RuntimeInfo(
                kind=ContainerRuntime.PODMAN,
                binary="/usr/bin/podman",
                compose_args=("/usr/bin/podman", "compose"),
            ),
            sandbox=detect_sandbox({}),
            run=fake_run,
        )
        with patch.object(runner, "prepare", return_value=("/tmp/gw", "t" * 32, "/tmp/.env")):
            result = runner.start(lan_publish=False)
        self.assertTrue(result.ok)
        compose_calls = [c for c in calls if c[:2] == ["/usr/bin/podman", "compose"]]
        self.assertTrue(compose_calls)
        argv = compose_calls[0]
        self.assertIn("--profile", argv)
        self.assertEqual(argv[argv.index("--profile") + 1], "cpu")
        self.assertIn("up", argv)
        self.assertIn("-d", argv)
        self.assertIn("gateway", argv)


class TestImagePin(unittest.TestCase):
    def test_rejects_latest_override(self):
        import tempfile

        from vocalinux.gateway_embed.runner import write_env_file

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            with patch.dict("os.environ", {"VOCAGATEWAY_IMAGE": "vocagateway:latest"}):
                write_env_file(token="a" * 32, lan_publish=False, path=env_path)
            body = Path(env_path).read_text(encoding="utf-8")
            self.assertIn("VOCAGATEWAY_IMAGE=vocagateway:v0.1.0", body)
            self.assertNotIn(":latest", body)

    def test_rejects_newline_image_injection(self):
        import tempfile

        from vocalinux.gateway_embed.runner import write_env_file

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            evil = "vocagateway:v0.1.0\nEVIL=1"
            with patch.dict("os.environ", {"VOCAGATEWAY_IMAGE": evil}):
                write_env_file(token="a" * 32, lan_publish=False, path=env_path)
            body = Path(env_path).read_text(encoding="utf-8")
            self.assertIn("VOCAGATEWAY_IMAGE=vocagateway:v0.1.0\n", body)
            self.assertNotIn("EVIL=", body)

    def test_omits_loopback_public_url(self):
        import tempfile

        from vocalinux.gateway_embed.runner import write_env_file

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            write_env_file(
                token="a" * 32,
                lan_publish=True,
                public_url="http://127.0.0.1:8765",
                path=env_path,
            )
            body = Path(env_path).read_text(encoding="utf-8")
            self.assertNotIn("VOCAGATEWAY_PUBLIC_URL=", body)

    def test_read_lan_publish_from_env_matches_write(self):
        import tempfile

        from vocalinux.gateway_embed.runner import (
            read_lan_publish_from_env,
            write_env_file,
        )

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            write_env_file(token="a" * 32, lan_publish=True, path=env_path)
            self.assertTrue(read_lan_publish_from_env(env_path))
            write_env_file(token="a" * 32, lan_publish=False, path=env_path)
            self.assertFalse(read_lan_publish_from_env(env_path))
            self.assertFalse(read_lan_publish_from_env(f"{tmp}/missing.env"))


class TestTokenFileCap(unittest.TestCase):
    def test_oversized_token_file_regenerated(self):
        import tempfile

        from vocalinux.gateway_embed.paths_embed import ensure_token_file

        with tempfile.TemporaryDirectory() as tmp:
            path = f"{tmp}/token"
            with open(path, "wb") as handle:
                handle.write(b"a" * 9000)
            token = ensure_token_file(path)
            self.assertEqual(len(token), 64)
            self.assertLess(Path(path).stat().st_size, 200)


class TestLanPublishGate(unittest.TestCase):
    def _manager(self):
        from vocalinux.gateway_embed.manager import GatewayEmbedManager
        from vocalinux.gateway_embed.runner import GatewayRunner
        from vocalinux.gateway_embed.runtime import RuntimeInfo

        runner = GatewayRunner(
            runtime=RuntimeInfo(
                kind=ContainerRuntime.PODMAN,
                binary="/usr/bin/podman",
                compose_args=("/usr/bin/podman", "compose"),
            ),
            sandbox=detect_sandbox({}),
            run=MagicMock(),
        )
        return GatewayEmbedManager(runner=runner), runner

    def test_lan_toggle_without_republish_not_pairable(self):
        """Desired LAN alone must not advertise Pairable on a loopback bind."""
        from vocalinux.gateway_embed.pairing import PairingInfo

        manager, runner = self._manager()
        runner.managed_by_us = True
        manager.lan_publish = True
        manager._compose_lan_publish = False
        manager._token = "t" * 32
        self.assertFalse(manager._effective_lan_for_pairing())

        captured = {}

        def fake_fetch(base_url, token, *, public_url=None, fetch_qr=True, timeout=3.0):
            captured["public_url"] = public_url
            return PairingInfo(
                version=1,
                url="http://127.0.0.1:8765",
                token=token,
                display_url=None,
                raw_payload={"v": 1, "url": "http://127.0.0.1:8765", "token": token},
            )

        with patch("vocalinux.gateway_embed.manager.probe_health") as health:
            health.return_value = MagicMock(live=True, ready=False, error="")
            with patch("vocalinux.gateway_embed.manager.fetch_pairing", side_effect=fake_fetch):
                status = manager.refresh_status()
        self.assertIsNone(captured.get("public_url"))
        self.assertEqual(status, GatewayStatus.LIVE)
        self.assertIsNotNone(manager.pairing)
        self.assertFalse(manager.pairing.pairable)

    def test_apply_lan_publish_republishes_when_managed(self):
        from vocalinux.gateway_embed.pairing import PairingInfo
        from vocalinux.gateway_embed.runner import RunnerResult

        manager, runner = self._manager()
        runner.managed_by_us = True
        manager.lan_publish = False
        manager._compose_lan_publish = False
        manager._pairing = PairingInfo(
            version=1,
            url="http://127.0.0.1:8765",
            token="t" * 32,
            display_url=None,
            raw_payload={},
        )
        calls = {"n": 0}

        def fake_republish(*, lan_publish, public_url=None):
            calls["n"] += 1
            self.assertTrue(lan_publish)
            return RunnerResult(ok=True, message="republished")

        with patch("threading.Thread") as fake_thread:
            fake_thread.return_value = MagicMock()
            with patch.object(runner, "republish", side_effect=fake_republish):
                with patch.object(manager, "refresh_status", return_value=GatewayStatus.LIVE):
                    manager.apply_lan_publish(True)
                    self.assertIsNone(manager.pairing)
                    self.assertTrue(manager._republish_started)
                    # Run worker synchronously (Thread.start was mocked).
                    manager._republish_worker()
        self.assertEqual(calls["n"], 1)
        self.assertTrue(manager._compose_lan_publish)
        self.assertTrue(manager.lan_publish)
        self.assertFalse(manager._republish_started)

    def test_start_worker_snapshots_lan_if_switch_flips_mid_start(self):
        from vocalinux.gateway_embed.runner import RunnerResult

        manager, runner = self._manager()
        manager.lan_publish = True
        manager._compose_lan_publish = None

        def fake_start(*, lan_publish, public_url=None):
            self.assertTrue(lan_publish)
            manager.lan_publish = False
            runner.managed_by_us = True
            return RunnerResult(ok=True, message="started")

        with patch("threading.Thread") as fake_thread:
            fake_thread.return_value = MagicMock()
            with patch(
                "vocalinux.gateway_embed.paths_embed.ensure_token_file",
                return_value="t" * 32,
            ):
                with patch.object(runner, "ensure_runtime"):
                    with patch.object(runner, "start", side_effect=fake_start):
                        with patch.object(manager, "_start_polling"):
                            with patch.object(manager, "refresh_status"):
                                manager._start_worker()

        self.assertIs(manager._compose_lan_publish, True)
        self.assertFalse(manager.lan_publish)
        self.assertTrue(manager._republish_started)

    def test_republish_worker_snapshots_lan_if_switch_flips_mid_republish(self):
        from vocalinux.gateway_embed.runner import RunnerResult

        manager, runner = self._manager()
        runner.managed_by_us = True
        manager.lan_publish = True
        manager._compose_lan_publish = False
        manager._republish_started = True

        def fake_republish(*, lan_publish, public_url=None):
            self.assertTrue(lan_publish)
            manager.lan_publish = False
            return RunnerResult(ok=True, message="republished")

        with patch("threading.Thread") as fake_thread:
            fake_thread.return_value = MagicMock()
            with patch.object(runner, "republish", side_effect=fake_republish):
                with patch.object(manager, "refresh_status"):
                    manager._republish_worker()

        self.assertIs(manager._compose_lan_publish, True)
        self.assertFalse(manager.lan_publish)
        self.assertTrue(manager._republish_started)

    def test_live_detail_warns_when_lan_off_but_compose_still_open(self):
        from vocalinux.gateway_embed.pairing import PairingInfo

        manager, runner = self._manager()
        runner.managed_by_us = True
        manager.lan_publish = False
        manager._compose_lan_publish = True
        manager._token = "t" * 32

        def fake_fetch(base_url, token, *, public_url=None, fetch_qr=True, timeout=3.0):
            return PairingInfo(
                version=1,
                url="http://127.0.0.1:8765",
                token=token,
                display_url=None,
                raw_payload={"v": 1, "url": "http://127.0.0.1:8765", "token": token},
            )

        with patch("vocalinux.gateway_embed.manager.probe_health") as health:
            health.return_value = MagicMock(live=True, ready=False, error="")
            with patch("vocalinux.gateway_embed.manager.fetch_pairing", side_effect=fake_fetch):
                status = manager.refresh_status()
        self.assertEqual(status, GatewayStatus.LIVE)
        self.assertIn("still open on the LAN", manager.status_detail)
        self.assertFalse(manager._effective_lan_for_pairing())

    def test_omits_bridge_public_url_from_env(self):
        import tempfile

        from vocalinux.gateway_embed.runner import write_env_file

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            write_env_file(
                token="a" * 32,
                lan_publish=True,
                public_url="http://172.17.0.2:8765",
                path=env_path,
            )
            body = Path(env_path).read_text(encoding="utf-8")
            self.assertNotIn("VOCAGATEWAY_PUBLIC_URL=", body)


class TestOrphanComposeDetect(unittest.TestCase):
    """Leftover compose after Quit must not look Stopped."""

    def _manager(self):
        from vocalinux.gateway_embed.manager import GatewayEmbedManager
        from vocalinux.gateway_embed.runner import GatewayRunner
        from vocalinux.gateway_embed.runtime import RuntimeInfo

        runner = GatewayRunner(
            runtime=RuntimeInfo(
                kind=ContainerRuntime.PODMAN,
                binary="/usr/bin/podman",
                compose_args=("/usr/bin/podman", "compose"),
            ),
            sandbox=detect_sandbox({}),
            run=MagicMock(),
        )
        runner.managed_by_us = False
        return GatewayEmbedManager(runner=runner), runner

    def test_refresh_status_does_not_stay_stopped_for_orphan(self):
        manager, runner = self._manager()
        self.assertFalse(manager.managed_by_us)
        self.assertEqual(manager.status, GatewayStatus.STOPPED)

        with patch.object(runner, "is_compose_running", return_value=True):
            with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                health.return_value = MagicMock(live=True, ready=False, error="")
                status = manager.refresh_status()

        self.assertEqual(status, GatewayStatus.LIVE)
        self.assertNotEqual(status, GatewayStatus.STOPPED)
        self.assertFalse(manager.managed_by_us)
        stoppable = {
            GatewayStatus.STARTING,
            GatewayStatus.LIVE,
            GatewayStatus.PAIRABLE,
            GatewayStatus.READY,
            GatewayStatus.ERROR,
        }
        self.assertIn(status, stoppable)

    def test_refresh_status_starting_when_compose_up_but_not_live(self):
        manager, runner = self._manager()
        with patch.object(runner, "is_compose_running", return_value=True):
            with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                health.return_value = MagicMock(live=False, ready=False, error="")
                status = manager.refresh_status()
        self.assertEqual(status, GatewayStatus.STARTING)
        self.assertNotEqual(status, GatewayStatus.STOPPED)

    def test_runtime_ready_probe_adopts_orphan_and_starts_polling(self):
        manager, runner = self._manager()
        self.assertTrue(manager.runtime_ready)
        self.assertFalse(manager._runtime_detect_started)

        with patch.object(runner, "is_compose_running", return_value=True):
            with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                health.return_value = MagicMock(live=True, ready=False, error="")
                with patch.object(manager, "_start_polling") as poll:
                    manager.begin_runtime_detection()

        self.assertEqual(manager.status, GatewayStatus.LIVE)
        poll.assert_called_once()

    def test_orphan_probe_loads_existing_token(self):
        import tempfile

        manager, runner = self._manager()
        with tempfile.TemporaryDirectory() as tmp:
            token_path = f"{tmp}/token"
            existing = "ab" * 32
            with open(token_path, "w", encoding="utf-8") as handle:
                handle.write(existing + "\n")
            with patch(
                "vocalinux.gateway_embed.paths_embed.token_file_path",
                return_value=token_path,
            ):
                with patch.object(runner, "is_compose_running", return_value=True):
                    with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                        health.return_value = MagicMock(live=False, ready=False, error="")
                        with patch.object(manager, "_start_polling"):
                            manager.begin_runtime_detection()
            self.assertEqual(manager._token, existing)

    def test_stop_worker_stops_orphan_without_managed_by_us(self):
        from vocalinux.gateway_embed.runner import RunnerResult

        manager, runner = self._manager()
        self.assertFalse(manager.managed_by_us)

        with patch.object(
            runner, "stop", return_value=RunnerResult(ok=True, message="stopped")
        ) as stop:
            manager._stop_worker()

        stop.assert_called_once_with(wipe_volumes=False)
        self.assertEqual(manager.status, GatewayStatus.STOPPED)
        self.assertFalse(manager.managed_by_us)

    def test_stop_async_starts_worker_for_orphan(self):
        manager, runner = self._manager()
        self.assertFalse(manager.managed_by_us)
        with patch("threading.Thread") as fake_thread:
            started = MagicMock()
            fake_thread.return_value = started
            manager.stop_async()
            fake_thread.assert_called_once()
            kwargs = fake_thread.call_args.kwargs
            self.assertEqual(kwargs.get("name"), "vocalinux-gateway-stop")
            self.assertEqual(kwargs.get("target").__func__, manager._stop_worker.__func__)
            started.start.assert_called_once()

    def test_orphan_adopt_restores_lan_on_from_env(self):
        import tempfile

        from vocalinux.gateway_embed.runner import write_env_file

        manager, runner = self._manager()
        self.assertFalse(runner.managed_by_us)
        manager.lan_publish = False
        manager._compose_lan_publish = None

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            write_env_file(token="a" * 32, lan_publish=True, path=env_path)
            with patch(
                "vocalinux.gateway_embed.runner.env_file_path",
                return_value=env_path,
            ):
                with patch.object(runner, "is_compose_running", return_value=True):
                    with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                        health.return_value = MagicMock(live=True, ready=False, error="")
                        with patch.object(manager, "_start_polling"):
                            manager.begin_runtime_detection()

        self.assertIs(manager._compose_lan_publish, True)
        self.assertTrue(manager.lan_publish)
        self.assertTrue(runner.managed_by_us)
        self.assertTrue(manager.managed_by_us)

    def test_orphan_adopt_restores_lan_off_from_loopback_env(self):
        import tempfile

        from vocalinux.gateway_embed.runner import write_env_file

        manager, runner = self._manager()
        manager.lan_publish = True
        manager._compose_lan_publish = None

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            write_env_file(token="a" * 32, lan_publish=False, path=env_path)
            with patch(
                "vocalinux.gateway_embed.runner.env_file_path",
                return_value=env_path,
            ):
                with patch.object(runner, "is_compose_running", return_value=True):
                    with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                        health.return_value = MagicMock(live=True, ready=False, error="")
                        with patch.object(manager, "_start_polling"):
                            manager.begin_runtime_detection()

        self.assertIs(manager._compose_lan_publish, False)
        self.assertFalse(manager.lan_publish)
        self.assertTrue(runner.managed_by_us)

    def test_apply_lan_publish_republishes_after_orphan_lan_adopt(self):
        import tempfile

        from vocalinux.gateway_embed.runner import RunnerResult, write_env_file

        manager, runner = self._manager()
        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            write_env_file(token="a" * 32, lan_publish=True, path=env_path)
            with patch(
                "vocalinux.gateway_embed.runner.env_file_path",
                return_value=env_path,
            ):
                with patch.object(runner, "is_compose_running", return_value=True):
                    with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                        health.return_value = MagicMock(live=True, ready=False, error="")
                        with patch.object(manager, "_start_polling"):
                            manager.begin_runtime_detection()

        self.assertTrue(runner.managed_by_us)
        self.assertIs(manager._compose_lan_publish, True)

        calls = {"n": 0}

        def fake_republish(*, lan_publish, public_url=None):
            calls["n"] += 1
            self.assertFalse(lan_publish)
            return RunnerResult(ok=True, message="republished")

        with patch("threading.Thread") as fake_thread:
            fake_thread.return_value = MagicMock()
            with patch.object(runner, "republish", side_effect=fake_republish):
                with patch.object(manager, "refresh_status", return_value=GatewayStatus.LIVE):
                    manager.apply_lan_publish(False)
                    self.assertTrue(manager._republish_started)
                    manager._republish_worker()

        self.assertEqual(calls["n"], 1)
        self.assertIs(manager._compose_lan_publish, False)
        self.assertFalse(manager.lan_publish)


class TestFailedRepublishEnvRestore(unittest.TestCase):
    """Failed force-recreate must not leave .env lying about the live bind."""

    def _podman_runner(self, run):
        from vocalinux.gateway_embed.runner import GatewayRunner
        from vocalinux.gateway_embed.runtime import RuntimeInfo

        return GatewayRunner(
            runtime=RuntimeInfo(
                kind=ContainerRuntime.PODMAN,
                binary="/usr/bin/podman",
                compose_args=("/usr/bin/podman", "compose"),
            ),
            sandbox=detect_sandbox({}),
            run=run,
        )

    def test_failed_republish_restores_previous_env_publish_host(self):
        import os
        import tempfile

        from vocalinux.gateway_embed.runner import (
            read_lan_publish_from_env,
            write_env_file,
        )

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            checkout = f"{tmp}/checkout"
            os.makedirs(checkout)
            Path(checkout, "compose.yaml").write_text("services: {}\n", encoding="utf-8")
            write_env_file(token="a" * 32, lan_publish=True, path=env_path)
            self.assertTrue(read_lan_publish_from_env(env_path))

            def fake_run(argv, **_kwargs):
                completed = MagicMock()
                completed.returncode = 1
                completed.stdout = b""
                completed.stderr = b"force-recreate failed"
                return completed

            runner = self._podman_runner(fake_run)
            runner.managed_by_us = True
            with patch("vocalinux.gateway_embed.runner.env_file_path", return_value=env_path):
                with patch(
                    "vocalinux.gateway_embed.runner.ensure_gateway_checkout",
                    return_value=checkout,
                ):
                    with patch(
                        "vocalinux.gateway_embed.runner.ensure_token_file",
                        return_value="a" * 32,
                    ):
                        result = runner.republish(lan_publish=False)

            self.assertFalse(result.ok)
            self.assertTrue(read_lan_publish_from_env(env_path))
            body = Path(env_path).read_text(encoding="utf-8")
            self.assertIn("VOCAGATEWAY_PUBLISH_HOST=0.0.0.0", body)
            self.assertNotIn("VOCAGATEWAY_PUBLISH_HOST=127.0.0.1", body)

    def test_failed_republish_reverts_manager_lan_publish_to_compose(self):
        from vocalinux.gateway_embed.manager import GatewayEmbedManager
        from vocalinux.gateway_embed.runner import RunnerResult

        runner = self._podman_runner(MagicMock())
        runner.managed_by_us = True
        manager = GatewayEmbedManager(runner=runner)
        manager.lan_publish = False
        manager._compose_lan_publish = True
        manager._republish_started = True

        def fake_republish(*, lan_publish, public_url=None):
            self.assertFalse(lan_publish)
            return RunnerResult(ok=False, message="force-recreate failed")

        with patch("threading.Thread") as fake_thread:
            fake_thread.return_value = MagicMock()
            with patch.object(runner, "republish", side_effect=fake_republish):
                manager._republish_worker()

        self.assertIs(manager._compose_lan_publish, True)
        self.assertTrue(manager.lan_publish)
        self.assertEqual(manager.status, GatewayStatus.ERROR)
        self.assertIn("previous bind is still in use", manager.status_detail)
        self.assertIn("Stop and Run", manager.status_detail)
        self.assertFalse(manager._republish_started)

    def test_orphan_adopt_after_failed_republish_still_sees_lan_from_env(self):
        import os
        import tempfile

        from vocalinux.gateway_embed.manager import GatewayEmbedManager
        from vocalinux.gateway_embed.runner import (
            read_lan_publish_from_env,
            write_env_file,
        )

        with tempfile.TemporaryDirectory() as tmp:
            env_path = f"{tmp}/.env"
            checkout = f"{tmp}/checkout"
            os.makedirs(checkout)
            Path(checkout, "compose.yaml").write_text("services: {}\n", encoding="utf-8")
            write_env_file(token="a" * 32, lan_publish=True, path=env_path)

            def fake_run(argv, **_kwargs):
                completed = MagicMock()
                completed.returncode = 1
                completed.stdout = b""
                completed.stderr = b"force-recreate failed"
                return completed

            runner = self._podman_runner(fake_run)
            runner.managed_by_us = True
            with patch("vocalinux.gateway_embed.runner.env_file_path", return_value=env_path):
                with patch(
                    "vocalinux.gateway_embed.runner.ensure_gateway_checkout",
                    return_value=checkout,
                ):
                    with patch(
                        "vocalinux.gateway_embed.runner.ensure_token_file",
                        return_value="a" * 32,
                    ):
                        result = runner.republish(lan_publish=False)
                        self.assertFalse(result.ok)
                        self.assertTrue(read_lan_publish_from_env(env_path))

                        next_runner = self._podman_runner(MagicMock())
                        manager = GatewayEmbedManager(runner=next_runner)
                        manager.lan_publish = False
                        manager._compose_lan_publish = None
                        with patch.object(next_runner, "is_compose_running", return_value=True):
                            with patch("vocalinux.gateway_embed.manager.probe_health") as health:
                                health.return_value = MagicMock(live=True, ready=False, error="")
                                with patch.object(manager, "_start_polling"):
                                    manager.begin_runtime_detection()

            self.assertTrue(manager.lan_publish)
            self.assertIs(manager._compose_lan_publish, True)
            self.assertTrue(next_runner.managed_by_us)


class TestManagerListenerCleanup(unittest.TestCase):
    def test_remove_listener_stops_callbacks(self):
        """Settings destroy must be able to detach without further emits."""
        from vocalinux.gateway_embed.manager import GatewayEmbedManager
        from vocalinux.gateway_embed.runner import GatewayRunner
        from vocalinux.gateway_embed.runtime import RuntimeInfo

        runner = GatewayRunner(
            runtime=RuntimeInfo(
                kind=ContainerRuntime.PODMAN,
                binary="/usr/bin/podman",
                compose_args=("/usr/bin/podman", "compose"),
            ),
            sandbox=detect_sandbox({}),
            run=MagicMock(),
        )
        manager = GatewayEmbedManager(runner=runner)
        seen: list[str] = []

        def listener(status, detail):
            seen.append(detail)

        manager.add_listener(listener)
        manager._emit(manager.status, "one")
        manager.remove_listener(listener)
        manager._emit(manager.status, "two")
        self.assertEqual(seen, ["one"])


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