# -*- coding: utf-8 -*-
"""
Tests fuer die Radio-Quelle (RadioSource) und RadioStation.

Testet HTTP-Radio-Streaming mit ICY-Metadaten-Unterstuetzung
sowie die Fuzzy-Suche ueber Radio-Sender.
"""

from __future__ import annotations

import asyncio
from pathlib import Path
from unittest.mock import AsyncMock, MagicMock, patch, PropertyMock

import pytest

from trixy_core.music.sources.base import SourceState, SourceType, SourceInfo
from trixy_core.music.track import Track, TrackMetadata, TrackState


# =============================================================================
# Hilfsfunktionen und Fixtures
# =============================================================================

def _make_station_dict(
    name: str = "TestRadio",
    url: str = "https://stream.testradio.de/live.mp3",
    genre: str = "Pop",
    country: str = "DE",
    description: str = "",
) -> dict[str, str]:
    """Erzeugt ein Sender-Dict fuer RadioSource-Konfiguration."""
    return {
        "name": name,
        "url": url,
        "genre": genre,
        "country": country,
        "description": description,
    }


@pytest.fixture
def radio_source():
    """Erstellt eine RadioSource-Instanz mit Standardwerten."""
    with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
        from plugins.music.sources.radio import RadioSource
        return RadioSource(
            favorites=[
                _make_station_dict("SWR3", "https://swr3.de/live.mp3", "Pop"),
                _make_station_dict("1LIVE", "https://1live.de/live.mp3", "Pop/Rock"),
                _make_station_dict("Fritz", "https://fritz.de/live.mp3", "Alternative", description="Berliner Jugendradio"),
            ],
            include_defaults=False,
        )


@pytest.fixture
async def connected_radio(radio_source):
    """Erstellt eine verbundene RadioSource."""
    await radio_source.connect()
    return radio_source


# =============================================================================
# RadioStation-Tests
# =============================================================================

class TestRadioStation:
    """Tests fuer die RadioStation-Datenklasse."""

    def test_erstellung(self):
        """RadioStation kann mit Name und URL erstellt werden."""
        from plugins.music.sources.radio import RadioStation
        station = RadioStation(name="TestFM", url="https://test.fm/stream.mp3")
        assert station.name == "TestFM"
        assert station.url == "https://test.fm/stream.mp3"
        assert station.genre == ""
        assert station.country == "DE"
        assert station.description == ""

    def test_erstellung_mit_allen_feldern(self):
        """RadioStation akzeptiert alle optionalen Felder."""
        from plugins.music.sources.radio import RadioStation
        station = RadioStation(
            name="RockFM",
            url="https://rock.fm/live.mp3",
            genre="Rock",
            country="AT",
            description="Oesterreichisches Rockradio",
        )
        assert station.genre == "Rock"
        assert station.country == "AT"
        assert station.description == "Oesterreichisches Rockradio"

    def test_to_track_konvertierung(self):
        """to_track() erzeugt korrektes Track-Objekt."""
        from plugins.music.sources.radio import RadioStation
        station = RadioStation(
            name="JazzFM",
            url="https://jazz.fm/stream.mp3",
            genre="Jazz",
            country="DE",
            description="Jazz und Swing",
        )
        track = station.to_track()
        assert isinstance(track, Track)
        assert track.uri == "radio:JazzFM"
        assert track.source_type == "radio"
        assert track.source_id == "JazzFM"
        assert track.state == TrackState.AVAILABLE

    def test_to_track_metadaten(self):
        """to_track() setzt korrekte Metadaten-Felder."""
        from plugins.music.sources.radio import RadioStation
        station = RadioStation(
            name="KlassikFM",
            url="https://klassik.fm/stream.mp3",
            genre="Klassik",
        )
        track = station.to_track()
        assert track.metadata.title == "KlassikFM"
        assert track.metadata.artist == "Live Radio"
        assert track.metadata.genre == "Klassik"
        assert track.metadata.duration_ms == 0  # Live = keine Dauer

    def test_to_track_custom_felder(self):
        """to_track() setzt stream_url und country in custom."""
        from plugins.music.sources.radio import RadioStation
        station = RadioStation(name="Test", url="https://test.de/s.mp3", country="CH")
        track = station.to_track()
        assert track.metadata.custom["country"] == "CH"
        assert track.metadata.custom["stream_url"] == "https://test.de/s.mp3"

    def test_to_track_extra_felder(self):
        """to_track() setzt is_live, genre, country und description in extra."""
        from plugins.music.sources.radio import RadioStation
        station = RadioStation(
            name="TestFM", url="https://test.fm/s.mp3",
            genre="Pop", country="DE", description="Testbeschreibung",
        )
        track = station.to_track()
        assert track.extra["stream_url"] == "https://test.fm/s.mp3"
        assert track.extra["is_live"] is True
        assert track.extra["genre"] == "Pop"
        assert track.extra["country"] == "DE"
        assert track.extra["description"] == "Testbeschreibung"


# =============================================================================
# connect()-Tests
# =============================================================================

class TestRadioSourceConnect:
    """Tests fuer die connect()-Methode."""

    @pytest.mark.asyncio
    async def test_aiohttp_nicht_verfuegbar(self):
        """connect() gibt False zurueck wenn aiohttp nicht installiert."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", False):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource()
            result = await source.connect()
            assert result is False
            assert source.state == SourceState.UNAVAILABLE

    @pytest.mark.asyncio
    async def test_mit_favoriten(self):
        """connect() laedt Favoriten-Sender korrekt."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(
                favorites=[
                    _make_station_dict("FM1", "https://fm1.de/s.mp3", "Pop"),
                    _make_station_dict("FM2", "https://fm2.de/s.mp3", "Rock"),
                ],
                include_defaults=False,
            )
            result = await source.connect()
            assert result is True
            assert source.state == SourceState.AVAILABLE
            assert source.station_count == 2

    @pytest.mark.asyncio
    async def test_keine_favoriten_mit_defaults(self):
        """connect() laedt Standard-Sender wenn keine Favoriten."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(favorites=[], include_defaults=True)
            result = await source.connect()
            assert result is True
            assert source.station_count == 13  # 13 Standard-Sender

    @pytest.mark.asyncio
    async def test_keine_favoriten_ohne_defaults(self):
        """connect() gibt False zurueck ohne Sender."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(favorites=[], include_defaults=False)
            result = await source.connect()
            assert result is False
            assert source.state == SourceState.UNAVAILABLE

    @pytest.mark.asyncio
    async def test_ungueltige_favoriten_werden_uebersprungen(self):
        """connect() ueberspringt Favoriten ohne Name oder URL."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(
                favorites=[
                    {"name": "", "url": "https://no-name.de/s.mp3"},
                    {"name": "NoURL", "url": ""},
                    _make_station_dict("Gueltig", "https://ok.de/s.mp3"),
                ],
                include_defaults=False,
            )
            result = await source.connect()
            assert result is True
            assert source.station_count == 1

    @pytest.mark.asyncio
    async def test_connect_registriert_tracks(self):
        """connect() fuegt Tracks zum internen _tracks-Dict hinzu."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(
                favorites=[_make_station_dict("TestFM", "https://test.fm/s.mp3")],
                include_defaults=False,
            )
            await source.connect()
            assert source.track_count == 1


# =============================================================================
# disconnect()-Tests
# =============================================================================

class TestRadioSourceDisconnect:
    """Tests fuer die disconnect()-Methode."""

    @pytest.mark.asyncio
    async def test_disconnect_loescht_zustand(self, connected_radio):
        """disconnect() loescht Sender, Tracks und Metadaten."""
        source = connected_radio
        assert source.station_count > 0

        await source.disconnect()
        assert source.station_count == 0
        assert source.track_count == 0
        assert source.current_metadata == {}
        assert source.state == SourceState.UNAVAILABLE


# =============================================================================
# Properties-Tests
# =============================================================================

class TestRadioSourceProperties:
    """Tests fuer station_count, stations und current_metadata."""

    @pytest.mark.asyncio
    async def test_station_count(self, connected_radio):
        """station_count gibt korrekte Anzahl zurueck."""
        assert connected_radio.station_count == 3

    @pytest.mark.asyncio
    async def test_stations_defensive_kopie(self, connected_radio):
        """stations gibt eine Kopie zurueck (keine Referenz)."""
        source = connected_radio
        stations = source.stations
        original_count = len(stations)
        stations.append(MagicMock())  # Aendern der Kopie
        assert len(source.stations) == original_count

    @pytest.mark.asyncio
    async def test_current_metadata_initial_leer(self, connected_radio):
        """current_metadata ist initial leer."""
        assert connected_radio.current_metadata == {}

    @pytest.mark.asyncio
    async def test_current_metadata_defensive_kopie(self, connected_radio):
        """current_metadata gibt eine Kopie zurueck."""
        source = connected_radio
        source._current_metadata = {"artist": "Test", "title": "Song"}
        meta = source.current_metadata
        meta["extra"] = "Hack"
        assert "extra" not in source.current_metadata


# =============================================================================
# search()-Tests
# =============================================================================

class TestRadioSourceSearch:
    """Tests fuer die search()-Methode."""

    @pytest.mark.asyncio
    async def test_exakter_name_match(self, connected_radio):
        """search() gibt Score 100 bei exaktem Namens-Match."""
        results = await connected_radio.search("SWR3")
        assert len(results) >= 1
        assert results[0].metadata.title == "SWR3"

    @pytest.mark.asyncio
    async def test_name_enthaelt_query(self, connected_radio):
        """search() findet Sender wenn Name den Query enthaelt."""
        results = await connected_radio.search("LIVE")
        assert len(results) >= 1
        found_names = [r.metadata.title for r in results]
        assert "1LIVE" in found_names

    @pytest.mark.asyncio
    async def test_genre_match(self, connected_radio):
        """search() findet Sender ueber Genre-Match."""
        results = await connected_radio.search("Alternative")
        assert len(results) >= 1
        found_names = [r.metadata.title for r in results]
        assert "Fritz" in found_names

    @pytest.mark.asyncio
    async def test_beschreibung_match(self, connected_radio):
        """search() findet Sender ueber Beschreibung."""
        results = await connected_radio.search("Berliner")
        assert len(results) >= 1
        found_names = [r.metadata.title for r in results]
        assert "Fritz" in found_names

    @pytest.mark.asyncio
    async def test_wort_teilmatch(self, connected_radio):
        """search() findet Sender bei Wort-Teilmatch im Namen."""
        results = await connected_radio.search("SWR Live")
        # "SWR" passt auf SWR3 (Wort-Match)
        found_names = [r.metadata.title for r in results]
        assert "SWR3" in found_names

    @pytest.mark.asyncio
    async def test_kein_match(self, connected_radio):
        """search() gibt leere Liste bei keinem Treffer zurueck."""
        results = await connected_radio.search("XYZGibtEsNicht")
        assert results == []

    @pytest.mark.asyncio
    async def test_respektiert_limit(self, connected_radio):
        """search() begrenzt Ergebnisse auf limit."""
        # Alle drei Sender haben "Pop" im Genre oder enthalten Teilmatch
        results = await connected_radio.search("Pop", limit=1)
        assert len(results) <= 1

    @pytest.mark.asyncio
    async def test_case_insensitive(self, connected_radio):
        """search() ist gross-/kleinschreibungsunabhaengig."""
        results_upper = await connected_radio.search("SWR3")
        results_lower = await connected_radio.search("swr3")
        assert len(results_upper) == len(results_lower)
        assert results_upper[0].metadata.title == results_lower[0].metadata.title

    @pytest.mark.asyncio
    async def test_sortierung_nach_score(self, connected_radio):
        """search() sortiert Ergebnisse nach Score (hoechster zuerst)."""
        # "Fritz" — exakter Name-Match = 100
        # Wenn wir nach "Fritz" suchen, sollte Fritz zuerst kommen
        results = await connected_radio.search("Fritz")
        assert len(results) >= 1
        assert results[0].metadata.title == "Fritz"

    @pytest.mark.asyncio
    async def test_suche_nicht_verbunden(self):
        """search() gibt leere Liste zurueck wenn nicht verbunden."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(include_defaults=False)
            # Nicht verbunden (state = UNKNOWN)
            results = await source.search("SWR3")
            assert results == []

    @pytest.mark.asyncio
    async def test_score_prioritaet(self):
        """search() priorisiert exakten Name > Contains > Genre > Beschreibung."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(
                favorites=[
                    _make_station_dict("Jazz", "https://a.de/s.mp3", "Rock", description="Kein Jazz hier"),
                    _make_station_dict("RockJazz", "https://b.de/s.mp3", "Jazz"),
                    _make_station_dict("Pop", "https://c.de/s.mp3", "Pop", description="Jazz Abende"),
                ],
                include_defaults=False,
            )
            await source.connect()

            results = await source.search("Jazz")
            assert len(results) == 3
            # Exakt (Jazz) → Contains (RockJazz) → Genre (RockJazz hat Jazz-Genre) oder Beschreibung
            assert results[0].metadata.title == "Jazz"  # Score 100


# =============================================================================
# prepare_track()-Tests
# =============================================================================

class TestRadioSourcePrepareTrack:
    """Tests fuer die prepare_track()-Methode."""

    @pytest.mark.asyncio
    async def test_mit_stream_url(self, connected_radio):
        """prepare_track() gibt True zurueck wenn stream_url vorhanden."""
        track = Track(
            source_type="radio",
            source_id="TestFM",
            extra={"stream_url": "https://stream.testfm.de/live.mp3"},
        )
        result = await connected_radio.prepare_track(track)
        assert result is True
        assert track.state == TrackState.AVAILABLE

    @pytest.mark.asyncio
    async def test_ohne_stream_url(self, connected_radio):
        """prepare_track() gibt False zurueck ohne stream_url."""
        track = Track(
            source_type="radio",
            source_id="NoStream",
            extra={},
        )
        result = await connected_radio.prepare_track(track)
        assert result is False
        assert track.state == TrackState.ERROR
        assert "Keine Stream-URL" in track.error_message

    @pytest.mark.asyncio
    async def test_leere_stream_url(self, connected_radio):
        """prepare_track() gibt False zurueck bei leerer stream_url."""
        track = Track(
            source_type="radio",
            source_id="EmptyURL",
            extra={"stream_url": ""},
        )
        result = await connected_radio.prepare_track(track)
        assert result is False
        assert track.state == TrackState.ERROR


# =============================================================================
# _parse_icy_metadata()-Tests
# =============================================================================

class TestRadioSourceIcyMetadata:
    """Tests fuer die ICY-Metadaten-Verarbeitung."""

    @pytest.mark.asyncio
    async def test_artist_title_format(self, connected_radio):
        """_parse_icy_metadata() parst 'Artist - Title' korrekt."""
        track = Track(source_type="radio", extra={"station_name": "TestFM"})
        connected_radio._parse_icy_metadata(
            "StreamTitle='Die Toten Hosen - Tage wie diese';", track
        )
        meta = connected_radio.current_metadata
        assert meta["artist"] == "Die Toten Hosen"
        assert meta["title"] == "Tage wie diese"

    @pytest.mark.asyncio
    async def test_nur_titel(self, connected_radio):
        """_parse_icy_metadata() setzt nur title wenn kein Separator."""
        track = Track(source_type="radio", extra={})
        connected_radio._parse_icy_metadata(
            "StreamTitle='Nachrichten um 12';", track
        )
        meta = connected_radio.current_metadata
        assert meta["artist"] == ""
        assert meta["title"] == "Nachrichten um 12"

    @pytest.mark.asyncio
    async def test_leerer_streamtitle(self, connected_radio):
        """_parse_icy_metadata() ignoriert leeren StreamTitle."""
        connected_radio._current_metadata = {"artist": "Alt", "title": "Vorher"}
        track = Track(source_type="radio", extra={})
        connected_radio._parse_icy_metadata("StreamTitle='';", track)
        # Metadaten sollten nicht aktualisiert werden
        assert connected_radio.current_metadata["artist"] == "Alt"

    @pytest.mark.asyncio
    async def test_kein_streamtitle_match(self, connected_radio):
        """_parse_icy_metadata() macht nichts ohne StreamTitle-Pattern."""
        connected_radio._current_metadata = {"artist": "Orig", "title": "Song"}
        track = Track(source_type="radio", extra={})
        connected_radio._parse_icy_metadata("SomeOtherData=value;", track)
        assert connected_radio.current_metadata["artist"] == "Orig"

    @pytest.mark.asyncio
    async def test_metadaten_werden_aktualisiert(self, connected_radio):
        """current_metadata wird nach parse aktualisiert."""
        assert connected_radio.current_metadata == {}
        track = Track(source_type="radio", extra={})
        connected_radio._parse_icy_metadata(
            "StreamTitle='Rammstein - Du Hast';", track
        )
        meta = connected_radio.current_metadata
        assert meta["artist"] == "Rammstein"
        assert meta["title"] == "Du Hast"

    @pytest.mark.asyncio
    async def test_track_custom_felder_aktualisiert(self, connected_radio):
        """_parse_icy_metadata() aktualisiert Track-Metadaten custom-Felder."""
        track = Track(
            source_type="radio",
            metadata=TrackMetadata(title="TestFM", custom={}),
            extra={"station_name": "TestFM"},
        )
        connected_radio._parse_icy_metadata(
            "StreamTitle='Seeed - Dickes B';", track
        )
        assert track.metadata.custom["now_playing_artist"] == "Seeed"
        assert track.metadata.custom["now_playing_title"] == "Dickes B"


# =============================================================================
# check_stream()-Tests
# =============================================================================

class TestRadioSourceCheckStream:
    """Tests fuer die check_stream()-Methode."""

    @pytest.mark.asyncio
    async def test_stream_erreichbar(self, connected_radio):
        """check_stream() gibt True zurueck bei HTTP 200."""
        import plugins.music.sources.radio as radio_mod

        mock_resp = MagicMock()
        mock_resp.status = 200

        # session.head(url) muss ein async context manager sein
        mock_head_ctx = AsyncMock()
        mock_head_ctx.__aenter__.return_value = mock_resp
        mock_head_ctx.__aexit__.return_value = False

        mock_session = MagicMock()
        mock_session.head.return_value = mock_head_ctx

        # ClientSession() muss ein async context manager sein
        mock_session_ctx = AsyncMock()
        mock_session_ctx.__aenter__.return_value = mock_session
        mock_session_ctx.__aexit__.return_value = False

        mock_aiohttp = MagicMock()
        mock_aiohttp.ClientTimeout = MagicMock()
        mock_aiohttp.ClientSession.return_value = mock_session_ctx

        with patch.object(radio_mod, "aiohttp", mock_aiohttp):
            result = await connected_radio.check_stream("https://stream.test.de/live.mp3")
            assert result is True

    @pytest.mark.asyncio
    async def test_stream_nicht_erreichbar(self, connected_radio):
        """check_stream() gibt False zurueck bei Verbindungsfehler."""
        import plugins.music.sources.radio as radio_mod

        # ClientSession als async context manager, head() wirft Exception
        mock_session = MagicMock()
        mock_session.head.side_effect = Exception("Connection refused")

        mock_session_ctx = AsyncMock()
        mock_session_ctx.__aenter__.return_value = mock_session
        mock_session_ctx.__aexit__.return_value = False

        mock_aiohttp = MagicMock()
        mock_aiohttp.ClientTimeout = MagicMock()
        mock_aiohttp.ClientSession.return_value = mock_session_ctx

        with patch.object(radio_mod, "aiohttp", mock_aiohttp):
            result = await connected_radio.check_stream("https://down.test.de/s.mp3")
            assert result is False

    @pytest.mark.asyncio
    async def test_check_stream_aiohttp_fehlt(self):
        """check_stream() gibt False zurueck ohne aiohttp."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", False):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource()
            result = await source.check_stream("https://test.de/s.mp3")
            assert result is False


# =============================================================================
# get_info()-Tests
# =============================================================================

class TestRadioSourceGetInfo:
    """Tests fuer die get_info()-Methode."""

    @pytest.mark.asyncio
    async def test_get_info_felder(self, connected_radio):
        """get_info() gibt korrekte SourceInfo zurueck.

        Hinweis: radio.py nutzt self._source_type / self._name statt
        self.source_type / self.name — bekannter Bug. Wir setzen die
        privaten Attribute damit get_info() nicht abstuerzt.
        """
        # Workaround fuer Bug: _source_type / _name statt source_type / name
        connected_radio._source_type = connected_radio.source_type
        connected_radio._name = connected_radio.name

        info = connected_radio.get_info()
        assert isinstance(info, SourceInfo)
        assert info.name == "Radio"
        assert info.state == SourceState.AVAILABLE
        assert info.track_count == 3
        assert info.supports_search is True
        assert info.supports_streaming is True
        assert info.supports_artwork is False
        assert "station_count" in info.metadata
        assert info.metadata["station_count"] == 3

    @pytest.mark.asyncio
    async def test_get_info_sender_liste(self, connected_radio):
        """get_info() enthaelt Sender-Namen in metadata."""
        # Workaround fuer Bug: _source_type / _name statt source_type / name
        connected_radio._source_type = connected_radio.source_type
        connected_radio._name = connected_radio.name

        info = connected_radio.get_info()
        station_names = info.metadata["stations"]
        assert "SWR3" in station_names
        assert "1LIVE" in station_names
        assert "Fritz" in station_names


# =============================================================================
# scan()-Tests
# =============================================================================

class TestRadioSourceScan:
    """Tests fuer die scan()-Methode."""

    @pytest.mark.asyncio
    async def test_scan_gibt_sender_anzahl(self, connected_radio):
        """scan() gibt Anzahl der Sender zurueck."""
        result = await connected_radio.scan()
        assert result == 3


# =============================================================================
# get_track()-Tests
# =============================================================================

class TestRadioSourceGetTrack:
    """Tests fuer die get_track()-Methode."""

    @pytest.mark.asyncio
    async def test_track_nach_id(self, connected_radio):
        """get_track() findet registrierten Track nach ID."""
        # Tracks werden beim connect() registriert
        tracks = connected_radio.tracks
        assert len(tracks) > 0

        first_track = tracks[0]
        result = await connected_radio.get_track(first_track.id)
        assert result is not None
        assert result.id == first_track.id

    @pytest.mark.asyncio
    async def test_track_nicht_gefunden(self, connected_radio):
        """get_track() gibt None zurueck bei unbekannter ID."""
        result = await connected_radio.get_track("unbekannte_id_xyz")
        assert result is None


# =============================================================================
# _DEFAULT_STATIONS-Tests
# =============================================================================

class TestDefaultStations:
    """Tests fuer die vordefinierten Standard-Sender."""

    def test_anzahl_default_sender(self):
        """_DEFAULT_STATIONS enthaelt 13 Sender."""
        from plugins.music.sources.radio import _DEFAULT_STATIONS
        assert len(_DEFAULT_STATIONS) == 13

    def test_default_sender_haben_name_und_url(self):
        """Alle Standard-Sender haben name und url."""
        from plugins.music.sources.radio import _DEFAULT_STATIONS
        for station in _DEFAULT_STATIONS:
            assert "name" in station and station["name"], f"Sender ohne Name: {station}"
            assert "url" in station and station["url"], f"Sender ohne URL: {station}"

    def test_bekannte_sender_vorhanden(self):
        """Wichtige deutsche Sender sind in den Defaults enthalten."""
        from plugins.music.sources.radio import _DEFAULT_STATIONS
        namen = [s["name"] for s in _DEFAULT_STATIONS]
        assert "SWR3" in namen
        assert "1LIVE" in namen
        assert "Deutschlandfunk" in namen
        assert "Klassik Radio" in namen
        assert "FluxFM" in namen

    def test_default_sender_haben_genre(self):
        """Alle Standard-Sender haben ein Genre."""
        from plugins.music.sources.radio import _DEFAULT_STATIONS
        for station in _DEFAULT_STATIONS:
            assert "genre" in station and station["genre"], f"Sender ohne Genre: {station['name']}"


# =============================================================================
# Konstruktor-Tests
# =============================================================================

class TestRadioSourceKonstruktor:
    """Tests fuer den RadioSource-Konstruktor."""

    def test_standardwerte(self):
        """Konstruktor setzt korrekte Standardwerte."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource()
            assert source.source_type == SourceType.URL
            assert source.name == "Radio"
            assert source._buffer_size == 16384
            assert source._icy_metadata is True
            assert source._include_defaults is True

    def test_benutzerdefinierte_werte(self):
        """Konstruktor akzeptiert benutzerdefinierte Parameter."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource(
                name="MeinRadio",
                buffer_size=32768,
                icy_metadata=False,
                include_defaults=False,
            )
            assert source.name == "MeinRadio"
            assert source._buffer_size == 32768
            assert source._icy_metadata is False
            assert source._include_defaults is False

    def test_anfangszustand(self):
        """Anfangszustand ist UNKNOWN."""
        with patch("plugins.music.sources.radio._AIOHTTP_AVAILABLE", True):
            from plugins.music.sources.radio import RadioSource
            source = RadioSource()
            assert source.state == SourceState.UNKNOWN
            assert source.station_count == 0
            assert source.current_metadata == {}