from lyra_worker._mbbrowser import MusicBrainzBrowser
from lyra_worker._musicbrainz import MusicBrainzResolver
from lyra_worker._mutagen import MutagenTagger
from lyra_worker.adapters._slskd import SlskdClient
from lyra_worker.adapters._streamrip import StreamripClient
from lyra_worker.adapters._ytdlp import YtDlpClient
from lyra_worker.adapters.base import SourceAdapter
from lyra_worker.adapters.qobuz import QobuzAdapter
from lyra_worker.adapters.soulseek import SoulseekAdapter
from lyra_worker.adapters.youtube import YouTubeAdapter
from lyra_worker.browser import MbBrowser
from lyra_worker.resolver import MbResolver
from lyra_worker.tagger import Tagger


def build_adapters(config: dict) -> list[SourceAdapter]:
    """Real source adapters, best-tier first, filtered to those that are configured.

    An adapter is included only if its health() is true (Qobuz needs credentials,
    Soulseek needs an slskd URL + API key). YouTube needs no config.
    """
    candidates: list[SourceAdapter] = [
        QobuzAdapter(StreamripClient(config)),
        SoulseekAdapter(SlskdClient(config)),
        YouTubeAdapter(YtDlpClient()),
    ]
    return [a for a in candidates if a.health()]


def build_resolver() -> MbResolver:
    """The MusicBrainz resolver used to canonicalize requests in intake."""
    return MusicBrainzResolver()


def build_tagger() -> Tagger:
    """The tagger that writes canonical metadata onto downloaded files."""
    return MutagenTagger()


def build_browser() -> MbBrowser:
    """The MusicBrainz browser used by the background monitor."""
    return MusicBrainzBrowser()