"""Tests für die Playlist-Generierung."""

from pathlib import Path

from musiksammlung.models import Album, Disc, Track
from musiksammlung.playlist import generate_playlist


def test_generate_playlist_single_disc(tmp_path: Path):
    """Erzeugt eine M3U-Playlist für ein Single-CD-Album."""
    album = Album(
        artist="Artist",
        album="TestAlbum",
        year=2000,
        discs=[
            Disc(
                disc_number=1,
                tracks=[
                    Track(track_number=1, title="Song Eins"),
                    Track(track_number=2, title="Song Zwei"),
                ],
            )
        ],
    )

    # Dummy-Audiodateien anlegen
    (tmp_path / "01 Song Eins.flac").touch()
    (tmp_path / "02 Song Zwei.flac").touch()

    playlist_path = generate_playlist(album, tmp_path)
    assert playlist_path.exists()
    content = playlist_path.read_text()
    assert "#EXTM3U" in content
    assert "01 Song Eins.flac" in content
    assert "02 Song Zwei.flac" in content
    # Kein CD-Prefix bei Single-Disc
    assert "CD1/" not in content