"""Taste-profile compression: raw listening data to a prompt-sized summary."""

from app.domain.models import TasteProfile


def compress_taste_profile(profile: TasteProfile, artist_limit: int = 15) -> str:
    """Render a profile as compact prompt text, bounded in size."""
    return (
        f"Top artists (long term): {', '.join(profile.top_artists_long_term[:artist_limit])}. "
        f"Top artists (recent): {', '.join(profile.top_artists_short_term[:artist_limit])}. "
        f"Recent favourite tracks: {', '.join(profile.top_tracks_short_term[:artist_limit])}."
    )