import spotipy
from spotipy.oauth2 import SpotifyOAuth

def spotify_client():
    return spotipy.Spotify(auth_manager=SpotifyOAuth(
        scope="user-library-read playlist-read-private playlist-read-collaborative"
    ))

def get_playlists(sp):
    return sp.current_user_playlists(limit=50)["items"]

def get_playlist_tracks(sp, playlist_id):
    tracks = []
    results = sp.playlist_items(playlist_id, additional_types=["track"])
    while results:
        for item in results["items"]:
            if item["track"]:
                tracks.append(item["track"])
        results = sp.next(results) if results["next"] else None
    return tracks


def get_liked_tracks(sp):
    tracks = []
    results = sp.current_user_saved_tracks(limit=50)

    while results:
        for item in results["items"]:
            if item["track"]:
                tracks.append(item["track"])
        results = sp.next(results) if results["next"] else None

    return tracks