import spotipy
from spotipy.oauth2 import SpotifyOAuth
import json
import requests

"""
User functions
"""
def authentify(client_id,client_secret,scope):
    api = spotipy.Spotify(auth_manager=SpotifyOAuth(client_id="1ad3f973e5924940bec0bcbf1adf7475",client_secret="e0601efe11ee4e31b27b255c06d70a38",redirect_uri="http://127.0.0.1:8888",scope=scope))
    return api

def get_user_id(api):
    return api.current_user()['id']

"""
Tracks functions
"""
def get_original_release_year(api, track_id):
    response = api.track(track_id)
    title = response['artists'][0]['name']
    artist = ['name']
    url = "https://musicbrainz.org/ws/2/recording/"
    params = {
        "query": f"{title} AND artist:{artist}",
        "fmt": "json"
    }
    response = requests.get(url, params=params)
    data = response.json()

    # Traitement de la première date de sortie si disponible
    if data['recordings']:
        release_date = data['recordings'][0]['first-release-date']
        return release_date[:4]  # Renvoie uniquement l'année
    return None

# Max 100 tracks
def get_tracks_bpm(api,tracks):
    response = api.audio_features(tracks)
    tempos = ['{:.1f}'.format(track["tempo"]) for track in response]
    return tempos

"""
Playlists functions
"""
def get_playlist_data(api, playlist_id):
    response = api.playlist_tracks(playlist_id)

def get_playlist_tracks_with_metadata(api, playlist_id):
    results = api.playlist_tracks(playlist_id)
    tracks = results['items']

    for idx, item in enumerate(tracks):
        track = item['track']
        track_name = track['name']
        artist_name = track['artists'][0]['name']
        album_id = track['album']['id']
        
        # Récupération de l'année de sortie via l'album
        album_info = api.album(album_id)
        release_year = album_info['release_date'][:4]

        # Récupération du BPM via les caractéristiques audio
        track_features = api.audio_analysis(track['id'])[0]
        bpm = track_features['tempo']

        # Affichage des informations
        print(f"{idx + 1}: {track_name} by {artist_name} | Year: {release_year} | BPM: {bpm}")

def get_playlist_id(api, nom):
    playlists = []
    results = api.current_user_playlists()
    playlists.extend(results['items'])

    # Pagination pour récupérer toutes les playlists si l'utilisateur en a plus de 50
    while results['next']:
        results = api.next(results)
        playlists.extend(results['items'])
    
    # Recherche de la playlist par nom
    for playlist in playlists:
        if playlist['name'] == nom:
            return playlist['id']
    print(f"Playlist '{nom}' non trouvée.")
    return None