#!/usr/bin/python3
import spotipy
from spotipy.oauth2 import SpotifyOAuth
import json
import sys
import datetime
scope = "user-library-read playlist-modify-public"
sp = spotipy.Spotify(auth_manager=SpotifyOAuth(scope=scope, client_id="1034e542fa064c27859b61a6ec5f864e", client_secret="2503172e78ce4d5e9146047db0a39077", redirect_uri="http://b.4a.si:25425/"))
playlist = "0ASvlSEvlQu5nyFwUZqf9n"
results = {"items": [None]}
offset = 0
publicized_uris = []
while len(results["items"]) != 0:
	results = sp.playlist_items(playlist, None, 100, offset)
	for idx, item in enumerate(results["items"]):
		publicized_uris.append(item["track"]["uri"])
	offset += 100
results = {"items": [None]}
offset = 0
saved_items = []
to_add = []
while len(results["items"]) != 0:
	results = sp.current_user_saved_tracks(50, offset)
	for idx, item in enumerate(results['items']):
		saved_items.append(item)
		if item["track"]["uri"] not in publicized_uris:
			to_add.append(item["track"]["uri"])
		else:
			publicized_uris.remove(item["track"]["uri"])
	offset += 50
to_add.reverse()
if len(to_add) != 0:
	for batch in [to_add[i:i+50] for i in range(0, len(to_add), 50)]:
		sp.playlist_add_items(playlist, batch)
if len(publicized_uris) != 0:
	sp.playlist_remove_all_occurrences_of_items(playlist, publicized_uris)
todaystring = datetime.datetime.now().isoformat().replace("T", " ").split(".")[0]
sp.playlist_change_details(playlist, name="public mirror of my liked songs.", public=True, collaborative=False, description=f"updated {todaystring} automatically daily using http://4a.si/spotsync ... order is correct, new songs get added counterintuitively at the bottom")
print(json.dumps(saved_items))