from sys import argv

usage = """
Usage:

add_lastfm_user
    recents
    discography of artists over x plays
    recommendations?
    
add_playlist <playlist_id>
    spotify
    tidal
    lastfm?
    last fm likes?
    spotify likes
    tidal likes?

update existing data from mb
auto import/data gather of downlads from bandcamp
"""

def sync():
    pass

def add_lastfm_user(username):
    pass

def add_playlist(playlist_id):
    pass

if __name__ == "__main__":
    if len(argv) == 1:
        print(usage)
        exit()
        
    if argv[1] == "sync":
        sync()

    elif argv[1] == "add_lastfm_user":
        if len(argv) < 3:
            print("Please provide a lastfm username")
            exit()
            
        username = argv[2]
        add_lastfm_user(username)

    elif argv[1] == "add_playlist":
        if len(argv) < 3:
            print("Please provide a playlist id")
            exit()

        playlist_id = argv[2]
        add_playlist(playlist_id)

    else:
        print(f"Invalid argument '{argv[1]}'")