import json
from typing import List

class LastFm:
    def __init__(self, credentials_file):
        with open(credentials_file, 'r') as f:
            credentials = json.loads(f.read())

            self.lastfm = pylast.LastFMNetwork(
                api_key=credentials['api_kay'],
                api_secret=credentials['api_secret']
            )

    def get_recent_plays(self, username):
        self.lastfm.get_user(username).get_recent_tracks(limit=200)

    def get_top_artists(self, username: str, min_scrobbles: int) -> List[pylast.TopItem]:
        artists = []
        page = 0
        
        while True:
            artists_page = self.lastfm.get_user(username).get_top_artists()

            for artist in artists_page:
                if (artist.weight > min_scrobbles):
                    artists.append(artist)
                else:
                    break