def match_args():
    if const.args.song:
        for track in const.args.song:
            track_dl = downloader.Downloader(raw_song=track)
            track_dl.download_single()
    elif const.args.list:
        if const.args.write_m3u:
            youtube_tools.generate_m3u(
                track_file=const.args.list
            )
        else:
            list_dl = downloader.ListDownloader(
                tracks_file=const.args.list,
                skip_file=const.args.skip,
                write_successful_file=const.args.write_successful,
            )
            list_dl.download_list()
    elif const.args.playlist:
        spotify_tools.write_playlist(
            playlist_url=const.args.playlist, text_file=const.args.write_to
        )
    elif const.args.album:
        spotify_tools.write_album(
            album_url=const.args.album, text_file=const.args.write_to
        )
    elif const.args.all_albums:
        spotify_tools.write_all_albums_from_artist(
            artist_url=const.args.all_albums, text_file=const.args.write_to
        )
    elif const.args.username:
        spotify_tools.write_user_playlist(
            username=const.args.username, text_file=const.args.write_to
        )


def main():
    const.args = handle.get_arguments()

    internals.filter_path(const.args.folder)
    youtube_tools.set_api_key()

    logzero.setup_default_logger(formatter=const._formatter, level=const.args.log_level)

    try:
        match_args()
        # actually we don't necessarily need this, but yeah...
        # explicit is better than implicit!
        sys.exit(0)

    except KeyboardInterrupt as e:
        # log.exception(e)
        sys.exit(3)


if __name__ == "__main__":
    main()