#!/usr/bin/python3
#-*- encoding: Utf-8 -*-
from os.path import dirname, realpath
from argparse import ArgumentParser
from json import dumps

UTILS_DIR = realpath(dirname(__file__))

ROOT_DIR = realpath(UTILS_DIR + '/..')
FINGERPRINTING_DIR = realpath(ROOT_DIR + '/fingerprinting')

import sys
sys.path.append(FINGERPRINTING_DIR)

from communication import recognize_song_from_signature
from signature_format import DecodedMessage

"""
    Sample usage: ./fingerprint_to_recognized_song.py 'data:audio/vnd.shazam.sig;base64,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'
"""


if __name__ == '__main__':
    
    args = ArgumentParser(description = 'Take a data-URI Shazam fingerprint, ' +
        "perform song recognition towards Shazam's servers and print obtained " +
        'information to the standard output')
    
    args.add_argument('fingerprint', help = 'The data-URI Shazam fingerprint ' +
        'to recognize.')
    
    args = args.parse_args()
    
    message = DecodedMessage.decode_from_uri(args.fingerprint)
    
    print(dumps(recognize_song_from_signature(message), indent = 4, ensure_ascii = False))