import requests
import argparse
import sys
import json

# LOCAL FUNCTIONS

def encode_artist_name(value):
    return value.replace(' ', '+')

# ARGUMENT

parser = argparse.ArgumentParser(description='Python wrapper to get musical tags of an artist using MusicBrainz as a database')
parser.add_argument('artists', type=str, nargs='+', help='Artists name')
args = parser.parse_args()



# MAIN CODE

for artist in args.artists:
    try:
        response = requests.get("https://musicbrainz.org/ws/2/artist/?query={}&fmt=json".format(encode_artist_name(artist)))
        artist_data = json.loads(response.text)['artists'][0]
        if 'tags' in artist_data.keys():
            tags = artist_data['tags']
            if tags == []:
                print("Nobody has tagged {} yet".format(artist))
            else:
                print(artist + ": " + ', '.join([tag['name'] for tag in tags]))
        else:
            print("Nobody has tagged {} yet".format(artist))
    except:
        print(sys.exc_info()[0])
        raise