from ox.cache import read_url
from ox.utils import json

def find(query):
    url = 'http://openlibrary.org/search.json?q=%s' % query
    print url
    data = json.loads(read_url(url))
    return data

def authors_ol(authors):
    r = []
    for a in authors:
        url = 'http://openlibrary.org%s.json' % a
        data = json.loads(read_url(url))
        r.append(data['name'])
    return r

def get_data(isbn):
    data = {}
    ol = find(isbn)
    if ol['docs']:
        d = ol['docs'][0]
        data['title'] = d['title']
        data['author'] = authors_ol(d['authors'])
        data['work'] = d['key']
        data['edition'] =  d['edition_key'][0]
        url = 'https://openlibrary.org/books/%s.json' % data['edition']
        info = json.load(read_url(url))
        data['pages'] = info['number_of_pages']
        if 'dewey_decimal_class' in info: 
            data['classification'] = info['dewey_decimal_class'][0]
    return data