#!/usr/bin/python

from web.library.models import *
from gdata.books.service import BookService
from xml.dom import minidom
import re

exit_commands = ['exit', 'abort', 'quit', 'bye', 'eat flaming death', 'q']

def get_book_loop():
	service = BookService(source='Programvareverkstedet - Worblehat - 0.1a ')
	while True:
		input = raw_input('Enter ISBN number> ')
		if input in exit_commands:
			break
		feed = service.search_by_keyword('isbn='+input)
		if len(feed.entry) == 0:
			print "No items found"
		elif len(feed.entry) == 1:
			print "Found one item: "+feed.entry[0].dc_title[0].text
			b = build_book(feed.entry[0], input)
		else:
			print "Found several items, OWNOES!"

def build_book(entry, input=False):
	dic = entry.to_dict()
	print dic
#	print entry
	b = Book(title=entry.dc_title[0].text)
	if len(entry.dc_title) > 0:
		b.subtitle = ''.join(map(lambda x: x.text, entry.dc_title[1:]))
	isbn = find_isbn(dic['identifiers'])
	if isbn:
		b.isbn = isbn
	elif input:
		if len(input) == 13:
			b.isbn = input
	else:
		print "No ISBN found"
		return False
#	if 'description' in dic:
#		b.description = dic['description']
	b.description = find_description(entry)
	if 'date' in dic:
		b.published_year = int(dic['date'][:4])
	if 'publishers' in dic:
		b.publisher = ','.join(dic['publishers'])
	b.num_pages = find_page_number(dic)
	b.full_print()

def find_description(entry):
	if entry.description:
		d = minidom.parseString(str(entry.description))
		print d.childNodes[0].childNodes[0].data
		return ""
	else:
		return ""

def find_page_number(dic):
	if 'format' in dic:
		for item in dic['format']:
			if 'pages' in item:
				return int(re.findall(r'[0-9]+',item)[0])
		return None
	else:
		return None

def find_isbn(identifiers):
	for pair in identifiers:
		if pair[0] =='ISBN' and len(pair[1])==13:
			return pair[1]
	return False
			

get_book_loop()