import os
os.environ['DJANGO_SETTINGS_MODULE']='web.settings'
from web.library.models import *
from django.db.models import Q
from util import *

def search_person(search_strings, search_description=False):
	basic_query=Person.objects.select_related('books__book__alt_titles')
	for word in search_strings:
		basic_query=basic_query.filter(Q(first_name__icontains=word) |
		                               Q(last_name__icontains=word) |
					       Q(id__icontains=word) |
					       Q(books__book__isbn__icontains=word) |
					       Q(books__book__title__icontains=word) |
					       Q(books__book__alt_titles__alt_title=word) |
					       Q(books__book__id__id__icontains=word))
	return remove_duplicates(basic_query.all())

def search_book(search_strings, search_description=False):
	basic_query = Book.objects.select_related('persons__person','id','alt_titles')
	for word in search_strings:
		basic_query=basic_query.filter(Q(title__icontains=word) |
		                               Q(subtitle__icontains=word) |
					       Q(alt_titles__alt_title__icontains=word) |
					       Q(id__id__icontains=word) |
					       Q(persons__person__first_name__icontains=word) |
					       Q(persons__person__last_name__icontains=word))
	return remove_duplicates(basic_query.all())

def remove_duplicates(list):
	d = {}
	for i in list:
		d[i]=None
	return d.keys()