from signal_additional_func import fill_missing_languages, fill_meta_information
import random, string
from functions.form_check import translit_with_separator


def pre_save_handler(sender, **kwargs):
    obj = kwargs['instance']
    url = getattr(obj, 'url')

    if url:
        return

    if hasattr(obj, 'language_code') and obj.language_code =='en':
        try:
            name = getattr(obj, 'name')
            obj.url = translit_with_separator(name)
        except AttributeError:
            pass


    if not obj.url:
        obj.url = ''.join([random.choice(string.ascii_lowercase) for n in xrange(8)])


def post_save_handler(sender, **kwargs):
    """
    receiver function
    take object
    fill missing languages
    fill settings if its exist for this object

    """
    obj = kwargs['instance']
    fill_missing_languages(obj)
    fill_meta_information(obj)

'''
def post_save_translation_handler(sender, **kwargs):
    """
    receiver function
    take object and change url
    """
    obj = kwargs['instance']
    if obj.language_code == 'ru':
        obj.master.url = translit_with_separator(obj.name)
        obj.master.save()
'''