# -*- coding: utf-8 -*-
from django.db import models
from django.utils import translation
from django.db.models.signals import post_save
from django.utils.translation import ugettext_lazy as _
from hvad.models import TranslatableModel, TranslatedFields, TranslationManager
from pymorphy.django_conf import default_morph as morph
from functions.signal_handlers import post_save_handler

class MetaSetting(TranslatableModel):
    name = models.CharField(max_length=100, unique=True)
    translations = TranslatedFields(
        title = models.CharField(max_length=255, blank=True),
        description = models.CharField(max_length=255, blank=True),
        keywords = models.CharField(max_length=255, blank=True),
        h1 = models.CharField(max_length=255, blank=True),
    )

    object_params = {'EXPONAME':{'name': 'name'},
              'EXPONAME_YA':{'name': 'name', 'inflect': True},
              'EXPOCOUNTRY':{'name': 'country'},
              'EXPOCOUNTRY_YA':{'name': 'country', 'inflect': True},
              'EXPOPLACE':{'name': 'place'},
              'EXPOCITY':{'name': 'city'},
              'EXPOTHEME':{'name': 'theme'},
              'EXPOTAG':{'name': 'tag'},
              'EXPOMONTH':{'name': 'month'},
              'EXPOYEAR':{'name': 'year'},
              }
    params = {}
    monthes = {'jan': _(u'январе'), 'feb': _(u'феврале'), 'mar': _(u'марте'), 'apr': _(u'апреле'),
               'may': _(u'мае'), 'jun': _(u'июне'), u'jul': _(u'июле'), 'aug': _(u'августе'),
               'sep': _(u'сентябре'), 'oct': _(u'октябре'), 'nov': _(u'ноябре'), 'dec': _(u'декабре'),}
    def __unicode__(self):
        return self.name

    def generate_meta(self, params, obj=None):
        """
        obj must be in current language
        """

        lang = translation.get_language()
        if obj:
            params.update({'EXPONAME': getattr(obj, 'name', '')})

        if params.get('month'):
            month = params['month']
            params['month'] = self.monthes[month]

        tr = self.translations.get(language_code=lang)
        title = tr.title.format(**params)
        description = tr.description.format(**params)
        keywords = []#tr.keywords.format(**params)
        h1 = tr.h1.format(**params)

        return {'title': title, 'description': description, 'keywords': keywords, 'h1': h1}

    def get_param(self, obj, field):
        param = self.params.get(field)
        if not param:
            return ''
        s = getattr(obj, param['name'], '')
        if param.get('inflected'):
            s = morph.inflect_ru(s, u'пр')
        return s


    def get_title(self):
        title = self.title
        return title

    def get_h1(self):
        h1 = self.h1
        return h1

    def get_description(self):
        description = self.description
        return description

    def get_keywords(self):
        keywords = self.keywords
        return []


post_save.connect(post_save_handler, sender=MetaSetting)