# -*- coding: utf-8 -*-
from django import forms
from django.conf import settings
from functions.translate import fill_with_signal
from models import Gallery, Photo
from django.utils.translation import ugettext as _


class GalleryForm(forms.Form):
    def __init__(self, *args, **kwargs):
        """
        create dynamical translated fields fields
        """
        super(GalleryForm, self).__init__(*args, **kwargs)
        #creates translated forms example: name_ru, name_en
        # len(10) is a hack for detect if settings.LANGUAGES is not configured it return all langs
        if len(settings.LANGUAGES) in range(10):
            for lid, (code, name) in enumerate(settings.LANGUAGES):
                # uses enumerate for detect iteration number
                # first iteration is a default lang so it required fields
                required = True if lid == 0 else False
                self.fields['title_%s' % code] = forms.CharField(label=_(u'Заголовок'), required=required)
                self.fields['description_%s' % code] = forms.CharField(label=_(u'Описание'), required=False)

    def save(self, obj=None):
        data = self.cleaned_data
        #create new Gallery object or get exists
        if not obj:
            gallery = Gallery()
        else:
            gallery = obj

        fill_with_signal(Gallery, gallery, data)
        return gallery


class PhotoForm(forms.Form):
    image = forms.ImageField(label=_(u'Изображение'), required=False)
    sort = forms.IntegerField(label=_(u'Позиция'), initial=10, required=False)

    def __init__(self, *args, **kwargs):
        """
        create dynamical translated fields fields
        """
        super(PhotoForm, self).__init__(*args, **kwargs)
        #creates translated forms example: name_ru, name_en
        # len(10) is a hack for detect if settings.LANGUAGES is not configured it return all langs
        if len(settings.LANGUAGES) in range(10):
            for lid, (code, name) in enumerate(settings.LANGUAGES):
                # uses enumerate for detect iteration number
                # first iteration is a default lang so it required fields
                required = True if lid == 0 else False
                self.fields['title_%s' % code] = forms.CharField(label=_(u'Описание'), required=False)
                self.fields['caption_%s' % code] = forms.CharField(label=_(u'Заголовок'), required=required)

    def save(self, obj=None):
        data = self.cleaned_data
        #create new Photo object or get exists
        if not obj:
            photo = Photo()
            photo.image = data['image']
        else:
            photo = obj
            photo.image = obj.image
        if data.get('sort'):
            photo.sort = data['sort']

        fill_with_signal(Photo, photo, data)
        photo.save()
        return photo


class GalleryPhotoForm(PhotoForm):
    def save(self, obj=None, gallery=None):
        photo = super(GalleryPhotoForm, self).save(obj)
        gallery.add(photo)