# -*- coding: utf-8 -*-
from django import forms
from django.conf import settings
from models import MetaSetting
from functions.translate import fill_with_signal
from functions.admin_forms import AdminFilterForm


class MetaForm(forms.Form):
    name = forms.CharField(label=u'Название страницы')

    def __init__(self, *args, **kwargs):
        """
        create dynamical translated fields fields
        """
        super(MetaForm, 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'Title', required=required,
                                                                widget=forms.TextInput(attrs={'style':'width: 550px'}))
                self.fields['description_%s' % code] = forms.CharField(label=u'Description', required=required,
                                                                       widget=forms.TextInput(attrs={'style':'width: 550px'}))
                self.fields['keywords_%s' % code] = forms.CharField(label=u'Keywords', required=False,
                                                                       widget=forms.TextInput(attrs={'style':'width: 550px'}))
                self.fields['h1_%s' % code] = forms.CharField(label=u'H1', required=False,
                                                                       widget=forms.TextInput(attrs={'style':'width: 550px'}))

    def save(self, obj=None):
        data = self.cleaned_data
        if not obj:
            meta = MetaSetting()
        else:
            meta = obj

        meta.name = data['name']


        # fill translated fields and save object
        fill_with_signal(MetaSetting, meta, data)
        meta.save()

class MetaFilterForm(AdminFilterForm):
    model = MetaSetting