# from haystack.forms import FacetedSearchForm


# class FacetedProductSearchForm(FacetedSearchForm):
#     def __init__(self, *args, **kwargs):
#         data = dict(kwargs.get("data", []))
#         self.categories = data.get('category', [])
#         self.producers = data.get('producer', [])
#         super(FacetedProductSearchForm, self).__init__(*args, **kwargs)
#
#     def search(self):
#         sqs = super(FacetedProductSearchForm, self).search()
#         if self.categories:
#             query = None
#             for category in self.categories:
#                 if query:
#                     query += u' OR '
#                 else:
#                     query = u''
#                 query += u'"%s"' % sqs.query.clean(category)
#             sqs = sqs.narrow(u'category_exact:%s' % query)
#         if self.producers:
#             query = None
#             for producer in self.producers:
#                 if query:
#                     query += u' OR '
#                 else:
#                     query = u''
#                 query += u'"%s"' % sqs.query.clean(producer)
#             sqs = sqs.narrow(u'brand_exact:%s' % query)
#         return sqs
from crispy_forms.layout import Layout, Field, Button
from django import forms
from crispy_forms.helper import FormHelper
from django.forms import formset_factory
from django.urls import reverse_lazy
from django.utils.translation import ugettext_lazy as _

from .models import Product, ProductAttribute


class ProductFilterForm(forms.Form):
    def __init__(self, *args,**kwargs):
        super().__init__(*args,**kwargs)


class ProductSearchForm(forms.ModelForm):
    field_template = 'bootstrap/forms/product_search.html'
    form_action = reverse_lazy('products:product_list')
    submit_css_class = None

    def __init__(self, *args, **kwargs):
        self.submit_css_class = kwargs.pop('submit_css_class')

        self.helper = FormHelper()
        self.helper.form_action = self.form_action
        self.helper.form_method = 'get'
        self.helper.layout = Layout(
            Field('name', template=self.field_template, placeholder="Поиск программы..."),
            Button(_('search'),value="search", css_class=self.submit_css_class, template=self.field_template)
        )
        super().__init__(*args, **kwargs)

    class Meta:
        model = Product
        fields = ['name']

inline_product_filter_formset = formset_factory(ProductFilterForm,extra=ProductAttribute.objects.all(),can_order=True,can_delete=False)