from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, HTML, Field, Submit, Hidden

from django import forms
from django.conf import settings
from django.urls import reverse_lazy
from django.utils.translation import ugettext_lazy as _

from .mixins import RequestNotifiable
from .models import (
    Request, STATUS_NEW
)

# -------------------------------- Client-side forms -----------------------------------#


class ContactUsForm(RequestNotifiable, forms.ModelForm):

    field_template = 'bootstrap/forms/contact_us.html'

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

        self.helper = FormHelper()
        self.helper.form_action = reverse_lazy('contact_us:send')
        self.helper.form_method = 'post'
        self.helper.layout = Layout(
            Hidden('next', reverse_lazy(self.next)),
            Field('name', css_class="left-menu__text", placeholder=_("Имя"), template=self.field_template),
            Field('email', css_class="left-menu__text", placeholder=_("Email"), template=self.field_template),
            Field('subject', css_class="left-menu__text", placeholder=_("Название продукта"), template=self.field_template),
            Field('phone', css_class="left-menu__text", placeholder=_("+79781234567"), template=self.field_template),
            Submit('send', _("Отправить"), css_class="left-menu__btn")
        )
        super(ContactUsForm, self).__init__(*args, **kwargs)
        self.init_fields(self.fields)

    def init_fields(self, fields):
        for field_name in fields:
            if field_name != "phone":
                fields[field_name].required = True

    def is_valid(self):
        return super().is_valid()

    def save(self, commit=True):
        self.instance.status = STATUS_NEW
        return super().save(commit)

    def send_email(self, request):
        context = {
            'from_email': settings.DEFAULT_FROM_EMAIL,
            'recipients': (settings.DEFAULT_FROM_EMAIL,),
            'email': {
                'name': self.instance.name,
                'email': self.instance.email,
                'subject': self.instance.subject,
                'phone': self.instance.phone or None,
            },
            'send_at_date': self.instance.create_at,

        }
        self.send_request_notification(
            context,
        )


    class Meta:
        model = Request
        fields = ('name', 'email', 'subject', 'phone',)