"""
This module defines form classes for website editing.

"""
from __future__ import absolute_import, unicode_literals

from django import forms
from django.urls import reverse
from django.utils.translation import ugettext as _

from crispy_forms.bootstrap import AppendedText
from crispy_forms.helper import FormHelper
from crispy_forms.layout import (
    Layout,
    Submit,
)

from domains.forms import relative_domain_validator
from .models import Website


class AddWebsiteForm(forms.ModelForm):
    """
    This form is used to create new Website instances.

    """
    class Meta:
        model = Website
        fields = ['subdomain', 'wildcard']

    def __init__(self, *args, **kwargs):
        self.hosting_package = kwargs.pop('hostingpackage')
        self.hosting_domain = kwargs.pop('domain')
        super(AddWebsiteForm, self).__init__(*args, **kwargs)
        self.fields['subdomain'].validators.append(relative_domain_validator)
        if Website.objects.filter(
            wildcard=True, domain=self.hosting_domain
        ).exists():
            self.fields['wildcard'].widget = forms.HiddenInput()

        self.helper = FormHelper()
        self.helper.form_action = reverse(
            'add_website', kwargs={
                'package': self.hosting_package.id,
                'domain': self.hosting_domain.domain,
            }
        )
        self.helper.layout = Layout(
            AppendedText('subdomain', '.' + self.hosting_domain.domain),
            'wildcard',
            Submit('submit', _('Add website')),
        )

    def clean_subdomain(self):
        data = self.cleaned_data['subdomain']
        if Website.objects.filter(
            domain=self.hosting_domain, subdomain=data
        ).exists():
            raise forms.ValidationError(
                _('There is already a website for this subdomain'))
        relative_domain_validator(
            "{0}.{1}".format(data, self.hosting_domain.domain))
        return data

    def save(self, commit=True):
        self.instance.domain = self.hosting_domain
        self.instance.osuser = self.hosting_package.osuser
        return super(AddWebsiteForm, self).save(commit)