"""
This module defines views related to hosting packages.

"""
from __future__ import absolute_import, unicode_literals

from django.conf import settings
from django.shortcuts import redirect, get_object_or_404
from django.utils.translation import ugettext as _
from django.views.generic import (
    DetailView,
    ListView,
)
from django.views.generic.edit import CreateView
from django.contrib import messages
from django.contrib.auth import get_user_model

from braces.views import (
    LoginRequiredMixin,
    StaffuserRequiredMixin,
)

from gvacommon.viewmixins import StaffOrSelfLoginRequiredMixin

from .forms import (
    CreateCustomerHostingPackageForm,
    CreateHostingPackageForm,
)
from .models import CustomerHostingPackage


class CreateHostingPackage(
    LoginRequiredMixin, StaffuserRequiredMixin, CreateView
):
    """
    Create a hosting package.

    """
    model = CustomerHostingPackage
    raise_exception = True
    template_name_suffix = '_create'
    form_class = CreateHostingPackageForm

    def form_valid(self, form):
        hostingpackage = form.save()
        messages.success(
            self.request,
            _('Started setup of new hosting package {name}.').format(
                name=hostingpackage.name)
        )
        return redirect(hostingpackage)


class CreateCustomerHostingPackage(CreateHostingPackage):
    """
    Create a hosting package for a selected customer.

    """
    form_class = CreateCustomerHostingPackageForm

    def get_form_kwargs(self):
        kwargs = super(CreateCustomerHostingPackage, self).get_form_kwargs()
        kwargs.update(self.kwargs)
        return kwargs

    def get_customer_object(self):
        return get_object_or_404(
            get_user_model(), username=self.kwargs['user'])

    def get_context_data(self, **kwargs):
        context = super(CreateCustomerHostingPackage, self).get_context_data(**kwargs)
        context['customer'] = self.get_customer_object()
        return context

    def form_valid(self, form):
        hostingpackage = form.save(commit=False)
        hostingpackage.customer = self.get_customer_object()
        hostingpackage.save()
        messages.success(
            self.request,
            _('Started setup of new hosting package {name}.').format(
                name=hostingpackage.name)
        )
        return redirect(hostingpackage)


class CustomerHostingPackageDetails(StaffOrSelfLoginRequiredMixin, DetailView):
    """
    This view is for showing details of a customer hosting package.

    """
    model = CustomerHostingPackage
    context_object_name = 'hostingpackage'

    def get_customer_object(self):
        return get_object_or_404(
            get_user_model(), username=self.kwargs['user'])

    def get_context_data(self, **kwargs):
        context = super(CustomerHostingPackageDetails, self).get_context_data(
            **kwargs)
        context.update({
            'customer': self.get_customer_object(),
            'uploadserver': settings.OSUSER_UPLOAD_SERVER,
        })
        return context


class AllCustomerHostingPackageList(
    LoginRequiredMixin, StaffuserRequiredMixin, ListView
):
    model = CustomerHostingPackage
    template_name_suffix = '_admin_list'