from django.shortcuts import get_object_or_404, render
from django.core.urlresolvers import reverse_lazy, reverse

from django.views.generic import View, CreateView, FormView
from django.shortcuts import redirect
from django.http import HttpResponseRedirect
from django.contrib.auth import authenticate, login
from django.conf import settings

from membership.forms import PaymentForm
from membership.models import CustomUser
from utils.forms import BillingAddressForm
from .models import VirtualMachineType, VirtualMachinePlan
from .forms import HostingUserSignupForm, HostingUserLoginForm
from .mixins import ProcessVMSelectionMixin


class DjangoHostingView(ProcessVMSelectionMixin, View):
    template_name = "hosting/django.html"

    def get_context_data(self, **kwargs):
        context = {
            'hosting': "django",
            'hosting_long': "Django",
            'domain': "django-hosting.ch",
            'google_analytics': "UA-62285904-6",
            'email': "info@django-hosting.ch",
            'vm_types': VirtualMachineType.get_serialized_vm_types(),
        }
        return context

    def get(self, request, *args, **kwargs):

        context = self.get_context_data()

        return render(request, self.template_name, context)


class RailsHostingView(ProcessVMSelectionMixin, View):
    template_name = "hosting/rails.html"

    def get_context_data(self, **kwargs):
        context = {
            'hosting': "rails",
            'hosting_long': "Ruby On Rails",
            'domain': "rails-hosting.ch",
            'google_analytics': "UA-62285904-5",
            'email': "info@rails-hosting.ch",
            'vm_types': VirtualMachineType.get_serialized_vm_types(),
        }
        return context

    def get(self, request, *args, **kwargs):
        context = self.get_context_data()
        return render(request, self.template_name, context)


class NodeJSHostingView(ProcessVMSelectionMixin, View):
    template_name = "hosting/nodejs.html"

    def get_context_data(self, **kwargs):
        context = {
            'hosting': "nodejs",
            'hosting_long': "NodeJS",
            'domain': "node-hosting.ch",
            'google_analytics': "UA-62285904-7",
            'email': "info@node-hosting.ch",
            'vm_types': VirtualMachineType.get_serialized_vm_types(),
        }
        return context

    def get(self, request, *args, **kwargs):

        context = self.get_context_data()

        return render(request, self.template_name, context)


class IndexView(View):
    template_name = "hosting/index.html"

    def get_context_data(self, **kwargs):
        context = {
            'hosting': "nodejs",
            'hosting_long': "NodeJS",
            'domain': "node-hosting.ch",
            'google_analytics': "UA-62285904-7",
            'email': "info@node-hosting.ch",
            'vm_types': VirtualMachineType.get_serialized_vm_types(),
        }
        return context

    def get(self, request, *args, **kwargs):

        context = self.get_context_data()

        return render(request, self.template_name, context)


class LoginView(FormView):
    template_name = 'hosting/login.html'
    success_url = reverse_lazy('hosting:login')
    form_class = HostingUserLoginForm
    moodel = CustomUser

    def form_valid(self, form):
        email = form.cleaned_data.get('email')
        password = form.cleaned_data.get('password')
        auth_user = authenticate(email=email, password=password)

        if auth_user:

            login(self.request, auth_user)
            return HttpResponseRedirect(self.get_success_url())

        return HttpResponseRedirect(self.get_success_url())


class SignupView(CreateView):
    template_name = 'hosting/signup.html'
    form_class = HostingUserSignupForm
    moodel = CustomUser

    def get_success_url(self):
        return reverse_lazy('hosting:signup')

    def form_valid(self, form):

        name = form.cleaned_data.get('name')
        email = form.cleaned_data.get('email')
        password = form.cleaned_data.get('password')

        CustomUser.register(name, password, email)
        auth_user = authenticate(email=email, password=password)
        login(self.request, auth_user)

        return HttpResponseRedirect(self.get_success_url())


class PaymentVMView(FormView):
    template_name = 'hosting/payment.html'
    form_class = BillingAddressForm

    def get_context_data(self, **kwargs):
        context = super(PaymentVMView, self).get_context_data(**kwargs)
        context.update({
            'stripe_key': settings.STRIPE_API_PUBLIC_KEY
        })
        return context

    def post(self, request, *args, **kwargs):
        form = self.get_form()

        if form.is_valid():

            specifications = request.session.get('vm_specs')
            vm_type = specifications.get('hosting_company')
            vm = VirtualMachineType.objects.get(hosting_company=vm_type)

            plan_data = {
                'vm_type': vm,
                'cores': specifications.get('cores'),
                'memory': specifications.get('memory'),
                'disk_size': specifications.get('disk_size'),
                'price': vm.calculate_price(specifications)
            }

            # Stripe payment goes here

            # Billing Address should be store here

            VirtualMachinePlan.create(plan_data, request.user)

            return HttpResponseRedirect(reverse('hosting:payment'))
        else:
            return self.form_invalid(form)