from django.contrib.auth.decorators import login_required
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http.response import HttpResponse
from django.shortcuts import render
from django.urls import reverse
from django.views.generic import CreateView
from django.views.generic import DeleteView
from django.views.generic import DetailView

from django_tables2 import RequestConfig
from guardian.mixins import PermissionRequiredMixin

from core import utils
from .models import Customer
from .tables import CustomersTable
from .forms import CustomerForm


@login_required
def customers_table_view(request):
    table = CustomersTable(utils.get_customers(request.user))
    RequestConfig(request).configure(table)
    return render(request,
                  'customers/customer_list.html',
                  {'customers': table})


@login_required
def htmx_create_customer(request):
    if request.method == "POST":
        form = CustomerForm(request.POST)
        if form.is_valid():
            form.save(commit=True)
            return HttpResponse("<script>location.reload()</script>")
        else:
            return render(request,
                          "customers/partials/customer_create.html",
                          context={
                              "form": form
                          })

    form = CustomerForm()
    context = {
        "form": form
    }
    return render(request, "customers/partials/customer_create.html", context)


class CustomerDetailView(LoginRequiredMixin,
                         PermissionRequiredMixin,
                         DetailView):
    model = Customer
    template_name = 'customers/customer_details.html'
    permission_required = 'view_customer'


class CustomerCreateView(LoginRequiredMixin, CreateView):
    """
    A view to create a customer.
    """
    model = Customer
    template_name = 'customers/customer_create.html'
    fields = ['name', 'description']

    def get_success_url(self):
        return reverse('customer', args=(self.object.pk,))


class CustomerDeleteView(LoginRequiredMixin, DeleteView):
    model = Customer

    def get_success_url(self):
        return reverse('customers')