import logging

from django.shortcuts import render
from django.core import serializers
from django.core.mail import EmailMessage
from django.template.loader import render_to_string

# Create your views here.
from rest_framework import viewsets
from rest_framework.response import Response
from rest_framework.permissions import IsAuthenticatedOrReadOnly, IsAuthenticated
from rest_framework.decorators import api_view, permission_classes, action

from companies.models import Company
from companies.serializers import CompanySerializer

from back_latienda.permissions import IsCreator


class CompanyViewSet(viewsets.ModelViewSet):
      queryset = Company.objects.all()
      serializer_class = CompanySerializer
      permission_classes = [IsAuthenticatedOrReadOnly, IsCreator]

      def perform_create(self, serializer):
            serializer.save(creator=self.request.user)

      @action(detail=True, methods=['POST', ])
      def email_manager(self, request, **kwargs):
            """
            Send email to company.creator
            """

            queryset = self.get_custom_queryset(request)
            instance = queryset.filter(pk=kwargs['pk']).first()
            if instance:
                  data = json.loads(request.body)
                  # send email to manager
                  message = render_to_string('company_contact.html', {
                        'user': request.user,
                        'data': data,
                  })
                  email = EmailMessage(subject, message, to=[instance.creator.email])
                  email.send()
                  logging.info(f"Email sent to {instance.creator.email} as manager of {instance.name}")

                  # send confirmation email to user
                  message = render_to_string('confirm_company_contact.html', {
                        'user': request.user,
                  })
                  email = EmailMessage(subject, message, to=[request.user.email])
                  email.send()
                  logging.info(f"Confirmation email sent to {request.user.email}")

                  return Response(data=data)
            else:
                  return Response({"errors":{"details": f"No instance of company with id {kwargs['pk']}",}})


@api_view(['GET',])
@permission_classes([IsAuthenticated,])
def my_company(request):
      qs = Company.objects.filter(creator=request.user)
      data = serializers.serialize('json', qs)
      return Response(data=data)