from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import status
from drf_yasg.utils import swagger_auto_schema
from django.shortcuts import get_object_or_404

from producers_categories.models.producers_categories import ProducersCategories
from producers_categories.serializers.producers_categories_serializer import ProducersCategoriesSerializer, ProducersCategoriesDropdownSerializer
from common.pagination.custom_pagination import CustomPageNumberPagination
from common.exceptions.exceptions import custom_exception_handler

from rest_framework.permissions import AllowAny


class ProducersCategoriesListCreateAPIView(APIView):
    permission_classes = [AllowAny]
    @swagger_auto_schema(request_body=ProducersCategoriesSerializer)
    def post(self, request):
        serializer = ProducersCategoriesSerializer(data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"Success": "Producers Category created successfully"}, status=status.HTTP_201_CREATED)
    
    def get(self, request):
        categories = ProducersCategories.objects.all().prefetch_related('producers_sub_category')
        category_by_name = self.request.query_params.get('name')
        if category_by_name:
            categories = categories.filter(name=category_by_name)
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(categories, request)
        serializer = ProducersCategoriesSerializer(result_page, many=True, context={'request': request})
        return paginator.get_paginated_response(serializer.data)
    

class ProducersCategoriesDetailAPIView(APIView):
    permission_classes = [AllowAny]
    @swagger_auto_schema(request_body=ProducersCategoriesSerializer)
    def put(self, request, pk):
        category = get_object_or_404(ProducersCategories, pk=pk)
        serializer = ProducersCategoriesSerializer(category, data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"Success": "Producers Category updated successfully"}, status=status.HTTP_200_OK)
    
    def get(self, request, pk):
        category = get_object_or_404(ProducersCategories, pk=pk)
        serializer = ProducersCategoriesSerializer(category, context={'request': request})
        return Response(serializer.data)

    def delete(self, request, pk):
        category = get_object_or_404(ProducersCategories, pk=pk)
        category.delete()
        return Response({"success": "Producers Category deleted successfully"}, status=status.HTTP_200_OK)
    
class ProducersCategoriesDropdonwAPIView(APIView):
     def get(self, request):
        categories = ProducersCategories.objects.all()
        # paginator = CustomPageNumberPagination()
        # result_page = paginator.paginate_queryset(categories, request)
        serializer = ProducersCategoriesDropdownSerializer(categories, many=True, context={'request': request})
        return Response(serializer.data)