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_products_images.models.products_images import ProductsImages
from producers_products_images.serializers.products_images_serializer import ProductsImagesSerializer
from common.pagination.custom_pagination import CustomPageNumberPagination
from common.exceptions.exceptions import custom_exception_handler
from rest_framework.permissions import IsAuthenticated

from rest_framework.parsers import MultiPartParser, FormParser

class ProductsImagesPublicListAPIView(APIView):
    """Public endpoint to list all product images for website users"""
    
    def get(self, request):
        categories = ProductsImages.objects.filter().select_related('product', 'created_by')
        
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(categories, request)
        serializer = ProductsImagesSerializer(result_page, many=True, context={'request': request})
        return paginator.get_paginated_response(serializer.data)



class ProductsImagesListCreateAPIView(APIView):
    parser_classes = [MultiPartParser, FormParser]
    permission_classes = [IsAuthenticated]

    @swagger_auto_schema(request_body=ProductsImagesSerializer)
    def post(self, request):
        serializer = ProductsImagesSerializer(data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save(created_by=request.user)
        return Response({"Success": "Products image created successfully"}, status=status.HTTP_201_CREATED)
    
    def get(self, request):
        categories = ProductsImages.objects.filter().select_related('product', 'created_by')
        
        user = request.user
        if user.role != 'admin':
            categories = categories.filter(created_by=user)
        
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(categories, request)
        serializer = ProductsImagesSerializer(result_page, many=True, context={'request': request})
        return paginator.get_paginated_response(serializer.data)
    

class ProductsImagesDetailAPIView(APIView):
    parser_classes = [MultiPartParser, FormParser]

    @swagger_auto_schema(request_body=ProductsImagesSerializer)
    def put(self, request, pk):
        category = get_object_or_404(ProductsImages, pk=pk)
        serializer = ProductsImagesSerializer(category, data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"Success": "Products image updated successfully"}, status=status.HTTP_200_OK)
    
    def get(self, request, pk):
        category = get_object_or_404(ProductsImages.objects.select_related('product'), pk=pk)
        serializer = ProductsImagesSerializer(category, context={'request': request})
        return Response(serializer.data)

    def delete(self, request, pk):
        category = get_object_or_404(ProductsImages, pk=pk)
        category.delete()
        return Response({"success": "Products image deleted successfully"}, status=status.HTTP_200_OK)