from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import status
from rest_framework.pagination import PageNumberPagination
from rest_framework.exceptions import ValidationError, NotFound
from drf_yasg.utils import swagger_auto_schema
from django.shortcuts import get_object_or_404

from common.pagination.custom_pagination import CustomPageNumberPagination
from slider.models.slider import Slider
from slider.serializers.slider_serializer import SliderSerializer
from common.exceptions.exceptions import custom_exception_handler

from rest_framework.parsers import MultiPartParser, FormParser


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

    @swagger_auto_schema(request_body=SliderSerializer)
    def post(self, request):
        serializer = SliderSerializer(data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"success": "Slider created successfully"}, status=status.HTTP_201_CREATED)
    
    def get(self, request):
        sliders = Slider.objects.filter(is_active=True)
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(sliders, request)
        serializer = SliderSerializer(result_page, many=True, context={'request': request})
        return paginator.get_paginated_response(serializer.data)
    

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

    @swagger_auto_schema(request_body=SliderSerializer)
    def put(self, request, pk):
        slider = get_object_or_404(Slider, pk=pk)
        serializer = SliderSerializer(slider, data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"success": "Slider updated successfully"}, status=status.HTTP_200_OK)
    
    def get(self, request, pk):
        slider = get_object_or_404(Slider, pk=pk)
        serializer = SliderSerializer(slider, context={'request': request})
        return Response(serializer.data)
    
    def delete(self, request, pk):
        slider = get_object_or_404(Slider, pk=pk)
        slider.soft_delete()
        return Response({"success": "Slider deleted successfully"}, status=status.HTTP_200_OK)