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 rest_framework.permissions import AllowAny

from package_category.models.package_category import PackageCategory
from package_category.serializer.package_category_serializer import PackageCategorySerializer
from common.pagination.custom_pagination import CustomPageNumberPagination
from common.exceptions.exceptions import custom_exception_handler

from rest_framework.parsers import MultiPartParser, FormParser


class PackageCategoryListCreateAPIView(APIView):
    # parser_classes = [MultiPartParser, FormParser]
    permission_classes = [AllowAny]

    @swagger_auto_schema(request_body=PackageCategorySerializer)
    def post(self, request):
        serializer = PackageCategorySerializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"success": "Package Category created successfully"}, status=status.HTTP_201_CREATED)
    
    def get(self, request):
        categories = PackageCategory.objects.all()
        is_active_param = request.query_params.get('is_active')
        if is_active_param and isinstance(is_active_param, str):
            if is_active_param.lower() == 'true':
                categories = categories.filter(is_active=True)
            else:
                categories = categories.filter(is_active=False)
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(categories, request)
        serializer = PackageCategorySerializer(result_page, many=True)
        return paginator.get_paginated_response(serializer.data)
    

class PackageCategoryDetailAPIView(APIView):
    # parser_classes = [MultiPartParser, FormParser]
    
    @swagger_auto_schema(request_body=PackageCategorySerializer)
    def put(self, request, pk):
        category = get_object_or_404(PackageCategory, pk=pk)
        serializer = PackageCategorySerializer(category, data=request.data)
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"success": "Package Category updated successfully"}, status=status.HTTP_200_OK)

    def get(self, request, pk):
        category = get_object_or_404(PackageCategory, pk=pk)
        serializer = PackageCategorySerializer(category)
        return Response(serializer.data)

    def delete(self, request, pk):
        category = get_object_or_404(PackageCategory, pk=pk)
        category.delete()
        return Response({"success": "Package Category deleted successfully"}, status=status.HTTP_200_OK)