from rest_framework.response import Response
from rest_framework import status
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.views import APIView
from rest_framework.permissions import IsAuthenticated
from django.db.models import Q
from rest_framework.parsers import MultiPartParser, FormParser, JSONParser
from job_company_reviews.models.company_review import JobCompanyReview
from job_company_reviews.serializer.job_company_reviews_serializer import JobCompanyReviewSerializer
from common.pagination.custom_pagination import CustomPageNumberPagination
from common.exceptions.exceptions import custom_exception_handler
from rest_framework.permissions import IsAuthenticated
from package_details.utils import ensure_user_has_storage_capacity


class JobCompanyReviewListCreateAPIView(APIView):
    permission_classes = [IsAuthenticated]
    parser_classes = [MultiPartParser, FormParser, JSONParser]
    
    @swagger_auto_schema(request_body=JobCompanyReviewSerializer)
    def post(self, request):
        # ✅ Enhanced storage capacity check for both image and video
        review_image = request.FILES.get("review_image")
        review_video = request.FILES.get("review_video")
        
        if review_image:
            ensure_user_has_storage_capacity(
                request.user, 
                review_image, 
                field_name="review_image"
            )
        elif review_video:
            ensure_user_has_storage_capacity(
                request.user, 
                review_video, 
                field_name="review_video"
            )

        serializer = JobCompanyReviewSerializer(data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save(created_by=request.user)
        return Response({"success": "Job Company review created successfully"}, status=status.HTTP_201_CREATED)
    
    def get(self, request):
        reviews = JobCompanyReview.objects.filter(is_active=True).select_related(
            'company',
            'company__created_by',
            'created_by'
        )
        
        # Role-based filtering
        user = request.user
        if user.role == 'admin':
            pass
        else:
           
            reviews = reviews.filter(
                Q(created_by=user) |  
                Q(company__created_by=user)  
            )
        
        job_query = request.query_params.get('company')
        if job_query:
            reviews = reviews.filter(company_id=job_query)
        
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(reviews, request)
        serializer = JobCompanyReviewSerializer(result_page, many=True, context={'request': request})
        return paginator.get_paginated_response(serializer.data)

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

    @swagger_auto_schema(request_body=JobCompanyReviewSerializer)
    def put(self, request, pk):
        service = get_object_or_404(JobCompanyReview, pk=pk)
        serializer = JobCompanyReviewSerializer(service, data=request.data)
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"success": "Job Company review updated successfully"}, status=status.HTTP_200_OK)
    
    def get(self, request, pk):
        service = get_object_or_404(JobCompanyReview, pk=pk)
        serializer = JobCompanyReviewSerializer(service)
        return Response(serializer.data)
    
    def delete(self, request, pk):
        service = get_object_or_404(JobCompanyReview, pk=pk)
        service.soft_delete()
        return Response({"success": "Job Company review deleted successfully"}, status=status.HTTP_200_OK)