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 job_companies.models.job_company import JobCompanies
from job_companies.serializer.job_company_serializer import JobCompanySerializer, JobCompanyListSerializer
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 JobCompanyPublicListAPIView(APIView):
    """Public endpoint to list all job companies for website users"""
    
    def get(self, request):
        jobs = JobCompanies.objects.filter(is_active=True).prefetch_related('culture_of_company','team_of_company','company_benefits').select_related('created_by')
        
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(jobs, request)
        serializer = JobCompanySerializer(result_page, many=True, context={'request': request})
        return paginator.get_paginated_response(serializer.data)

class JobCompanyListCreateAPIView(APIView):
    permission_classes = [IsAuthenticated]

    @swagger_auto_schema(request_body=JobCompanySerializer)
    def post(self, request):
        serializer = JobCompanySerializer(data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save(created_by=request.user)
        return Response({"success": "Job Company created successfully"}, status=status.HTTP_201_CREATED)
    
    def get(self, request):
        jobs = JobCompanies.objects.filter(is_active=True).prefetch_related('culture_of_company','team_of_company','company_benefits').select_related('created_by')
        
        user = request.user
        if user.role != 'admin':
            jobs = jobs.filter(created_by=user)
        
        paginator = CustomPageNumberPagination()
        result_page = paginator.paginate_queryset(jobs, request)
        serializer = JobCompanySerializer(result_page, many=True, context={'request': request})
        return paginator.get_paginated_response(serializer.data)
    
class JobCompanyDetailAPIView(APIView):
    # parser_classes = [MultiPartParser, FormParser]

    @swagger_auto_schema(request_body=JobCompanySerializer)
    def put(self, request, pk):
        job = get_object_or_404(JobCompanies, pk=pk)
        serializer = JobCompanySerializer(job, data=request.data, context={'request': request})
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response({"success": "Job Company updated successfully"}, status=status.HTTP_200_OK)

    def get(self, request, pk):
        job = get_object_or_404(JobCompanies, pk=pk)
        serializer = JobCompanySerializer(job, context={'request': request})
        return Response(serializer.data)

    def delete(self, request, pk):
        job = get_object_or_404(JobCompanies, pk=pk)
        job.soft_delete()
        return Response({"success": "Job Company deleted successfully"}, status=status.HTTP_200_OK)
    

class JobCompanyDropDownAPIView(APIView):
    def get(self, request):
        jobs = JobCompanies.objects.filter(is_active=True)
        # paginator = CustomPageNumberPagination()
        # result_page = paginator.paginate_queryset(jobs, request)
        serializer = JobCompanyListSerializer(jobs, many=True)
        return Response(serializer.data)