# views.py
from rest_framework.views import APIView
from rest_framework.generics import ListAPIView
from rest_framework.response import Response
from rest_framework import status
from rest_framework import generics
from .models import ObjektSigurnosti
from .serializers import ObjektSigurnostiSerializer
from django.shortcuts import get_object_or_404
from rest_framework.pagination import LimitOffsetPagination



class CustomObjektSigurnostiPagination(LimitOffsetPagination):
    default_limit = 20
    

class ObjektSigurnostiList(generics.ListCreateAPIView):
    queryset = ObjektSigurnosti.objects.all().order_by("naziv")
    serializer_class = ObjektSigurnostiSerializer
    pagination_class = CustomObjektSigurnostiPagination

def get_queryset(self):
    user = self.request.user
    return user.accounts.all()
    # def get_queryset(self):     #queryset je data iz database, listing and creating objects
    #     queryset = ObjektSigurnosti.objects.all()
    #     location = self.request.query_params.get('lokacija')
    #     if location is not None:
    #         queryset = queryset.filter(lokacija__icontains=location)
    #     return queryset
    
def perform_create(self, serializer):       
    #used to customize the behavior when creating an object, and in this case, 
    #it sets the operater field and creates a log entry for the created object.
    serializer.save(operater=self.request.user)
    # instance = serializer.instance
    # self.create_log(instance)

def get_serializer_class(self):
    if self.request.method == "GET":
      return ObjektSigurnostiSerializer
    return self.serializer_class()
    

class ObjektSigurnostiDetail(generics.RetrieveUpdateDestroyAPIView):        #retrieving, updating, and deleting a specific object
    queryset = ObjektSigurnosti.objects.all()
    serializer_class = ObjektSigurnostiSerializer

    # def perform_update(self, serializer):
    #     instance = serializer.save()
    #     opis = "Korisnik je uredio objekt sigurnosti {} (ID: {})".format(
    #         instance.vrsta.naziv, instance.id
    #     )
    #     Log.objects.create(user=self.request.user, akcija="Uređivanje", opis=opis)

    # def perform_destroy(self, instance):
    #     super().perform_destroy(instance)
    #     opis = "Korisnik je obrisao objekt sigurnosti {} (ID: {})".format(
    #         instance.vrsta.naziv, instance.id
    #     )
    #     Log.objects.create(user=self.request.user, akcija="Brisanje", opis=opis)