import json
import os
import sys

from django.conf import settings
from django.core.management.base import BaseCommand
from django.contrib.gis.geos import Point
from plovidba_aplikacija.models import ObjektSigurnosti
from django.db import transaction

# dodani podaci
class Command(BaseCommand):
    help = """
        Programatically create entries for plovidba_aplikacija model ObjektSigurnosti
    """
    def handle(self, *args, **options):
        json_rpath = os.path.join(settings.RESOURCES_DIR, 'testnipodaci.json')

        created_entries = 0
        existing_entries = 0

        with open(json_rpath, encoding='utf-8') as r:
            data = json.load(r)
            
            with transaction.atomic():
                for feature in data.get('features', []):
                    properties = feature.get('properties', {})
                    geometry = feature.get('geometry', {})

                    latitude = geometry.get('coordinates', [])[1]
                    longitude = geometry.get('coordinates', [])[0]
                    naziv_objekta = properties.get('naziv_objekta', '')

                    if not (isinstance(latitude, (float, int)) and isinstance(longitude, (float, int))):
                        print("Skipping invalid coordinates.")
                        continue

                    print(f"Latitude: {latitude}, Longitude: {longitude}, Naziv Objekta: {naziv_objekta}")
            

                    obj, created = ObjektSigurnosti.objects.get_or_create(
                        naziv=naziv_objekta,
                        lokacija=Point(float(longitude), float(latitude))
                    )
                    if created:
                        created_entries +=1
                        print("Kreiran OS {} - {}".format(obj.naziv, obj.lokacija))
                    else:
                        existing_entries += 1
                        print("Existing OS {} - {}".format(obj.naziv, obj.lokacija))

        print("Created: {}".format(created_entries))
        print("Existing:".format(existing_entries))