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', '')
                    ps_br = properties.get('ps_br', None)
                    e_br = properties.get('e_br', None)
                    tip_objekta = properties.get('tip_objekta', None)
                    lucka_kapetanija = properties.get('lucka_kapetanija', None)
                    fotografija = properties.get('fotografija', '')
                    id_ais = properties.get('id_ais', None)
                    simbol_oznaka = properties.get('simbol_oznaka', '')

                    if not (isinstance(latitude, (float, int)) and isinstance(longitude, (float, int))):
                        continue

                    if not (naziv_objekta and latitude and longitude):
                        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)),
                        ps_br = ps_br,
                        e_br = e_br,
                        tip_objekta = tip_objekta,
                        lucka_kapetanija = lucka_kapetanija,
                        fotografija = fotografija,
                        id_ais = id_ais,
                        simbol_oznaka = simbol_oznaka,
                    )
                    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))