from django.core.management.base import BaseCommand
import requests
from establishment.models import Establishment
from main.models import Currency


class Command(BaseCommand):
    help = 'Add currency to new db'

    def handle(self, *args, **kwargs):
        count = 0

        queryset = list(Establishment.objects.filter(address__city__country__isnull=False))
        url = 'https://restcountries.eu/rest/v2/name/{country}'

        for est in queryset:
            if not est.currency:
                try:
                    country = est.address.city.country.name_translated
                    resp = requests.get(url=url.format(country=country))
                except requests.exceptions.Timeout:
                    continue
                except Establishment.DoesNotExist:
                    continue
                else:
                    if resp.status_code == requests.codes.ok:
                        country_list = resp.json()
                        if isinstance(country_list, list):
                            currency_dict = country_list[0].get("currency")
                            if currency_dict:
                                name = currency_dict.get("name")
                                if name:
                                    currency, created = Currency.objects.get_or_create(
                                        slug=currency_dict.get("name").lower(),
                                    )
                                    if created:
                                        currency.name = {"en-GB": name},
                                        currency.sign = currency_dict.get("symbol"),
                                        currency.save()
                                    est.currency = currency
                                    count += 1
                Establishment.objects.bulk_update(queryset, ['currency'])

        self.stdout.write(self.style.WARNING(f'Created/updated {count} objects.'))