"""
Management command to seed weather parameters.
Run: python manage.py seed_weather_parameters
"""
from django.core.management.base import BaseCommand

from weather.models import WeatherParameter


INITIAL_PARAMETERS = [
    ("temperature_min", "حداقل دمای هوا", "°C"),
    ("temperature_max", "حداکثر دمای هوا", "°C"),
    ("temperature_mean", "میانگین دمای هوا", "°C"),
    ("precipitation", "مجموع بارش", "mm"),
    ("precipitation_probability", "احتمال بارش", "%"),
    ("humidity_mean", "میانگین رطوبت نسبی", "%"),
    ("wind_speed_max", "حداکثر سرعت باد", "km/h"),
    ("et0", "تبخیر-تعرق مرجع (ET₀)", "mm/day"),
    ("weather_code", "کد وضعیت آب‌وهوا (WMO)", ""),
]


class Command(BaseCommand):
    help = "Seed weather parameters (temperature, precipitation, ET0, etc.)"

    def handle(self, *args, **options):
        created_count = 0
        for code, name_fa, unit in INITIAL_PARAMETERS:
            _, created = WeatherParameter.objects.get_or_create(
                code=code,
                defaults={"name_fa": name_fa, "unit": unit},
            )
            if created:
                created_count += 1
                self.stdout.write(
                    self.style.SUCCESS(f"  Created: {code} ({name_fa})")
                )
        self.stdout.write(
            self.style.SUCCESS(
                f"\nDone. Created {created_count} new weather parameters."
            )
        )