"""
Management command to seed the 7 initial sensor parameters.
Run: python manage.py seed_sensor_parameters
"""
from django.core.management.base import BaseCommand

from sensor_data.models import ParameterUpdateLog, SensorParameter


INITIAL_PARAMETERS = [
    ("soil_moisture", "رطوبت خاک", "%"),
    ("soil_temperature", "دما خاک", "°C"),
    ("soil_ph", "pH خاک", ""),
    ("electrical_conductivity", "هدایت الکتریکی", "dS/m"),
    ("nitrogen", "ازت (N)", "mg/kg"),
    ("phosphorus", "فسفر", "mg/kg"),
    ("potassium", "پتاسیم", "mg/kg"),
]


class Command(BaseCommand):
    help = "Seed 7 initial sensor parameters (soil_moisture, soil_temperature, etc.)"

    def handle(self, *args, **options):
        created_count = 0
        for code, name_fa, unit in INITIAL_PARAMETERS:
            param, created = SensorParameter.objects.get_or_create(
                code=code,
                defaults={"name_fa": name_fa, "unit": unit},
            )
            if created:
                ParameterUpdateLog.objects.create(
                    parameter=param,
                    action="added",
                )
                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 parameters.")
        )