from django.db import models

# Create your models here.

class ShopConfiguration(models.Model):
    name = models.CharField(max_length=100, default="Shop name", unique=True)

    zasilkovna_shipping_price = models.DecimalField(max_digits=10, decimal_places=2, default=50)
    zasilkovna_address_id = models.CharField(max_length=100, blank=True, null=True, help_text="ID výdejního místa Zásilkovny pro odesílání zásilek")
    free_shipping_over = models.DecimalField(max_digits=10, decimal_places=2, default=2000)
    
    class CURRENCY(models.TextChoices):
        CZK = "CZK", "Czech Koruna"
        EUR = "EUR", "Euro"
    currency = models.CharField(max_length=10, default=CURRENCY.CZK, choices=CURRENCY.choices)

    class Meta:
        verbose_name = "Shop Configuration"
        verbose_name_plural = "Shop Configuration"

    def save(self, *args, **kwargs):
        # zajištění singletonu
        self.pk = 1
        super().save(*args, **kwargs)

    @classmethod
    def get_solo(cls):
        obj, _ = cls.objects.get_or_create(pk=1)
        return obj