from django.contrib.auth.models import User
from django.db import models
from django.utils.text import slugify

from bp_ib.settings import DEFAULT_ACCOUNT_BALANCE


class Account(models.Model):
    iban = models.CharField(max_length=24)
    balance = models.FloatField(default=DEFAULT_ACCOUNT_BALANCE)
    user = models.ForeignKey(User, on_delete=models.CASCADE)
    slug = models.SlugField(default="", null=False)
    name = models.CharField(max_length=20, default="Current account")

    def __str__(self):
        return f"User {self.user} - account ({self.iban})"

    def save(self, *args, **kwargs):  # new
        if not self.slug:
            self.slug = slugify(self.iban)
        return super().save(*args, **kwargs)