import uuid

from django.conf import settings
from django.db import models
from django.utils.translation import gettext_lazy as _

user_model = settings.AUTH_USER_MODEL


class BaseModel(models.Model):
    uid = models.UUIDField(
        verbose_name=_('UUID'),
        unique=True,
        default=uuid.uuid4,
        editable=False
    )

    created_by = models.ForeignKey(
        to=user_model,
        verbose_name=_('Created by'),
        null=True,
        blank=True,
        related_name='%(class)s_created',
        on_delete=models.SET_NULL
    )

    created_at = models.DateTimeField(
        verbose_name=_('Created at'),
        auto_now_add=True,
        editable=False,
        db_index=True
    )

    updated_by = models.ForeignKey(
        to=user_model,
        verbose_name=_('Updated by'),
        null=True,
        blank=True,
        related_name='%(class)s_updated',
        on_delete=models.SET_NULL
    )

    updated_at = models.DateTimeField(
        verbose_name=_('Updated at'),
        auto_now=True,
        null=True,
        blank=True
    )

    class Meta:
        abstract = True