import uuid

from django.db import models


class TimeStampedModel(models.Model):
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        abstract = True


class UUIDModel(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)

    class Meta:
        abstract = True


class Audience(models.TextChoices):
    """Who can see a Moment or Album. Mirrors the concept doc's privacy model."""

    PUBLIC = "public", "Public"
    FOLLOWERS = "followers", "Followers"
    FRIENDS = "friends", "Friends"
    FAMILY = "family", "Family"
    CUSTOM = "custom", "Custom"
    ONLY_ME = "only_me", "Only Me"