from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
from django.db import models


class ActivityLog(models.Model):
    actor = models.ForeignKey(
        "accounts.CustomUser",
        on_delete=models.CASCADE,
        related_name="activities",
    )
    verb = models.CharField(max_length=255)
    description = models.TextField(blank=True)
    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
    object_id = models.PositiveIntegerField()
    content_object = GenericForeignKey("content_type", "object_id")
    timestamp = models.DateTimeField(auto_now_add=True)

    class Meta:
        verbose_name_plural = "activity logs"
        ordering = ["-timestamp"]

    def __str__(self):
        return f"{self.actor} {self.verb} {self.content_type} #{self.object_id}"