from django.db import models
import logging

logger = logging.getLogger("root")


def group_based_upload_to(instance, filename):
    logger.info(instance)
    return "files/image/{}/{}/{}".format(
        type(instance).__name__.lower(), instance.id, filename
    )


class Element3D(models.Model):
    parent = models.ForeignKey("self", on_delete=models.PROTECT, blank=True, null=True)
    model_file = models.FileField(upload_to=group_based_upload_to)
    name = models.CharField(max_length=255)
    description = models.TextField()

    def __str__(self):
        return self.name


class ClickableArea(models.Model):
    name = models.CharField(max_length=255)
    description = models.TextField()
    object_name = models.CharField(max_length=255)
    target = models.ForeignKey(
        Element3D, on_delete=models.CASCADE, related_name="clickable_areas"
    )

    def __str__(self):
        return self.name