import uuid
from django.db import models

from tmc.models import CustomTable, BaseCustomField, TerritoryItem

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 TmcField(models.Model):
    field = models.ForeignKey(BaseCustomField, models.RESTRICT)
    text = models.CharField(null=True, blank=True)
    file_id = models.CharField(null=True, blank=True)
    image_aws_url = models.CharField(null=True, blank=True)    


class TmcElement(models.Model):
    tmc = models.ForeignKey(CustomTable, models.RESTRICT)
    name = models.CharField(null=True, blank=True)
    field = models.ManyToManyField(TmcField)


class TgItem(models.Model):
    id = models.UUIDField(
        # auto_created=True,
        primary_key=True,
        default=uuid.uuid4,
        editable=False,
        unique=True,
    )
    user_id = models.BigIntegerField()
    name = models.CharField(max_length=255)
    location = models.ForeignKey(TerritoryItem, models.RESTRICT)
    created_at = models.DateTimeField(auto_now_add=True, null=True, blank=True)
    updated_at = models.DateTimeField(auto_now=True, null=True, blank=True)
    tmc = models.ManyToManyField(TmcElement)

    def __str__(self):
        return f"Tg item {self.name}"