from django.conf import settings
from django.db import models

class LinkGroup(models.Model):
    owner = models.ForeignKey(
        settings.AUTH_USER_MODEL,
        on_delete=models.CASCADE,
        related_name='api_link_groups'  # теперь уникально
   )
    name = models.CharField(max_length=100)
    order = models.PositiveIntegerField(default=0)

    def __str__(self):
        return f"{self.owner.username} - {self.name}"

class Link(models.Model):
    owner = models.ForeignKey(
        settings.AUTH_USER_MODEL,
        on_delete=models.CASCADE,
        related_name='links'    # оставляем 'links' — у User нет такого поля
    )
    group = models.ForeignKey(
        LinkGroup,
        on_delete=models.SET_NULL,
        null=True, blank=True,
        related_name='links'
    )
    title = models.CharField(max_length=200)
    url = models.URLField()
    icon = models.URLField(blank=True, null=True)
    order = models.PositiveIntegerField(default=0)

    def __str__(self):
        return self.title