# api/models.py
from django.db import models
from django.contrib.auth.models import User

class LinkGroup(models.Model):
    owner = models.ForeignKey(User, on_delete=models.CASCADE, related_name='groups')
    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(User, on_delete=models.CASCADE, related_name='links')
    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