from django.db.models.signals import post_save
from django.contrib.auth.models import User
from django.dispatch import receiver
from .models import UserProfile

AVATAR_COLORS = [
    '#6366f1', '#8b5cf6', '#ec4899', '#f43f5e',
    '#f97316', '#eab308', '#22c55e', '#14b8a6', '#3b82f6'
]

@receiver(post_save, sender=User)
def create_user_profile(sender, instance, created, **kwargs):
    if created:
        color = AVATAR_COLORS[instance.id % len(AVATAR_COLORS)]
        UserProfile.objects.get_or_create(user=instance, defaults={'avatar_color': color})