"""
Embedding model definition (placeholder for AI features)
"""
from sqlalchemy import Column, String, ForeignKey, LargeBinary
import uuid

from app.database import Base

class Embedding(Base):
    """
    Placeholder table for future AI embeddings (CLIP, face recognition, etc.)
    """
    __tablename__ = 'embeddings'
    
    photo_id = Column(String, ForeignKey('photos.id', ondelete='CASCADE'), primary_key=True)
    model = Column(String)  # e.g., 'clip-vit-b32', 'face-recognition', etc.
    vector = Column(LargeBinary)  # raw float32 bytes for embedding vector