from sqlalchemy import Column, String, Integer, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.sql import func
from core.database import Base
import uuid

class Bird(Base):
    __tablename__ = "birds"
    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    name = Column(String, nullable=False, unique=True, index=True)
    species = Column(String, nullable=False)
    description = Column(String)
    age = Column(Integer)
    created_at = Column(
        "created_at", 
        ForeignKey("created_at_metadata.id"),
        nullable=False,
        default=func.now(),
    )
    updated_at = Column(
        "updated_at",
        ForeignKey("updated_at_metadata.id"),
        nullable=False,
        default=func.now(),
        onupdate=func.now(),
    )