from sqlalchemy import Column, Integer, String, DateTime, func
from sqlalchemy.orm import relationship

from app.database import Base


class Species(Base):
    __tablename__ = "species"

    id = Column(Integer, primary_key=True, index=True)
    scientific_name = Column(String, unique=True, nullable=False, index=True)
    common_name = Column(String, nullable=True)
    genus = Column(String, nullable=True, index=True)
    family = Column(String, nullable=True)
    created_at = Column(DateTime, server_default=func.now())

    # Relationships
    images = relationship("Image", back_populates="species", cascade="all, delete-orphan")

    def __repr__(self):
        return f"<Species(id={self.id}, scientific_name='{self.scientific_name}')>"