from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, func
from sqlalchemy.orm import relationship
from config.database import Base


class Maintenance(Base):
    __tablename__ = "maintenance"

    id = Column(Integer, primary_key=True, index=True)
    scenario_id = Column(Integer, ForeignKey("scenario.id"), nullable=False)
    performed_at = Column(DateTime(timezone=True), server_default=func.now())
    details = Column(String, nullable=True)

    scenario = relationship("Scenario", back_populates="maintenance_items")

    def __repr__(self):
        return f"<Maintenance id={self.id} scenario_id={self.scenario_id} performed_at={self.performed_at}>"