from extensions import db


class Service(db.Model):
    __tablename__ = "service"

    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    name = db.Column(db.String(120), unique=True, nullable=False)
    description = db.Column(db.String(255), nullable=True)
    created_at = db.Column(db.DateTime, default=db.func.current_timestamp())
    updated_at = db.Column(
        db.DateTime,
        default=db.func.current_timestamp(),
        onupdate=db.func.current_timestamp(),
    )

    # Relacionamento com as instâncias de serviço (ServiceInstance)
    instances = db.relationship("ServiceInstance", backref="service", lazy=True)

    def __repr__(self):
        return f"<Service {self.name}>"