"""Admin-editable runtime settings (registration_open, flag_threshold, etc.)."""
from datetime import datetime
from app.utils.time import utcnow
from sqlalchemy import JSON
from app.extensions import db


class Setting(db.Model):
    __tablename__ = "settings"

    key = db.Column(db.String(80), primary_key=True)
    value = db.Column(JSON, nullable=True)
    updated_at = db.Column(db.DateTime, default=utcnow,
                           onupdate=utcnow, nullable=False)

    def __repr__(self):
        return f"<Setting {self.key}>"