"""系统配置模型。"""
from sqlalchemy import Column, String, Text, BigInteger, TIMESTAMP, func
from insurance.db.compat import db


class SystemSetting(db.Model):
    """系统配置表。"""
    __tablename__ = "system_settings"

    id = Column(BigInteger, primary_key=True, autoincrement=True)
    key = Column(String(100), unique=True, nullable=False, comment="配置键")
    value = Column(Text, nullable=False, comment="配置值")
    description = Column(String(500), nullable=True, comment="描述")
    updated_by = Column(String(50), nullable=True, comment="更新人")
    updated_at = Column(TIMESTAMP, server_default=func.now(), onupdate=func.now())

    def to_dict(self):
        return {
            "id": self.id,
            "key": self.key,
            "value": self.value,
            "description": self.description,
            "updatedBy": self.updated_by,
            "updatedAt": self.updated_at.isoformat() if self.updated_at else None,
        }