from sqlalchemy import Column, Integer, String, Float, ForeignKey
from sqlalchemy.orm import relationship
from app.models.base import Base, MYSQL_TABLE_ARGS

class Hotword(Base):
    __tablename__ = "biz_hotword"
    __table_args__ = MYSQL_TABLE_ARGS

    id = Column(Integer, primary_key=True, index=True)
    word = Column(String(255), nullable=False, comment="热词")
    pinyin = Column(String(255), nullable=True, comment="拼音")
    weight = Column(Float, default=1.0, comment="权重")
    scope = Column(String(50), default="personal", comment="作用域: personal/public")
    user_id = Column(Integer, ForeignKey("sys_user.user_id"), nullable=True, comment="创建人")

    creator = relationship("User")