"""
卡密模型
"""
from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, SmallInteger, Numeric
from sqlalchemy.orm import relationship
from app.database import Base

class Card(Base):
    """卡密表"""
    __tablename__ = "cards"

    id = Column(Integer, primary_key=True, index=True, comment="主键ID")
    card_code = Column(String(32), unique=True, nullable=False, index=True, comment="卡密代码")
    software_code = Column(String(50), nullable=False, index=True, comment="软件特征码")
    days = Column(Integer, nullable=False, comment="天数")
    discount = Column(Numeric(5, 2), default=1.00, comment="折扣")
    user_id = Column(Integer, ForeignKey("users.id"), index=True, comment="激活用户ID")
    activated_at = Column(DateTime, comment="激活时间")
    expire_time = Column(DateTime, index=True, comment="到期时间")
    status = Column(SmallInteger, default=0, index=True, comment="状态：0-未激活，1-已激活，2-已过期")
    is_deleted = Column(SmallInteger, default=0, index=True, comment="是否删除：0-否，1-是")
    created_at = Column(DateTime, comment="创建时间")
    updated_at = Column(DateTime, comment="更新时间")
    
    # 关系
    user = relationship("User", foreign_keys=[user_id])  # 激活该卡密的用户（多对一）
    recharge_records = relationship("RechargeRecord", back_populates="card")