"""
User 数据模型
"""
from tortoise.models import Model
from tortoise import fields
from datetime import datetime

class User(Model):
    """用户模型"""
    
    id = fields.IntField(pk=True, description="主键ID")
    username = fields.CharField(max_length=50, unique=True, description="用户名")
    email = fields.CharField(max_length=100, unique=True, description="邮箱")
    hashed_password = fields.CharField(max_length=128, description="哈希密码")
    is_active = fields.BooleanField(default=True, description="是否激活")
    is_superuser = fields.BooleanField(default=False, description="是否超级用户")
    
    # 时间戳
    created_at = fields.DatetimeField(auto_now_add=True, description="创建时间")
    updated_at = fields.DatetimeField(auto_now=True, description="更新时间")
    
    # 反向关系
    items: fields.ReverseRelation["Item"]
    
    def __str__(self):
        return f"User(id={self.id}, username={self.username})"
    
    class Meta:
        table = "users"
        table_description = "用户表"
        ordering = ["-created_at"]
        
    class PydanticMeta:
        # Pydantic 模型配置
        exclude = ["hashed_password"]