from datetime import datetime
from .. import db


class Session(db.Model):
    __tablename__ = 'Sessions'

    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(80), nullable=False)
    # # 外键字段（使用驼峰命名）
    userId = db.Column(db.Integer, db.ForeignKey(
        'Users.id'), nullable=False)

    # 通用字段
    createdAt = db.Column(db.DateTime, default=datetime.now)  # 创建时间
    updatedAt = db.Column(db.DateTime, default=datetime.now,
                          onupdate=datetime.now)  # 更新时间
    deleteAt = db.Column(db.DateTime, default=None)  # 软删除标记

   # 定义与 User 表的关系 SQLAlchemy(ORM) 会自动处理外键关系
    user = db.relationship('User', backref='sessions')

    def to_dict(self):
        return {
            'id': self.id,
            'name': self.name,
            # 'user': {
            #     "id": self.user.id,
            #     "name": self.user.name,
            #     "email": self.user.email,
            #     "role": self.user.role,
            # }
        }

    def __repr__(self):
        return f'<Session {self.name}>'