import json
from datetime import datetime
from enum import IntEnum
from sqlalchemy import Column, String, Enum as SQLAlchemyEnum, Integer, DateTime

from app.models import AgentType, current_time
from app.models.base_model import Base


class SessionModel(Base):
    __tablename__ = "sessions"
    id = Column(String(255), primary_key=True)
    name = Column(String(255))
    agent_id = Column(String(255))
    agent_type = Column(SQLAlchemyEnum(AgentType), nullable=False)  # 目前只存basic的，ragflow和bisheng的调接口获取
    create_date = Column(DateTime, default=current_time)  # 创建时间，默认值为当前时区时间
    update_date = Column(DateTime, default=current_time, onupdate=current_time)  # 更新时间，默认值为当前时区时间，更新时自动更新
    # to_dict 方法
    def to_dict(self):
        return {
            'id': self.id,
            'name': self.name,
            'agent_type': self.agent_type,
            'agent_id': self.agent_id,
            'create_date': self.create_date,
            'update_date': self.update_date,
        }