"""
AI Box Sophon Adapter — ORM 模型

SQLModel 定义设备心跳记录表。
"""
from datetime import datetime
from typing import Optional

from sqlmodel import Field, SQLModel


class BoardHeartbeat(SQLModel, table=True):
    """设备心跳记录表"""
    __tablename__ = "board_heartbeat"

    id: Optional[int] = Field(default=None, primary_key=True)
    board_id: str = Field(index=True, unique=True, description="设备唯一标识 (BoardId)")
    board_ip: str = Field(default="", description="设备 IP")
    board_platform: str = Field(default="", description="硬件类型")
    board_temp: str = Field(default="", description="芯片温度")
    board_type: str = Field(default="", description="接入方式 WAN/4G")
    status: str = Field(default="未知", description="设备状态")
    version: str = Field(default="", description="软件版本")
    system_info: str = Field(default="", description="系统版本信息")
    grant_code: int = Field(default=0, description="授权码")
    grant_desc: str = Field(default="", description="授权描述")
    last_ping_time: datetime = Field(default_factory=datetime.now, description="最后心跳时间")
    ping_data: str = Field(default="{}", description="完整心跳数据 JSON")
    is_online: bool = Field(default=True, description="是否在线")
    created_at: datetime = Field(default_factory=datetime.now, description="首次上报时间")
    updated_at: datetime = Field(default_factory=datetime.now, description="最后更新时间")