"""
查询单个设备详情 — GET /aibox/get_device?board_id=xxx
"""
import json
import logging
from datetime import datetime

from chongming_worker import rpc_method

logger = logging.getLogger(__name__)


@rpc_method(
    subject="aibox_sophon_adapter.get_device",
    method="GET",
    summary="查询单个设备详情",
)
async def get_device(board_id: str, worker_id: str = "") -> dict:
    """根据 BoardId 查询设备的完整心跳数据和在线状态"""
    from ..global_var import db, heartbeat_timeout

    try:
        if db is None:
            raise RuntimeError("Database not initialized")
        async with db.get_session() as session:
            from ..models.orm import BoardHeartbeat
            from sqlalchemy import select

            stmt = select(BoardHeartbeat).where(BoardHeartbeat.board_id == board_id) # type: ignore
            result = await session.execute(stmt)
            record: BoardHeartbeat | None = result.scalar_one_or_none()

            if record is None:
                return {"error": f"设备不存在: {board_id}"}

            now = datetime.now()
            elapsed = (now - record.last_ping_time).total_seconds()
            is_online = elapsed <= heartbeat_timeout

            ping_data = {}
            try:
                ping_data = json.loads(record.ping_data) if record.ping_data else {}
            except json.JSONDecodeError:
                pass

            return {
                "board_id": record.board_id,
                "board_ip": record.board_ip,
                "board_platform": record.board_platform,
                "board_type": record.board_type,
                "board_temp": record.board_temp,
                "status": record.status,
                "version": record.version,
                "system_info": record.system_info,
                "grant_code": record.grant_code,
                "grant_desc": record.grant_desc,
                "is_online": is_online,
                "last_ping_time": record.last_ping_time.isoformat() if record.last_ping_time else None,
                "elapsed_seconds": round(elapsed, 1),
                "ping_data": ping_data,
            }

    except Exception as e:
        logger.error(f"[get_device] 查询失败 (board_id={board_id}): {e}")
        return {"error": str(e)}