import logging

from utils.metrics_tracker import emit as metrics_emit

logger = logging.getLogger("cs_agent")


async def transfer_to_human_flow(client, data: dict, transfer_msg: str = "", *, transfer_group_resolver=None):
    """
    转接人工客服。
    1. 优先调用 dispatch 服务 GET /assign 一键派单
    2. 派单失败时，回退旧版 designer_roster 派单
    3. 无人在线或未配置时，回退到 config/transfer_groups.json
    设计师在线状态：仅在转人工时按需查询，不轮询。
    """
    if not client.websocket:
        logger.info("[%s] 错误: 未连接到服务器", client.get_time())
        return

    acc_id = data.get("acc_id", "")
    group_id = None
    assigned_to = ""
    dispatch_res = await client._dispatch_assign_once()
    if dispatch_res.get("success"):
        assigned_to = str(dispatch_res.get("assigned_to", "") or "").strip()
        logger.info(
            "一键派单成功 | task_id=%s | assigned_to=%s | online_count=%s",
            dispatch_res.get("task_id", ""),
            assigned_to or "未知",
            dispatch_res.get("online_count", 0),
        )
        metrics_emit(
            "dispatch_assign_success",
            acc_id=acc_id,
            assigned_to=assigned_to,
            online_count=dispatch_res.get("online_count", 0),
        )
    else:
        logger.warning("一键派单失败，回退旧派单逻辑: %s", dispatch_res.get("reason", "unknown"))
        metrics_emit("dispatch_assign_failed", acc_id=acc_id)

    # 2. 派单失败时，回退旧版 designer_roster
    if not dispatch_res.get("success"):
        try:
            from utils.designer_roster import poll_and_update_roster
            from db.designer_roster_db import get_transfer_group_for_shop
            await poll_and_update_roster()
            group_id = get_transfer_group_for_shop(acc_id)
        except Exception as e:
            logger.debug("设计师派单未启用或异常: %s", e)

    # 3. 无人在线时企微提醒（新旧两套都没拿到在线结果时）
    online_count = int(dispatch_res.get("online_count", 0) or 0)
    if online_count <= 0 and not group_id:
        try:
            from config.config import WECHAT_WEBHOOK
            if WECHAT_WEBHOOK:
                import httpx

                async with httpx.AsyncClient(timeout=5) as c:
                    resp = await c.post(WECHAT_WEBHOOK, json={
                        "msgtype": "text",
                        "text": {"content": "谁在线啊"},
                    })
                    if resp.status_code != 200:
                        logger.warning("企微提醒发送失败: %s %s", resp.status_code, resp.text)
            else:
                logger.debug("未配置 WECHAT_WEBHOOK，跳过企微提醒")
        except Exception as e:
            logger.warning("企微提醒发送异常: %s", e)

    # 4. 构造转接命令：有 assigned_to 用人名，否则回退分组
    if assigned_to:
        cmd = f"正在为你转接人工|[转移会话],{assigned_to},无原因"
        await client.send_reply(data, cmd)
        logger.info("[%s] 已发送转接请求 (店铺:%s -> 设计师:%s)", client.get_time(), acc_id or "未知", assigned_to)
        return

    if not group_id:
        group_id = transfer_group_resolver(acc_id) if transfer_group_resolver else "20252916034"
    cmd = f"话术|[转移会话],分组{group_id},无原因"
    await client.send_reply(data, cmd)
    logger.info("[%s] 已发送转接请求 (店铺:%s -> 分组:%s)", client.get_time(), acc_id or "未知", group_id)