"""
意图：继续历史工单。

本文件职责：把 DeepSeek A 认出的续办意图交给流程，按工单号回到当时停点。
工单号优先用路由结论；模型漏填时再从原话机读 WO 号（不在这里判断意图）。
禁止：在本文件抽询价字段；禁止回调线程跑完整 LLM；禁止直连 TMS。
"""

from __future__ import annotations

import logging

from agent.channel.queue import get_message_store
from agent.channel.wecom.models import InboundMessage
from agent.policy import inquiry_copy as copy
from agent.policy.air_text_flow import get_air_text_flow

logger = logging.getLogger(__name__)


def handle_continue_thread(
    message: InboundMessage,
    *,
    thread_id: str = "",
    flow=None,
    store=None,
) -> str:
    """
    续办一张历史工单：回到该单当时节点的卡片/话术。

    thread_id：RouteDecision 里的工单号。副作用：outbox 回复；读主账。
    """
    if not message.has_sender():
        logger.warning("continue_thread 拒绝：无 sender_id")
        return "reject_no_sender"
    msg_store = store or get_message_store()
    engine = flow or get_air_text_flow()
    replies: list[str] = []

    def reply(text: str, extra: dict | None = None) -> None:
        replies.append(text)
        ok, info = msg_store.enqueue_outbound(
            touser=message.sender_id,
            content=text,
            dedupe_key=f"cont:{message.message_id}:{len(replies)}",
            payload=dict(extra or {}),
        )
        logger.info("continue_thread 出站 ok=%s info=%s", ok, info)

    wo = (thread_id or "").strip() or copy.extract_work_order_no(message.content or "")
    phase = engine.resume_historical(
        sender_id=message.sender_id,
        work_order_no=wo,
        reply=reply,
    )
    logger.info(
        "continue_thread phase=%s sender=%s wo=%s",
        phase,
        message.sender_id,
        wo or "-",
    )
    return phase