"""
成交三态落地：改主账六态、推负责人、收下未成交原因、排协商再问。

本文件职责：私聊/群聊共用。不在回调线程等 LLM。推送只入 outbox。
禁止：把图成功当主账成功；成交失败还去推负责人；未成交推负责人。
"""

from __future__ import annotations

import logging
from typing import Any, Callable, Optional

from agent.config import get_settings
from agent.policy import inquiry_copy as copy
from agent.policy.deal_followup import next_followup_at, pick_leaders

logger = logging.getLogger(__name__)

EnqueueFn = Callable[..., tuple[bool, str]]


def notify_app_ready() -> bool:
    """询价消息服务已配 AgentId+Secret 才推。空则只成交不推。"""
    settings = get_settings()
    return bool(
        str(getattr(settings, "wecom_notify_agent_id", "") or "").strip()
        and str(getattr(settings, "wecom_notify_secret", "") or "").strip()
    )


def _role_of(business_line: str) -> str:
    line = (business_line or "").strip().upper()
    if line == "SEA":
        return "sea"
    if line == "LAND":
        return "land"
    return "air"


def _enqueue_default(
    *,
    touser: str,
    content: str,
    dedupe_key: str,
    payload: dict[str, Any],
) -> tuple[bool, str]:
    from agent.channel.queue import get_message_store

    return get_message_store().enqueue_outbound(
        touser=touser,
        content=content,
        dedupe_key=dedupe_key,
        payload=payload,
    )


def finish_deal_outcome(
    *,
    ledger: Any,
    work_order_no: str,
    outcome: str,
    facts: dict[str, str] | None,
    quote: dict[str, Any] | None,
    business_line: str,
    sales_name: str = "",
    enqueue: Optional[EnqueueFn] = None,
    notify_ready: Optional[bool] = None,
) -> dict[str, Any]:
    """
    先入主账，再按结果推人或排再问。

    返回 ok / phase / notify_summary。phase：
    已成交 done；未成交 wait_lost_reason；协商中 wait_deal。
    """
    no = (work_order_no or "").strip()
    status = (outcome or "").strip()
    extra: dict[str, Any] = {}
    summary = ""
    if status == "协商中":
        extra["next_followup_at"] = next_followup_at().strftime("%Y-%m-%d %H:%M:%S")
    if status == "已成交":
        staff: list[dict[str, Any]] = []
        lister = getattr(ledger, "list_staff_by_role", None)
        if callable(lister):
            try:
                staff = list(lister(role_code=_role_of(business_line)) or [])
            except Exception:
                logger.exception("成交匹配负责人失败 wo=%s", no)
        leaders = pick_leaders(staff, business_line=business_line, facts=facts)
        ready = notify_app_ready() if notify_ready is None else bool(notify_ready)
        if not leaders:
            summary = "无匹配负责人"
        elif not ready:
            summary = "通知未发出"
        else:
            names = [str(x.get("name") or x.get("wecomId") or "").strip() for x in leaders]
            summary = "已推：" + "、".join(n for n in names if n)
            sender = enqueue or _enqueue_default
            payload = copy.deal_notify_wecom_payload(
                work_order_no=no,
                sales_name=sales_name,
                facts=facts or {},
                quote=quote or {},
                business_line=business_line,
            )
            text = copy.deal_notify_card(
                work_order_no=no,
                sales_name=sales_name,
                facts=facts or {},
                quote=quote or {},
                business_line=business_line,
            )
            for row in leaders:
                uid = str(row.get("wecomId") or "").strip()
                if not uid:
                    continue
                try:
                    ok, info = sender(
                        touser=uid,
                        content=text,
                        dedupe_key=f"deal-notify:{no}:{uid}",
                        payload=dict(payload),
                    )
                    if not ok:
                        logger.warning("成交通知入队失败 wo=%s uid=%s info=%s", no, uid, info)
                except Exception:
                    logger.exception("成交通知入队异常 wo=%s uid=%s", no, uid)
        extra["deal_notify_summary"] = summary
        extra["remark"] = summary
    writer = getattr(ledger, "transition", None)
    if not callable(writer):
        return {"ok": False, "error": "no_transition", "phase": "ledger_fail"}
    result = writer(work_order_no=no, to_status=status, **extra) or {}
    if not result.get("ok"):
        return {"ok": False, "error": result.get("error") or "transition_failed", "phase": "ledger_fail"}
    from agent.policy.event_exception import WAIT_LOST_REASON, clear_wait, start_wait

    if status == "未成交":
        phase = "wait_lost_reason"
        start_wait(ledger, work_order_no=no, wait_kind=WAIT_LOST_REASON)
    elif status == "协商中":
        phase = "wait_deal"
        clear_wait(ledger, work_order_no=no)
    else:
        phase = "done"
        clear_wait(ledger, work_order_no=no)
    return {
        "ok": True,
        "phase": phase,
        "notify_summary": summary,
        "status": status,
        "next_followup_at": str(extra.get("next_followup_at") or ""),
    }


def capture_lost_reason(*, ledger: Any, work_order_no: str, reason: str) -> dict[str, Any]:
    """把销售下一句写进未成交原因。"""
    text = (reason or "").strip()
    no = (work_order_no or "").strip()
    if not no or not text:
        return {"ok": False, "error": "blank"}
    patcher = getattr(ledger, "patch_lost_reason", None)
    if not callable(patcher):
        return {"ok": False, "error": "no_patch"}
    out = patcher(work_order_no=no, lost_reason=text) or {"ok": False}
    if out.get("ok"):
        from agent.policy.event_exception import clear_wait

        clear_wait(ledger, work_order_no=no)
    return out