"""
意图：空运协同群入站（BOT @ 之后的文字或附件）。

本文件职责：激活/切单后交给 air_group_ops。海运应用群不进这里。
禁止：存档文字当业务；锁舱用当前工单去猜；套 sea_group_ops 建群。
"""

from __future__ import annotations

import logging
from typing import Any, Optional

from agent.channel.wecom.models import InboundMessage
from agent.policy import inquiry_copy as copy
from agent.policy.air_group_ops import (
    is_air_ticket,
    activate_ticket,
    apply_air_confirm_tms,
    apply_air_deal,
    apply_air_fields,
    apply_air_file,
    apply_air_lock,
    apply_air_quote,
    apply_air_release,
    apply_air_tms_choice,
    current_ticket,
    peek_air_pending,
    resolve_cabin_ticket,
)
from agent.policy.air_text_flow import get_air_text_flow
from agent.policy.sea_group_ops import (
    capture_group_lost_reason,
    group_client_of,
    is_handoff_ticket,
    send_group_text,
    ticket_view,
)
from agent.routing.air_group_intent import (
    INTENT_ACTIVATE,
    INTENT_ADJUST,
    INTENT_CONFIRM_TMS,
    INTENT_DEAL,
    INTENT_DROP_TMS,
    INTENT_FIELDS,
    INTENT_KEEP_TMS,
    INTENT_LOCK,
    INTENT_LOST,
    INTENT_NEGOTIATE,
    INTENT_OTHER,
    INTENT_PICK_OPTION,
    INTENT_QUOTE,
    INTENT_RELEASE,
    classify_air_group_text,
)

logger = logging.getLogger(__name__)


def _attach_bot_client(engine, message: InboundMessage) -> None:
    """
    每次入站换一次 BOT 出站客户端。

    测试注入的 FakeBotGroup 不动。
    有 response_url 也不走 stream；空运群正文一律走桥。
    把这次入站的 aibot_req_id 带给桥，群里才能引用原 @。
    不能复用上一次 @ 的过期 url。
    """
    from agent.channel.aibot.reply import AibotReplyClient

    existing = engine.group_client()
    if existing is not None and not isinstance(existing, AibotReplyClient):
        return
    engine._group_client = AibotReplyClient(
        str((message.raw or {}).get("response_url") or ""),
        callback_req_id=str((message.raw or {}).get("aibot_req_id") or ""),
    )


def handle_air_group(
    message: InboundMessage,
    *,
    flow=None,
    ledger=None,
    injected_intent: str = "",
    injected_quote: Optional[dict[str, Any]] = None,
) -> str:
    """
    空运群入站：文字必须 @ BOT；附件走会话存档，不能 @。

    航线 Excel/PDF 当报价；别人的只存档。无 sender_id 拒绝。
    BOT 与存档 msgid 对不上：同一句只办一遍，存档后到就跳过，再 @ 仍回。
    """
    if (message.chat_type or "") != "group":
        return "group_ignore"
    if not message.has_sender():
        return "reject_no_sender"
    engine = flow or get_air_text_flow()
    if ledger is not None:
        engine.ledger = ledger
    _attach_bot_client(engine, message)
    chat_id = (message.chat_id or "").strip()
    if not chat_id:
        return "group_ignore"
    kind = (message.msg_type or "text").lower()
    if kind in {"file", "image", "video"}:
        return _handle_file(engine, message)
    text = message.content or ""
    from agent.redis_coord.air_inbound import mark_air_text, should_skip_air_text

    if should_skip_air_text(
        chat_id=chat_id,
        sender_id=message.sender_id,
        text=text,
        raw=message.raw,
    ):
        return "duplicate_inbound"
    mark_air_text(chat_id=chat_id, sender_id=message.sender_id, text=text)
    wo = copy.extract_work_order_no(text)
    if wo:
        from agent.policy.multi_group_ops import handle_multi_inbound, ticket_is_multi

        getter = getattr(engine.ledger, "get_ticket", None)
        raw_ticket = getter(work_order_no=wo) if callable(getter) else None
        if raw_ticket is not None and ticket_is_multi(raw_ticket):
            return handle_multi_inbound(
                flow=engine,
                ticket=raw_ticket,
                chat_id=chat_id,
                sender_id=message.sender_id,
                text=text,
                injected_quote=injected_quote,
            )
        from agent.policy.handoff_human import try_commit_air_group_handoff

        handed = try_commit_air_group_handoff(engine, chat_id=chat_id, work_order_no=wo)
        if handed:
            return handed
    intent = classify_air_group_text(text, injected=injected_intent)
    logger.info(
        "air_group 文字 chat=%s sender=%s intent=%s wo=%s",
        chat_id,
        message.sender_id,
        intent,
        wo or "-",
    )
    if intent in {INTENT_LOCK, INTENT_RELEASE}:
        return _handle_cabin(
            engine,
            message,
            intent=intent,
            work_order_no=wo,
            injected_quote=injected_quote,
        )
    ticket = None
    if wo:
        ticket, phase = activate_ticket(
            flow=engine,
            chat_id=chat_id,
            work_order_no=wo,
            speak=intent == INTENT_ACTIVATE or _should_speak_activate(intent),
        )
        if ticket is None:
            return phase
        if is_handoff_ticket(ticket):
            logger.info("air_group 转人工不再跟 chat=%s", chat_id)
            return "handoff_ignore"
        if intent == INTENT_ACTIVATE:
            return phase
    else:
        ticket = current_ticket(engine, chat_id)
        if ticket is None or not is_air_ticket(ticket):
            send_group_text(group_client_of(engine), chat_id, copy.air_need_work_order())
            return "need_work_order"
    if is_handoff_ticket(ticket):
        logger.info("air_group 转人工不再跟 chat=%s", chat_id)
        return "handoff_ignore"
    from agent.policy.system_exception import reply_paused_ticket, ticket_is_paused

    if ticket_is_paused(ticket):
        reply_paused_ticket(
            ticket=ticket,
            reply=lambda text: send_group_text(group_client_of(engine), chat_id, text),
        )
        return "system_exception_paused"
    return _handle_bound(
        engine,
        message,
        ticket=ticket,
        intent=intent,
        injected_quote=injected_quote,
    )


def _handle_file(engine, message: InboundMessage) -> str:
    """
    存档听到的附件（发文件不能 @）。句中/文件名有工单号先切单；没有就跟当前单。
    """
    chat_id = message.chat_id
    media = dict(message.media or {})
    filename = str(
        media.get("filename") or media.get("FileName") or (message.content or "")
    ).strip()
    wo = copy.extract_work_order_no(
        " ".join([message.content or "", filename])
    )
    if wo:
        ticket, phase = activate_ticket(
            flow=engine, chat_id=chat_id, work_order_no=wo, speak=False
        )
        if ticket is None:
            return phase
    else:
        ticket = current_ticket(engine, chat_id)
        if ticket is None or not is_air_ticket(ticket):
            send_group_text(group_client_of(engine), chat_id, copy.air_need_work_order())
            return "need_work_order"
    if is_handoff_ticket(ticket):
        logger.info("air_group 转人工不再跟 chat=%s", chat_id)
        return "handoff_ignore"
    return apply_air_file(
        flow=engine,
        ticket=ticket,
        sender_id=message.sender_id,
        filename=filename,
        media=media,
        chat_id=chat_id,
    )


def _should_speak_activate(intent: str) -> bool:
    """带工单号又办事时，先切单再办事；切单摘要只在纯激活时说，避免刷屏。"""
    return intent in {INTENT_ACTIVATE, INTENT_OTHER}


def _handle_cabin(
    engine,
    message: InboundMessage,
    *,
    intent: str,
    work_order_no: str,
    injected_quote: Optional[dict[str, Any]],
) -> str:
    _ = injected_quote
    chat_id = message.chat_id
    if not work_order_no:
        send_group_text(group_client_of(engine), chat_id, copy.air_lock_need_work_order())
        return "cabin_need_work_order"
    ticket, phase = resolve_cabin_ticket(
        flow=engine,
        chat_id=chat_id,
        work_order_no=work_order_no,
        allow_terminal=intent == INTENT_RELEASE,
    )
    if ticket is None:
        return phase
    if intent == INTENT_RELEASE:
        return apply_air_release(
            flow=engine,
            ticket=ticket,
            sender_id=message.sender_id,
            chat_id=chat_id,
            instruction=message.content or "",
        )
    return apply_air_lock(
        flow=engine,
        ticket=ticket,
        sender_id=message.sender_id,
        chat_id=chat_id,
        instruction=message.content or "",
    )


def _handle_bound(
    engine,
    message: InboundMessage,
    *,
    ticket: object,
    intent: str,
    injected_quote: Optional[dict[str, Any]],
) -> str:
    chat_id = message.chat_id
    lost = capture_group_lost_reason(
        flow=engine,
        ticket=ticket,
        sender_id=message.sender_id,
        text=message.content or "",
    )
    if lost:
        return lost
    facts = dict(ticket_view(ticket).get("collab_facts") or {})
    if intent == INTENT_PICK_OPTION or (
        intent == INTENT_OTHER and str(facts.get("__pending_air_lock") or "") == "1"
    ):
        option = _option_from_text(message.content or "")
        if option:
            return apply_air_lock(
                flow=engine,
                ticket=ticket,
                sender_id=message.sender_id,
                chat_id=chat_id,
                instruction=message.content or "",
                option_no=option,
            )
    if intent in {INTENT_DEAL, INTENT_LOST, INTENT_NEGOTIATE}:
        outcome = {
            INTENT_DEAL: "已成交",
            INTENT_LOST: "未成交",
            INTENT_NEGOTIATE: "协商中",
        }[intent]
        return apply_air_deal(
            flow=engine,
            ticket=ticket,
            sender_id=message.sender_id,
            outcome=outcome,
            chat_id=chat_id,
        )
    if intent == INTENT_CONFIRM_TMS:
        return apply_air_confirm_tms(
            flow=engine, ticket=ticket, sender_id=message.sender_id, chat_id=chat_id
        )
    if intent in {INTENT_KEEP_TMS, INTENT_DROP_TMS}:
        return apply_air_tms_choice(
            flow=engine,
            ticket=ticket,
            sender_id=message.sender_id,
            chat_id=chat_id,
            keep_tms=intent == INTENT_KEEP_TMS,
        )
    if intent == INTENT_FIELDS:
        return apply_air_fields(
            flow=engine,
            ticket=ticket,
            text=message.content or "",
            sender_id=message.sender_id,
            chat_id=chat_id,
        )
    if intent == INTENT_ADJUST:
        from agent.policy.quote_adjust_ops import apply_group_adjust

        return apply_group_adjust(
            flow=engine,
            ticket=ticket,
            sender_id=message.sender_id,
            text=message.content or "",
            sess=None,
            chat_id=chat_id,
        )
    if intent == INTENT_QUOTE:
        return apply_air_quote(
            flow=engine,
            ticket=ticket,
            text=message.content or "",
            sender_id=message.sender_id,
            chat_id=chat_id,
            injected_quote=injected_quote,
        )
    if peek_air_pending(ticket):
        send_group_text(group_client_of(engine), chat_id, copy.group_tms_choice_unclear())
        return "wait_tms_choice"
    logger.info("air_group 其它意图 chat=%s intent=%s", chat_id, intent)
    return "group_ignore"


def _option_from_text(text: str) -> str:
    blob = (text or "").replace(" ", "").upper()
    if "AIR-OPT" in blob or "AIROPT" in blob:
        start = blob.find("AIR")
        token = []
        for ch in blob[start:]:
            if ch.isalnum() or ch == "-":
                token.append(ch)
            else:
                break
        return "".join(token)
    return ""