"""
空运协同群文字意图：激活 / 补含电含磁 / 航线报价 / 锁舱释放 / 成交。

本文件职责：只分类，不写主账、不发企微。
禁止：把「锁舱」写成唯一口令；海运解散不走这里。
"""

from __future__ import annotations

import logging
from typing import Optional

from agent.policy import inquiry_copy as copy
from agent.routing.group_intent import (
    INTENT_CONFIRM_TMS,
    INTENT_DEAL,
    INTENT_DROP_TMS,
    INTENT_FIELDS,
    INTENT_KEEP_TMS,
    INTENT_ADJUST,
    INTENT_LOST,
    INTENT_NEGOTIATE,
    INTENT_OTHER,
    INTENT_QUOTE,
    _hint_confirm_tms,
    _hint_deal_outcome,
    _hint_tms_choice,
)

logger = logging.getLogger(__name__)

INTENT_ACTIVATE = "air_activate"
INTENT_LOCK = "air_lock"
INTENT_RELEASE = "air_release"
INTENT_PICK_OPTION = "air_pick_option"

_VALID = {
    INTENT_ACTIVATE,
    INTENT_LOCK,
    INTENT_RELEASE,
    INTENT_PICK_OPTION,
    INTENT_FIELDS,
    INTENT_QUOTE,
    INTENT_ADJUST,
    INTENT_KEEP_TMS,
    INTENT_DROP_TMS,
    INTENT_CONFIRM_TMS,
    INTENT_DEAL,
    INTENT_LOST,
    INTENT_NEGOTIATE,
    INTENT_OTHER,
}

# 相近说法回退，不是唯一口令。
_LOCK_HINTS = ("锁舱", "锁仓", "锁定舱位", "锁住舱位", "帮我锁舱")
_RELEASE_HINTS = ("释放舱位", "放舱", "解锁舱", "取消锁舱", "释放舱")


def is_missed_air_bot_at(text: str, *, room_already_air: bool = False) -> bool:
    """
    存档里看到用户已经 @ 询价小助手。BOT 长连接没推到时，用这一刀补听。

    海运拉人卡片也带「询价小助手」，必须排除。闲聊没有 @ 仍不当业务。
    """
    raw = (text or "").strip()
    if "询价小助手" not in raw:
        return False
    if "运输方式：海运" in raw or "运输方式:海运" in raw:
        return False
    wo = copy.extract_work_order_no(raw)
    if wo:
        compact = "".join(raw.split())
        return len(compact) < 80
    return bool(room_already_air)


def classify_air_group_text(
    text: str,
    *,
    injected: str = "",
    allow_network: Optional[bool] = None,
) -> str:
    """
    空运群一句文字的意图。单测可注入；正式走模型。

    锁舱/释放优先于成交，避免「锁舱成交」误伤。
    """
    hint = (injected or "").strip()
    if hint in _VALID:
        return hint
    raw = (text or "").strip()
    if not raw:
        return INTENT_OTHER
    locked = _hint_lock_or_release(raw)
    if locked:
        return locked
    # wo_plus_deal_not_activate：工单号+成交跟进同一句先关单，不能只当激活。
    closed = _hint_deal_outcome(raw)
    if copy.extract_work_order_no(raw) and closed:
        return closed
    # 只发工单号先当激活，不要先打模型；WO + 12 位数字也会被费用行误认成金额。
    if copy.extract_work_order_no(raw) and _only_work_order(raw):
        return INTENT_ACTIVATE
    try:
        from agent.config import get_settings

        settings = get_settings()
        use_net = (
            allow_network
            if allow_network is not None
            else bool(getattr(settings, "llm_allow_network", False))
        )
        if use_net and getattr(settings, "llm_data_usage_confirmed", False):
            got = _classify_with_model(raw, settings)
            if got in _VALID:
                return got
    except Exception:
        logger.exception("空运群意图模型失败，回退规则")
    from agent.llm.extract_text import extract_air_collab_fields, extract_product_quote
    from agent.schema.quote_adjust import extract_adjust

    if extract_adjust(raw).is_adjust:
        return INTENT_ADJUST
    if extract_product_quote(raw):
        return INTENT_QUOTE
    confirmed = _hint_confirm_tms(raw)
    if confirmed:
        return confirmed
    hinted = _hint_tms_choice(raw)
    if hinted:
        return hinted
    closed = _hint_deal_outcome(raw)
    if closed:
        return closed
    if extract_air_collab_fields(raw):
        return INTENT_FIELDS
    if _looks_like_option(raw):
        return INTENT_PICK_OPTION
    return INTENT_OTHER


def _hint_lock_or_release(text: str) -> str:
    blob = (text or "").replace(" ", "").replace("　", "")
    if any(x in blob for x in _RELEASE_HINTS):
        return INTENT_RELEASE
    if any(x in blob for x in _LOCK_HINTS):
        return INTENT_LOCK
    return ""


def _only_work_order(text: str) -> bool:
    """去掉工单号和 @询价小助手 后几乎没字，当作激活/切单。"""
    no = copy.extract_work_order_no(text)
    rest = (text or "").replace(no, "").replace(no.lower(), "")
    rest = rest.replace("@询价小助手", "").replace("询价小助手", "")
    rest = "".join(ch for ch in rest if ch.isalnum() or "\u4e00" <= ch <= "\u9fff")
    return not rest.strip()


def _looks_like_option(text: str) -> bool:
    blob = (text or "").replace(" ", "").upper()
    return blob.startswith("AIR-OPT") or blob.startswith("AIROPT")


def _classify_with_model(text: str, settings) -> str:
    from agent.llm.http_client import LlmHttpClient
    from agent.llm.modes import LlmMode

    client = LlmHttpClient.from_settings(settings)
    system = (
        "你是空运协同群意图分类。只回复一个英文词，不要解释。"
        "air_lock=航线要锁舱；air_release=航线要释放舱位；"
        "air_activate=只是指定/切换工单号；"
        "air_pick_option=在选舱位选项编号；"
        "collab_fields=在补是否含电/是否含磁；"
        "quote_adjust=销售在调已有费用，口令不写死（上升、往上抬、加一成、改到某金额都算），不是新产品报价；"
        "product_quote=航线在报价格或费用（含具体金额）；"
        "quote_confirm_tms=确认沿用当前TMS报价；"
        "quote_keep_tms=要在已有TMS报价上改；"
        "quote_drop_tms=不要TMS、只用刚报的价；"
        "deal_won=销售确认成交；deal_lost=销售确认未成交；"
        "deal_negotiate=销售要继续协商；"
        "other=闲聊。"
        "一句话里既有锁舱又有工单号，回 air_lock。"
        "一句话里既有工单号又确认成交/未成交/协商中，回 deal_won/deal_lost/deal_negotiate，不要回 air_activate。"
        "改已有费用优先 quote_adjust；新报价格才是 product_quote。"
    )
    data = client.chat(
        mode=LlmMode.ORDERED_ACTIONS,
        messages=[
            {"role": "system", "content": system},
            {"role": "user", "content": text[:500]},
        ],
    )
    got = str((data or {}).get("content") or "").strip().split()[0] if data else ""
    return got if got in _VALID else ""