"""
意图：海运协同群里补协同字段。

本文件职责：群聊文字 → 只抽协同六字段 → 静默写主账。
禁止：回「已记下」；把闲聊/报价金额写成报价版本；改工单六态。
"""

from __future__ import annotations

import logging

from agent.channel.wecom.models import InboundMessage
from agent.llm.extract_text import extract_collab_fields
from agent.policy.sea_text_flow import get_sea_text_flow
from agent.schema.field_validate import SEA_COLLAB_FIELDS

logger = logging.getLogger(__name__)


def handle_group_collab(
    message: InboundMessage,
    *,
    flow=None,
    ledger=None,
) -> str:
    """
    处理一条群聊文字。

    必须能对上已绑定工单，且发言人是被拉进来的销售或产品。
    识别到协同字段才写库；否则忽略。不回复。
    """
    if (message.chat_type or "") != "group":
        return "group_ignore"
    if not message.has_sender():
        return "reject_no_sender"
    engine = flow or get_sea_text_flow()
    book = ledger or engine.ledger
    chat_id = (message.chat_id or "").strip()
    if not chat_id:
        return "group_ignore"

    ticket = _find_ticket(book, chat_id)
    if ticket is None:
        return "group_ignore"
    if not _sender_allowed(ticket, message.sender_id):
        logger.info("group_collab 忽略非成员 sender=%s chat=%s", message.sender_id, chat_id)
        return "group_ignore"

    facts = extract_collab_fields(message.content or "")
    if not facts:
        return "group_ignore"

    if isinstance(ticket, dict):
        wo = str(ticket.get("work_order_no") or "")
    else:
        wo = str(getattr(ticket, "work_order_no", "") or "")
    if not wo:
        return "group_ignore"

    engine.apply_collab_facts(
        work_order_no=wo,
        facts=facts,
        sender_id=message.sender_id,
    )
    logger.info(
        "group_collab 写入 wo=%s keys=%s sender=%s",
        wo,
        sorted(k for k in facts if k in SEA_COLLAB_FIELDS),
        message.sender_id,
    )
    return "collab_field_saved"


def _find_ticket(book: object, chat_id: str):
    finder = getattr(book, "find_by_collab_chat", None)
    if callable(finder):
        return finder(chat_id=chat_id)
    return None


def _sender_allowed(ticket: object, sender_id: str) -> bool:
    uid = (sender_id or "").strip()
    if not uid:
        return False
    if isinstance(ticket, dict):
        sales = str(ticket.get("sales_wecom_id") or ticket.get("salesWecomId") or "")
        members = ticket.get("collab_member_ids") or ticket.get("memberIds") or []
    else:
        sales = str(getattr(ticket, "sales_wecom_id", "") or "")
        members = list(getattr(ticket, "collab_member_ids", []) or [])
    if uid == sales:
        return True
    return uid in {str(x) for x in members}