"""质检工单级结论：由下属任务 conclusion 派生（合格/不合格）。"""

from __future__ import annotations

from typing import Any, Dict, Iterable, List, Optional

_WORK_ORDER_QC_CONCLUSION_LABELS = {
    "tg": "合格",
    "btg": "不合格",
}


def derive_work_order_qc_conclusion(task_conclusions: Iterable[Optional[str]]) -> str:
    """与短信模块规则一致：任一 btg → btg；全部 tg → tg；否则空。"""
    conclusions = [(c or "").strip() for c in task_conclusions]
    if not conclusions:
        return ""
    if any(c == "btg" for c in conclusions):
        return "btg"
    if all(c == "tg" for c in conclusions):
        return "tg"
    return ""


def work_order_qc_conclusion_label(code: Optional[str]) -> str:
    return _WORK_ORDER_QC_CONCLUSION_LABELS.get((code or "").strip(), "")


def build_qc_conclusion_fields(
    task_conclusions: Iterable[Optional[str]],
) -> Dict[str, str]:
    code = derive_work_order_qc_conclusion(task_conclusions)
    return {
        "qcConclusion": code,
        "qcConclusionLabel": work_order_qc_conclusion_label(code),
    }