/* =============================================================================
 * M01_MasterData_UI_LogicLab_Modal.ts
 * 호표 줄 자료 모달 — 그 줄이 쓰는 자료를 보임
 * 표(소요량·계수)는 표 그대로 + 지금 넣은 값으로 걸린 줄 강조 · 단일 값(단가)은 값과 출처
 * 표 읽기 = `/elements` → `/table`(`Logic_Note.loadTable`) · 단가 = 로직 화면이 이미 받은 `prices`
 * ========================================================================== */

import { createButton, el } from "@ui/ui_template_elements";
import type { ElementBrief, NamedFormula } from "./M01_MasterData_UI_Logic_Api";
import { formatNumber } from "./M01_MasterData_UI_Logic_Edit";
import {
  loadTable,
  matchRow,
  relatedFinds,
  type RelatedFind,
  type TableRow,
} from "./M01_MasterData_UI_Logic_Note";
import { tl } from "./M01_MasterData_UI_LogicLab_Text";

export interface ModalTarget {
  title: string;
  /** 수량 식(호표 줄) · 덧줄은 그 식 */
  expr: string;
  /** 호표 줄의 단가 요소 키 — 덧줄은 없음 */
  element?: string;
  prices: Record<string, ElementBrief | null>;
  middles: NamedFormula[];
  /** 시험 계산 칸에 넣은 값 — 걸린 줄을 맞히는 데 씀 */
  values: Record<string, string>;
}

function tableView(
  find: RelatedFind,
  table: TableRow,
  values: Record<string, string>,
): HTMLElement {
  // 표 줄의 빈 칸은 「무엇이든」 — 서버 찾기()와 같게 그 칸은 조건에서 뺌
  const hit =
    (table.줄 ?? []).find((line) =>
      matchRow(
        { ...table, 줄: [line] },
        find.find.conds.filter(
          ([col]) => line[col] !== undefined && line[col] !== null && line[col] !== "",
        ),
        { values, middle: {} },
      ),
    ) ?? null;
  const cols = [...Object.keys(table.조건 ?? {}), ...Object.keys(table.값칸 ?? {})];
  const rows = (table.줄 ?? []).map((line) =>
    el("tr", {
      className: hit === line ? "m01lab__hit" : "",
      attrs: hit === line ? { "data-hit": "1" } : {},
      children: cols.map((c) => el("td", { text: formatNumber(line[c]) })),
    }),
  );
  const use = table.용도
    ? [table.용도.공종, (table.용도.대상 ?? []).join("·")].filter(Boolean).join(" · ")
    : "";
  return el("div", {
    className: "m01lab__data",
    attrs: { "data-table": table.키 },
    children: [
      el("strong", { text: `${table.원문번호 ?? ""} ${table.이름 ?? table.키} · ${table.키}` }),
      el("p", {
        className: "m01-logic__muted",
        text: [`${tl("Modal_Source")} ${table.출처 ?? ""}`, use].filter(Boolean).join(" · "),
      }),
      el("p", {
        className: "m01-logic__muted",
        text: `${find.source} → ${find.find.col} · ${hit ? tl("Modal_Hit") : tl("Modal_NoHit")}`,
      }),
      el("div", {
        className: "m01-logic__scroll",
        children: [
          el("table", {
            className: "m01-logic__grid m01lab__table",
            children: [
              el("thead", {
                children: [el("tr", { children: cols.map((c) => el("th", { text: c })) })],
              }),
              el("tbody", { children: rows }),
            ],
          }),
        ],
      }),
    ],
  });
}

function priceView(ref: string, brief: ElementBrief): HTMLElement {
  const cols = Object.entries(brief.값칸 ?? {});
  return el("div", {
    className: "m01lab__data",
    attrs: { "data-price": ref },
    children: [
      el("strong", { text: `${brief.이름 ?? ref} · ${ref}` }),
      el("dl", {
        className: "m01-logic__sums",
        children: [
          ...(brief.규격
            ? [el("dt", { text: tl("Modal_Spec") }), el("dd", { text: brief.규격 })]
            : []),
          el("dt", { text: tl("Modal_Value") }),
          el("dd", { className: "m01-logic__money", text: formatNumber(brief.값) }),
          ...(brief.file
            ? [el("dt", { text: tl("Modal_Source") }), el("dd", { text: brief.file })]
            : []),
          ...cols.flatMap(([k, v]) => [el("dt", { text: k }), el("dd", { text: String(v) })]),
        ],
      }),
    ],
  });
}

/** 모달을 엶 */
export function openMaterialModal(target: ModalTarget): void {
  const body = el("div", { className: "m01lab__modal-body" });
  const close = (): void => backdrop.remove();
  const dialog = el("div", {
    className: "m01-logic__pick m01lab__modal",
    attrs: { role: "dialog", "aria-label": target.title },
    children: [
      el("div", {
        className: "m01lab__modal-top",
        children: [
          el("h3", { text: target.title }),
          createButton({ label: tl("Modal_Close"), variant: "ghost", onClick: close }),
        ],
      }),
      body,
    ],
  });
  const backdrop = el("div", { className: "m01-logic__backdrop", children: [dialog] });
  backdrop.addEventListener("click", (ev) => ev.target === backdrop && close());
  backdrop.addEventListener("keydown", (ev) => ev.key === "Escape" && close());

  const parts: HTMLElement[] = [
    el("p", { className: "m01-logic__muted", text: tl("Modal_Qty") }),
    el("pre", { className: "m01lab__expr", text: target.expr }),
  ];
  const finds = relatedFinds(target.expr, target.middles);
  const price = target.element ? target.prices[target.element] : undefined;
  if (target.element?.startsWith("로직(")) {
    parts.push(el("p", { text: `${tl("Modal_Logic")} · ${target.element}` }));
  } else if (price) {
    parts.push(
      el("p", { className: "m01-logic__muted", text: tl("Modal_Price") }),
      priceView(target.element as string, price),
    );
  }
  const tables = el("div", { className: "m01lab__tables" });
  parts.push(tables);
  if (!finds.length && !price && !target.element?.startsWith("로직(")) {
    parts.push(el("p", { className: "m01-logic__muted", text: tl("Modal_NoData") }));
  }
  body.replaceChildren(...parts);
  document.body.append(backdrop);
  dialog.tabIndex = -1;
  dialog.focus();

  void Promise.all(finds.map(async (f) => ({ f, table: await loadTable(f.find.table) }))).then(
    (got) =>
      tables.replaceChildren(
        ...got.map(({ f, table }) =>
          table
            ? tableView(f, table, target.values)
            : el("p", { className: "m01-logic__bad", text: `${f.find.table} ?` }),
        ),
      ),
  );
}