/* =============================================================================
 * M02_MasterTemplete_Labor_Rows.ts
 * 일위대가 담은 로직 표 · 자재목록 표(39-3) — 상세 · 보기 갈래(면적산출 오른쪽 패널 · 카드)가 같이 씀.
 * 담은 로직 = 차례 · 로직(키 · 이름 + 작은 글 「지역 서울 · 규격 25mm · 수량 B6 = 12.5㎡」 · 「빈 값 n」 붉게) ·
 * 결과 단위 · 금액 칸 넷(노무비 · 재료비 · 경비 · 합계 · 칸마다 위 기준 작게 / 아래 반영) · 맨 아래 합계 줄.
 * 자재목록 = 코드 · 이름 · 규격 · 단위 · 수량 · 기준 단가 · 반영 금액. 금액은 calc 답(없으면 「…」).
 * 줄 누름 · 순서 단추는 `on` 이 있을 때만(보기 갈래 = 없음).
 * ========================================================================== */

import { createButton, el } from "@ui/ui_template_elements";
import { formatMoney } from "../M01_MasterData/M01_MasterData_UI_Logic_Money";
import type { ItemLogic } from "./M02_MasterTemplete_Api_Fetch";
import type {
  LaborCalc,
  LaborCalcLine,
  LaborCalcMat,
  LaborCost,
  LaborMat,
  LaborRow,
} from "./M02_MasterTemplete_Labor_Api";
import { tc } from "./M02_MasterTemplete_Labor_Text";
import "./M02_MasterTemplete_Labor.css";
import { valueLine } from "./M02_Labor_Values_Model";

const COSTS = ["노무비", "재료비", "경비", "계"] as const;
const HEAD: Record<(typeof COSTS)[number], Parameters<typeof tc>[0]> = {
  노무비: "Prev_Labor",
  재료비: "Prev_Material",
  경비: "Prev_Expense",
  계: "Prev_Sum",
};

const num = (v: number): string =>
  Number(v.toPrecision(12)).toLocaleString("ko-KR", { maximumFractionDigits: 6 });

/** 수량 글 — 「수량 손 3 개소」 · 「수량 B6 = 12.5 ㎡」 · 없으면 빈 글 */
export function qtyText(
  line: { 수량: number | null; 수량출처: string | null } | undefined,
  unit: string,
): string {
  if (!line || line.수량 === null || line.수량 === undefined) return "";
  const v = `${num(line.수량)}${unit ? ` ${unit}` : ""}`;
  if (!line.수량출처 || line.수량출처 === "손")
    return `${tc("Labor_Qty")} ${tc("In_QtyHand")} ${v}`;
  return `${tc("Labor_Qty")} ${line.수량출처} = ${v}`;
}

/** 금액 칸 하나 — 위 기준(작게) · 아래 반영 */
function moneyCell(
  base: number | null | undefined,
  applied: number | null | undefined,
  wait: boolean,
): HTMLElement {
  const show = (v: number | null | undefined): string =>
    wait ? "…" : v === null || v === undefined ? "—" : formatMoney(v);
  return el("td", {
    className: "m02-labrow__money",
    children: [
      el("small", {
        className: "m02-labrow__base",
        text: show(base),
        attrs: { title: tc("Labor_Base") },
      }),
      el("span", {
        className: "m02-labrow__applied",
        text: show(applied),
        attrs: { title: tc("Labor_Applied") },
      }),
    ],
  });
}

const table = (heads: string[], rows: HTMLElement[], foot: HTMLElement[]): HTMLElement =>
  el("div", {
    className: "ui-general-block__table-wrap",
    children: [
      el("table", {
        className: "ui-general-block__table m02-labrow",
        children: [
          el("thead", {
            children: [el("tr", { children: heads.map((t) => el("th", { text: t })) })],
          }),
          el("tbody", { children: rows }),
          ...(foot.length ? [el("tfoot", { children: foot })] : []),
        ],
      }),
    ],
  });

/** 줄 누름 · 순서 · 빼기 — 순서 · 빼기가 없으면 그 칸 없음 */
export interface RowHandlers {
  open: (i: number) => void;
  move?: (i: number, d: number) => void;
  remove?: (i: number) => void;
}

export interface LogicTableData {
  rows: LaborRow[];
  logics: Map<string, ItemLogic>;
  /** calc 답 — null = 계산 중 · 못 셈은 `fail` */
  calc: LaborCalc | null;
  fail?: string | null;
}

/** 담은 로직 표 — 보기 갈래는 `on` 없이 */
export function logicTable(data: LogicTableData, on?: RowHandlers): HTMLElement {
  const wait = !data.calc && !data.fail;
  const { move, remove } = on ?? {};
  const tools = !!(move && remove);
  const lineOf = (key: string): LaborCalcLine | undefined =>
    data.calc?.줄.find((l) => l.로직 === key);
  const trs = data.rows.map((row, i) => {
    const logic = data.logics.get(row.로직);
    const line = lineOf(row.로직);
    const unit = logic?.결과단위 ?? "";
    const values = valueLine(logic?.입력 ?? [], row.입력값);
    const qty = qtyText(line, line?.분모 ?? "");
    const note = [values.text, qty].filter(Boolean).join(" · ");
    const why = line?.까닭 ?? (data.fail && i === 0 ? data.fail : null);
    const small = (label: string, run: () => void): HTMLElement =>
      createButton({
        label,
        variant: "ghost",
        size: "sm",
        onClick: (e) => {
          e.stopPropagation(); // 줄 누름(입력 모달)과 따로
          run();
        },
      });
    const tr = el("tr", {
      className: on ? "m02-labrow__row is-open" : "m02-labrow__row",
      attrs: { "data-labor-logic": row.로직 },
      children: [
        el("td", { text: String(i + 1) }),
        el("td", {
          className: "m02-labrow__name",
          children: [
            el("span", { className: "m02-labrow__key", text: row.로직 }),
            el("strong", { text: logic?.이름 ?? row.로직 }),
            ...(note ? [el("small", { className: "m02-labrow__note", text: note })] : []),
            ...(values.empty
              ? [
                  el("small", {
                    className: "m02-labrow__empty",
                    text: tc("Labor_Empty").replace("{n}", String(values.empty)),
                  }),
                ]
              : []),
            ...(row.메모 ? [el("small", { className: "m02-labrow__note", text: row.메모 })] : []),
            ...(why
              ? [
                  el("small", {
                    className: "m02-labrow__empty",
                    text: `${tc("Labor_Calc_Fail")}: ${why}`,
                  }),
                ]
              : []),
          ],
        }),
        el("td", { text: unit }),
        ...COSTS.map((c) => moneyCell(line?.기준?.[c], line?.반영?.[c], wait)),
        ...(move && remove
          ? [
              el("td", {
                className: "m02-labrow__move",
                children: [
                  small(tc("Up"), () => move(i, -1)),
                  small(tc("Down"), () => move(i, 1)),
                  small(tc("Remove"), () => remove(i)),
                ],
              }),
            ]
          : []),
      ],
    });
    if (on) tr.addEventListener("click", () => on.open(i));
    return tr;
  });
  const sum = (part: Partial<LaborCost> | undefined, c: (typeof COSTS)[number]): number | null =>
    part?.[c] ?? null;
  const foot = data.rows.length
    ? [
        el("tr", {
          className: "m02-labrow__sum",
          children: [
            el("td", { text: "" }),
            el("td", { text: tc("Prev_Sum") }),
            el("td", { text: "" }),
            ...COSTS.map((c) =>
              moneyCell(sum(data.calc?.기준합, c), sum(data.calc?.반영합, c), wait),
            ),
            ...(tools ? [el("td", { text: "" })] : []),
          ],
        }),
      ]
    : [];
  const heads = [
    tc("Col_Order"),
    tc("Col_Name"),
    tc("Col_Unit"),
    ...COSTS.map((c) => tc(HEAD[c])),
    ...(tools ? [tc("Col_Move")] : []),
  ];
  return data.rows.length
    ? table(heads, trs, foot)
    : el("p", { className: "m02-labrow__muted", text: tc("NoLogic") });
}

export interface MatTableData {
  mats: LaborMat[];
  calc: LaborCalc | null;
  fail?: string | null;
}

/** 자재목록 표 — 보기 갈래는 `on` 없이 */
export function matTable(data: MatTableData, on?: Omit<RowHandlers, "move">): HTMLElement {
  const wait = !data.calc && !data.fail;
  const remove = on?.remove;
  const show = (v: number | null | undefined): string =>
    wait ? "…" : v === null || v === undefined ? "—" : formatMoney(v);
  const trs = data.mats.map((mat, i) => {
    const line: LaborCalcMat | undefined = data.calc?.자재.find((m) => m.코드 === mat.코드);
    const qty = line?.수량 === null || line?.수량 === undefined ? "" : num(line.수량);
    const tr = el("tr", {
      className: on ? "m02-labrow__row is-open" : "m02-labrow__row",
      attrs: { "data-labor-mat": mat.코드 },
      children: [
        el("td", { text: mat.코드 }),
        el("td", {
          className: "m02-labrow__name",
          children: [
            el("strong", { text: mat.이름 ?? "" }),
            ...(line?.까닭
              ? [el("small", { className: "m02-labrow__empty", text: line.까닭 })]
              : []),
          ],
        }),
        el("td", { text: mat.규격 ?? "" }),
        el("td", { text: mat.단위 ?? "" }),
        el("td", {
          className: "m02-labrow__num",
          text: qty,
          attrs: { title: line?.수량출처 ?? "" },
        }),
        el("td", { className: "m02-labrow__num", text: show(line?.기준단가) }),
        el("td", { className: "m02-labrow__num", text: show(line?.반영) }),
        ...(remove
          ? [
              el("td", {
                className: "m02-labrow__move",
                children: [
                  createButton({
                    label: tc("Remove"),
                    variant: "ghost",
                    size: "sm",
                    onClick: (e) => {
                      e.stopPropagation();
                      remove(i);
                    },
                  }),
                ],
              }),
            ]
          : []),
      ],
    });
    if (on) tr.addEventListener("click", () => on.open(i));
    return tr;
  });
  const heads = [
    tc("Labor_Code"),
    tc("Col_Name"),
    tc("Labor_Spec"),
    tc("Col_Unit"),
    tc("Labor_Qty"),
    tc("Labor_BasePrice"),
    tc("Labor_AppliedSum"),
    ...(remove ? [tc("Col_Move")] : []),
  ];
  return data.mats.length
    ? table(heads, trs, [])
    : el("p", { className: "m02-labrow__muted", text: tc("Labor_NoMat") });
}