/* =============================================================================
 * line_stack_machine.ts
 * 줄 쌓기 기계 창(PLAN 827-1 · 836-1 · 요구 810 · 846 · 853) — 기계 줄 이름 단추 · 옵션 가로 [조회]가 띄움 = 찾기 · 바꾸기만
 *   왼쪽 = 기계 찾기 — 맨 위 「지금 이 줄」 · 이 단가산출 옛 초안 · 개인 층 내 기계 · M01 기계(줄마다 시간당)
 *   오른쪽 = 고른 기계 이름 · 시간당 · 사본 표지(이 단가산출에 복사된 값 · 원본 새 값) · [이 기계로 바꾸기] = `pick`
 *   기계 내부 값 고침 = 단가산출 왼쪽 기계 제어 구역(`line_stack_machine_ctl` · 836-1) — 이 창의 양식 · [고쳐 쓰기] 걷음
 *     (단가산출 안 고침은 내 기계를 만들지 않음 · 내 기계 목록 · 개인관리 화면은 그대로)
 * ========================================================================== */

import { createButton } from "@ui/ui_template_button";
import { createDataTable } from "@ui/ui_template_data_table";
import { createInputField, el, showToast } from "@ui/ui_template_elements";
import { openModal } from "@ui/ui_template_modal";
import { createText } from "@ui/ui_template_text";
import { isDraftNo, type DraftItem } from "../common_util/common_util_line_stack_draft";
import type { Picked } from "../common_util/common_util_line_stack_pick";
import { call, type Layer } from "../M02_MasterTemplete/M02_MasterTemplete_Api_Fetch";
import {
  listMyMachines,
  machineArg,
  machineRows,
  type MachineBrief,
  type MyHourly,
  type MyMachineRow,
} from "../M02_MasterTemplete/M02_MyMachine_Api";
import { hourlyText } from "../M02_MasterTemplete/M02_MyMachine_Form";
import { mt } from "../M02_MasterTemplete/M02_MyMachine_Text";
import { lt } from "./line_stack_text";

/** 사본 줄(서버 `copy_row`) — 키 · 이름 · 규격 */
interface CopyRowData {
  키: string;
  원문번호?: string;
  이름?: string;
  규격?: string;
}
export interface CopyAnswer {
  사본: CopyRowData | null;
  지금: CopyRowData | null;
  새값: boolean;
}

export interface MachineCtx {
  /** 층 · 주인 — null = M01 단가산출 기초(M01 기계만) */
  scope: { layer: Layer; owner: string | null } | null;
  /** 이 SK 키 */
  me?: string;
  /** 이 SK 사본에 박힌 기계 줄(키 있는 M02 SK) */
  copyRow?: (no: string) => Promise<CopyAnswer>;
}

export interface MachineWindowOptions {
  ctx: MachineCtx;
  drafts: DraftItem[];
  /** 지금 줄 기계 입력 글(따옴표 뗌 · 원문번호 · 개인 EQP… · 개인 EQP초안-N) · 없음 = null */
  now: string | null;
  query: string;
  /** 없으면 보기만(옵션 가로 조회) */
  pick?: (p: Picked) => void;
}

type Kind = "now" | "draft" | "mine" | "m01";
interface Cand {
  kind: Kind;
  /** 기계 입력 글 */
  no: string;
  이름: string;
  규격: string;
  계: number | null;
  구분: string;
  draft?: DraftItem;
  mine?: MyMachineRow;
  /** M01 키(EQ…) */
  key?: string;
}
interface Shown {
  name: string;
  spec: string;
  lines: HTMLElement[];
  logic?: string | null;
}

const kindOf = (no: string): Kind =>
  isDraftNo(no) ? "draft" : no.startsWith("개인 ") ? "mine" : "m01";

const hourOf = (h: MyHourly | undefined): number | null => (h?.ok ? (h.계 ?? null) : null);
const same = (a: Cand | undefined, b: Cand | null): boolean =>
  !!a && !!b && a.kind === b.kind && a.no === b.no && a.key === b.key;

export function openMachineWindow(o: MachineWindowOptions): void {
  const { ctx } = o;
  const owner = ctx.scope?.owner ?? null;
  const personal = ctx.scope?.layer === "personal";
  let mines: MyMachineRow[] = [];
  let m01: { ref: string; 이름: string; 규격?: string | null; 구분?: string | null }[] = [];
  const briefs = new Map<string, MachineBrief>();
  let cands: Cand[] = [];
  let sel: Cand | null = null;
  let seq = 0;
  let showSeq = 0;
  let timer = 0;
  let close = (): void => {};

  const search = createInputField({ type: "search", placeholder: mt("Find") });
  search.input.value = o.query;
  const hint = createText("");
  const right = el("div", { className: "lstk-mwin__form", attrs: { "data-mwin-form": "" } });
  const table = createDataTable({
    caption: mt("Win_Title"),
    columns: [
      { key: "품명", label: mt("Name"), width: 150 },
      { key: "규격", label: mt("Spec"), width: 80 },
      { key: "금액", label: mt("Hourly"), kind: "number", decimals: 0, width: 84 },
      { key: "구분", label: mt("Win_Kind"), width: 110 },
    ],
    rows: [],
    rowClass: (i) => (same(cands[i], sel) ? "is-title" : null),
    onRowClick: (i) => {
      if (cands[i]) void choose(cands[i]);
    },
  });

  /* --- 목록 --- */
  const nowCand = (): Cand | null => {
    if (!o.now) return null;
    const d = o.drafts.find((x) => `개인 ${x.표지}` === o.now);
    const m = mines.find((x) => x.원문번호 === o.now);
    const b = [...briefs.values()].find((x) => x.원문번호 === o.now);
    const name = d?.줄.이름 ?? m?.이름 ?? b?.이름 ?? o.now;
    return {
      kind: "now",
      no: o.now,
      이름: name,
      규격: d?.줄.규격 ?? m?.규격 ?? b?.규격 ?? "",
      계: d ? hourOf(d.시간당) : m ? hourOf(m.시간당) : hourOf(b?.시간당),
      구분: mt("Win_Now"),
    };
  };
  const draw = (): void => {
    const words = search.input.value.trim().toLowerCase().split(/\s+/).filter(Boolean);
    const hit = (t: string): boolean => words.every((w) => t.toLowerCase().includes(w));
    const now = nowCand();
    cands = [
      ...(now ? [now] : []),
      ...o.drafts
        .filter((d) => hit(`${d.줄.이름} ${d.줄.규격}`))
        .map((d): Cand => ({
          kind: "draft",
          no: `개인 ${d.표지}`,
          이름: d.줄.이름,
          규격: d.줄.규격,
          계: hourOf(d.시간당),
          구분: mt("Win_Draft"),
          draft: d,
        })),
      ...mines
        .filter((r) => hit(`${r.이름} ${r.규격} ${r.키}`))
        .map((r): Cand => ({
          kind: "mine",
          no: r.원문번호,
          이름: r.이름,
          규격: r.규격,
          계: hourOf(r.시간당),
          구분: `${mt("Pick_Group")} · ${mt(r.방식)}`,
          mine: r,
        })),
      ...m01.map((x): Cand => ({
        kind: "m01",
        no: briefs.get(x.ref)?.원문번호 ?? "",
        이름: x.이름,
        규격: x.규격 ?? "",
        계: hourOf(briefs.get(x.ref)?.시간당),
        구분: [mt("Win_M01"), x.구분].filter(Boolean).join(" · "),
        key: x.ref,
      })),
    ];
    hint.textContent = `${cands.length}`;
    table.setRows(cands.map((c) => ({ 품명: c.이름, 규격: c.규격, 금액: c.계, 구분: c.구분 })));
    void fill();
  };
  /** M01 줄 시간당 — 보이는 앞 40 줄만 뒤에서(색인 메모 · 없는 것만) */
  const fill = async (): Promise<void> => {
    const want = cands
      .filter((c) => c.kind === "m01" && c.key && !briefs.has(c.key))
      .slice(0, 40)
      .map((c) => c.key!);
    if (!want.length) return;
    const mine = seq;
    const got = await machineRows(want).catch(() => []);
    for (const b of got) briefs.set(b.키, b);
    if (mine === seq && got.length) draw();
  };
  const find = async (): Promise<void> => {
    const mine = ++seq;
    const q = search.input.value.trim();
    const got = await call<{ items: typeof m01 }>(
      `/logic-lib/elements?group=${encodeURIComponent("기계")}&q=${encodeURIComponent(q)}&limit=200`,
    ).catch(() => ({ items: [] }));
    if (mine !== seq) return;
    m01 = got.items;
    draw();
  };
  search.input.addEventListener("input", () => {
    draw();
    window.clearTimeout(timer);
    timer = window.setTimeout(() => void find(), 250);
  });

  /* --- 오른쪽 --- */
  const briefOf = async (no: string, key?: string): Promise<MachineBrief | undefined> => {
    const at = key ?? no;
    const have = key ? briefs.get(key) : [...briefs.values()].find((b) => b.원문번호 === no);
    if (have) return have;
    const [got] = await machineRows([at]).catch(() => []);
    if (got) briefs.set(got.키, got);
    return got;
  };

  /** 고른 줄 → 이름 · 글(시간당 · 사본 표지) · 바꿀 식 */
  const resolve = async (c: Cand): Promise<Shown> => {
    const k = c.kind === "now" ? kindOf(c.no) : c.kind;
    const lines: HTMLElement[] = [];
    if (k === "draft") {
      const d = c.draft ?? o.drafts.find((x) => `개인 ${x.표지}` === c.no);
      if (!d) throw new Error(mt("Hourly_None"));
      lines.push(createText(mt("Win_Draft"), "muted"));
      if (d.시간당)
        lines.push(createText(`${mt("Server_Hourly")} ${hourlyText(d.시간당 as MyHourly)}`));
      return { name: d.줄.이름, spec: d.줄.규격, lines, logic: d.시간당?.로직 };
    }
    // 지금 줄 = 이 단가산출 사본 값(있으면)
    const copy = c.kind === "now" && ctx.copyRow ? await ctx.copyRow(c.no).catch(() => null) : null;
    const row = copy?.사본 ?? null;
    if (row) {
      lines.push(createText(mt("Win_Copy"), "muted"));
      if (copy?.새값) lines.push(createText(mt("Win_Newer"), "warning"));
    }
    if (k === "mine") {
      const m = c.mine ?? mines.find((r) => r.원문번호 === c.no);
      if (m) lines.push(createText(`${mt("Server_Hourly")} ${hourlyText(m.시간당)}`));
      return {
        name: row?.이름 ?? m?.이름 ?? c.이름,
        spec: row?.규격 ?? m?.규격 ?? c.규격,
        lines,
        logic: m?.시간당.로직,
      };
    }
    const b = await briefOf(c.no, c.key);
    if (b) lines.push(createText(`${mt("Win_Live")} · ${hourlyText(b.시간당)}`));
    if (!row && !b) throw new Error(mt("Hourly_None"));
    return {
      name: row?.이름 ?? b?.이름 ?? c.이름,
      spec: row?.규격 ?? b?.규격 ?? c.규격,
      lines,
      logic: b?.시간당.ok ? b.시간당.로직 : null,
    };
  };

  const pickedOf = (c: Cand, s: Shown): Picked | null => {
    if (!s.logic) return null;
    const no = c.kind === "mine" && c.mine ? machineArg(c.mine.원문번호) : `'${c.no}'`;
    return { 키: s.logic, 이름: s.name, 입력: { 기계: no }, ...(s.spec ? { 규격: s.spec } : {}) };
  };

  const choose = async (c: Cand): Promise<void> => {
    sel = c;
    table.setRows(cands.map((x) => ({ 품명: x.이름, 규격: x.규격, 금액: x.계, 구분: x.구분 })));
    await show(c);
  };

  async function show(c: Cand): Promise<void> {
    const mine = ++showSeq;
    right.replaceChildren(createText(mt("Server_Hourly"), "muted"));
    let s: Shown;
    try {
      s = await resolve(c);
    } catch (error) {
      if (mine === showSeq)
        right.replaceChildren(
          createText(error instanceof Error ? error.message : mt("Failed"), "error"),
        );
      return;
    }
    if (mine !== showSeq) return;
    const bar: HTMLElement[] = [];
    const p = pickedOf(c, s);
    if (o.pick && c.kind !== "now") {
      const b = createButton({
        label: mt("Win_Swap"),
        variant: "filled",
        size: 28,
        disabled: !p,
        onClick: () => {
          if (!p) return;
          close();
          o.pick!(p);
        },
      });
      b.dataset.mwinSwap = "";
      if (!p) b.title = mt("Pick_Direct");
      bar.push(b);
    }
    right.replaceChildren(
      el("div", {
        className: "ui-toolbar",
        children: [el("strong", { text: `${s.name} ${s.spec}`.trim() }), ...bar],
      }),
      ...s.lines,
      createText(lt("Win_Ctl_Note"), "muted"),
    );
    right.dataset.mwinMode = "view";
  }

  ({ close } = openModal({
    title: mt("Win_Title"),
    closeLabel: mt("Close"),
    width: "1100px",
    wide: true,
    mount: (body) =>
      body.append(
        el("div", {
          className: "lstk-mwin",
          attrs: { "data-machine-window": "" },
          children: [
            el("div", {
              className: "lstk-mwin__list",
              children: [
                el("div", { className: "ui-toolbar", children: [search.root, hint] }),
                table.root,
              ],
            }),
            right,
          ],
        }),
      ),
  }));
  right.replaceChildren(createText(mt("Win_Hint"), "muted"));

  void (async () => {
    if (personal) mines = await listMyMachines(owner).catch(() => []);
    if (o.now && kindOf(o.now) === "m01") await briefOf(o.now);
    await find();
    const first = cands[0];
    if (first && first.kind === "now") await choose(first);
  })().catch((error) => showToast(error instanceof Error ? error.message : mt("Failed"), "error"));
}