/* =============================================================================
 * M02_MasterTemplete_Hopyo_Rows.ts
 * 엑셀 불러오기 줄 판(PLAN 785-6 · 요구 641 · 642 · 설계 642-A 2-3 · 2-4 · 2-6 · 분석 642-D 2-3 · 4) — 시트 아래 `[data-hopyo-lines]`.
 *  · 호표 하나 = 줄마다 1차 판정 칩(제안 있음 · 2차 필요 · 후보 여럿 · 후보 없음) · 갈래 칩 · 근거 ·
 *    후보 복수 고름(기초 · 단가산출 · 일위대가 · 인력 · 재료 · 유가 · 기계 · 율 · 고정 — 한 줄에 여럿) ·
 *    수량 · 단위 환산 칸(`logic/Hopyo_Unit` · 같은 단위 = 숨김) · [보기] = 엑셀 그 행 · [확인]
 *  · 단산 줄 = [블록 풀이] 펼침(`Hopyo_Block.solvedBody` · 절마다 기초 · 입력값 칸) + 「단가산출 통째」 칩(단산N → SK)
 *  · 머리 [호표 제안 모두 확인](사용자 누름 · 다 풀린 제안만) · 아래 [옮기기](`createJudgeMove` · 오른쪽 판 아래)
 *  · 고름 · 확인 = 캐시(`createJudgeState`) · 자동 확인 · 자동 옮김 없음 · 옮김 = 서버가 정본으로 다시 셈
 * ========================================================================== */

import { createBadge, type BadgeTone } from "@ui/ui_template_badge";
import { createButton, createInputField, el, showToast } from "@ui/ui_template_elements";
import { t as L } from "@ui/ui_template_locale";
import { createPanelHead } from "@ui/ui_template_panel_head";
import { tableRow, tableShell, type Cell, type Column } from "@ui/ui_template_table";
import { createText } from "@ui/ui_template_text";
import { createToggle } from "@ui/ui_template_toggle";
import { formatNumber } from "../common_util/common_util_money";
import type { HopyoScope } from "./M02_MasterTemplete_Hopyo_Api";
import { createJudgeState, solvedBody, type JudgeState } from "./M02_MasterTemplete_Hopyo_Block";
import {
  checkJudge,
  moveJudge,
  readJudgeOne,
  type JudgeOne,
  type JudgeRow,
  type MoveResult,
} from "./M02_MasterTemplete_Hopyo_JudgeApi";
import {
  bare,
  confirmSuggested,
  confirmable,
  editLine,
  lineOf,
  linePicks,
  missing,
  moveBody,
  putLine,
  samePick,
  togglePick,
  type DraftPick,
} from "./logic/M02_MasterTemplete_Hopyo_Picks";
import { unitView } from "./logic/M02_MasterTemplete_Hopyo_Unit";

export { createJudgeState, type JudgeState };

const VERDICT: Record<string, BadgeTone> = {
  "제안 있음": "success",
  "2차 필요": "info",
  "후보 여럿": "warning",
  "후보 없음": "danger",
};
const show = (v: unknown): string =>
  v === null || v === undefined ? "" : typeof v === "number" ? formatNumber(v) : String(v);
const bar = (kids: (HTMLElement | string)[]): HTMLElement =>
  el("div", { className: "ui-toolbar m02-judge__wrap", children: kids });

export type SheetRole = "일위대가표" | "단가산출상세";

export interface JudgeRowsOptions {
  host: HTMLElement;
  /** 파일 층 */
  file: HopyoScope;
  key: string;
  /** 만들 층 */
  target: HopyoScope;
  state: JudgeState;
  no: number;
  /** 엑셀 보기 그 행(일위대가표 · 단가산출 상세) */
  onSheet?: (행: number, role: SheetRole) => void;
  onClose?: () => void;
  readOnly?: boolean;
}

const COLS: Column[] = [
  { label: L("M02_JudgeColRow"), width: "52px" },
  { label: L("M02_JudgeColName") },
  { label: L("M02_JudgeColVerdict"), width: "84px" },
  { label: L("M02_JudgeColKind") },
  { label: L("M02_JudgeColPick") },
  { label: L("M02_JudgeColQty"), align: "end" },
  { label: L("M02_JudgeColOk"), width: "72px" },
];

/** 2차 줄 「단가산출 통째」 고른 것 — 단산N(같은 옮기기 블록 먼저 SK) */
const wholeSk = (row: JudgeRow): DraftPick => ({
  갈래: "단가산출",
  키: `단산${row.번}`,
  이름: row.이름 ?? `단산${row.번}`,
  규격: row.규격 ?? "",
  단위: row.단위 ?? "",
  입력값: {},
  출처: {},
  몫: null,
});

/** 시트 아래 줄 판 — 호표 하나 */
export function createJudgeRows(opt: JudgeRowsOptions): { root: HTMLElement; destroy: () => void } {
  const root = el("section", { className: "m02-judge", attrs: { "data-judge-rows": String(opt.no) } }); // prettier-ignore
  root.append(createText(L("M02_JudgeLoading"), "hint"));
  opt.host.replaceChildren(root);
  let one: JudgeOne | null = null;
  const open = new Set<number>();
  const bodies = new Map<number, ReturnType<typeof solvedBody>>();
  let alive = true;
  const no = opt.no;

  const picksOf = (row: JudgeRow): DraftPick[] => linePicks(opt.state.get(), no, row);
  const edit = (row: JudgeRow, list: DraftPick[]): void =>
    opt.state.set(editLine(opt.state.get(), no, row, list));

  function chips(row: JudgeRow, picks: DraftPick[]): HTMLElement {
    const kids: HTMLElement[] = [];
    if (row.판정 === "2차 필요" && row.번 !== undefined) {
      const solve = createToggle({ kind: "chip", label: L("M02_JudgeSolve"), checked: open.has(row.차례), onChange: (on) => { if (on) open.add(row.차례); else open.delete(row.차례); draw(); } }); // prettier-ignore
      solve.root.dataset.judgeSolve = String(row.번);
      const sk = wholeSk(row);
      const whole = createToggle({ kind: "chip", label: `${L("M02_JudgeWholeSk")} ${sk.키}`, checked: picks.some((p) => samePick(p, sk)), disabled: opt.readOnly, onChange: () => edit(row, togglePick(picks, sk)) }); // prettier-ignore
      whole.root.dataset.judgeWhole = String(sk.키);
      kids.push(solve.root, whole.root);
      for (const p of picks.filter((x) => x.갈래 === "기초")) {
        const b = createBadge(`${p.키}`, missing(p).length ? "danger" : "accent");
        b.dataset.judgePicked = String(p.키);
        kids.push(b);
      }
    } else {
      const seen = [...row.후보];
      for (const p of picks) if (!seen.some((x) => samePick(x, p))) seen.push(p);
      for (const c of seen) {
        const on = picks.some((p) => samePick(p, c));
        const label = `${c.갈래} ${c.이름}${c.규격 ? ` ${c.규격}` : ""}`;
        const chip = createToggle({ kind: "chip", label, checked: on, disabled: opt.readOnly, onChange: () => edit(row, togglePick(picks, { ...c })) }); // prettier-ignore
        chip.root.dataset.judgeCand = `${c.갈래}:${c.키 ?? c.이름}`;
        chip.root.title = c.키 ?? "";
        kids.push(chip.root);
      }
      if (!seen.length) kids.push(createText(L("M02_JudgeNoCand"), "warning"));
    }
    return bar(kids);
  }

  function qtyCell(row: JudgeRow, picks: DraftPick[]): HTMLElement {
    const line = lineOf(opt.state.get(), no, row.차례);
    const 배 = line?.배 ?? row.수량.배;
    const view = unitView({ 배, 환산: { 배: row.수량.배, 갈래: row.수량.갈래 } }, row.단위, picks[0]?.단위); // prettier-ignore
    const text = `${show(row.수량.엑셀)}${배 !== null && 배 !== 1 ? ` × ${show(배)}` : ""}`;
    if (view.mode !== "input" || opt.readOnly) return bar([text]);
    const f = createInputField({ compact: true, size: 24, value: show(배), unit: view.to, placeholder: L("M02_JudgeUnitHint").replace("{from}", view.from) }); // prettier-ignore
    f.input.dataset.judgeTimes = String(row.차례);
    f.input.addEventListener("change", () => {
      const n = Number(f.input.value.replace(/,/g, ""));
      const next = f.input.value.trim() === "" || !Number.isFinite(n) ? null : n;
      opt.state.set(putLine(opt.state.get(), no, row.차례, { 고른: picks, 확인: false, 배: next }));
    });
    if (배 === null) f.setError(L("M02_JudgeNeed"));
    return bar([text, L("M02_JudgeUnitHint").replace("{from}", view.from), f.root]);
  }

  function okCell(row: JudgeRow, picks: DraftPick[]): HTMLElement {
    const line = lineOf(opt.state.get(), no, row.차례);
    const ok = createToggle({
      kind: "chip",
      label: line?.확인 ? L("M02_JudgeConfirmed") : L("M02_JudgeConfirm"),
      checked: !!line?.확인,
      disabled: opt.readOnly,
      onChange: (on) => {
        if (on && !confirmable(picks)) {
          ok.set(false);
          const why = picks.length ? picks.flatMap(missing).join(" · ") : L("M02_JudgeNoCand");
          showToast(`${L("M02_JudgeBlocked")} — ${why}`, "warning");
          return;
        }
        opt.state.set(putLine(opt.state.get(), no, row.차례, { ...line, 고른: picks, 확인: on }));
      },
    });
    ok.root.dataset.judgeOk = String(row.차례);
    return ok.root;
  }

  function rowCells(row: JudgeRow): Cell[] {
    const picks = picksOf(row);
    const jump =
      row.행 !== null && opt.onSheet
        ? createButton({ label: String(row.행), size: 24, variant: "link", onClick: () => opt.onSheet!(row.행!, "일위대가표") }) // prettier-ignore
        : show(row.행);
    if (jump instanceof HTMLElement) jump.dataset.judgeRow = String(row.행);
    const v = createBadge(row.판정, VERDICT[row.판정] ?? "neutral");
    v.dataset.judgeVerdict = row.판정;
    const kinds = row.갈래.map((k) => {
      const b = createBadge(k, "neutral");
      b.dataset.judgeKind = k;
      return b;
    });
    const name = [row.이름, row.규격, row.단위 ? `(${row.단위})` : ""].filter(Boolean).join(" ");
    return [
      jump,
      name,
      v,
      bar([...kinds, row.근거]),
      chips(row, picks),
      qtyCell(row, picks),
      okCell(row, picks),
    ];
  }

  /** 블록 풀이 몸이 쥐는 고른 것 = 단가산출 통째 칩 빼고(기초 · 덧 줄) */
  const isSk = (p: DraftPick): boolean => p.갈래 === "단가산출";
  const inner = (row: JudgeRow): DraftPick[] => picksOf(row).filter((p) => !isSk(p));

  function solved(row: JudgeRow): HTMLElement {
    let body = bodies.get(row.차례);
    if (!body) {
      body = solvedBody({
        solved: row.풀이!,
        picks: inner(row),
        readOnly: opt.readOnly,
        excel: row.단가,
        onSheet: opt.onSheet ? (r) => opt.onSheet!(r, "단가산출상세") : undefined,
        onPicks: (list) => edit(row, [...picksOf(row).filter(isSk), ...list]),
        onCheck: (list, signal) =>
          checkJudge(opt.file, opt.key, { 호표: no, 차례: row.차례, 고른: list.map((p) => bare(p)) }, signal), // prettier-ignore
      });
      bodies.set(row.차례, body);
    } else body.set(inner(row));
    return body.root;
  }

  function draw(): void {
    if (!one) return;
    const all = createButton({
      label: L("M02_JudgeConfirmAll"),
      size: 24,
      variant: "ghost",
      disabled: opt.readOnly,
      onClick: () => opt.state.set(confirmSuggested(opt.state.get(), no, one!.줄)),
    });
    all.dataset.judgeAll = String(no);
    const actions: HTMLElement[] = [all];
    if (opt.onClose) actions.push(createButton({ label: L("Common_Btn_Close"), size: 24, variant: "ghost", onClick: opt.onClose })); // prettier-ignore
    const title = `${L("M02_JudgeHopyo").replace("{n}", String(no))} ${one.이름}`;
    const sub = [one.규격, one.단위, one.만든 ? `${L("M02_JudgeMade")} ${one.만든}` : ""].filter(Boolean).join(" · "); // prettier-ignore
    const { root: table, tbody } = tableShell(COLS, { density: "data" });
    for (const row of one.줄) {
      const tr = tableRow(COLS, rowCells(row));
      tr.dataset.judgeLine = String(row.차례);
      tbody.append(tr);
      if (row.풀이 && open.has(row.차례))
        tbody.append(tableRow(COLS, [{ content: solved(row), colSpan: COLS.length }]));
    }
    root.replaceChildren(createPanelHead({ title, sub, actions, divider: true }).root, table);
  }

  const off = opt.state.on(draw);
  void readJudgeOne(opt.file, opt.key, no, opt.target)
    .then((got) => {
      if (!alive) return;
      one = got;
      draw();
    })
    .catch((e: Error) => {
      if (alive) root.replaceChildren(createText(e.message, "error"));
    });

  return {
    root,
    destroy(): void {
      alive = false;
      off();
      root.remove();
    },
  };
}

export interface JudgeMoveOptions {
  file: HopyoScope;
  key: string;
  target: HopyoScope;
  state: JudgeState;
  readOnly?: boolean;
  onMoved?: (r: MoveResult) => void;
}

/** 오른쪽 판 아래 [옮기기 (n)] — 확인한 줄 · 블록만 · 서버가 정본으로 다시 셈 · 옮긴 것은 캐시에서 걷음 */
export function createJudgeMove(opt: JudgeMoveOptions): { root: HTMLElement; destroy: () => void } {
  const btn = createButton({ label: L("M02_JudgeMove"), size: 28, variant: "filled", onClick: () => void go() }); // prettier-ignore
  btn.dataset.judgeMove = "";
  const root = bar([btn]);
  const count = (): void => {
    const n = moveBody(opt.state.get(), opt.file).수;
    btn.textContent = `${L("M02_JudgeMove")} (${n})`;
    btn.disabled = !!opt.readOnly || n === 0;
  };

  async function go(): Promise<void> {
    const { body, 막힘, 수 } = moveBody(opt.state.get(), opt.file);
    if (!수) {
      showToast(L("M02_JudgeMoveNone"), "info");
      return;
    }
    btn.disabled = true;
    try {
      const r = await moveJudge(opt.target, opt.key, body);
      const stuck = new Set(r.막힘.map((x) => `${x.호표 ?? "b" + x.블록}:${x.차례 ?? ""}`));
      let d = opt.state.get();
      for (const [h, lines] of Object.entries(body.호표))
        for (const at of Object.keys(lines))
          if (!stuck.has(`${h}:${at}`)) {
            const { [at]: _gone, ...rest } = d.호표[h] ?? {};
            d = { ...d, 호표: { ...d.호표, [h]: rest } };
          }
      for (const b of Object.keys(body.블록))
        if (!stuck.has(`b${b}:`)) {
          const { [b]: _gone, ...rest } = d.블록;
          d = { ...d, 블록: rest };
        }
      opt.state.set(d);
      const msg = L("M02_JudgeMoved")
        .replace("{a}", String(r.만듦.length))
        .replace("{b}", String(r.단가산출.length))
        .replace("{c}", String(r.막힘.length + 막힘.length));
      showToast(msg, r.막힘.length + 막힘.length ? "warning" : "success");
      opt.onMoved?.(r);
    } catch (e) {
      showToast((e as Error).message, "error");
    } finally {
      count();
    }
  }

  const off = opt.state.on(count);
  count();
  return {
    root,
    destroy(): void {
      off();
      root.remove();
    },
  };
}