/* =============================================================================
 * app_settings_cad.ts
 * ☰ [설정] ② CAD 단축키 탭(PLAN 332-2 · 588-1) — 찾기 · 키 · 마우스 묶음 · 리본 이름 묶음 명령 표(명령 · 한글 이름 · 기본 별칭 · 내 별칭) · 검사.
 *
 * - 명령 목록 = `openwebcad/src/commands/command-catalog.json`(registry 거울 · commands.*.ts 는 xstate 가 딸려 와서 JSON 한 벌)
 * - acad.pgp 식 덮어쓰기 — CAD 는 명령 이름 > 내 별칭 > 기본 별칭 순서로 찾음(배선은 332-3)
 * - 검사 = 영문 · 숫자만 · 내 별칭끼리 겹침 금지 · 명령 이름과 같은 별칭 금지
 * ========================================================================== */

import catalog from "../B07_DesignDetail/openwebcad/src/commands/command-catalog.json";
import { el } from "@ui/ui_template_elements";
import { createInputField } from "@ui/ui_template_input";
import { createText } from "@ui/ui_template_text";
import { t as L } from "@ui/ui_template_locale";
import { cadCommandGroups } from "./app_settings_find";
import { findGroup, findPanel, keyRows, type FindRow, type KeyRows } from "./app_settings_keys";

export interface CadCommandRow {
  id: string;
  label: string;
  aliases: string[];
}

export const CAD_COMMANDS = catalog as CadCommandRow[];

export type AliasError = "chars" | "dup" | "name";

const ERROR_TEXT: Record<AliasError, Parameters<typeof L>[0]> = {
  chars: "App_Settings_Cad_ErrChars",
  dup: "App_Settings_Cad_ErrDup",
  name: "App_Settings_Cad_ErrName",
};

/** 칸 글 → 별칭 목록(쉼표 · 빈칸으로 가름 · 대문자) */
export const parseAliases = (text: string): string[] =>
  text
    .toUpperCase()
    .split(/[\s,]+/)
    .filter(Boolean);

/** 내 별칭 검사 — `{명령: 첫 잘못}` · 비면 통과 */
export function checkCadAliases(
  aliases: Record<string, string[]>,
  commands: CadCommandRow[] = CAD_COMMANDS,
): Record<string, AliasError> {
  const ids = new Set(commands.map((c) => c.id));
  const owner = new Map<string, string>();
  const errors: Record<string, AliasError> = {};
  for (const [id, list] of Object.entries(aliases)) {
    for (const alias of list) {
      const first = owner.get(alias);
      const error: AliasError | null = !/^[A-Z0-9]+$/.test(alias)
        ? "chars"
        : ids.has(alias)
          ? "name"
          : first !== undefined
            ? "dup"
            : null;
      if (!error) owner.set(alias, id);
      else {
        errors[id] ??= error;
        if (first !== undefined) errors[first] ??= "dup";
      }
    }
  }
  return errors;
}

/** 탭 몸(588-1) — 찾기 · 「키 · 마우스」 묶음(등록부 CAD 줄) · 리본 이름 묶음 · `aliases` · `keys` 를 칸 입력대로 고쳐 씀 */
export function buildCadAliasTab(
  aliases: Record<string, string[]>,
  keys: Record<string, string[]>,
  onKeysChange: () => void,
): {
  root: HTMLElement;
  mark: (errors: Record<string, AliasError>) => void;
  keys: KeyRows;
  count: () => number;
} {
  const message = createText("", "error");
  message.hidden = true;
  const inputs = new Map<string, HTMLInputElement>();
  const byId = new Map(CAD_COMMANDS.map((command) => [command.id, command]));
  const row = (command: CadCommandRow): FindRow => {
    const field = createInputField({ size: 24 });
    const input = field.input;
    input.setAttribute("aria-label", `${command.id} ${L("App_Settings_Cad_Mine")}`);
    input.value = (aliases[command.id] ?? []).join(", ");
    input.dataset.cadCommand = command.id;
    input.addEventListener("input", () => {
      const list = parseAliases(input.value);
      if (list.length) aliases[command.id] = list;
      else delete aliases[command.id];
    });
    inputs.set(command.id, input);
    return {
      cells: [command.id, command.label, command.aliases.join(", "), field.root],
      texts: () => [command.id, command.label, ...command.aliases, input.value],
    };
  };
  const columns = (
    [
      "App_Settings_Cad_Command",
      "App_Settings_Cad_Label",
      "App_Settings_Cad_Default",
      "App_Settings_Cad_Mine",
    ] as const
  ).map((key) => ({ label: L(key) }));
  const keyRowsCad = keyRows(["cad"], keys, onKeysChange, () => L("App_Settings_Cad_Keys"));
  const groups = [
    ...keyRowsCad.groups,
    ...cadCommandGroups(CAD_COMMANDS.map((c) => c.id)).map((group) =>
      findGroup(
        group.label || L("App_Settings_Cad_Other"),
        columns,
        group.ids.map((id) => row(byId.get(id)!)),
      ),
    ),
  ];
  const mark = (errors: Record<string, AliasError>): void => {
    for (const [id, input] of inputs) {
      const error = errors[id];
      if (error) input.setAttribute("aria-invalid", "true");
      else input.removeAttribute("aria-invalid");
      input.title = error ? L(ERROR_TEXT[error]) : "";
    }
    const kinds = [...new Set(Object.values(errors))];
    message.lastChild!.textContent = kinds.map((k) => L(ERROR_TEXT[k])).join(" · ");
    message.hidden = !kinds.length;
  };
  /** [모두 기본값] — 내 별칭 · CAD 바꾼 키 비움 */
  const resetAll = (): void => {
    for (const id of Object.keys(aliases)) delete aliases[id];
    for (const input of inputs.values()) input.value = "";
    for (const id of Object.keys(keys)) if (id.startsWith("cad.")) delete keys[id];
    mark({});
    onKeysChange();
  };
  const panel = findPanel(
    groups,
    [el("p", { text: L("App_Settings_Cad_Help") }), message],
    resetAll,
  );
  return { root: panel.root, mark, keys: keyRowsCad, count: panel.count };
}