Aislo/M02_MasterTemplete/DataFlow/M02_DF_FuncExtra.ts

/* =============================================================================
 * M02_DF_FuncExtra.ts
 * 함수 판 보조 — 식 보기 그리기 · 칸 연결 표 손잡이 · 우클릭 「조건 만들기」 에 주는 것
 * 판 본체(M02_DF_FuncPanel)가 700줄 안에 들도록 뗌 · 상태는 모르고 손잡이(ExtraContext)만 받음
 * ========================================================================== */

import { currentLanguageIndex } from "@ui/ui_template_locale";
import { showToast } from "@ui/ui_template_elements";
import type { ConditionOptions } from "../../A00_Common/spreadsheet/spreadsheet_condition";
import { renderCellTable } from "./M02_DF_CellTable";
import type { DetailOptions } from "./M02_DF_Detail";
import { cellValuesOf, formulaLines, renderFormulaView } from "./M02_DF_FormulaView";
import { TEXT } from "./M02_DF_FuncText";
import { valueChoices, type CfFunc, type CfLogic, type CfVariable } from "./M02_DF_Model";

export interface ExtraContext {
  lg: CfLogic;
  boxId: string;
  detail: DetailOptions;
  /** 선 규칙을 지나 들어온 값 */
  arrived: Record<string, unknown>;
  readOnly: boolean;
  place(port: string, cell: string): void;
  setOutput(cell: string): void;
  patch(make: (f: CfFunc) => CfFunc): void;
  used(f: CfFunc): Map<string, string>;
}

const busy = (): string => TEXT.Busy[currentLanguageIndex === 1 ? 1 : 0];
const boxOf = (x: ExtraContext) => x.lg.boxes.find((b) => b.id === x.boxId);

/** 식 보기 — 칸 식을 고치면 부른 쪽이 다시 부름 */
export function drawFormula(host: HTMLElement, x: ExtraContext): void {
  const box = boxOf(x);
  if (!box?.func) return;
  renderFormulaView(host, formulaLines(box, cellValuesOf(box, x.arrived)));
}

/** 칸 연결 표 — 표에서 칸 바꾸기 · 풀기(입력/변수/결과 모두 같은 규칙: 이미 쓰는 칸 막음 · 결과 칸 하나) */
export function drawCells(host: HTMLElement, x: ExtraContext): void {
  const box = boxOf(x);
  if (!box?.func) return;
  renderCellTable(host, x.lg, box, x.readOnly, {
    move: (kind, key, cell) => {
      if (kind === "in") return x.place(key, cell);
      if (kind === "out") return x.setOutput(cell);
      if (box.func && x.used(box.func).has(cell)) return void showToast(busy(), "error");
      x.patch((f) => ({
        ...f,
        variables: f.variables.map((v) => (v.name === key ? { ...v, cell } : v)),
      }));
    },
    release: (kind, key) =>
      x.patch((f) =>
        kind === "in"
          ? { ...f, inputs: f.inputs.map((i) => (i.port === key ? { ...i, cell: "" } : i)) }
          : kind === "var"
            ? { ...f, variables: f.variables.filter((v) => v.name !== key) }
            : { ...f, output: { ...f.output, cell: "" } },
      ),
  });
}

/** 우클릭 「조건 만들기」 에 주는 것 — 칸에 올 값 목록(알약이면 valueChoices · 변수면 고르기 목록) · 이름 붙은 칸
 *  get 으로 부를 때마다 지금 상태를 다시 읽음(나중에 놓은 알약 · 만든 변수도 목록에 뜸) */
export function conditionsOf(get: () => ExtraContext): ConditionOptions {
  return {
    valuesFor: (a1) => {
      const x = get();
      const f = boxOf(x)?.func;
      const at = a1.toUpperCase();
      const v = f?.variables.find((y) => y.cell?.toUpperCase() === at);
      if (v) return v.type === "choice" && v.choices?.length ? [...v.choices] : null;
      const port = f?.inputs.find((i) => i.cell.toUpperCase() === at)?.port;
      const link = port
        ? x.lg.links.find((l) => l.to.box === x.boxId && l.to.name === port)
        : undefined;
      return link ? valueChoices(x.lg, link.from, { values: x.detail.values }) : null;
    },
    pills: () => {
      const x = get();
      const f = boxOf(x)?.func;
      return [
        ...(f?.inputs ?? []).filter((i) => i.cell).map((i) => ({ name: i.port, cell: i.cell })),
        ...(f?.variables ?? []).filter((v) => v.cell).map((v) => ({ name: v.name, cell: v.cell! })),
      ];
    },
  };
}

/** 변수 만들기 폼 → 변수 · 틀리면 까닭(글 열쇠) — 같은 이름 · 이미 쓰는 칸 · 숫자 아님 · 범위 거꾸로 */
export interface VarFormValues {
  name: string;
  type: CfVariable["type"];
  unit: string;
  min: string;
  max: string;
  choices: string;
  example: string;
}

export function variableFrom(
  form: VarFormValues,
  f: CfFunc,
  cell: string,
  used: (f: CfFunc) => Map<string, string>,
):
  | { v: CfVariable; cell: string }
  | { why: "NeedName" | "SameName" | "Busy" | "NotNumber" | "BadRange" } {
  const name = form.name.trim();
  if (!name) return { why: "NeedName" };
  const mine = f.variables.find((v) => v.name === name);
  if (!mine && [...f.inputs.map((i) => i.port), ...f.variables.map((v) => v.name)].includes(name))
    return { why: "SameName" };
  if (used({ ...f, variables: f.variables.filter((v) => v.name !== name) }).has(cell))
    return { why: "Busy" };
  const v: CfVariable = {
    name,
    type: form.type,
    unit: form.unit.trim() || "-",
    example: null,
    cell,
  };
  let example: number | string | null = form.example.trim() === "" ? null : form.example.trim();
  if (form.type === "number") {
    if (example !== null) {
      const n = Number(String(example).replace(/,/g, ""));
      if (!Number.isFinite(n)) return { why: "NotNumber" };
      example = n;
    }
    const lo = form.min.trim() === "" ? null : Number(form.min);
    const hi = form.max.trim() === "" ? null : Number(form.max);
    if (lo !== null && hi !== null) {
      if (!(lo < hi)) return { why: "BadRange" };
      v.range = [lo, hi];
    }
  } else if (form.type === "choice") {
    v.choices = form.choices
      .split(",")
      .map((x) => x.trim())
      .filter(Boolean);
  }
  v.example = example;
  return { v, cell };
}