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 { evalSafe, 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 } from "./M02_DF_Model";

export interface ExtraContext {
  lg: CfLogic;
  boxId: string;
  detail: DetailOptions;
  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;
  const ev = evalSafe(x.lg, x.detail);
  renderFormulaView(host, formulaLines(box, cellValuesOf(box, ev?.arrived?.[x.boxId])));
}

/** 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 */
export function conditionsOf(x: ExtraContext): ConditionOptions {
  return {
    valuesFor: (a1) => {
      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 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! })),
      ];
    },
  };
}