/* =============================================================================
 * A00_Common/design/logic/design_calc_node_trial.ts
 * 계산 자리 「서버」 시험 길(PLAN 511-A) — 조작 중 브라우저가 부르는 함수를 서버 Node 가 **같은 TS 로** 부름.
 * 등록부 `node:` 실행기 밖(파이썬 `TRIAL_IDS` 와 같은 표) · 입력 = `inputs.args[id]`(그 함수 인자 그대로 · JSON).
 *   masshaul.series      E1 유토곡선 그리기(`computeMassHaulSeries`)
 *   stations.carry_keyed R9 측점 열쇠 넘김(`carryKeyedStates` · 읽기 = 칸 이름 → 값 표)
 *   route.handle R2 · route.station_fit R4 · stations.swap R8 · profile.tools P7 · cross.fit C7 · footprint.plan D4
 * Map · Set 은 목록으로(JSON) — 브라우저 대조도 같은 꼴(`design_calc_server.ts` `plain`).
 * ========================================================================== */

import { computeMassHaulSeries } from "@util/common_util_mass_haul";
import { footprintStage } from "../../../B05_Profile/logic/B05_Profile_Footprint_Stage";
import { fitAfter } from "../../../B05_Profile/logic/B05_Profile_RouteEdit_StationFit";
import { straightenBetween } from "../../../B05_Profile/logic/B05_Profile_UI_Profile_Straighten";
import { dragHandleTo } from "../../../B05_Profile/logic/B05_Profile_UI_RouteEdit_Curve";
import {
  carryKeyedStates,
  type KeyedState,
  type Raw,
} from "../../../B06_Section/logic/B06_Section_Route_Carry";
import { swapCrossSections } from "../../../B06_Section/logic/B06_Section_Station_Swap";
import { toeOffsets } from "../../../B06_Section/logic/B06_Section_UI_Cross_Fit";
import type { StageContext } from "./design_pipeline_types";

export interface TrialInputs {
  args?: Record<string, unknown[]>;
}

type Call = (...args: never[]) => unknown;

/** Map · Set → 목록 — JSON 으로 오가는 꼴. */
export function plain(value: unknown): unknown {
  return JSON.parse(
    JSON.stringify(value, (_key, item: unknown) =>
      item instanceof Map ? [...item.entries()] : item instanceof Set ? [...item] : item,
    ),
  );
}

const TRIAL: Record<string, Call> = {
  "masshaul.series": computeMassHaulSeries as Call,
  "stations.carry_keyed": ((states: Record<string, Raw>, from, to) =>
    carryKeyedStates((name: KeyedState) => states[name] ?? {}, from, to)) as Call,
  "route.handle": dragHandleTo as Call,
  "route.station_fit": fitAfter as Call, // 편집 한 걸음 뒤 맞춤(fitCurveStations 를 부름)
  "stations.swap": swapCrossSections as Call,
  "profile.tools": straightenBetween as Call,
  "cross.fit": toeOffsets as Call,
  // 발자국 단계 — 앞 결과 없이 전 구간(브라우저 범위 밖 재사용과 같은 값)
  "footprint.plan": ((out: StageContext<"footprint">["out"]) =>
    footprintStage({ out, range: null, prev: null } as StageContext<"footprint">)) as Call,
};

export const TRIAL_IDS = Object.keys(TRIAL);

/** id → 셈(입구 `RUNNERS` 에 얹음 · `available` 에는 안 넣음). */
export function trialRunners(inputs: TrialInputs): Record<string, () => unknown> {
  return Object.fromEntries(
    TRIAL_IDS.map((id) => [id, () => plain(TRIAL[id](...((inputs.args?.[id] ?? []) as never[])))]),
  );
}