/* 346-3 노선 저장 이음 헬퍼 — `B05_Profile_UI_RouteEdit_Apply.ts` 를 트랜스파일해 서버 · 화면 창구는 가짜로,
 * 가게 · 캐시(`design_store` · `b_page_state`)는 진짜로 돌림. 보낸 본문 · 부른 차례를 적어 JSON 한 벌로 냄.
 */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

const ROOT = path.join(__dirname, "..", "..");

function memoryStorage() {
  const map = new Map();
  return {
    getItem: (key) => (map.has(key) ? map.get(key) : null),
    setItem: (key, value) => map.set(key, String(value)),
    removeItem: (key) => map.delete(key),
    key: (index) => [...map.keys()][index] ?? null,
    get length() {
      return map.size;
    },
  };
}
const session = memoryStorage();
globalThis.window = { sessionStorage: session, localStorage: memoryStorage() };
globalThis.sessionStorage = session;

const calls = [];
const bodies = [];
let failReplan = false;
const STUBS = {
  "@ui/ui_template_elements": {
    showToast: (text, kind) => calls.push(`toast:${kind}:${text}`),
    showLoadingOverlay: () => calls.push("overlay:on"),
    hideLoadingOverlay: () => calls.push("overlay:off"),
  },
  "../A00_Common/router": {
    currentRoute: () => "b05-profile",
    remountRoute: () => calls.push("remount"),
  },
  "../A00_Common/design/design_pipeline_page": {
    commitRouteFacilities: () => calls.push("commit"), // 저장 = 초안 전 관 · 구조물 버림(6-B)
  },
  "../B06_Section/B06_Section_Section_Store": {
    invalidateSectionDetail: (_p, routeId) => calls.push(`invalidate:${routeId ?? "all"}`),
  },
  // 6-B — 넘김은 서버(Node · 같은 TS) · 여기서는 옛 노선 세션 칸 원본만 냄
  "../B06_Section/B06_Section_Station_Keys": {
    routeCarryInputs: (_p, from) => (calls.push(`carryInputs:${from}`), { from_keys: [], from }),
  },
  "../B06_Section/B06_Section_Api_Fetch": {
    sectionConfirmBody: (standard, patches, massHaul) => ({ standard, patches, massHaul }),
  },
  "../B06_Section/B06_Section_UI_Standard_Panel": { readStandardCrossSession: () => ({ std: 1 }) },
  "@util/common_util_mass_haul_balance_view": { balloonOffsetsPayload: () => ({ b: [1, 2] }) },
  "./B05_Profile_Api_Fetch": {
    clearRouteLatestCache: () => calls.push("latest:clear"),
  },
  // 509-2 — 추천 [적용] 뒤 받아 둔 설계 지형 격자 버림
  "./B05_Profile_Api_TerrainGrid": {
    forgetDesignTerrainGrid: () => calls.push("grid:forget"),
  },
  "./B05_Profile_Api_Replan": {
    replanRoute: async (_p, body) => {
      bodies.push(JSON.parse(JSON.stringify(body)));
      calls.push("replan");
      if (failReplan) throw new Error("체인 실패");
      return {
        route_id: 9,
        pipes: { kept: 3, crossing: 1 },
        structures: { moved: 1, far: 0 },
        cross_dropped: 1,
        drainage_stale: true,
      };
    },
  },
};

const { loadTs } = makeLoader({
  root: ROOT,
  requireFor: (full) => (request) => {
    if (STUBS[request]) return STUBS[request];
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    return require(request);
  },
});

const { useDesignStore } = loadTs(path.join(ROOT, "A00_Common", "design", "design_store.ts"));
const { readState, writeState } = loadTs(path.join(ROOT, "A00_Common", "b_page_state.ts"));
const apply = loadTs(path.join(ROOT, "B05_Profile", "B05_Profile_UI_RouteEdit_Apply.ts"));

(async () => {
  const out = {};
  const draft = {
    rev: 3,
    nodes: [
      [0, 0],
      [5, 5],
      [10, 0],
    ],
    curveOn: [true, true, true],
  };
  // 편집기 없음 — 가게 routeDraft 를 보냄 · 없으면 null
  out.noneAtAll = await apply.pendingRouteSave("p1");
  useDesignStore("p1", null).set("routeDraft", draft);
  out.storeOnly = await apply.pendingRouteSave("p1");

  // 편집기 등록 — 안 바뀌었으면 null(가게에 초안이 있어도 편집기가 정함) · 바뀌면 계약 꼴
  let changed = false;
  let kept = 0;
  let rebuilt = 0;
  apply.bindRouteApply({
    projectId: "p1",
    nodes: () => ({
      planned: [
        [0, 0],
        [5, 5],
        [10, 0],
      ],
      curveOn: [true, false],
      curveRadius: [null, 25],
    }),
    changed: () => changed,
    snap: () => ({ stationSnap: true, stationSnapStep: 20 }), // 390-5 — 켬끔 · 간격 한 벌
    initial: { current: () => ({ mode: "follow" }), keep: () => (kept += 1) },
    onApplied: () => (rebuilt += 1),
  });
  out.unchanged = await apply.pendingRouteSave("p1");
  changed = true;
  const body = await apply.pendingRouteSave("p1");
  out.body = body;

  // 저장 — 가게 초안 비움 · 결과 캐시 비움 · 추천 다시 적음
  writeState("design-stations", [{ k: 1 }], "p1");
  const saved = await apply.saveRouteDraft("p1", body);
  out.savedRouteId = saved.route_id;
  out.storeAfterSave = useDesignStore("p1", null).get("routeDraft");
  out.keptAfterSave = kept;
  out.summary = typeof apply.routeSaveSummary; // 498-3 — 결과 한 줄 걷음

  // 노선 바뀐 [저장] 횡단 조각(6-B) — 옛 노선 세션 칸 원본 + 표준 횡단 · 풍선 · 저장 뒤 상단측 · 종류 바꿈 비움
  calls.length = 0;
  writeState("uphill", { "40.00": "right" }, "p1");
  writeState("kindreset", { "45.00": "culvert" }, "p1");
  const part = apply.routeCarryPart("p1", 7);
  out.carry = part.carry;
  out.crossBody = part.cross.body;
  out.uphillBeforeAfter = readState("uphill", "p1");
  await part.cross.after(undefined);
  out.uphillAfter = readState("uphill", "p1");
  out.kindresetAfter = readState("kindreset", "p1");
  out.carryCalls = [...calls];

  // 추천 [적용] — as_initial · 잠금 막 · 초안 비움 · 다시 세움
  useDesignStore("p1", null).set("routeDraft", draft);
  writeState("pipes", [{ chainage_m: 1 }], "p1");
  calls.length = 0;
  const snapshot = {
    planned: [
      [1, 1],
      [9, 9],
    ],
    curveOn: [true, true],
    curveRadius: [null, null],
  };
  out.recommendOk = await apply.saveRecommendedRoute(
    "p1",
    snapshot,
    { mode: "earthwork" },
    true,
    "sheet", // 509-5 — 창에서 고른 지형
  );
  out.recommendBody = bodies[bodies.length - 1];
  out.recommendCalls = calls.filter((c) => !c.startsWith("toast:"));
  out.recommendDraftsLeft = {
    route: useDesignStore("p1", null).get("routeDraft"),
    pipes: readState("pipes", "p1"),
  };
  out.rebuilt = rebuilt;

  // 추천 저장 실패 — false · 오류 한 줄 · 다시 안 세움
  failReplan = true;
  calls.length = 0;
  out.recommendFail = await apply.saveRecommendedRoute("p1", snapshot, null, false);
  out.recommendFailCalls = [...calls];
  out.rebuiltAfterFail = rebuilt;
  console.log(JSON.stringify(out));
})();