/* 283 · 493-2 추천 [적용] = 초기화 — 진짜 TS(`logic/B05_Profile_Route_Reset` · `B05_Profile_UI_RouteReset`
 * applyResetText)를 Node 로 돌림 · 서버 저장분 받기는 가짜(입력 JSON `server`).
 * 입력 argv[2] JSON · 표준출력 JSON 한 벌.
 */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

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

function loadTs(file, stubs = {}) {
  return makeLoader({
    root: ROOT,
    cache: false,
    requireFor: (full) => (request) => {
      if (stubs[request]) return stubs[request];
      throw new Error(`stub 없음: ${request} (${file})`);
    },
  }).loadTs(path.join(ROOT, file));
}

const reset = loadTs("B05_Profile/logic/B05_Profile_Route_Reset.ts");

/** 서버 저장분 가짜 — 값 = 돌려줄 것 · "fail" = 받기 실패. */
const answer = (value) =>
  value === "fail" ? Promise.reject(new Error("받기 실패")) : Promise.resolve(value);

async function applyText(server) {
  const ui = loadTs("B05_Profile/B05_Profile_UI_RouteReset.ts", {
    "../A00_Common/design/design_page_data": {
      pageStructures: () => answer(server.structures),
      pagePipes: () => answer(server.pipes),
    },
    "./B05_Profile_Api_PlusStations": { fetchSavedPlusStations: () => answer(server.plus) },
    "./logic/B05_Profile_Route_Reset": reset,
  });
  return ui.applyResetText("p");
}

/** 493-5 — 추가 측점 저장분 기억: 저장 [127 · 163] → 서버가 [적용]으로 지움 → 다시 세운 페이지가 읽는 값. */
async function plusAfterApply(reload) {
  let server = [127, 163];
  const drafts = new Map();
  global.window = { setTimeout: () => 0, clearTimeout: () => undefined };
  global.fetch = async () => ({
    ok: true,
    json: async () => ({ chainages: server, stations: server.map((c) => ({ chainage_m: c })) }),
  });
  const plus = loadTs("B05_Profile/B05_Profile_Api_PlusStations.ts", {
    "../config/config_frontend": { API_BASE_URL: "", API_TIMEOUT_MS: 1000 },
    "../A00_Common/design/design_store": {
      draftProjectId: () => "p",
      useDesignStore: () => ({
        get: (k) => drafts.get(k) ?? null,
        set: (k, v) => drafts.set(k, v),
      }),
    },
    "./B05_Profile_UI_Profile_History": { onPageHistory: () => undefined },
  });
  await plus.loadSavedPlusStations("p");
  plus.followPlusDraft("p", { plusStations: [127, 163] }); // 노선 끌기 따라감 기억
  const before = plus.plusStationsOf("p");
  server = []; // 추천 [적용] — 서버가 지움 · 세션 초안 비움(clearDrafts)
  drafts.clear();
  if (reload) await plus.reloadSavedPlusStations("p");
  await plus.loadSavedPlusStations("p"); // 다시 세운 페이지
  return { before, after: plus.plusStationsOf("p"), body: plus.plusStationsPart("p").body };
}

async function main() {
  const input = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));
  const plusApply = { fixed: await plusAfterApply(true), stale: await plusAfterApply(false) };
  const texts = {};
  for (const [name, server] of Object.entries(input.servers)) texts[name] = await applyText(server);
  process.stdout.write(
    JSON.stringify({
      texts,
      plusApply,
      notice: reset.routeResetNotice(input.reset, 2),
      noticeNone: [
        reset.routeResetNotice(undefined),
        reset.routeResetNotice({ reset: false, dropped: { pipes: 3 } }),
      ],
    }),
  );
}

main().catch((error) => {
  process.stderr.write(String(error?.stack ?? error));
  process.exit(1);
});