/* PLAN 349-0u 덧 sub7 헬퍼 — 노선을 저장한 [저장]에서 세션 관 초안(옛 노선 누가거리)이 서버가 따라 옮긴 관을
 * 덮지 않음 · 사용자 관 고침만 얹음. 실제 `design_save.ts` · 관 초안 창구 · 가게를 Node 로 · 서버 창구 ·
 * 화면 알림만 가짜. 노선 저장 전 GET = `before` · 뒤 GET = `after`(서버 따라감 + 새 교차 관).
 * 덤 — `placeOnLine` 이 안 옮긴 관에 정본 좌표를 씀. 입력 argv[2] JSON. 짝 = `test_349_0u_save_rebase.py`. */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));
const CATALOG = require("./helper_322_catalog_module.cjs");

const ROOT = path.join(__dirname, "..", "..");
const job = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));

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;
    },
  };
}
globalThis.window = {
  sessionStorage: memoryStorage(),
  localStorage: memoryStorage(),
  setTimeout,
  clearTimeout,
};

const STUBS = {};
const cache = new Map();
function loadTs(full) {
  if (cache.has(full)) return cache.get(full);
  const js = ts.transpileModule(fs.readFileSync(full, "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const box = { exports: {} };
  cache.set(full, box.exports);
  const localRequire = (request) => {
    if (CATALOG.isCatalogRequest(request)) return CATALOG;
    const key = Object.keys(STUBS).find((name) => request.endsWith(name));
    if (key) return STUBS[key];
    if (request.startsWith("@config/")) return { API_BASE_URL: "http://fake" };
    if (request.startsWith("@util/"))
      return loadTs(path.join(ROOT, "common_util", `${request.slice(6)}.ts`));
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    return require(request);
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  return box.exports;
}
const load = (...parts) => loadTs(path.join(ROOT, ...parts));

const calls = [];
const sent = [];
let routeSavedOnServer = false;
let routeBody = null;
const withLonlat = (list) => list.map((pipe) => ({ ...pipe, lonlat: [0, 0] }));
STUBS["ui_template_elements"] = {
  showLoadingOverlay: () => undefined,
  hideLoadingOverlay: () => undefined,
  showToast: () => undefined,
};
STUBS["B04_PreProcess_Api_Fetch"] = {
  fetchDetailPipePoints: async () => {
    calls.push("GET");
    return { pipe_points: withLonlat(routeSavedOnServer ? job.after : job.before) };
  },
  saveDetailPipePoints: async (_projectId, pipes) => {
    calls.push("PUT");
    sent.push(pipes);
    return {};
  },
};
STUBS["B05_Profile_Api_Structures"] = { flushPendingStructures: async () => undefined };
STUBS["B05_Profile_Api_Fetch"] = {
  flushUphillOverrides: async () => undefined,
  saveProfileAlignment: async () => ({}),
};
STUBS["B05_Profile_UI_Profile_Edit"] = {
  markAlignmentSaved: () => undefined,
  pendingAlignment: () => null,
};
STUBS["B06_Section_Api_Culvert_Options"] = { flushCulvertOptions: async () => undefined };
STUBS["B05_Profile_UI_RouteEdit_Apply"] = {
  pendingRouteSave: async () => routeBody,
  saveRouteDraft: async () => {
    calls.push("ROUTE");
    routeSavedOnServer = true;
    return { route_id: 8 };
  },
  carryAfterRouteSave: async () => 0,
  routeSaveSummary: () => "",
  rebuildAfterRouteSave: async () => undefined,
};
const save = load("A00_Common", "design", "design_save.ts");
const drafts = load("B05_Profile", "B05_Profile_Api_Pipes_Draft.ts");
const follow = load("common_util", "common_util_route_follow.ts");

const P = "proj-3490u-save";
async function once(route, draft) {
  calls.length = 0;
  sent.length = 0;
  routeSavedOnServer = false;
  routeBody = route ? { draft: {} } : null;
  drafts.writePendingPipes(P, draft);
  let failure = null;
  const ok = await save.saveDesign({
    projectId: P,
    routeId: () => 7,
    cross: async () => undefined,
    failed: (error) => (failure = String(error && error.stack ? error.stack : error)),
  });
  if (failure) throw new Error(failure);
  return { ok, calls: [...calls], sent: [...sent], left: drafts.readPendingPipes(P) };
}

async function run() {
  window.localStorage.setItem("frd_current_project_id", P);
  const rebased = await once(true, job.draft);
  const noDraft = await once(true, null);
  const noRoute = await once(false, job.draft);
  // 덤 — 좌표 없는 초안 관: 같은 id · 같은 누가거리 정본이면 그 좌표(노선 밖이어도) · 아니면 노선 위
  const placed = follow.placeOnLine(
    [{ id: "a", chainage_m: 40 }, { id: "b", chainage_m: 60 }, { chainage_m: 70 }],
    [
      { x: 0, y: 0 },
      { x: 100, y: 0 },
    ],
    [
      { id: "a", chainage_m: 40, x: 40.4, y: 3 },
      { id: "b", chainage_m: 55, x: 55, y: 0 },
    ],
  );
  return { rebased, noDraft, noRoute, placed };
}

run()
  .then((out) => {
    process.stdout.write(JSON.stringify(out));
    process.exit(0);
  })
  .catch((error) => {
    process.stderr.write(String(error && error.stack ? error.stack : error));
    process.exit(1);
  });