/* 388 보안 — 진짜 TS(b_page_state · b_project_switch · design_store)를 가짜 저장소 위에서 돌려
 * JSON 으로 냄: 로그아웃 지움 · 계정 바뀜 지움 · 세션 넘침 · 탭이 연 프로젝트 고정. */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

const ROOT = path.join(__dirname, "..", "..");
const load = (rel, requireStub) => {
  const js = ts.transpileModule(fs.readFileSync(path.join(ROOT, rel), "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const exports = {};
  new Function("exports", "require", "window", js)(exports, requireStub, global.window);
  return exports;
};

/** 진짜 Storage 처럼 Object.keys 가 열쇠를 냄 · limit 글자 넘으면 QuotaExceededError. */
function fakeStorage(limit = Infinity) {
  const data = {};
  const size = () => Object.entries(data).reduce((n, [k, v]) => n + k.length + v.length, 0);
  const api = {
    length: { get: () => Object.keys(data).length },
    key: { value: (i) => Object.keys(data)[i] ?? null },
    getItem: { value: (k) => (k in data ? data[k] : null) },
    setItem: {
      value: (k, v) => {
        const old = data[k];
        data[k] = String(v);
        if (size() > limit) {
          if (old === undefined) delete data[k];
          else data[k] = old;
          const error = new Error("full");
          error.name = "QuotaExceededError";
          throw error;
        }
      },
    },
    removeItem: { value: (k) => delete data[k] },
    clear: { value: () => Object.keys(data).forEach((k) => delete data[k]) },
  };
  return new Proxy(data, {
    get: (t, p) => (p in api ? (api[p].get ? api[p].get() : api[p].value) : t[p]),
  });
}
global.window = { sessionStorage: fakeStorage(), localStorage: fakeStorage() };

const toasts = [];
const pageState = load("A00_Common/b_page_state.ts", () => ({
  t: (key) => key,
  showToast: (msg, kind) => toasts.push([msg, kind]),
}));
const purged = [];
const config = { CURRENT_PROJECT_ID_KEY: "frd_current_project_id" };
const sw = load("A00_Common/b_project_switch.ts", (id) => {
  if (id.includes("b_page_state")) return pageState;
  if (id.includes("b_asset_cache")) return { purgeOtherProjects: async (p) => purged.push(p) };
  if (id.includes("config_frontend")) return config;
  return { showConfirmDialog: async () => true };
});
const store = load("A00_Common/design/design_store.ts", (id) =>
  id.includes("b_page_state") ? pageState : config,
);

const P = "aaaa1111";
const seed = () => {
  global.window.sessionStorage = fakeStorage();
  const s = global.window.sessionStorage;
  s.setItem(`aislo:draft:structures:${P}`, '[{"id":1}]');
  s.setItem(`aislo:result:section-detail:${P}:7`, '{"d":1}');
  s.setItem("aislo:entered-project", P);
  s.setItem("b05:pipes", "[1]");
  global.window.localStorage.setItem("frd_current_project_id", P);
  global.window.localStorage.setItem("aislo:pref:panel:x", "1");
  purged.length = 0;
};
const sessionKeys = () => Object.keys(global.window.sessionStorage).sort();
const local = (k) => global.window.localStorage.getItem(k);
const tick = () => new Promise((r) => setTimeout(r, 0));

(async () => {
  const out = {};

  seed();
  await sw.wipeAccountCache();
  out.logout = {
    session: sessionKeys(),
    project: local("frd_current_project_id"),
    pref: local("aislo:pref:panel:x"),
    purged: [...purged],
  };

  global.window.localStorage.removeItem("aislo:owner");
  seed();
  out.owner = { first: await sw.wipeIfOwnerChanged("u1"), firstKeys: sessionKeys().length };
  seed();
  out.owner.same = await sw.wipeIfOwnerChanged("u1");
  out.owner.sameKeys = sessionKeys().length;
  out.owner.other = await sw.wipeIfOwnerChanged("u2");
  out.owner.otherKeys = sessionKeys().length;
  out.owner.otherProject = local("frd_current_project_id");
  out.owner.stored = local("aislo:owner");
  // 서버 id 가 수로 옴 — 같은 계정 수 id 는 두 번째에 안 지움(새로고침 되풀이 막음)
  await sw.wipeIfOwnerChanged(3);
  out.owner.numericAgain = await sw.wipeIfOwnerChanged(3);

  // 세션 넘침 — 결과 칸 비우고 다시 · 그래도 넘치면 안내
  global.window.sessionStorage = fakeStorage(400);
  const s = global.window.sessionStorage;
  s.setItem(`aislo:result:section-detail:${P}:7`, "r".repeat(200));
  s.setItem(`aislo:draft:structures:${P}`, "d".repeat(50));
  pageState.writeByKey(`aislo:draft:crossw:${P}:7`, "c".repeat(100));
  out.overflow = {
    saved: s.getItem(`aislo:draft:crossw:${P}:7`)?.length ?? 0,
    result: s.getItem(`aislo:result:section-detail:${P}:7`),
    draft: s.getItem(`aislo:draft:structures:${P}`)?.length ?? 0,
    toasts: toasts.length,
  };
  pageState.writeByKey(`aislo:draft:crossw:${P}:8`, "c".repeat(500));
  await tick();
  out.full = { saved: s.getItem(`aislo:draft:crossw:${P}:8`), toasts: [...toasts] };

  // 탭이 연 프로젝트 고정 — 다른 탭이 현재 프로젝트를 바꿔도 그대로
  global.window.localStorage.setItem("frd_current_project_id", "first");
  out.pin = { before: store.draftProjectId() };
  store.pinDraftProject("first");
  global.window.localStorage.setItem("frd_current_project_id", "other-tab");
  out.pin.after = store.draftProjectId();
  out.pin.explicit = store.draftProjectId("given");
  process.stdout.write(JSON.stringify(out));
})();