// The reverse-direction cross-implementation gate: the committed fixture was
// encrypted by the NATIVE client (LChatCore's GroupKey.encryptJSON — see
// NativeMessageVectorTests, regenerated with RECORD_VECTORS=1 swift test), and
// the web's crypto.js must open it. messageblob.test.mjs proves web→native;
// this proves native→web — together they pin the native send path, so a
// message sent from the Mac app provably renders for every web member.
import { readFileSync } from "node:fs";
import { fileURLToPath } from "node:url";
import { dirname, join } from "node:path";
import { importKey, decrypt } from "../web/static/crypto.js";

const here = dirname(fileURLToPath(import.meta.url));
const fixturePath = join(
  here, "..", "ios", "LChatCore", "Tests", "LChatCoreTests", "Fixtures", "native-message-vector.json"
);

function assert(cond, msg) {
  if (!cond) {
    console.error("FAIL:", msg);
    process.exit(1);
  }
}

const fx = JSON.parse(readFileSync(fixturePath, "utf8"));
const got = await decrypt(await importKey(fx.keyB64), fx.blob);
for (const [k, v] of Object.entries(fx.expect)) {
  assert(JSON.stringify(got[k]) === JSON.stringify(v), `field ${k}: ${JSON.stringify(got[k])} != ${JSON.stringify(v)}`);
}
console.log("nativeblob.test.mjs OK");