import 'dart:convert';
import 'dart:typed_data';

import 'package:halkyon_content/halkyon_content.dart';
import 'package:test/test.dart';

/// An agent's keys (Halkyon's ADR 0044, D6): made where it runs, each
/// agent's its own, and what a cipher unlocks to seal and open with.
void main() {
  test("new keys are an account's own, and seal what they open", () async {
    final one = await newAccountKeys();
    final other = await newAccountKeys();
    expect(one.encryptionSecretKey, hasLength(32));
    expect(one.signingSecretKey, hasLength(64));
    expect(one.encryptionPublicKey, isNot(other.encryptionPublicKey));
    expect(one.signingPublicKey, isNot(other.signingPublicKey));

    final cipher = SodiumContentCipher();
    addTearDown(cipher.dispose);
    await cipher.unlock(one);
    cipher.newKey('k-1');
    final sealed = cipher.seal(
      Uint8List.fromList(utf8.encode('猫')),
      keyId: 'k-1',
      context: utf8.encode('card|1'),
    );
    expect(
      utf8.decode(cipher.unseal(sealed, context: utf8.encode('card|1'))!),
      '猫',
    );
  });
}