import { describe, it, expect } from 'vitest';
import { GroupSecret } from '../src/identity';
import { bytesToHex } from '../src/parser';

describe('GroupSecret.fromName', () => {
  it('computes Public secret correctly', () => {
    const g = GroupSecret.fromName('Public');
    expect(bytesToHex(g.secret)).toBe('8b3387e9c5cdea6ac9e5edbaa115cd72');
  });

  it('computes #test secret correctly', () => {
    const g = GroupSecret.fromName('#test');
    expect(bytesToHex(g.secret)).toBe('9cd8fcf22a47333b591d96a2b848b73f');
  });

  it('throws for invalid names', () => {
    expect(() => GroupSecret.fromName('foo')).toThrow();
  });

  it('accepts single # and returns 16 bytes', () => {
    const g = GroupSecret.fromName('#');
    expect(g.secret).toBeInstanceOf(Uint8Array);
    expect(g.secret.length).toBe(16);
  });

  it('returns GroupSecret instances consistently', () => {
    const a = GroupSecret.fromName('#abc');
    const b = GroupSecret.fromName('#abc');
    expect(bytesToHex(a.secret)).toBe(bytesToHex(b.secret));
  });
});