import { describe, it, expect, beforeEach } from 'vitest';
import { writeFileSync, mkdtempSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { resolveSecret } from '../../lib/ai/secret.js';

describe('resolveSecret', () => {
  beforeEach(() => { delete process.env.__SECRET_TEST; });

  it('resolves env: specs', () => {
    process.env.__SECRET_TEST = 'sk-from-env';
    expect(resolveSecret('env:__SECRET_TEST')).toBe('sk-from-env');
  });

  it('resolves file: specs (trimmed)', () => {
    const dir = mkdtempSync(join(tmpdir(), 'sec-'));
    const f = join(dir, 'key');
    writeFileSync(f, 'sk-from-file\n');
    expect(resolveSecret('file:' + f)).toBe('sk-from-file');
  });

  it('returns a raw value unchanged', () => {
    expect(resolveSecret('sk-raw')).toBe('sk-raw');
  });

  it('returns null for empty/missing', () => {
    expect(resolveSecret('')).toBeNull();
    expect(resolveSecret('env:__SECRET_TEST')).toBeNull();
  });
});