import { describe, expect, it } from 'vitest';
import { DEFAULT_OPENAI, readSettings } from '../src/core/openai';

describe('DEFAULT_OPENAI', () => {
  it('points to AITUNNEL gpt-4o-transcribe with no key and auto language', () => {
    expect(DEFAULT_OPENAI).toEqual({
      baseUrl: 'https://api.aitunnel.ru/v1',
      model: 'gpt-4o-transcribe',
      apiKey: '',
      language: '',
    });
  });
});

describe('readSettings', () => {
  it.each([undefined, null, 'str', 42, []])('falls back to defaults for %j', (saved) => {
    expect(readSettings(saved)).toEqual(DEFAULT_OPENAI);
  });

  it('overlays saved fields on defaults', () => {
    expect(readSettings({ apiKey: 'sk-test-1' })).toEqual({ ...DEFAULT_OPENAI, apiKey: 'sk-test-1' });
  });

  it('trims all four fields', () => {
    expect(
      readSettings({ baseUrl: ' https://x/v1 ', model: ' m \n', apiKey: '  sk-test-1 \n', language: ' ru ' }),
    ).toEqual({ baseUrl: 'https://x/v1', model: 'm', apiKey: 'sk-test-1', language: 'ru' });
  });

  it('uses the default for a non-string field', () => {
    expect(readSettings({ model: 5, apiKey: null })).toEqual(DEFAULT_OPENAI);
  });

  it('keeps an explicitly blanked baseUrl blank (precheck reports it)', () => {
    expect(readSettings({ baseUrl: '   ' }).baseUrl).toBe('');
  });

  it('returns a fresh object', () => {
    const s = readSettings(undefined);
    s.apiKey = 'changed';
    expect(DEFAULT_OPENAI.apiKey).toBe('');
  });
});