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/home/comfrqjt/www/wp-content/plugins/extendify/src/Launch/api/__tests__/getSiteStrings.test.js
import { getSiteStrings } from '@launch/api/DataApi';

const fallback = { aiHeaders: [], aiBlogTitles: [] };
const originalFetch = global.fetch;

describe('getSiteStrings', () => {
  beforeEach(() => {
    global.fetch = jest.fn();
  });

  afterEach(() => {
    jest.clearAllMocks();
    global.fetch = originalFetch;
  });

  it('returns parsed JSON when fetch succeeds with valid data', async () => {
    const mockResponse = {
      aiHeaders: ['Header 1', 'Header 2'],
      aiBlogTitles: ['Post A', 'Post B'],
    };
    global.fetch.mockResolvedValueOnce({
      ok: true,
      json: () => mockResponse,
    });

    const result = await getSiteStrings({ foo: 'bar' });
    expect(result).toEqual(mockResponse);
    expect(global.fetch).toHaveBeenCalledTimes(1);
  });

  it('returns fallback when first fetch throws and second returns not ok', async () => {
    global.fetch
      .mockRejectedValueOnce(new Error('Network error'))
      .mockResolvedValueOnce({ ok: false });

    const result = await getSiteStrings({ foo: 'bar' });
    expect(result).toEqual(fallback);
    expect(global.fetch).toHaveBeenCalledTimes(2);
  });

  it('returns fallback when both fetch attempts throw', async () => {
    global.fetch
      .mockRejectedValueOnce(new Error('Network error'))
      .mockRejectedValueOnce(new Error('Still failing'));

    const result = await getSiteStrings({ foo: 'bar' });
    expect(result).toEqual(fallback);
    expect(global.fetch).toHaveBeenCalledTimes(2);
  });

  it('returns fallback when response is ok but JSON parsing fails', async () => {
    global.fetch.mockResolvedValueOnce({
      ok: true,
      json: () => {
        throw new Error('Invalid JSON');
      },
    });

    const result = await getSiteStrings({ foo: 'bar' });
    expect(result).toEqual(fallback);
    expect(global.fetch).toHaveBeenCalledTimes(1);
  });

  it('returns fallback when response is ok but payload lacks aiHeaders', async () => {
    global.fetch.mockResolvedValueOnce({
      ok: true,
      json: () => ({ aiBlogTitles: ['Only titles, no headers'] }),
    });

    const result = await getSiteStrings({ foo: 'bar' });
    expect(result).toEqual(fallback);
    expect(global.fetch).toHaveBeenCalledTimes(1);
  });

  it('returns fallback when fetch resolves with undefined response', async () => {
    global.fetch.mockResolvedValueOnce(undefined);

    const result = await getSiteStrings({ foo: 'bar' });
    expect(result).toEqual(fallback);
    expect(global.fetch).toHaveBeenCalledTimes(1);
  });

  it('returns fallback when response ok=false without throwing (no retry by design)', async () => {
    global.fetch.mockResolvedValueOnce({ ok: false });

    const result = await getSiteStrings({ foo: 'bar' });
    expect(result).toEqual(fallback);
    expect(global.fetch).toHaveBeenCalledTimes(1);
  });
});