import { formatLighthouseResults } from '..';

describe('formatLighthouseResults', () => {
  const MOCK_VERCEL_PREVIEW_URL = `https://some.vercel.preview.url`;

  const MOCK_LIGHTHOUSE_RESULT = `[
    {
      "url": "${MOCK_VERCEL_PREVIEW_URL}/en",
      "isRepresentativeRun": true,
      "summary": { "performance": 0.99, "accessibility": 0.98, "best-practices": 1, "seo": 0.96, "pwa": 0.71 }
    },
    {
      "url": "${MOCK_VERCEL_PREVIEW_URL}/en/download",
      "isRepresentativeRun": true,
      "summary": { "performance": 0.49, "accessibility": 0.75, "best-practices": 1, "seo": 0.90, "pwa": 0.71 }
    }
  ]`;

  const MOCK_LIGHTHOUSE_LINKS = `{
    "${MOCK_VERCEL_PREVIEW_URL}/en": "fake.url/to/result/1",
    "${MOCK_VERCEL_PREVIEW_URL}/en/download" : "fake.url/to/result/2"
  }`;

  let mockCore, originalEnv;

  beforeEach(() => {
    mockCore = { setOutput: jest.fn() };
    originalEnv = process.env;
    process.env = {
      ...process.env,
      LIGHTHOUSE_RESULT: MOCK_LIGHTHOUSE_RESULT,
      LIGHTHOUSE_LINKS: MOCK_LIGHTHOUSE_LINKS,
      VERCEL_PREVIEW_URL: MOCK_VERCEL_PREVIEW_URL,
    };
  });

  afterEach(() => {
    process.env = originalEnv;
  });

  it('formats preview urls correctly', () => {
    formatLighthouseResults({ core: mockCore });

    const expectations = [
      expect.stringContaining(`[/en](${MOCK_VERCEL_PREVIEW_URL}/en)`),
      expect.stringContaining(
        `[/en/download](${MOCK_VERCEL_PREVIEW_URL}/en/download)`
      ),
    ];

    expectations.forEach(expectation => {
      expect(mockCore.setOutput).toBeCalledWith('comment', expectation);
    });
  });

  it('formats stoplight colors correctly', () => {
    formatLighthouseResults({ core: mockCore });

    const expectations = [
      expect.stringContaining(`🟢 90`),
      expect.stringContaining(`🟠 75`),
      expect.stringContaining(`🔴 49`),
    ];

    expectations.forEach(expectation => {
      expect(mockCore.setOutput).toBeCalledWith('comment', expectation);
    });
  });
});