function prepareEnvironment() {
  document.head.innerHTML = '<meta name="csrf-token" content="csrf-token" />'
  vi.spyOn(Storage.prototype, 'getItem').mockReturnValue('visitor-123')
  vi.spyOn(Storage.prototype, 'setItem').mockImplementation(() => {})
  globalThis.fetch = vi.fn(() => Promise.resolve({ ok: true, headers: { get: () => 'application/json' }, json: () => Promise.resolve({ ok: true }) }))
}

function cleanupEnvironment() {
  vi.restoreAllMocks()
  document.head.innerHTML = ''
}

test('academy search click attribution uses sendBeacon without blocking navigation', async () => {
  prepareEnvironment()

  const { trackAcademySearchResultClick } = await import('./academyAnalytics.js')

  Object.defineProperty(navigator, 'sendBeacon', {
    configurable: true,
    value: vi.fn(() => true),
  })

  const result = trackAcademySearchResultClick({
    eventUrl: '/academy/analytics/events',
    pageName: 'academy_prompts_index',
  }, {
    query: 'robot mascot',
    resultsCount: 12,
    filters: { difficulty: 'beginner' },
  }, {
    contentType: 'academy_prompt',
    contentId: 123,
    position: 3,
  })

  expect(result).toBeUndefined()
  expect(navigator.sendBeacon).toHaveBeenCalledTimes(1)
  expect(globalThis.fetch).not.toHaveBeenCalled()

  cleanupEnvironment()
})

test('academy search click attribution falls back to keepalive fetch when sendBeacon cannot queue', async () => {
  prepareEnvironment()

  const { trackAcademySearchResultClick } = await import('./academyAnalytics.js')

  Object.defineProperty(navigator, 'sendBeacon', {
    configurable: true,
    value: vi.fn(() => false),
  })

  trackAcademySearchResultClick({
    eventUrl: '/academy/analytics/events',
    pageName: 'academy_prompts_index',
  }, {
    query: 'robot mascot',
    resultsCount: 12,
    filters: { difficulty: 'beginner' },
  }, {
    contentType: 'academy_prompt',
    contentId: 123,
    position: 3,
  })

  expect(globalThis.fetch).toHaveBeenCalledTimes(1)
  expect(globalThis.fetch.mock.calls[0][1].keepalive).toBe(true)

  cleanupEnvironment()
})