import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { AnalyticsEvent, track, trackPageView } from './analytics'

describe('analytics.track', () => {
  beforeEach(() => {
    window.gtag = vi.fn()
  })
  afterEach(() => {
    delete window.gtag
  })

  it('calls gtag with event name and params', () => {
    track(AnalyticsEvent.HomeCtaPortrait)
    expect(window.gtag).toHaveBeenCalledWith('event', 'home_cta_portrait', {})
  })

  it('omits undefined params', () => {
    track(AnalyticsEvent.PortraitCompleted, { source: 'query', report_id: undefined })
    expect(window.gtag).toHaveBeenCalledWith('event', 'portrait_completed', { source: 'query' })
  })

  it('does not throw when gtag missing', () => {
    delete window.gtag
    expect(() => track(AnalyticsEvent.RelationCompleted)).not.toThrow()
  })

  it('trackPageView sends page_path', () => {
    trackPageView('/portrait', '个人画像')
    expect(window.gtag).toHaveBeenCalledWith('event', 'page_view', {
      page_path: '/portrait',
      page_title: '个人画像',
    })
  })
})