/**
 * @jest-environment jsdom
 */
const ogWarn = console.warn
import * as KoalaSDK from '../browser'

// Prevent API calls from being made
jest.mock('../api/collect', () => ({
  collectPages: jest.fn(() => Promise.resolve(undefined)),
  qualify: jest.fn(() => Promise.resolve({ qualification: {} }))
}))

describe('auto-installer', () => {
  beforeEach(() => {
    window.fetch = jest.fn()
    console.warn = jest.fn()

    window.ko?.removeListeners?.()

    // Pseudo-snippet injected into the browser.
    // @ts-expect-error dynamic code
    window.ko = []
    ;['identify', 'track', 'removeListeners', 'on', 'off', 'ready', 'qualify'].forEach((method) => {
      // @ts-expect-error dynamic code
      ko[method] = function () {
        const args = Array.from(arguments)
        args.unshift(method)
        // @ts-expect-error dynamic code
        ko.push(args)
        // @ts-expect-error dynamic code
        return ko
      }
    })
  })

  afterEach(() => {
    console.warn = ogWarn
  })

  // TODO actually test the functions in `browser-install.ts`
  test('should let you use event listeners before loading the SDK', (done) => {
    expect.assertions(1)
    ;(window.fetch as jest.Mock).mockResolvedValue({
      ok: true,
      json: () => ({ sdk_settings: {} })
    })

    const spy = jest.fn()

    window.ko?.ready(spy)
    window.ko?.on('profile-update', spy)

    KoalaSDK.load({ project: 'test' })

    setTimeout(() => {
      window.ko?.emit('profile-update')
      expect(spy).toHaveBeenCalledTimes(2)
      done()
    }, 100)
  })
})