describe("Video Player", () => {
  it("does not have any errors on the page", () => {
    browser.manage().logs().get("browser")
      .then(logs => {
        expect(utils.filterLogs(logs)).toEqual([])
      })
  })

  it("fires google analytics beacons", () => {
    browser.executeScript("return window.performance.getEntries()")
      .then((entries) => {
        const ga = utils.getGoogleAnalyticsBeacons(entries)
        const firstEvent = ga[0]

        expect(ga.length).toBeGreaterThan(5)

        expect(firstEvent.cd10).toBeDefined()
        expect(firstEvent.cd11).toBeDefined()
        expect(firstEvent.cd12).toBeDefined()
        expect(firstEvent.cd14).toEqual("ksbw") // our default data layer
      })
  })
});

/**
 * this method returns the logs with known, safe logs removed
 */
filterLogs: function (logs) {
  const filter = (log) => !(
    log.level.name !== "SEVERE" || // remove WARNINGs and below
    /favicon/.test(log.message) || // remove the favicon warning if present
    /development build of React/.test(log.message) // remove react dev warning
  )

  return logs.filter(filter)
}

/**
 * This method parses the window.performance.getEntries() result for google analytics beacons.
 * We explicitly filter out the initial call to the analytics.js file.
 *
 * @params {[PerformanceQuery]} performance the result of browser.performance.getEntries()
 */
getGoogleAnalyticsBeacons: function (performance) {
  const ga = performance.filter(entry => /www.google-analytics.com(?!\/analytics.js)/.test(entry.name))
  return ga.map(e => this.fromQuerystring(e.name.substring(e.name.indexOf("?") + 1)))
}

/**
 * Convert a querystring and convert it to a hash of the parameters.
 *
 * @param {String} urlParamString - URL parameter string to be converted.
 * @return {{}} - URL parameter hash.
 */
fromQuerystring: function (urlParamString) {
  const result = {}
  const urlParamArr = urlParamString.split("&")
  let i
  for (i of urlParamArr) {
    const a = i.split("=")
    result[a[0]] = decodeURIComponent(a[1] || "")
    if (result[a[0]].indexOf("=") > 0) {
      result[a[0]] = this.fromQuerystring(result[a[0]])
    }
  }

  return result
}