'use strict'

import DetectRTC from 'detectrtc'
const { ENVIRONMENT_TYPE_POPUP } = require('../../app/scripts/lib/enums')
const { getEnvironmentType } = require('../../app/scripts/lib/util')

class WebcamUtils {

  static checkStatus () {
    return new Promise((resolve, reject) => {
      const isPopup = getEnvironmentType(window.location.href) === ENVIRONMENT_TYPE_POPUP
      const isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1
      const isBrave = !!window.chrome.ipcRenderer
      const isFirefoxOrBrave = isFirefox || isBrave
      try {
        DetectRTC.load(_ => {
          if (DetectRTC.hasWebcam) {
              let environmentReady = true
              if ((isFirefoxOrBrave && isPopup) || (isPopup && !DetectRTC.isWebsiteHasWebcamPermissions)) {
                environmentReady = false
              }
              resolve({
                permissions: DetectRTC.isWebsiteHasWebcamPermissions,
                environmentReady,
              })
          } else {
              reject({type: 'NO_WEBCAM_FOUND'})
          }
        })
      } catch (e) {
        reject({type: 'UNKNOWN_ERROR'})
      }
    })
  }
}

module.exports = WebcamUtils