import { encodeURI } from 'js-base64'

import { getStorage, setStorage } from '../storage'

export const getIsMobile = () => {
  const ua = typeof window.navigator === 'undefined' ? '' : navigator.userAgent
  const mobile = Boolean(
    ua.match(
      /Android|BlackBerry|iPhone|iPad|iPod|Opera Mini|IEMobile|WPDesktop/i
    )
  )
  return mobile
}

export const getIsAndroid = () => {
  const ua = navigator.userAgent
  const android = Boolean(ua.match(/Android/i))
  return android
}

export const getHref = (isAndroid: boolean, wc?: string) => {
  const appID = 'xoqXxUSMRccLCrZNRebmzj'
  const startPagePath = 'L3BhZ2VzL2Rhc2hib2FyZC1uZXcvaW5kZXg='

  let qs = `appId=${appID}&startPagePath=${startPagePath}`
  if (wc) {
    const startPageQuery = encodeURI(
      `wc=${encodeURIComponent(wc)}&isDeepLink=true&id=${+new Date()}`
    )
    qs = `${qs}&startPageQuery=${startPageQuery}`
  }
  const host = '//app.binance.com'
  if (isAndroid) {
    return `bnc:${host}/mp/app?${qs}`
  }
  return `https:${host}/?_dp=${encodeURI(`/mp/app?${qs}`)}`
}

export const openBinanceDeepLink = (wc?: string) => {
  const isMobile = getIsMobile()
  const href = getHref(true, wc)
  if (!isMobile) return

  const a = document.createElement('a')
  a.href = href
  document.body.appendChild(a)
  a.click()
  document.body.removeChild(a)
}