import { useEffect, useState } from 'react'

export default function RevolverMaps () {
  const [load, changeLoad] = useState(false)
  useEffect(() => {
    if (!load) {
      initRevolverMaps()
      changeLoad(true)
    }
  })
  return <div id="revolvermaps" className='p-4'/>
}

function initRevolverMaps () {
  if (screen.width >= 768) {
    Promise.all([
      loadExternalResource('https://rf.revolvermaps.com/0/0/8.js?i=5jnp1havmh9&amp;m=0&amp;c=ff0000&amp;cr1=ffffff&amp;f=arial&amp;l=33')
    ]).then(() => {
    //   console.log('地图加载完成')
    })
  }
}

// 封装异步加载资源的方法
function loadExternalResource (url) {
  return new Promise((resolve, reject) => {
    const container = document.getElementById('revolvermaps')
    const tag = document.createElement('script')
    tag.src = url
    if (tag) {
      tag.onload = () => resolve(url)
      tag.onerror = () => reject(url)
      container.appendChild(tag)
    }
  })
}