export function isMobile() {
  return /Android|webOS|iPhone|iPad|iPod|BlackBerry|Windows Phone|IEMobile|Opera Mini/i.test(
    navigator.userAgent
  );
}
export function isIos() {
  return !!navigator.userAgent.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
}
export function isIpad() {
  return /iPad/i.test(navigator.userAgent);
}
export function isAndroid() {
  return (
    navigator.userAgent.indexOf('Android') > -1 ||
    navigator.userAgent.indexOf('Adr') > -1
  );
}

//进入全屏
export function entryFullScreen(ele: Document | Window | HTMLElement | any) {
  if (!ele) {
    return;
  }
  if (ele?.requestFullscreen) {
    ele.requestFullscreen();
  } else if (ele?.mozRequestFullScreen) {
    ele.mozRequestFullScreen();
  } else if (ele?.webkitRequestFullScreen) {
    ele.webkitRequestFullScreen();
  }
}
//退出全屏
export function exitFullscreen(ele?: Document | Window | HTMLElement | any) {
  const isFullscreen =
    document.fullscreenElement ||
    document.webkitFullscreenElement ||
    document.webkitCurrentFullScreenElement ||
    document.mozFullScreenElement ||
    document.msFullscreenElement;
  if (isFullscreen) {
    try {
      const de = ele || document;
      if (de.exitFullscreen) {
        de.exitFullscreen();
      } else if (de.mozCancelFullScreen) {
        de.mozCancelFullScreen();
      } else if (de.webkitCancelFullScreen) {
        de.webkitCancelFullScreen();
      }
    } catch (error) {
      console.log(error);
    }
  }
}