let _statusBarHeight: number | null = null
let _bottomSafeArea: number | null = null

export function getStatusBarHeight(): number {
  if (_statusBarHeight === null) {
    _initSafeArea()
  }
  return _statusBarHeight || 0
}

export function getBottomSafeArea(): number {
  if (_bottomSafeArea === null) {
    _initSafeArea()
  }
  return _bottomSafeArea || 0
}

function _initSafeArea() {
  try {
    const info = uni.getSystemInfoSync()
    _statusBarHeight = info.statusBarHeight || 0
    if (info.safeArea && info.screenHeight) {
      _bottomSafeArea = info.screenHeight - info.safeArea.bottom
    } else {
      _bottomSafeArea = 0
    }
  } catch (e) {
    _statusBarHeight = 0
    _bottomSafeArea = 0
  }
}