import { Platform } from 'react-native';
import ScanQRFile from './NativeScanQRFile';
export * from './BarcodeScannerViewNativeComponent';
export { default as BarcodeScannerView } from './BarcodeScannerViewNativeComponent';

export async function scan(filePath: string): Promise<string | undefined> {
  if (!ScanQRFile) {
    return undefined;
  }
  return ScanQRFile.scan(filePath);
}

export async function getNumberOfCameras(): Promise<number> {
  if (Platform.OS !== 'web') {
    return 2;
  }
  const enumerateDevices = await navigator.mediaDevices.enumerateDevices();
  const numberOfCameras = enumerateDevices.filter(
    (i) => i.kind === 'videoinput'
  ).length;
  return numberOfCameras;
}