import 'package:flutter/material.dart';
import 'package:local_auth/local_auth.dart';
import 'package:flutter/services.dart';
import 'dart:io' show Platform;


class BiometricsDataSource {
  final _localAuth = LocalAuthentication();
  List<BiometricType>? _availableBiometrics;

  bool isPlatformSupportedByLocalAuth =
      Platform.isAndroid || Platform.isIOS || Platform.isWindows;

  Future<bool> isAvailable() async {
    if (!isPlatformSupportedByLocalAuth) {
      return false;
    }

    late List<BiometricType> _availableBiometrics;
    try {
      _availableBiometrics = await _localAuth.getAvailableBiometrics();
    } on PlatformException catch (e) {
      debugPrint('[ERROR] local_auth getAvailableBiometrics: ${e}');
      return false;
    }

    if (await _localAuth.isDeviceSupported() &&
        await _localAuth.canCheckBiometrics &&
        _availableBiometrics.isNotEmpty
    ) {
      return true;
    } else {
      return false;
    }
  }
}