import 'dart:io';

import 'package:app_tracking_transparency/app_tracking_transparency.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:uuid/uuid.dart';

class IosDeviceInfo {
  static String _idfa = "";
  static String _idfv = "";

  static Future<void> iosInit() async {
    final DeviceInfoPlugin deviceInfoPlugin = DeviceInfoPlugin();
    if (Platform.isIOS) {
      var iosInfo = await deviceInfoPlugin.iosInfo;

      // 获取idfv
      if (_idfv.isEmpty) {
        _idfv = iosInfo.identifierForVendor ?? const Uuid().v4();
      }

      // 获取idfa
      if (_idfa.isEmpty) {
        final TrackingStatus status =
            await AppTrackingTransparency.trackingAuthorizationStatus;
        if (status == TrackingStatus.notDetermined) {
          final TrackingStatus newStatus =
              await AppTrackingTransparency.requestTrackingAuthorization();
          if (newStatus == TrackingStatus.authorized) {
            _idfa = await AppTrackingTransparency.getAdvertisingIdentifier();
          }
        } else if (status == TrackingStatus.authorized) {
          _idfa = await AppTrackingTransparency.getAdvertisingIdentifier();
        }
      }
    }
  }

  /// 隐私追踪弹窗
  Future<void> _appTrackingTransparency() async {
    final TrackingStatus status =
        await AppTrackingTransparency.trackingAuthorizationStatus;
    if (status == TrackingStatus.notDetermined) {
      await AppTrackingTransparency.requestTrackingAuthorization();
    } else if (status == TrackingStatus.authorized) {
      print(await AppTrackingTransparency.getAdvertisingIdentifier());
    }
  }

  static String getIdfa() {
    return _idfa;
  }

  static String getIdfv() {
    return _idfv;
  }
}