import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';

import 'apple_pay_platform_interface.dart';

/// An implementation of [ApplePayPlatform] that uses method channels.
class MethodChannelApplePay extends ApplePayPlatform {
  /// The method channel used to interact with the native platform.
  @visibleForTesting
  final methodChannel = const MethodChannel('apple_pay');

  @override
  Future<String?> getPlatformVersion() async {
    final version = await methodChannel.invokeMethod<String>('getPlatformVersion');
    return version;
  }

  @override
  Future<Map<String, dynamic>> purchase({
    required String productId,
    String? appAccountToken,
  }) async {
    try {
      final result = await methodChannel.invokeMethod<Map<dynamic, dynamic>>(
        'purchase',
        {
          'appleId': productId,
          'appAccountToken': appAccountToken,
        },
      );

      return result?.cast<String, dynamic>() ?? {
        'success': false,
        'error': 'No result returned',
      };
    } catch (e) {
      return {
        'success': false,
        'error': e.toString(),
      };
    }
  }

  @override
  Future<Map<String, dynamic>> restore() async {
    try {
      final result = await methodChannel.invokeMethod<Map<dynamic, dynamic>>(
        'restore',
      );

      return result?.cast<String, dynamic>() ?? {
        'success': false,
        'error': 'No result returned',
      };
    } catch (e) {
      return {
        'success': false,
        'error': e.toString(),
      };
    }
  }

  @override
  Future<bool> check(String appleId) async {
    try {
      // 调用原生方法并处理可能的空值
      final result = await methodChannel.invokeMethod<bool>('check',
        {'appleId': appleId},
      );
      return result ?? false; // 如果结果为 null，返回 false
    } on PlatformException catch (e) {
      print('检查试用资格失败: ${e.message}');
      return false; // 发生错误时返回 false
    } catch (e) {
      print('未知错误: $e');
      return false;
    }
  }
}