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

import 'idcard_platform_interface.dart';

/// 使用方法通道的IdcardPlatform实现
class MethodChannelIdcard extends IdcardPlatform {
  /// 与原生平台交互的方法通道
  @visibleForTesting
  final methodChannel = const MethodChannel('idcard');

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

  @override
  Future<int> getUsbPermission(int vid, int pid) async {
    final result = await methodChannel.invokeMethod<int>('getUsbPermission', {
      'vid': vid,
      'pid': pid,
    });
    return result ?? -1;
  }

  @override
  Future<int> openDevice({String portType = 'USB', String portPara = '', String extendPara = ''}) async {
    final result = await methodChannel.invokeMethod<int>('openDevice', {
      'portType': portType,
      'portPara': portPara,
      'extendPara': extendPara,
    });
    return result ?? -1;
  }

  @override
  Future<int> setCurrentDevice(int devHandle) async {
    final result = await methodChannel.invokeMethod<int>('setCurrentDevice', {
      'devHandle': devHandle,
    });
    return result ?? -1;
  }

  @override
  Future<int> getCurrentDevice() async {
    final result = await methodChannel.invokeMethod<int>('getCurrentDevice');
    return result ?? -1;
  }

  @override
  Future<Map<String, String>> getLibraryInfo() async {
    final result = await methodChannel.invokeMethod('getLibraryInfo');
    if (result == null) return {'version': '', 'description': ''};
    // 安全地转换类型
    final Map<String, dynamic> data = Map<String, dynamic>.from(result as Map);
    return {
      'version': data['version']?.toString() ?? '',
      'description': data['description']?.toString() ?? '',
    };
  }

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

  @override
  Future<int> terminalHeartBeat() async {
    final result = await methodChannel.invokeMethod<int>('terminalHeartBeat');
    return result ?? -1;
  }

  @override
  Future<List<int>> getLastRecvData() async {
    final result = await methodChannel.invokeMethod<List<dynamic>>('getLastRecvData');
    return result?.cast<int>() ?? [];
  }

  @override
  Future<Map<String, String>> getTerminalFirmVersion() async {
    final result = await methodChannel.invokeMethod('getTerminalFirmVersion');
    if (result == null) return {'firmVersion': '', 'hardwareVersion': ''};
    // 安全地转换类型
    final Map<String, dynamic> data = Map<String, dynamic>.from(result as Map);
    return {
      'firmVersion': data['firmVersion']?.toString() ?? '',
      'hardwareVersion': data['hardwareVersion']?.toString() ?? '',
    };
  }

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

  @override
  Future<int> closeDevice() async {
    final result = await methodChannel.invokeMethod<int>('closeDevice');
    return result ?? -1;
  }

  @override
  Future<int> findCard() async {
    final result = await methodChannel.invokeMethod<int>('findCard');
    return result ?? -1;
  }

  @override
  Future<int> selectCard() async {
    final result = await methodChannel.invokeMethod<int>('selectCard');
    return result ?? -1;
  }

  @override
  Future<Map<String, dynamic>> idReadCard({int cardType = 0x00, int infoEncoding = 0x01, int timeOut = 30000}) async {
    final result = await methodChannel.invokeMethod('idReadCard', {
      'cardType': cardType,
      'infoEncoding': infoEncoding,
      'timeOut': timeOut,
    });
    if (result == null) {
      return {'result': -1};
    }
    // 安全地转换类型
    return Map<String, dynamic>.from(result as Map);
  }

  @override
  Future<Map<String, dynamic>> readCard({int cardType = 1, int infoEncoding = 0, int timeOut = 30000}) async {
    final result = await methodChannel.invokeMethod('readCard', {
      'cardType': cardType,
      'infoEncoding': infoEncoding,
      'timeOut': timeOut,
    });
    if (result == null) {
      return {'result': -1};
    }
    // 安全地转换类型
    return Map<String, dynamic>.from(result as Map);
  }

  @override
  Future<IdCardInfo> readCardInfo() async {
    // 使用idReadCard方法读取身份证信息
    final result = await idReadCard();
    
    if (result['result'] != 0) {
      throw Exception('Failed to read card info, error code: ${result['result']}');
    }
    
    final String? dataStr = result['data'];
    if (dataStr == null || dataStr.isEmpty) {
      throw Exception('Card data is empty');
    }
    
    // 根据文档，数据是冒号分隔的字符串格式
    return IdCardInfo.fromColonString(dataStr);
  }

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

  @override
  Future<int> getSamStatus() async {
    final result = await methodChannel.invokeMethod<int>('getSamStatus');
    return result ?? -1;
  }

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