feat: 保存节点调试进度

lib/app/model/business/kr_outbound_item.dart

@@ -28,11 +28,12 @@ class KROutboundItem {
 
   /// URL
   String url = "";
-
+  // ✅ 1. 将传入的 nodeListItem 保存为类的 final 成员变量
+  final KrNodeListItem nodeListItem;
   /// 服务器类型
 
   /// 构造函数，接受 KrItem 对象并初始化 KROutboundItem
-  KROutboundItem(KrNodeListItem nodeListItem) {
+  KROutboundItem(this.nodeListItem) {
     id = nodeListItem.id.toString();
     protocol = nodeListItem.protocol;
     latitude = nodeListItem.latitude;
@@ -211,6 +212,11 @@ class KROutboundItem {
     // 解析配置
   }
 
+  @override
+  String toString() {
+    // 现在它可以正确地访问已保存的 nodeListItem 成员
+    return 'KROutboundItem(name: ${nodeListItem.name}, protocol: ${nodeListItem.protocol}, server: ${nodeListItem.serverAddr}, port: ${nodeListItem.port})';
+  }
   /// 构建传输配置
   Map<String, dynamic> _buildTransport(Map<String, dynamic> json) {
     final transportType = json["transport"] as String?;

lib/app/modules/hi_node_list/views/hi_node_list_view.dart

@@ -1,6 +1,5 @@
 // hi_node_list_view.dart
 
-import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
@@ -80,8 +79,8 @@ class HINodeListView extends GetView<HINodeListController> {
     //    并设置透明背景，让父组件的背景可以透出来
     return Material(
       color: Colors.transparent,
-         child: _buildSubscribeList(context)
-       // child: _kr_buildRegionList(context)
+        // child: _buildSubscribeList(context)
+       child: _kr_buildRegionList(context)
     );
   }
 
@@ -109,7 +108,7 @@ class HINodeListView extends GetView<HINodeListController> {
                   onTap: () async {
                     try {
                       final success =
-                      await controller.homeController.kr_performCountrySwitch('auto');
+                      await controller.homeController.kr_performNodeSwitch('auto');
                       if (success) {
                         controller.homeController.kr_currentListStatus.value =
                             KRHomeViewsListStatus.kr_none;
@@ -193,8 +192,10 @@ class HINodeListView extends GetView<HINodeListController> {
                   return InkWell(
                     onTap: () async {
                       try {
+
                         final success =
-                        await controller.homeController.kr_performCountrySwitch(country.country);
+                        await controller.homeController.kr_performNodeSwitch('${country.country}-auto');
+                        print('node 点击 ${country.country}  节点数量${country.outboundList.length} 节点详情 ${country.outboundList}');
                         if (success) {
                           controller.homeController.kr_currentListStatus.value =
                               KRHomeViewsListStatus.kr_none;
@@ -311,7 +312,23 @@ class HINodeListView extends GetView<HINodeListController> {
           ),
           ...controller.kr_subscribeService.allList.map((item) {
             return InkWell(
-              onTap: () => _onNodeSelected(item),
+              // 🔧 修复：改为 async，等待节点切换完成后再关闭列表
+              onTap: () async {
+                try {
+                  KRLogUtil.kr_i(
+                      '🔄 用户点击节点: ${item.tag}');
+                  final success = await controller.homeController
+                      .kr_performNodeSwitch(item.tag);
+                  if (success) {
+                    controller.homeController.kr_currentListStatus.value =
+                        KRHomeViewsListStatus.kr_none;
+                  }
+                } catch (e) {
+                  KRLogUtil.kr_e(
+                      '节点切换异常: $e',
+                      tag: 'NodeListView');
+                }
+              },
               child: _kr_buildNodeListItem(context, item: item),
             );
           }).toList(),
@@ -524,7 +541,7 @@ class HINodeListView extends GetView<HINodeListController> {
             );
           }),
           SizedBox(width: 12.w),
-          Obx(() => controller.homeController.kr_coutryText.value == country.country
+          Obx(() => controller.homeController.kr_cutTag.value == '${country.country}-auto'
               ? KrLocalImage(
             imageName: 'radio-active-icon',
             imageType: ImageType.svg,

lib/app/modules/kr_home/controllers/kr_home_controller.dart

@@ -1276,107 +1276,6 @@ class KRHomeController extends GetxController with WidgetsBindingObserver {
     }
   }
 
-  /// 🌍 执行国家切换（包含UI同步与VPN热重载）
-  /// 返回 true 表示切换成功，false 表示失败
-  Future<bool> kr_performCountrySwitch(String countryTag) async {
-    try {
-      KRLogUtil.kr_i('🔄 开始切换国家: $countryTag', tag: 'HomeController');
-
-      // 1. 保存原国家，以备失败恢复
-      final originalCountry = kr_coutryText.value;
-
-      // 2. 设置切换中状态
-      kr_coutryText.value = countryTag;
-      kr_currentNodeName.value = countryTag; // UI显示当前国家
-
-      // 3. 获取该国家的节点列表
-      final countryData = kr_subscribeService.countryOutboundList
-          .firstWhereOrNull((c) => c.country.toUpperCase() == countryTag.toUpperCase());
-
-      if (countryData == null || countryData.outboundList.isEmpty) {
-        KRLogUtil.kr_w('⚠️ 未找到国家 [$countryTag] 的节点列表', tag: 'HomeController');
-        KRCommonUtil.kr_showToast('该国家暂无可用节点');
-        return false;
-      }
-
-      // 取第一个节点作为默认节点（后续由 sing-box 自动在该组内切换）
-      final defaultNode = countryData.outboundList.first.tag;
-      KRLogUtil.kr_i(
-        '📊 国家 [$countryTag] 包含 ${countryData.outboundList.length} 个节点，默认节点: $defaultNode',
-        tag: 'HomeController',
-      );
-
-      // 4. 如果VPN未连接，只更新UI变量即可
-      if (!kr_isConnected.value) {
-        KRLogUtil.kr_i('📴 VPN未连接，只更新UI变量: $countryTag', tag: 'HomeController');
-        kr_cutSeletedTag.value = defaultNode;
-        kr_cutTag.value = defaultNode;
-        kr_currentNodeLatency.value = -2;
-
-        // 保存国家选择与默认节点
-        await KRSecureStorage().kr_saveData(key: 'SELECTED_COUNTRY_TAG', value: countryTag);
-        await KRSecureStorage().kr_saveData(key: 'SELECTED_NODE_TAG', value: defaultNode);
-
-        KRLogUtil.kr_i('✅ 已保存国家选择 [$countryTag] (未连接状态)', tag: 'HomeController');
-        return true;
-      }
-
-      // 5. VPN已连接状态，执行完整重载逻辑
-      try {
-        KRLogUtil.kr_i('🔌 VPN已连接，准备切换国家 [$countryTag]', tag: 'HomeController');
-
-        // 显示连接中
-        kr_currentNodeLatency.value = -1;
-        kr_isLatency.value = true;
-
-        // 保存选择
-        await KRSecureStorage().kr_saveData(key: 'SELECTED_COUNTRY_TAG', value: countryTag);
-        await KRSecureStorage().kr_saveData(key: 'SELECTED_NODE_TAG', value: defaultNode);
-
-        // 🔧 调用 SingBox 层逻辑切换国家分组（稍后在 kr_sing_box_imp.dart 实现）
-        KRLogUtil.kr_i('🧩 调用 sing-box 切换国家分组逻辑: $countryTag', tag: 'HomeController');
-        await KRSingBoxImp.instance.kr_selectCountry(countryTag);
-
-        // 🔁 停止并重启 VPN
-        await KRSingBoxImp.instance.kr_stop();
-        KRLogUtil.kr_i('⏳ 等待VPN停止（1500ms）', tag: 'HomeController');
-        await Future.delayed(const Duration(milliseconds: 1500));
-
-        await KRSingBoxImp.instance.kr_start();
-        KRLogUtil.kr_i('⏳ 等待VPN启动（2500ms）', tag: 'HomeController');
-        await Future.delayed(const Duration(milliseconds: 2500));
-
-        // ✅ 切换成功，更新UI
-        kr_cutSeletedTag.value = defaultNode;
-        kr_cutTag.value = defaultNode;
-        kr_updateConnectionInfo();
-
-        // 更新延迟信息
-        _kr_updateLatencyOnConnected();
-
-        KRLogUtil.kr_i('✅ 国家切换成功: $countryTag', tag: 'HomeController');
-        return true;
-      } catch (switchError) {
-        KRLogUtil.kr_e('❌ 国家切换失败: $switchError', tag: 'HomeController');
-
-        // 恢复原国家状态
-        kr_coutryText.value = originalCountry;
-        await KRSecureStorage().kr_saveData(key: 'SELECTED_COUNTRY_TAG', value: originalCountry ?? '');
-
-        KRCommonUtil.kr_showToast('切换国家失败，已恢复为: ${originalCountry ?? "无"}');
-        return false;
-      }
-    } catch (e) {
-      KRLogUtil.kr_e('❌ 国家切换异常: $e', tag: 'HomeController');
-      KRCommonUtil.kr_showToast('国家切换异常，请重试');
-      return false;
-    } finally {
-      kr_isLatency.value = false;
-      KRLogUtil.kr_i('🔄 国家切换流程完成', tag: 'HomeController');
-    }
-  }
-
-
 
   /// 🔧 修复：简化的 kr_selectNode 方法
   /// 现在只是委托给新的 kr_performNodeSwitch 方法

lib/app/services/singbox_imp/kr_sing_box_imp.dart

@@ -16,6 +16,7 @@ import 'package:path/path.dart' as p;
 import '../../../core/model/directories.dart';
 import '../../../singbox/model/singbox_config_option.dart';
 import '../../../singbox/model/singbox_outbound.dart';
+import '../../../singbox/model/singbox_proxy_type.dart';
 import '../../../singbox/model/singbox_stats.dart';
 import '../../../singbox/model/singbox_status.dart';
 import '../../utils/kr_country_util.dart';
@@ -23,6 +24,8 @@ import '../../utils/kr_log_util.dart';
 import '../../utils/kr_secure_storage.dart';
 import '../../common/app_run_data.dart';
 import 'package:flutter/foundation.dart';
+import 'package:connectivity_plus/connectivity_plus.dart';
+
 
 enum KRConnectionType {
   global,
@@ -1557,57 +1560,6 @@ class KRSingBoxImp {
     }
   }
 
-  /// 🌍 国家级节点选择
-  /// 如果传入 'auto'，则调用原有 kr_selectOutbound('auto')
-  /// 否则根据国家名筛选该国节点，自动选择延迟最低的节点
-  Future<void> kr_selectCountry(String country) async {
-    KRLogUtil.kr_i('🌎 [v2.1] 开始选择国家: $country', tag: 'SingBox');
-
-    if (country == 'auto') {
-      KRLogUtil.kr_i('🌀 国家为 auto，执行自动节点选择逻辑', tag: 'SingBox');
-      try {
-        // 保存国家为 auto，并重建/保存全部节点
-        await KRSecureStorage().kr_saveData(key: 'SELECTED_COUNTRY_TAG', value: 'auto');
-        await KRSecureStorage().kr_saveData(key: _keySelectedNode, value: 'auto');
-        await kr_selectOutbound('auto');
-        _nodeSelectionTimer?.cancel();
-        _nodeSelectionTimer = null;
-        KRLogUtil.kr_i('✅ 已切换为 auto 节点选择', tag: 'SingBox');
-      } catch (e) {
-        KRLogUtil.kr_e('❌ auto 国家选择失败: $e', tag: 'SingBox');
-        rethrow;
-      }
-      return;
-    }
-
-    try {
-      await KRSecureStorage().kr_saveData(key: 'SELECTED_COUNTRY_TAG', value: country);
-      final oOption = _getConfigOption();
-      oOption["region"] = country;
-      KRLogUtil.kr_i('📝 更新 region 配置为国家: $country', tag: 'SingBox');
-      final op = SingboxConfigOption.fromJson(oOption);
-      await kr_singBox.changeOptions(op)
-        ..map((r) {
-          KRLogUtil.kr_i('✅ 国家 region 更新成功: $country', tag: 'SingBox');
-        }).mapLeft((err) {
-          KRLogUtil.kr_e('❌ 更新国家 region 失败: $err', tag: 'SingBox');
-          throw err;
-        }).run();
-
-      // 设置为 auto 以便在该国集合内自动选最快
-      await KRSecureStorage().kr_saveData(key: _keySelectedNode, value: 'auto');
-      KRLogUtil.kr_i('ℹ️ 已应用国家到配置，等待控制器执行重启', tag: 'SingBox');
-    } catch (e) {
-      KRLogUtil.kr_e('❌ 国家选择流程失败: $e', tag: 'SingBox');
-      rethrow;
-    }
-
-    if (kr_activeGroups.isEmpty) {
-      KRLogUtil.kr_w('⚠️ kr_activeGroups 当前为空，国家选择后将由重启同步分组', tag: 'SingBox');
-    }
-
-  }
-
 
   /// 配合文件地址
 
@@ -1671,19 +1623,30 @@ class KRSingBoxImp {
     final activeTags = kr_activeGroups.map((g) => g.tag).join(', ');
     KRLogUtil.kr_i('🧩 分组: all=${kr_allGroups.length}, active=${kr_activeGroups.length} [$activeTags]', tag: 'SingBoxTun');
 
-    // 1) TCP 到 1.1.1.1:443（避免纯 IP HTTP 被对端重置）
+    // 打印每个 active 分组的节点信息
+    for (var group in kr_activeGroups) {
+      KRLogUtil.kr_i(
+          '📊 组[${group.tag}] 类型=${group.type} 节点数=${group.items.length}',
+          tag: 'SingBoxTun');
+      final selected = group.selected;
+      KRLogUtil.kr_i('🎯 当前选中节点: $selected', tag: 'SingBoxTun');
+    }
+
+    // 1️⃣ TCP 测试
     try {
-      final sock = await Socket.connect('1.1.1.1', 443, timeout: const Duration(seconds: 3));
+      final sock =
+      await Socket.connect('1.1.1.1', 443, timeout: const Duration(seconds: 3));
       sock.destroy();
       KRLogUtil.kr_i('🌐 TCP 443连接成功 (1.1.1.1:443)', tag: 'SingBoxTun');
     } catch (e) {
       KRLogUtil.kr_e('🌐 TCP 443连接失败: $e', tag: 'SingBoxTun');
     }
 
-    // 2) HTTPS 测试（使用 Google 204 连接性检测，更通用更稳健）
+    // 2️⃣ HTTPS 测试（Google Connectivity）
     try {
       final client = HttpClient()..connectionTimeout = const Duration(seconds: 3);
-      final req = await client.getUrl(Uri.parse('https://connectivitycheck.gstatic.com/generate_204'));
+      final req = await client
+          .getUrl(Uri.parse('https://connectivitycheck.gstatic.com/generate_204'));
       req.headers.add('User-Agent', 'kr-debug');
       final resp = await req.close();
       KRLogUtil.kr_i('🔐 HTTPS 204 状态: ${resp.statusCode}', tag: 'SingBoxTun');
@@ -1691,23 +1654,177 @@ class KRSingBoxImp {
       KRLogUtil.kr_e('🔐 HTTPS 204 错误: $e', tag: 'SingBoxTun');
     }
 
-    // 3) 系统DNS解析（走系统解析器）
+    // 3️⃣ 系统DNS解析
     try {
       final addrs = await InternetAddress.lookup('google.com');
-      KRLogUtil.kr_i('🧭 DNS解析成功: ${addrs.map((a) => a.address).join(", ")}', tag: 'SingBoxTun');
+      KRLogUtil.kr_i(
+          '🧭 DNS解析成功: ${addrs.map((a) => a.address).join(", ")}',
+          tag: 'SingBoxTun');
     } catch (e) {
       KRLogUtil.kr_e('🧭 DNS解析错误: $e', tag: 'SingBoxTun');
     }
-
-    // 4) TCP 53检测（公共DNS TCP53可达性）
+    // 3️⃣ 系统DNS解析
     try {
-      final sock = await Socket.connect('8.8.8.8', 53, timeout: const Duration(seconds: 3));
+      final addrs = await InternetAddress.lookup('1.1.1.1');
+      KRLogUtil.kr_i(
+          '🧭 DNS解析成功1.1.1.1: ${addrs.map((a) => a.address).join(", ")}',
+          tag: 'SingBoxTun');
+    } catch (e) {
+      KRLogUtil.kr_e('🧭 DNS解析错误1.1.1.1: $e', tag: 'SingBoxTun');
+    }
+
+    // 4️⃣ TCP 53测试
+    try {
+      final sock =
+      await Socket.connect('8.8.8.8', 53, timeout: const Duration(seconds: 3));
       sock.destroy();
       KRLogUtil.kr_i('🛰️ TCP 53连接成功 (8.8.8.8:53)', tag: 'SingBoxTun');
     } catch (e) {
       KRLogUtil.kr_w('🛰️ TCP 53连接失败: $e', tag: 'SingBoxTun');
     }
 
+    // 5️⃣ 检查出口 IP
+    try {
+      final client = HttpClient()..connectionTimeout = const Duration(seconds: 3);
+      final req = await client.getUrl(Uri.parse('https://api.ipify.org'));
+      final resp = await req.close();
+      final ip = await resp.transform(utf8.decoder).join();
+      KRLogUtil.kr_i('🌍 出口IP检测成功: $ip', tag: 'SingBoxTun');
+    } catch (e) {
+      KRLogUtil.kr_w('🌍 出口IP检测失败: $e', tag: 'SingBoxTun');
+    }
+
+    // 6️⃣ 网络类型（仅在移动端）
+    try {
+      final connectivity = await (Connectivity().checkConnectivity());
+      KRLogUtil.kr_i('📶 当前网络类型: $connectivity', tag: 'SingBoxTun');
+    } catch (e) {
+      KRLogUtil.kr_w('📶 网络类型检测失败: $e', tag: 'SingBoxTun');
+    }
+
+    // 7️⃣ HTTP延迟测试（快速验证）
+    try {
+      final sw = Stopwatch()..start();
+      final client = HttpClient()..connectionTimeout = const Duration(seconds: 3);
+      final req = await client
+          .getUrl(Uri.parse('https://www.google.com/generate_204'));
+      final resp = await req.close();
+      sw.stop();
+      KRLogUtil.kr_i('⏱️ HTTP延迟: ${sw.elapsedMilliseconds}ms (status=${resp.statusCode})',
+          tag: 'SingBoxTun');
+    } catch (e) {
+      KRLogUtil.kr_w('⏱️ HTTP延迟测试失败: $e', tag: 'SingBoxTun');
+    }
+
+    // 7️⃣ 检查出口国家信息（通过 geoip API）
+    try {
+      final client = HttpClient();
+      final req = await client.getUrl(Uri.parse('https://ipapi.co/json/'));
+      final resp = await req.close();
+      final data = await resp.transform(utf8.decoder).join();
+      KRLogUtil.kr_i('🌎 GeoIP: $data', tag: 'SingBoxTun');
+    } catch (e) {
+      KRLogUtil.kr_w('🌎 GeoIP检测失败: $e', tag: 'SingBoxTun');
+    }
+
+    // 8️⃣ 简单测速（仅调试）
+    final stopwatch = Stopwatch()..start();
+    try {
+      final client = HttpClient();
+      final req = await client.getUrl(Uri.parse('https://speed.cloudflare.com/__down?bytes=1000000'));
+      final resp = await req.close();
+      final totalBytes = await resp.fold<int>(0, (prev, e) => prev + e.length);
+      stopwatch.stop();
+      KRLogUtil.kr_i('⚡ 下载测试: ${totalBytes ~/ 1024} KB in ${stopwatch.elapsedMilliseconds}ms', tag: 'SingBoxTun');
+    } catch (e) {
+      KRLogUtil.kr_w('⚡ 下载测试失败: $e', tag: 'SingBoxTun');
+    }
+
     KRLogUtil.kr_i('✅ [TUN Debug] 结束调试', tag: 'SingBoxTun');
   }
+
+  // 根据所选国家解析当前实际连接节点（适配 auto 选择）
+  // 策略：
+  // 1) 优先在 activeGroups 中查找 tag 与国家匹配的分组（完全匹配或包含关系）
+  // 2) 使用该分组的 selected 字段在 items 中找到具体节点
+  // 3) 若找不到，退化为在所有分组中查找其 items 是否包含与国家相关的节点，并返回其 selected 对应节点
+  SingboxOutboundGroupItem? _kr_resolveCurrentNodeForCountry(String? selectedCountry) {
+    if (selectedCountry == null || selectedCountry.isEmpty) return null;
+    final countryLower = selectedCountry.toLowerCase();
+
+    // 1) 直接通过分组 tag 匹配国家
+    for (final g in kr_activeGroups) {
+      final tagLower = g.tag.toLowerCase();
+      final tagMatch = tagLower == countryLower || tagLower.contains(countryLower);
+      if (tagMatch) {
+        final selTag = g.selected;
+        for (final item in g.items) {
+          if (item.tag == selTag) return item;
+        }
+        // 如果 selected 指向的不是本组的叶子，直接返回 null（调用方仍可查看组日志）
+        return null;
+      }
+    }
+
+    // 2) 在所有分组中尝试通过 items 与国家关联性匹配
+    for (final g in kr_activeGroups) {
+      final maybeCountryRelated = g.items.any(
+          (i) => i.tag.toLowerCase().contains(countryLower));
+      if (maybeCountryRelated) {
+        final selTag = g.selected;
+        for (final item in g.items) {
+          if (item.tag == selTag) return item;
+        }
+      }
+    }
+
+    return null;
+  }
+
+  /// 启动自动切换调试订阅：实时打印 active-groups 的选中节点变化
+  void kr_startAutoSwitchDebug() {
+    // 这里不做重复订阅的严格检查，交由调用方控制多次调用
+    final sub = kr_singBox.watchActiveGroups().listen((groups) {
+      // 更新本地状态，供其他调试方法读取
+      kr_activeGroups.value = groups;
+
+      for (final g in groups) {
+        final selected = g.selected;
+        final selItem = g.items.firstWhere(
+          (i) => i.tag == selected,
+          orElse: () => SingboxOutboundGroupItem(
+            tag: '(未知)',
+            type: ProxyType.unknown,
+            urlTestDelay: -1,
+          ),
+        );
+        KRLogUtil.kr_i(
+          '🔄 组[${g.tag}] 选中 -> ${selItem.tag} (${selItem.type.label}), delay=${selItem.urlTestDelay}ms',
+          tag: 'SingBoxAuto',
+        );
+      }
+    }, onError: (e) {
+      KRLogUtil.kr_e('❌ AutoSwitch 调试订阅错误: $e', tag: 'SingBoxAuto');
+    });
+    _kr_subscriptions.add(sub);
+    KRLogUtil.kr_i('✅ AutoSwitch 调试订阅已开启', tag: 'SingBox');
+  }
+
+  /// 通过 DoH 进行 DNS 解析探针（走代理），便于判断 DNS 失败是否触发切换
+  Future<void> kr_probeDoH(List<String> names) async {
+    final client = HttpClient()..connectionTimeout = const Duration(seconds: 5);
+    client.findProxy = (_) => kr_buildProxyRule();
+    for (final name in names) {
+      try {
+        final uri = Uri.parse('https://dns.google/resolve?name=$name&type=A');
+        final req = await client.getUrl(uri);
+        final resp = await req.close();
+        final body = await resp.transform(utf8.decoder).join();
+        KRLogUtil.kr_i('🧪 DoH 解析 $name -> 状态 ${resp.statusCode}, 响应 $body', tag: 'SingBoxDoH');
+      } catch (e) {
+        KRLogUtil.kr_w('🧪 DoH 解析 $name 失败: $e', tag: 'SingBoxDoH');
+      }
+    }
+  }
+
 }