Refactor

lib/singbox/model/singbox_outbound.dart

@@ -0,0 +1,40 @@
+import 'package:dartx/dartx.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:hiddify/singbox/model/singbox_proxy_type.dart';
+
+part 'singbox_outbound.freezed.dart';
+part 'singbox_outbound.g.dart';
+
+@freezed
+class SingboxOutboundGroup with _$SingboxOutboundGroup {
+  @JsonSerializable(fieldRename: FieldRename.kebab)
+  const factory SingboxOutboundGroup({
+    required String tag,
+    @JsonKey(fromJson: _typeFromJson) required ProxyType type,
+    required String selected,
+    @Default([]) List<SingboxOutboundGroupItem> items,
+  }) = _SingboxOutboundGroup;
+
+  factory SingboxOutboundGroup.fromJson(Map<String, dynamic> json) =>
+      _$SingboxOutboundGroupFromJson(json);
+}
+
+@freezed
+class SingboxOutboundGroupItem with _$SingboxOutboundGroupItem {
+  const SingboxOutboundGroupItem._();
+
+  @JsonSerializable(fieldRename: FieldRename.kebab)
+  const factory SingboxOutboundGroupItem({
+    required String tag,
+    @JsonKey(fromJson: _typeFromJson) required ProxyType type,
+    required int urlTestDelay,
+  }) = _SingboxOutboundGroupItem;
+
+  factory SingboxOutboundGroupItem.fromJson(Map<String, dynamic> json) =>
+      _$SingboxOutboundGroupItemFromJson(json);
+}
+
+ProxyType _typeFromJson(dynamic type) =>
+    ProxyType.values
+        .firstOrNullWhere((e) => e.key == (type as String?)?.toLowerCase()) ??
+    ProxyType.unknown;