Refactor

lib/singbox/model/singbox_config_option.dart

@@ -0,0 +1,62 @@
+import 'dart:convert';
+
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:hiddify/features/log/model/log_level.dart';
+import 'package:hiddify/singbox/model/singbox_config_enum.dart';
+import 'package:hiddify/singbox/model/singbox_rule.dart';
+
+part 'singbox_config_option.freezed.dart';
+part 'singbox_config_option.g.dart';
+
+@freezed
+class SingboxConfigOption with _$SingboxConfigOption {
+  const SingboxConfigOption._();
+
+  @JsonSerializable(fieldRename: FieldRename.kebab)
+  const factory SingboxConfigOption({
+    required bool executeConfigAsIs,
+    required LogLevel logLevel,
+    required bool resolveDestination,
+    required IPv6Mode ipv6Mode,
+    required String remoteDnsAddress,
+    required DomainStrategy remoteDnsDomainStrategy,
+    required String directDnsAddress,
+    required DomainStrategy directDnsDomainStrategy,
+    required int mixedPort,
+    required int localDnsPort,
+    required TunImplementation tunImplementation,
+    required int mtu,
+    required bool strictRoute,
+    required String connectionTestUrl,
+    @IntervalConverter() required Duration urlTestInterval,
+    required bool enableClashApi,
+    required int clashApiPort,
+    required bool enableTun,
+    required bool setSystemProxy,
+    required bool bypassLan,
+    required bool enableFakeDns,
+    required bool independentDnsCache,
+    required String geoipPath,
+    required String geositePath,
+    required List<SingboxRule> rules,
+  }) = _SingboxConfigOption;
+
+  String format() {
+    const encoder = JsonEncoder.withIndent('  ');
+    return encoder.convert(toJson());
+  }
+
+  factory SingboxConfigOption.fromJson(Map<String, dynamic> json) =>
+      _$SingboxConfigOptionFromJson(json);
+}
+
+class IntervalConverter implements JsonConverter<Duration, String> {
+  const IntervalConverter();
+
+  @override
+  Duration fromJson(String json) =>
+      Duration(minutes: int.parse(json.replaceAll("m", "")));
+
+  @override
+  String toJson(Duration object) => "${object.inMinutes}m";
+}