Refactor

lib/singbox/model/singbox_status.dart

@@ -0,0 +1,48 @@
+import 'package:dartx/dartx.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'singbox_status.freezed.dart';
+
+@freezed
+sealed class SingboxStatus with _$SingboxStatus {
+  const SingboxStatus._();
+
+  const factory SingboxStatus.stopped({
+    SingboxAlert? alert,
+    String? message,
+  }) = SingboxStopped;
+  const factory SingboxStatus.starting() = SingboxStarting;
+  const factory SingboxStatus.started() = SingboxStarted;
+  const factory SingboxStatus.stopping() = SingboxStopping;
+
+  factory SingboxStatus.fromEvent(dynamic event) {
+    switch (event) {
+      case {
+          "status": "Stopped",
+          "alert": final String? alertStr,
+          "message": final String? messageStr,
+        }:
+        final alert = SingboxAlert.values.firstOrNullWhere(
+          (e) => alertStr?.toLowerCase() == e.name.toLowerCase(),
+        );
+        return SingboxStatus.stopped(alert: alert, message: messageStr);
+      case {"status": "Starting"}:
+        return const SingboxStarting();
+      case {"status": "Started"}:
+        return const SingboxStarted();
+      case {"status": "Stopping"}:
+        return const SingboxStopping();
+      default:
+        throw Exception("unexpected status [$event]");
+    }
+  }
+}
+
+enum SingboxAlert {
+  requestVPNPermission,
+  requestNotificationPermission,
+  emptyConfiguration,
+  startCommandServer,
+  createService,
+  startService;
+}