refactor: version presentation

lib/domain/app/app_info.dart

@@ -21,6 +21,10 @@ class AppInfo with _$AppInfo {
 
   String get userAgent => "HiddifyNext/$version ($operatingSystem)";
 
+  String get presentVersion => environment == Environment.prod
+      ? version
+      : "$version ${environment.name}";
+
   factory AppInfo.fromJson(Map<String, dynamic> json) =>
       _$AppInfoFromJson(json);
 }
@@ -36,17 +40,31 @@ class RemoteVersionInfo with _$RemoteVersionInfo {
     required String releaseTag,
     required bool preRelease,
     required DateTime publishedAt,
+    required Environment flavor,
   }) = _RemoteVersionInfo;
 
-  String get fullVersion =>
-      buildNumber.isBlank ? version : "$version+$buildNumber";
+  String get presentVersion =>
+      flavor == Environment.prod ? version : "$version ${flavor.name}";
 
   // ignore: prefer_constructors_over_static_methods
   static RemoteVersionInfo fromJson(Map<String, dynamic> json) {
     final fullTag = json['tag_name'] as String;
     final fullVersion = fullTag.removePrefix("v").split("-").first.split("+");
-    final version = fullVersion.first;
-    final buildNumber = fullVersion.elementAtOrElse(1, (index) => "");
+    var version = fullVersion.first;
+    var buildNumber = fullVersion.elementAtOrElse(1, (index) => "");
+    var flavor = Environment.prod;
+    for (final env in Environment.values) {
+      final suffix = ".${env.name}";
+      if (version.endsWith(suffix)) {
+        version = version.removeSuffix(suffix);
+        flavor = env;
+        break;
+      } else if (buildNumber.endsWith(suffix)) {
+        buildNumber = buildNumber.removeSuffix(suffix);
+        flavor = env;
+        break;
+      }
+    }
     final preRelease = json["prerelease"] as bool;
     final publishedAt = DateTime.parse(json["published_at"] as String);
     return RemoteVersionInfo(
@@ -55,6 +73,7 @@ class RemoteVersionInfo with _$RemoteVersionInfo {
       releaseTag: fullTag,
       preRelease: preRelease,
       publishedAt: publishedAt,
+      flavor: flavor,
     );
   }
 }