polish: strip verbose comments, simplify codebase

lib/components/clock_display.dart

@@ -3,13 +3,6 @@ import 'package:provider/provider.dart';
 import 'package:revoltvpn/logic/app_colors.dart';
 import 'package:revoltvpn/logic/session_timer.dart';
 
-/// ClockDisplay renders inside the ConnectButton circle when the VPN is active.
-///
-/// Shows a circular quota-progress arc, a glowing countdown timer, and the
-/// current transfer speed — all sized to fit within the 260px button.
-///
-/// Before the first server sync arrives, a subtle "Syncing…" placeholder
-/// is shown instead of a misleading 00:00:00.
 class ClockDisplay extends StatelessWidget {
   const ClockDisplay({super.key});
 

lib/components/connect_button.dart

@@ -6,14 +6,6 @@ import 'package:revoltvpn/logic/vpn_connection.dart';
 import 'package:revoltvpn/logic/session_timer.dart';
 import 'package:revoltvpn/logic/ad_manager.dart';
 
-/// ConnectButton — circle with brand.png + pulsing glow when connected.
-///
-/// Rules:
-///   disconnected → connect (ad → config → tunnel)
-///   connecting   → disconnect (cancel)
-///   connected    → disconnect
-///   error        → connect (retry)
-///   disconnecting → ignore
 class ConnectButton extends StatefulWidget {
   const ConnectButton({super.key});
 
@@ -59,7 +51,7 @@ class _ConnectButtonState extends State<ConnectButton>
   }
 
   Future<void> _handleTap() async {
-    // 1-second cooldown to prevent spam
+
     final now = DateTime.now();
     if (now.difference(_lastTap).inMilliseconds < 1000) return;
     _lastTap = now;
@@ -70,7 +62,7 @@ class _ConnectButtonState extends State<ConnectButton>
     final timer = context.read<SessionTimer>();
     final ad = context.read<AdManager>();
 
-    // ── Disconnect if connected or connecting ───────────────────────────
+
     if (vpn.status == VpnStatus.connected || vpn.status == VpnStatus.connecting) {
       _busy = false;
       timer.stop(); // MUST stop timer BEFORE disconnect — prevents auto-reconnect
@@ -78,10 +70,10 @@ class _ConnectButtonState extends State<ConnectButton>
       return;
     }
 
-    // ── Ignore if disconnecting ─────────────────────────────────────────
+
     if (vpn.status == VpnStatus.disconnecting) return;
 
-    // ── Connect (or retry) ─────────────────────────────────────────────
+
     if (_busy) return;
 
     setState(() => _busy = true);

lib/components/online_dot.dart

@@ -1,13 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:revoltvpn/logic/app_colors.dart';
 
-/// OnlineDot displays a glowing green dot when the server is healthy,
-/// and a muted gray dot when disconnected or still syncing.
 class OnlineDot extends StatelessWidget {
-  /// Whether the server has been confirmed reachable.
   final bool isOnline;
-
-  /// Optional custom label. Falls back to "Server Online" / "Disconnected".
   final String? label;
 
   const OnlineDot({

lib/components/sidebar_contents/discord_link_button.dart

@@ -5,7 +5,6 @@ import 'package:revoltvpn/logic/app_colors.dart';
 class DiscordLinkButton extends StatelessWidget {
   const DiscordLinkButton({super.key});
 
-  /// Public entry point for the sidebar or any other widget.
   static Future<void> launchDiscord() async {
     final Uri url = Uri.parse('https://discord.gg/revoltvpn');
     if (!await launchUrl(url, mode: LaunchMode.externalApplication)) {

lib/components/sidebar_contents/gdpr_button.dart

@@ -4,17 +4,9 @@ import 'package:google_mobile_ads/google_mobile_ads.dart';
 import 'package:revoltvpn/logic/app_colors.dart';
 import 'package:url_launcher/url_launcher.dart';
 
-/// GdprButton lets the user review or change their ad consent choices.
-///
-/// When tapped, it tries to show Google's UMP consent form so the user
-/// can adjust their preferences (personalized vs non-personalized ads).
-/// If the form isn't available (e.g. user is outside the EEA), it falls
-/// back to opening the privacy policy instead.
 class GdprButton extends StatelessWidget {
   const GdprButton({super.key});
 
-  /// Public entry point so the sidebar (or any other widget) can trigger
-  /// the consent flow without embedding an IconButton.
   static Future<void> showConsentForm() async {
     try {
       // If the form is already available, show it directly — no need to

lib/components/sidebar_contents/info_button.dart

@@ -5,7 +5,6 @@ import 'package:revoltvpn/logic/app_colors.dart';
 class InfoButton extends StatelessWidget {
   const InfoButton({super.key});
 
-  /// Public entry point for the sidebar or any other widget.
   static Future<void> launchGitHub() async {
     final Uri url = Uri.parse('https://github.com/esefxdz/ReVoltVPN');
     if (!await launchUrl(url, mode: LaunchMode.externalApplication)) {

lib/components/sidebar_contents/privacy_policy_button.dart

@@ -5,7 +5,6 @@ import 'package:revoltvpn/logic/app_colors.dart';
 class PrivacyPolicyButton extends StatelessWidget {
   const PrivacyPolicyButton({super.key});
 
-  /// Public entry point for the sidebar or any other widget.
   static Future<void> launchPrivacyPolicy() async {
     final Uri url = Uri.parse('https://github.com/esefxdz/ReVoltVPN/blob/main/PRIVACY_POLICY.md');
     if (!await launchUrl(url, mode: LaunchMode.externalApplication)) {

lib/components/sidebar_drawer.dart

@@ -5,8 +5,6 @@ import 'package:revoltvpn/components/sidebar_contents/privacy_policy_button.dart
 import 'package:revoltvpn/components/sidebar_contents/info_button.dart';
 import 'package:revoltvpn/components/sidebar_contents/discord_link_button.dart';
 
-/// Right-edge drawer. Four fully-tappable rows — tap anywhere on a row
-/// to trigger its action and close the drawer.
 class SidebarDrawer extends StatelessWidget {
   const SidebarDrawer({super.key});
 
@@ -19,7 +17,6 @@ class SidebarDrawer extends StatelessWidget {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.stretch,
           children: [
-            // ── Header ──────────────────────────────────────────────────
             Container(
               padding: const EdgeInsets.fromLTRB(20, 24, 20, 20),
               decoration: const BoxDecoration(
@@ -51,7 +48,6 @@ class SidebarDrawer extends StatelessWidget {
 
             const SizedBox(height: 8),
 
-            // ── Ad Consent (fully tappable) ─────────────────────────────
             _Row(
               icon: Icons.admin_panel_settings_outlined,
               label: 'Ad Consent',
@@ -61,7 +57,6 @@ class SidebarDrawer extends StatelessWidget {
               },
             ),
 
-            // ── Privacy Policy (fully tappable) ─────────────────────────
             _Row(
               icon: Icons.privacy_tip_outlined,
               label: 'Privacy Policy',
@@ -71,7 +66,6 @@ class SidebarDrawer extends StatelessWidget {
               },
             ),
 
-            // ── About (fully tappable) ──────────────────────────────────
             _Row(
               icon: Icons.help_outline,
               label: 'About',
@@ -81,7 +75,6 @@ class SidebarDrawer extends StatelessWidget {
               },
             ),
 
-            // ── Discord (fully tappable) ────────────────────────────────
             _Row(
               icon: Icons.discord,
               label: 'Discord',

lib/components/speed_box.dart

@@ -3,7 +3,6 @@ import 'package:provider/provider.dart';
 import 'package:revoltvpn/logic/app_colors.dart';
 import 'package:revoltvpn/logic/session_timer.dart';
 
-/// SpeedBox — a small card showing current network speed or "Idle".
 class SpeedBox extends StatelessWidget {
   const SpeedBox({super.key});
 

lib/components/status_bar.dart

@@ -5,8 +5,6 @@ import 'package:revoltvpn/logic/vpn_connection.dart';
 import 'package:revoltvpn/logic/session_timer.dart';
 import 'package:revoltvpn/components/online_dot.dart';
 
-/// StatusBar — unified bottom card combining the Finland connection badge
-/// and the server health indicator in one box.
 class StatusBar extends StatelessWidget {
   const StatusBar({super.key});
 

lib/components/timer_box.dart

@@ -3,7 +3,6 @@ import 'package:provider/provider.dart';
 import 'package:revoltvpn/logic/app_colors.dart';
 import 'package:revoltvpn/logic/session_timer.dart';
 
-/// TimerBox — a rectangular card showing the session countdown.
 class TimerBox extends StatelessWidget {
   const TimerBox({super.key});
 

lib/logic/app_colors.dart

@@ -1,12 +1,5 @@
 import 'package:flutter/material.dart';
 
-// =============================================================================
-//  app_colors.dart — Single source of truth for every color in ReVoltVPN
-//  ─────────────────────────────────────────────────────────────────────────────
-//  Import this file and reference AppColors.* instead of hardcoding hex values
-//  or Color.fromRGBO() calls anywhere else in the app.
-// =============================================================================
-
 abstract final class AppColors {
   AppColors._();
 
@@ -39,8 +32,7 @@ abstract final class AppColors {
   static const Color green50    = Color(0x8000E676); // 50 % opacity
   static const Color red        = Color(0xFFEF5350);
 
-  // ── Glass / Borders ────────────────────────────────────────────────────────
-  static const Color glassBg    = Color(0x22FFFFFF); // subtle glass background
-  static const Color glassBorder = Color(0x33FFFFFF); // muted translucent border
+  static const Color glassBg    = Color(0x22FFFFFF);
+  static const Color glassBorder = Color(0x33FFFFFF);
 
 }

lib/logic/session_timer.dart

@@ -7,46 +7,31 @@ import 'package:revoltvpn/logic/vpn_connection.dart';
 import 'package:revoltvpn/logic/crypto_service.dart';
 import 'package:revoltvpn/components/notification.dart';
 
-/// SessionTimer is the client-side session authority for the VPN tunnel.
-///
-/// Polls the Hivemind API to sync remaining time, data quotas, speed, and
-/// throttling status.  Rather than guessing the session length optimistically,
-/// it waits for the first successful sync before the local countdown begins.
 class SessionTimer extends ChangeNotifier {
   Timer? _timer;
   int _tickCount = 0;
 
   final VpnConnection vpnConnection;
 
-  // ── Session State ──────────────────────────────────────────────────────────
   int _remainingSeconds = 0;
   int _quotaBytes      = 0;
   int _usedBytes       = 0;
 
-  // ── Sync / Network Health ──────────────────────────────────────────────────
   bool _hasSyncedOnce       = false;
   int  _consecutiveFailures = 0;
   bool _isDisconnecting     = false;
-  bool _userInitiatedStop   = false;  // true when user tapped disconnect
+  bool _userInitiatedStop   = false;
 
-  /// Maximum consecutive sync failures before the local countdown is paused
-  /// to avoid showing a false "expired" state while the network is down.
   static const int _maxConsecutiveFailures = 3;
 
-  /// How long we tolerate total silence from the server before forcibly
-  /// killing the VPN.  Prevents the "orphaned tunnel" scenario where the
-  /// server is gone but the VPN stays up forever.
   static const int _maxOfflineSeconds = 120;
   int _offlineSeconds = 0;
 
-  /// Seconds between server polls (reduced from 3 to ease server load).
   static const int _pollIntervalSeconds = 5;
 
-  // ── Speed State ────────────────────────────────────────────────────────────
   int    _lastUsedBytes     = 0;
-  double _currentSpeedKBps  = 0.0;  // kilobytes per second
+  double _currentSpeedKBps  = 0.0;
 
-  // ── Notification dedup ─────────────────────────────────────────────────────
   String _lastNotifTime  = '';
   String _lastNotifSpeed = '';
 
@@ -54,8 +39,6 @@ class SessionTimer extends ChangeNotifier {
     vpnConnection.addListener(_onVpnConnectionChanged);
   }
 
-  // ── Public Getters ─────────────────────────────────────────────────────────
-
   int  get remaining        => _remainingSeconds;
   bool get isRunning        => _timer != null && _timer!.isActive;
   bool get isExpired        => _remainingSeconds <= 0 && !isRunning;
@@ -94,11 +77,11 @@ class SessionTimer extends ChangeNotifier {
     return (_quotaBytes - _usedBytes) / _quotaBytes;
   }
 
-  // ── Lifecycle ──────────────────────────────────────────────────────────────
+  // Lifecycle
 
   /// Fires whenever VpnConnection state changes.
   void _onVpnConnectionChanged() {
-    // ── Startup restoration: app killed while VPN was running ──────────
+
     if (vpnConnection.status == VpnStatus.connected &&
         !isRunning &&
         vpnConnection.isStartupRestoration) {
@@ -106,7 +89,7 @@ class SessionTimer extends ChangeNotifier {
       return;
     }
 
-    // ── Network-blip reconnect: VPN dropped and came back on its own ──
+
     // The underlying VLESS tunnel may briefly flap.  If we weren't
     // explicitly stopped by the user, resume where we left off.
     if (vpnConnection.status == VpnStatus.connected &&
@@ -118,16 +101,12 @@ class SessionTimer extends ChangeNotifier {
       return;
     }
 
-    // ── Auto-cleanup when the VPN actually goes down ──────────────────
+
     if (vpnConnection.status == VpnStatus.disconnected && isRunning) {
       _stopInternal();
     }
   }
 
-  /// Starts the local countdown and begins server polling.
-  ///
-  /// Values are initialised at 0 — the UI shows "Syncing…" until the first
-  /// successful [_syncWithHivemind] returns real data.
   Future<void> start(String adType) async {
     _remainingSeconds    = 0;
     _quotaBytes          = 0;
@@ -151,7 +130,7 @@ class SessionTimer extends ChangeNotifier {
   }
 
   void _tick(Timer t) {
-    // ── Local countdown ──────────────────────────────────────────────────
+
     // Decrement the local clock as long as we're not in a network blackout.
     if (_hasSyncedOnce && _consecutiveFailures < _maxConsecutiveFailures) {
       if (_remainingSeconds > 0) {
@@ -159,7 +138,7 @@ class SessionTimer extends ChangeNotifier {
       }
     }
 
-    // ── Offline watchdog ─────────────────────────────────────────────────
+
     // If the server has been unreachable for too long, kill the VPN.
     // Don't let an orphaned tunnel keep running forever.
     if (_consecutiveFailures >= _maxConsecutiveFailures) {
@@ -171,7 +150,7 @@ class SessionTimer extends ChangeNotifier {
       }
     }
 
-    // ── Local expiry ─────────────────────────────────────────────────────
+
     // When our clock hits zero, disconnect immediately.  Don't wait for the
     // next server poll — the session is over and the user expects the VPN
     // to drop right now.
@@ -186,7 +165,7 @@ class SessionTimer extends ChangeNotifier {
       _syncWithHivemind();
     }
 
-    // ── Update notification every tick for smooth countdown ─────────────
+
     // Uses the locally-decremented time so the notification stays in sync
     // with the in-app display, not gated behind the 5 s server poll.
     if (_hasSyncedOnce) {
@@ -206,8 +185,6 @@ class SessionTimer extends ChangeNotifier {
     notifyListeners();
   }
 
-  /// Force-disconnects the VPN and stops the timer with a status message.
-  /// Used as a local fallback when the server can't be reached.
   void _forceDisconnect(String reason) {
     if (_isDisconnecting) return; // Already tearing down
     debugPrint('[Timer] $reason — forcing disconnect.');
@@ -222,7 +199,7 @@ class SessionTimer extends ChangeNotifier {
     vpnConnection.disconnect();
   }
 
-  // ── Server Sync ────────────────────────────────────────────────────────────
+
 
   Future<void> _syncWithHivemind() async {
     // Never sync while the user is explicitly disconnecting.
@@ -249,7 +226,7 @@ class SessionTimer extends ChangeNotifier {
         _quotaBytes       = data['quota_bytes']       ?? _quotaBytes;
         _usedBytes        = data['used_bytes']        ?? _usedBytes;
 
-        // ── Speed calculation over the polling interval ────────────────────
+
         final int deltaBytes = _usedBytes - _lastUsedBytes;
         if (_hasSyncedOnce && deltaBytes > 0) {
           _currentSpeedKBps = (deltaBytes / _pollIntervalSeconds) / 1000;
@@ -258,7 +235,7 @@ class SessionTimer extends ChangeNotifier {
         }
         _lastUsedBytes = _usedBytes;
 
-        // ── Network is healthy — reset failure counters ────────────────────
+
         _consecutiveFailures = 0;
         _offlineSeconds = 0;
         _hasSyncedOnce = true;
@@ -277,8 +254,6 @@ class SessionTimer extends ChangeNotifier {
     }
   }
 
-  /// Increments the failure counter; pauses the local countdown after
-  /// [_maxConsecutiveFailures] to avoid displaying a false "expired" clock.
   void _markSyncFailure() {
     _consecutiveFailures++;
     if (_consecutiveFailures >= _maxConsecutiveFailures) {
@@ -286,12 +261,8 @@ class SessionTimer extends ChangeNotifier {
     }
   }
 
-  // ── Stop ───────────────────────────────────────────────────────────────────
 
-  /// Called externally (e.g. from ConnectButton) to begin tearing down.
-  /// Cancels the timer but keeps the notification alive —
-  /// [_onVpnConnectionChanged] will do final cleanup when the VPN actually
-  /// confirms it's disconnected.
+
   void stop() {
     _userInitiatedStop = true;
     _isDisconnecting = true;
@@ -303,9 +274,6 @@ class SessionTimer extends ChangeNotifier {
     notifyListeners();
   }
 
-  /// Restarts the periodic timer without resetting session state.
-  /// Used when the VPN reconnects after a brief network blip so we don't
-  /// lose track of remaining time / data.
   void _resumeTicking() {
     _timer?.cancel();
     _timer = Timer.periodic(const Duration(seconds: 1), _tick);
@@ -314,8 +282,6 @@ class SessionTimer extends ChangeNotifier {
     notifyListeners();
   }
 
-  /// Internal cleanup — called when VpnConnection confirms disconnected.
-  /// Cancels the persistent notification since the tunnel is truly down.
   void _stopInternal() {
     _isDisconnecting = true;
     _timer?.cancel();

lib/logic/vpn_connection.dart

@@ -1,13 +1,8 @@
-// =============================================================================
-//  vpn_connection.dart — VLESS VPN Tunnel Manager
-//  =============================================================================
-
 import 'dart:async';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_vless/flutter_vless.dart';
 import 'package:revoltvpn/logic/hivemind_service.dart';
 
-// ── VPN States ────────────────────────────────────────────────────────────────
 enum VpnStatus {
   disconnected,
   connecting,
@@ -99,8 +94,7 @@ class VpnConnection extends ChangeNotifier {
     }
   }
 
-  // ── Connect ───────────────────────────────────────────────────────────────
-  Future<bool> connect() async {
+    Future<bool> connect() async {
     if (_status == VpnStatus.connected || _status == VpnStatus.connecting) {
       return false;
     }
@@ -121,7 +115,6 @@ class VpnConnection extends ChangeNotifier {
       return true;
     }
 
-    // ── Step 1: Fetch VLESS URL from Hivemind ──────────────────────────
     String vlessUrl;
     try {
       vlessUrl = await HivemindService.fetchConfigWithPolling(
@@ -149,13 +142,11 @@ class VpnConnection extends ChangeNotifier {
       return false;
     }
 
-    // ── Step 2: Check for cancellation ────────────────────────────────
     if (_cancelled) {
       _setStatus(VpnStatus.disconnected, 'Tap to connect');
       return false;
     }
 
-    // ── Step 3: Parse and start VLESS tunnel ───────────────────────────
     try {
       final parsed = FlutterVless.parse(vlessUrl);
       final config = parsed.getFullConfiguration();
@@ -199,7 +190,6 @@ class VpnConnection extends ChangeNotifier {
     }
   }
 
-  // ── Disconnect ────────────────────────────────────────────────────────────
   Future<void> disconnect() async {
     _cancelled = true;
     HivemindService.cancel(); // abort any in-progress polling

lib/main.dart

@@ -10,63 +10,36 @@ import 'package:revoltvpn/logic/consent_manager.dart';
 import 'package:revoltvpn/logic/app_colors.dart';
 import 'package:revoltvpn/screens/intro.dart';
 
-/// The entry point for the REVOLT VPN application.
 void main() async {
-  // Ensure that the Flutter engine is fully initialized before using platform channels
-  // (e.g., for SystemChrome or MobileAds).
   WidgetsFlutterBinding.ensureInitialized();
 
-  // Lock the application to portrait orientation since the dashboard is a single-screen utility app
-  SystemChrome.setPreferredOrientations([
-    DeviceOrientation.portraitUp,
-  ]);
+  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
 
-  // Configure a stealth system bar layout: transparent status bar with light icons,
-  // blending seamlessly into the dark background gradient.
   SystemChrome.setSystemUIOverlayStyle(const SystemUiOverlayStyle(
     statusBarColor: Colors.transparent,
     statusBarIconBrightness: Brightness.light,
-    systemNavigationBarColor: Color(0xFF0D1117), // Deep space black
+    systemNavigationBarColor: Color(0xFF0D1117),
     systemNavigationBarIconBrightness: Brightness.light,
   ));
 
-  // ── GDPR Consent (Google UMP) ──────────────────────────────────────────
-  // Must run BEFORE MobileAds initialization. Shows consent dialog to
-  // EEA/UK users; no-op for everyone else.
   await ConsentManager.requestConsentIfNeeded();
-
-  // ── Initialize AdMob ───────────────────────────────────────────────────
-  // Only after consent is resolved so AdMob respects user preferences.
   await MobileAds.instance.initialize();
 
-  // Inflate the root widget
   runApp(const ReVoltApp());
 }
 
-/// The root application widget wrapping the app in necessary state providers and themes.
 class ReVoltApp extends StatelessWidget {
   const ReVoltApp({super.key});
 
   @override
   Widget build(BuildContext context) {
-    // MultiProvider injects global state controllers down the widget tree.
     return MultiProvider(
       providers: [
-        // Manages the VLESS tunnel lifecycle
         ChangeNotifierProvider(create: (_) => VpnConnection()),
-        
-        // Manages the 1-hour session clock.
-        // Uses ProxyProvider to automatically inject the VpnConnection, 
-        // allowing the timer to auto-disconnect the VPN when time expires.
         ChangeNotifierProxyProvider<VpnConnection, SessionTimer>(
-          create: (ctx) => SessionTimer(
-            vpnConnection: ctx.read<VpnConnection>(),
-          ),
-          update: (_, vpn, prev) =>
-              prev ?? SessionTimer(vpnConnection: vpn),
+          create: (ctx) => SessionTimer(vpnConnection: ctx.read<VpnConnection>()),
+          update: (_, vpn, prev) => prev ?? SessionTimer(vpnConnection: vpn),
         ),
-
-        // Manages rewarded ad lifecycle — preloads on startup.
         ChangeNotifierProvider(create: (_) => AdManager()),
       ],
       child: MaterialApp(
@@ -78,7 +51,6 @@ class ReVoltApp extends StatelessWidget {
     );
   }
 
-  /// Constructs the global dark theme used across the application.
   ThemeData _buildDarkTheme() {
     return ThemeData(
       brightness: Brightness.dark,