fix: verify notification permission UX

lib/l10n/app_en.arb

@@ -59,7 +59,7 @@
     "@pleaseAllowNotifications": {
         "description": "Title asking the user to allow notifications"
     },
-    "notificationPermissionDescription": "OnTime needs notifications to help you get ready",
+    "notificationPermissionDescription": "OnTime sends schedule preparation reminders so you can get ready on time.",
     "@notificationPermissionDescription": {
         "description": "Description explaining why notification permission is needed"
     },
@@ -464,15 +464,15 @@
     "@notificationAlreadyEnabled": {
         "description": "Dialog title when notification is already enabled"
     },
-    "notificationAlreadyEnabledDescription": "App notifications are currently active.",
+    "notificationAlreadyEnabledDescription": "Schedule preparation reminders are currently active.",
     "@notificationAlreadyEnabledDescription": {
         "description": "Dialog content when notification is already enabled"
     },
     "notificationPermissionRequired": "Notification Permission Required",
     "@notificationPermissionRequired": {
         "description": "Dialog title when requesting notification permission"
     },
-    "notificationPermissionRequiredDescription": "We'll send you notifications so you don't miss your appointments.\nWould you like to allow notifications?",
+    "notificationPermissionRequiredDescription": "OnTime uses notifications for schedule preparation reminders and appointment alerts.\nWould you like to allow notifications?",
     "@notificationPermissionRequiredDescription": {
         "description": "Dialog content when requesting notification permission"
     },
@@ -484,15 +484,15 @@
     "@notificationPermissionGranted": {
         "description": "Dialog title when notification permission is granted"
     },
-    "notificationPermissionGrantedDescription": "Notifications have been successfully activated.",
+    "notificationPermissionGrantedDescription": "Schedule preparation reminders are now active.",
     "@notificationPermissionGrantedDescription": {
         "description": "Dialog content when notification permission is granted"
     },
     "openNotificationSettings": "Allow Notifications in Settings",
     "@openNotificationSettings": {
         "description": "Dialog title to open notification settings"
     },
-    "openNotificationSettingsDescription": "Notification permission was denied.\nPlease allow notifications in Settings.",
+    "openNotificationSettingsDescription": "Notification permission was denied.\nTo receive schedule preparation reminders, please allow notifications in Settings.",
     "@openNotificationSettingsDescription": {
         "description": "Dialog content to open notification settings"
     },

lib/l10n/app_ko.arb

@@ -14,7 +14,7 @@
     "allowNotifications": "알림 허용하기",
     "doItLater": "나중에 할게요.",
     "pleaseAllowNotifications": "알림을 허용해주세요",
-    "notificationPermissionDescription": "알림을 허용해야 온타임이 준비를 \n도와드릴 수 있어요",
+    "notificationPermissionDescription": "약속 준비 리마인더를 보내\n제시간에 준비할 수 있게 도와드려요.",
     "late": " 지각했어요",
     "early": " 일찍 준비했어요",
     "letsGo": "까먹지 않고 출발",
@@ -157,13 +157,13 @@
         "description": "Notification body text for continuing preparation"
     },
     "notificationAlreadyEnabled": "알림이 이미 허용됨",
-    "notificationAlreadyEnabledDescription": "현재 앱 알림이 활성화되어 있습니다.",
+    "notificationAlreadyEnabledDescription": "약속 준비 리마인더가 현재 활성화되어 있습니다.",
     "notificationPermissionRequired": "알림 권한 필요",
-    "notificationPermissionRequiredDescription": "약속 시간을 놓치지 않도록 알림을 보내드립니다.\n알림을 허용하시겠습니까?",
+    "notificationPermissionRequiredDescription": "온타임은 약속 준비 리마인더와 약속 알림을 보내기 위해 알림을 사용합니다.\n알림을 허용하시겠습니까?",
     "allow": "허용",
     "notificationPermissionGranted": "알림 허용 완료",
-    "notificationPermissionGrantedDescription": "알림이 성공적으로 활성화되었습니다.",
+    "notificationPermissionGrantedDescription": "약속 준비 리마인더가 활성화되었습니다.",
     "openNotificationSettings": "설정에서 알림 허용",
-    "openNotificationSettingsDescription": "알림 권한이 거부되었습니다.\n설정에서 직접 알림을 허용해주세요.",
+    "openNotificationSettingsDescription": "알림 권한이 거부되었습니다.\n약속 준비 리마인더를 받으려면 설정에서 알림을 허용해주세요.",
     "openSettings": "설정 열기"
 }

lib/l10n/app_localizations.dart

@@ -191,7 +191,7 @@ abstract class AppLocalizations {
   /// Description explaining why notification permission is needed
   ///
   /// In en, this message translates to:
-  /// **'OnTime needs notifications to help you get ready'**
+  /// **'OnTime sends schedule preparation reminders so you can get ready on time.'**
   String get notificationPermissionDescription;
 
   /// Appended to the time when the user is late
@@ -725,7 +725,7 @@ abstract class AppLocalizations {
   /// Dialog content when notification is already enabled
   ///
   /// In en, this message translates to:
-  /// **'App notifications are currently active.'**
+  /// **'Schedule preparation reminders are currently active.'**
   String get notificationAlreadyEnabledDescription;
 
   /// Dialog title when requesting notification permission
@@ -737,7 +737,7 @@ abstract class AppLocalizations {
   /// Dialog content when requesting notification permission
   ///
   /// In en, this message translates to:
-  /// **'We\'ll send you notifications so you don\'t miss your appointments.\nWould you like to allow notifications?'**
+  /// **'OnTime uses notifications for schedule preparation reminders and appointment alerts.\nWould you like to allow notifications?'**
   String get notificationPermissionRequiredDescription;
 
   /// Button text to allow permission
@@ -755,7 +755,7 @@ abstract class AppLocalizations {
   /// Dialog content when notification permission is granted
   ///
   /// In en, this message translates to:
-  /// **'Notifications have been successfully activated.'**
+  /// **'Schedule preparation reminders are now active.'**
   String get notificationPermissionGrantedDescription;
 
   /// Dialog title to open notification settings
@@ -767,7 +767,7 @@ abstract class AppLocalizations {
   /// Dialog content to open notification settings
   ///
   /// In en, this message translates to:
-  /// **'Notification permission was denied.\nPlease allow notifications in Settings.'**
+  /// **'Notification permission was denied.\nTo receive schedule preparation reminders, please allow notifications in Settings.'**
   String get openNotificationSettingsDescription;
 
   /// Button text to open app settings

lib/l10n/app_localizations_en.dart

@@ -57,7 +57,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get notificationPermissionDescription =>
-      'OnTime needs notifications to help you get ready';
+      'OnTime sends schedule preparation reminders so you can get ready on time.';
 
   @override
   String get late => ' late';
@@ -370,15 +370,15 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get notificationAlreadyEnabledDescription =>
-      'App notifications are currently active.';
+      'Schedule preparation reminders are currently active.';
 
   @override
   String get notificationPermissionRequired =>
       'Notification Permission Required';
 
   @override
   String get notificationPermissionRequiredDescription =>
-      'We\'ll send you notifications so you don\'t miss your appointments.\nWould you like to allow notifications?';
+      'OnTime uses notifications for schedule preparation reminders and appointment alerts.\nWould you like to allow notifications?';
 
   @override
   String get allow => 'Allow';
@@ -388,14 +388,14 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get notificationPermissionGrantedDescription =>
-      'Notifications have been successfully activated.';
+      'Schedule preparation reminders are now active.';
 
   @override
   String get openNotificationSettings => 'Allow Notifications in Settings';
 
   @override
   String get openNotificationSettingsDescription =>
-      'Notification permission was denied.\nPlease allow notifications in Settings.';
+      'Notification permission was denied.\nTo receive schedule preparation reminders, please allow notifications in Settings.';
 
   @override
   String get openSettings => 'Open Settings';

lib/l10n/app_localizations_ko.dart

@@ -55,7 +55,7 @@ class AppLocalizationsKo extends AppLocalizations {
 
   @override
   String get notificationPermissionDescription =>
-      '알림을 허용해야 온타임이 준비를 \n도와드릴 수 있어요';
+      '약속 준비 리마인더를 보내\n제시간에 준비할 수 있게 도와드려요.';
 
   @override
   String get late => ' 지각했어요';
@@ -345,14 +345,15 @@ class AppLocalizationsKo extends AppLocalizations {
   String get notificationAlreadyEnabled => '알림이 이미 허용됨';
 
   @override
-  String get notificationAlreadyEnabledDescription => '현재 앱 알림이 활성화되어 있습니다.';
+  String get notificationAlreadyEnabledDescription =>
+      '약속 준비 리마인더가 현재 활성화되어 있습니다.';
 
   @override
   String get notificationPermissionRequired => '알림 권한 필요';
 
   @override
   String get notificationPermissionRequiredDescription =>
-      '약속 시간을 놓치지 않도록 알림을 보내드립니다.\n알림을 허용하시겠습니까?';
+      '온타임은 약속 준비 리마인더와 약속 알림을 보내기 위해 알림을 사용합니다.\n알림을 허용하시겠습니까?';
 
   @override
   String get allow => '허용';
@@ -361,14 +362,15 @@ class AppLocalizationsKo extends AppLocalizations {
   String get notificationPermissionGranted => '알림 허용 완료';
 
   @override
-  String get notificationPermissionGrantedDescription => '알림이 성공적으로 활성화되었습니다.';
+  String get notificationPermissionGrantedDescription =>
+      '약속 준비 리마인더가 활성화되었습니다.';
 
   @override
   String get openNotificationSettings => '설정에서 알림 허용';
 
   @override
   String get openNotificationSettingsDescription =>
-      '알림 권한이 거부되었습니다.\n설정에서 직접 알림을 허용해주세요.';
+      '알림 권한이 거부되었습니다.\n약속 준비 리마인더를 받으려면 설정에서 알림을 허용해주세요.';
 
   @override
   String get openSettings => '설정 열기';

lib/presentation/notification_allow/screens/notification_allow_screen.dart

@@ -10,8 +10,41 @@ import 'package:on_time_front/presentation/shared/components/modal_wide_button.d
 import 'package:on_time_front/presentation/shared/components/two_action_dialog.dart';
 import 'package:on_time_front/presentation/shared/constants/app_colors.dart';
 
+abstract interface class NotificationPermissionGateway {
+  Future<AuthorizationStatus> checkNotificationPermission();
+
+  Future<AuthorizationStatus> requestPermission();
+
+  Future<bool> openNotificationSettings();
+}
+
+class NotificationServicePermissionGateway
+    implements NotificationPermissionGateway {
+  const NotificationServicePermissionGateway();
+
+  @override
+  Future<AuthorizationStatus> checkNotificationPermission() {
+    return NotificationService.instance.checkNotificationPermission();
+  }
+
+  @override
+  Future<bool> openNotificationSettings() {
+    return NotificationService.instance.openNotificationSettings();
+  }
+
+  @override
+  Future<AuthorizationStatus> requestPermission() {
+    return NotificationService.instance.requestPermission();
+  }
+}
+
 class NotificationAllowScreen extends StatelessWidget {
-  const NotificationAllowScreen({super.key});
+  const NotificationAllowScreen({
+    super.key,
+    this.permissionGateway = const NotificationServicePermissionGateway(),
+  });
+
+  final NotificationPermissionGateway permissionGateway;
 
   @override
   Widget build(BuildContext context) {
@@ -31,14 +64,11 @@ class NotificationAllowScreen extends StatelessWidget {
                   mainAxisAlignment: MainAxisAlignment.start,
                   crossAxisAlignment: CrossAxisAlignment.center,
                   spacing: 40,
-                  children: [
-                    _Image(),
-                    _Title(),
-                  ],
+                  children: [_Image(), _Title()],
                 ),
               ),
             ),
-            _Buttons(),
+            _Buttons(permissionGateway: permissionGateway),
           ],
         ),
       ),
@@ -47,7 +77,10 @@ class NotificationAllowScreen extends StatelessWidget {
 }
 
 class _Buttons extends StatelessWidget {
-  const _Buttons();
+  const _Buttons({required this.permissionGateway});
+
+  final NotificationPermissionGateway permissionGateway;
+
   @override
   Widget build(BuildContext context) {
     final textTheme = Theme.of(context).textTheme;
@@ -60,7 +93,7 @@ class _Buttons extends StatelessWidget {
       children: [
         FilledButton(
           onPressed: () async {
-            await _handleNotificationPermission(context);
+            await _handleNotificationPermission(context, permissionGateway);
           },
           child: Text(
             AppLocalizations.of(context)!.allowNotifications,
@@ -110,18 +143,14 @@ class _Title extends StatelessWidget {
         Text(
           AppLocalizations.of(context)!.pleaseAllowNotifications,
           textAlign: TextAlign.center,
-          style: textTheme.headlineMedium?.copyWith(
-            color: colorScheme.primary,
-          ),
+          style: textTheme.headlineMedium?.copyWith(color: colorScheme.primary),
         ),
         SizedBox(
           width: 282,
           child: Text(
             AppLocalizations.of(context)!.notificationPermissionDescription,
             textAlign: TextAlign.center,
-            style: textTheme.titleMedium?.copyWith(
-              color: colorScheme.outline,
-            ),
+            style: textTheme.titleMedium?.copyWith(color: colorScheme.outline),
           ),
         ),
       ],
@@ -141,25 +170,22 @@ class _Image extends StatelessWidget {
       padding: const EdgeInsets.all(17.50),
       decoration: ShapeDecoration(
         color: colorScheme.primaryContainer,
-        shape: RoundedRectangleBorder(
-          borderRadius: BorderRadius.circular(35),
-        ),
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(35)),
       ),
       child: SvgPicture.asset(
         'bell-ringing.svg',
         package: 'assets',
-        colorFilter: ColorFilter.mode(
-          colorScheme.primary,
-          BlendMode.srcIn,
-        ),
+        colorFilter: ColorFilter.mode(colorScheme.primary, BlendMode.srcIn),
       ),
     );
   }
 }
 
-Future<void> _handleNotificationPermission(BuildContext context) async {
-  final notificationService = NotificationService.instance;
-  final currentStatus = await notificationService.checkNotificationPermission();
+Future<void> _handleNotificationPermission(
+  BuildContext context,
+  NotificationPermissionGateway permissionGateway,
+) async {
+  final currentStatus = await permissionGateway.checkNotificationPermission();
 
   if (!context.mounted) return;
 
@@ -171,15 +197,15 @@ Future<void> _handleNotificationPermission(BuildContext context) async {
   } else if (currentStatus == AuthorizationStatus.denied) {
     final shouldOpenSettings = await _showGoToSettingsDialog(context);
     if (shouldOpenSettings == true) {
-      await notificationService.openNotificationSettings();
+      await permissionGateway.openNotificationSettings();
     } else if (context.mounted) {
       await context.read<NotificationGateCubit>().dismissPrompt();
       if (context.mounted) {
         context.go('/home');
       }
     }
   } else if (currentStatus == AuthorizationStatus.notDetermined) {
-    final newStatus = await notificationService.requestPermission();
+    final newStatus = await permissionGateway.requestPermission();
 
     if (!context.mounted) return;
 
@@ -191,7 +217,7 @@ Future<void> _handleNotificationPermission(BuildContext context) async {
     } else if (newStatus == AuthorizationStatus.denied) {
       final shouldOpenSettings = await _showGoToSettingsDialog(context);
       if (shouldOpenSettings == true) {
-        await notificationService.openNotificationSettings();
+        await permissionGateway.openNotificationSettings();
       } else if (context.mounted) {
         await context.read<NotificationGateCubit>().dismissPrompt();
         if (context.mounted) {
@@ -202,7 +228,7 @@ Future<void> _handleNotificationPermission(BuildContext context) async {
   } else {
     final shouldOpenSettings = await _showGoToSettingsDialog(context);
     if (shouldOpenSettings == true) {
-      await notificationService.openNotificationSettings();
+      await permissionGateway.openNotificationSettings();
     } else if (context.mounted) {
       await context.read<NotificationGateCubit>().dismissPrompt();
       if (context.mounted) {