feat: Enhance TTS player functionality and UI

- Added resume functionality to TTS player when paused.
- Display voice name or language in TTS player UI.
- Improved error handling in reader provider with debug messages.
- Updated TTS service to configure Vietnamese voice and handle platform-specific audio settings.
- Removed wakelock dependency and related code.
- Fixed search screen error handling.
- Updated settings screen to navigate to home after sign out.
- Improved splash screen with timer management.
- Enhanced main app error handling with logging.
- Removed unused package_info_plus and wakelock_plus dependencies.
- Added environment variable support for mobile runtime.
- Integrated Google Sign-In configuration for Android.
- Created logging observer for Riverpod providers.
- Added scripts for environment setup and Google Sign-In validation.

lib/core/config/app_config.dart

@@ -1,13 +1,29 @@
+import 'package:flutter/foundation.dart';
+
 class AppConfig {
   AppConfig._();
 
-  static const String baseUrl = String.fromEnvironment(
-    'BASE_URL',
-    defaultValue: 'https://localhost:3000',
-  );
+  static const String _baseUrlFromEnv = String.fromEnvironment('BASE_URL');
+
+  static String get baseUrl {
+    if (_baseUrlFromEnv.isNotEmpty) {
+      return _baseUrlFromEnv;
+    }
+
+    if (!kIsWeb && defaultTargetPlatform == TargetPlatform.android) {
+      return 'http://10.0.2.2:8000';
+    }
+
+    return 'http://localhost:8000';
+  }
 
   static const String googleClientId = String.fromEnvironment(
     'GOOGLE_CLIENT_ID',
     defaultValue: '',
   );
+
+  static const String googleServerClientId = String.fromEnvironment(
+    'GOOGLE_SERVER_CLIENT_ID',
+    defaultValue: '',
+  );
 }

lib/core/logging/app_provider_observer.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class AppProviderObserver extends ProviderObserver {
+  const AppProviderObserver();
+
+  @override
+  void providerDidFail(
+    ProviderBase<Object?> provider,
+    Object error,
+    StackTrace stackTrace,
+    ProviderContainer container,
+  ) {
+    debugPrint('[APP][PROVIDER_ERROR] ${provider.name ?? provider.runtimeType}: $error');
+    debugPrintStack(stackTrace: stackTrace);
+  }
+}

lib/core/models/novel_model.dart

@@ -41,13 +41,24 @@ class NovelModel extends Equatable {
   final SeriesModel? series;
   final LatestChapterInfo? latestChapter;
 
+  static String _stringValue(dynamic value, {String fallback = ''}) {
+    if (value is String) return value;
+    if (value == null) return fallback;
+    return value.toString();
+  }
+
+  static int _intValue(dynamic value, {int fallback = 0}) {
+    if (value is num) return value.toInt();
+    return fallback;
+  }
+
   factory NovelModel.fromJson(Map<String, dynamic> json) => NovelModel(
-        id: json['id'] as String,
-        title: json['title'] as String,
-        slug: json['slug'] as String,
-        authorName: json['authorName'] as String,
-        status: json['status'] as String,
-        totalChapters: (json['totalChapters'] as num).toInt(),
+        id: _stringValue(json['id']),
+        title: _stringValue(json['title'], fallback: 'Không rõ tiêu đề'),
+        slug: _stringValue(json['slug']),
+        authorName: _stringValue(json['authorName'], fallback: 'Chưa rõ tác giả'),
+        status: _stringValue(json['status'], fallback: 'Đang ra'),
+        totalChapters: _intValue(json['totalChapters']),
         originalTitle: json['originalTitle'] as String?,
         description: json['description'] as String?,
         coverUrl: json['coverUrl'] as String?,

lib/core/models/reading_settings.dart

@@ -4,24 +4,40 @@ class ReadingSettings {
     this.lineHeight = 1.8,
     this.letterSpacing = 0,
     this.fontFamily = 'serif',
+    this.themePreset = 'paper',
+    this.horizontalPadding = 20,
+    this.paragraphSpacing = 24,
+    this.textAlign = 'justify',
   });
 
   final double fontSize;
   final double lineHeight;
   final double letterSpacing;
   final String fontFamily;
+  final String themePreset;
+  final double horizontalPadding;
+  final double paragraphSpacing;
+  final String textAlign;
 
   ReadingSettings copyWith({
     double? fontSize,
     double? lineHeight,
     double? letterSpacing,
     String? fontFamily,
+    String? themePreset,
+    double? horizontalPadding,
+    double? paragraphSpacing,
+    String? textAlign,
   }) =>
       ReadingSettings(
         fontSize: fontSize ?? this.fontSize,
         lineHeight: lineHeight ?? this.lineHeight,
         letterSpacing: letterSpacing ?? this.letterSpacing,
         fontFamily: fontFamily ?? this.fontFamily,
+        themePreset: themePreset ?? this.themePreset,
+        horizontalPadding: horizontalPadding ?? this.horizontalPadding,
+        paragraphSpacing: paragraphSpacing ?? this.paragraphSpacing,
+        textAlign: textAlign ?? this.textAlign,
       );
 
   factory ReadingSettings.fromJson(Map<String, dynamic> json) => ReadingSettings(
@@ -29,6 +45,10 @@ class ReadingSettings {
         lineHeight: (json['lineHeight'] as num?)?.toDouble() ?? 1.8,
         letterSpacing: (json['letterSpacing'] as num?)?.toDouble() ?? 0,
         fontFamily: json['fontFamily'] as String? ?? 'serif',
+        themePreset: json['themePreset'] as String? ?? 'paper',
+        horizontalPadding: (json['horizontalPadding'] as num?)?.toDouble() ?? 20,
+        paragraphSpacing: (json['paragraphSpacing'] as num?)?.toDouble() ?? 24,
+        textAlign: json['textAlign'] as String? ?? 'justify',
       );
 
   Map<String, dynamic> toJson() => {
@@ -36,5 +56,9 @@ class ReadingSettings {
         'lineHeight': lineHeight,
         'letterSpacing': letterSpacing,
         'fontFamily': fontFamily,
+        'themePreset': themePreset,
+        'horizontalPadding': horizontalPadding,
+        'paragraphSpacing': paragraphSpacing,
+        'textAlign': textAlign,
       };
 }

lib/core/network/api_client.dart

@@ -1,4 +1,5 @@
 import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
 
 import '../storage/secure_store.dart';
 
@@ -18,12 +19,28 @@ class ApiClient {
     dio.interceptors.add(
       InterceptorsWrapper(
         onRequest: (options, handler) async {
+          debugPrint('[API] ${options.method} ${options.baseUrl}${options.path}');
           final token = await _secureStore.getAccessToken();
           if (token != null && token.isNotEmpty) {
             options.headers['Authorization'] = 'Bearer $token';
           }
           handler.next(options);
         },
+        onResponse: (response, handler) {
+          debugPrint(
+            '[API][OK] ${response.requestOptions.method} '
+            '${response.requestOptions.baseUrl}${response.requestOptions.path} '
+            '-> ${response.statusCode}',
+          );
+          handler.next(response);
+        },
+        onError: (error, handler) {
+          debugPrint(
+            '[API][ERROR] ${error.requestOptions.method} ${error.requestOptions.baseUrl}${error.requestOptions.path} '
+            '-> ${error.type}: ${error.message}',
+          );
+          handler.next(error);
+        },
       ),
     );
   }

lib/core/storage/local_store.dart

@@ -7,6 +7,10 @@ class LocalStore {
   static const _kLineHeight = 'reader_line_height';
   static const _kLetterSpacing = 'reader_letter_spacing';
   static const _kFontFamily = 'reader_font_family';
+  static const _kThemePreset = 'reader_theme_preset';
+  static const _kHorizontalPadding = 'reader_horizontal_padding';
+  static const _kParagraphSpacing = 'reader_paragraph_spacing';
+  static const _kTextAlign = 'reader_text_align';
   static const _kProgressChapterId = 'progress_chapter_id_';
   static const _kProgressChapterNum = 'progress_chapter_num_';
   static const _kProgressOffset = 'progress_offset_';
@@ -19,6 +23,10 @@ class LocalStore {
     await prefs.setDouble(_kLineHeight, settings.lineHeight);
     await prefs.setDouble(_kLetterSpacing, settings.letterSpacing);
     await prefs.setString(_kFontFamily, settings.fontFamily);
+    await prefs.setString(_kThemePreset, settings.themePreset);
+    await prefs.setDouble(_kHorizontalPadding, settings.horizontalPadding);
+    await prefs.setDouble(_kParagraphSpacing, settings.paragraphSpacing);
+    await prefs.setString(_kTextAlign, settings.textAlign);
   }
 
   Future<ReadingSettings?> loadReadingSettings() async {
@@ -29,6 +37,10 @@ class LocalStore {
       lineHeight: prefs.getDouble(_kLineHeight) ?? 1.8,
       letterSpacing: prefs.getDouble(_kLetterSpacing) ?? 0,
       fontFamily: prefs.getString(_kFontFamily) ?? 'serif',
+      themePreset: prefs.getString(_kThemePreset) ?? 'paper',
+      horizontalPadding: prefs.getDouble(_kHorizontalPadding) ?? 20,
+      paragraphSpacing: prefs.getDouble(_kParagraphSpacing) ?? 24,
+      textAlign: prefs.getString(_kTextAlign) ?? 'justify',
     );
   }
 

lib/core/theme/app_theme.dart

@@ -16,4 +16,18 @@ class AppTheme {
       foregroundColor: Color(0xFF121826),
     ),
   );
+
+  static final ThemeData darkTheme = ThemeData(
+    useMaterial3: true,
+    colorScheme: ColorScheme.fromSeed(
+      seedColor: const Color(0xFF155DFC),
+      brightness: Brightness.dark,
+    ),
+    scaffoldBackgroundColor: const Color(0xFF0E1420),
+    appBarTheme: const AppBarTheme(
+      centerTitle: false,
+      backgroundColor: Color(0xFF0E1420),
+      foregroundColor: Color(0xFFE5EAF3),
+    ),
+  );
 }