runable

lib/features/settings/domain/entities/app_settings.dart

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+import 'package:equatable/equatable.dart';
+import 'package:flutter/material.dart';
+import '../../../../core/constants/app_constants.dart';
+
+/// App settings domain entity
+class AppSettings extends Equatable {
+  final ThemeMode themeMode;
+  final String language;
+  final String currency;
+  final double taxRate;
+  final String storeName;
+  final bool enableSync;
+  final DateTime? lastSyncAt;
+
+  const AppSettings({
+    required this.themeMode,
+    required this.language,
+    required this.currency,
+    required this.taxRate,
+    required this.storeName,
+    required this.enableSync,
+    this.lastSyncAt,
+  });
+
+  AppSettings copyWith({
+    ThemeMode? themeMode,
+    String? language,
+    String? currency,
+    double? taxRate,
+    String? storeName,
+    bool? enableSync,
+    DateTime? lastSyncAt,
+  }) {
+    return AppSettings(
+      themeMode: themeMode ?? this.themeMode,
+      language: language ?? this.language,
+      currency: currency ?? this.currency,
+      taxRate: taxRate ?? this.taxRate,
+      storeName: storeName ?? this.storeName,
+      enableSync: enableSync ?? this.enableSync,
+      lastSyncAt: lastSyncAt ?? this.lastSyncAt,
+    );
+  }
+
+  /// Create default settings
+  factory AppSettings.defaultSettings() {
+    return const AppSettings(
+      themeMode: ThemeMode.system,
+      language: AppConstants.defaultLanguage,
+      currency: AppConstants.defaultCurrency,
+      taxRate: AppConstants.defaultTaxRate,
+      storeName: AppConstants.appName,
+      enableSync: true,
+      lastSyncAt: null,
+    );
+  }
+
+  @override
+  List<Object?> get props => [
+        themeMode,
+        language,
+        currency,
+        taxRate,
+        storeName,
+        enableSync,
+        lastSyncAt,
+      ];
+}