import 'package:flutter/material.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import '../../domain/entities/app_settings.dart';
import '../../../../core/constants/app_constants.dart';

part 'settings_provider.g.dart';

/// Provider for app settings
@riverpod
class Settings extends _$Settings {
  @override
  Future<AppSettings> build() async {
    // TODO: Implement with repository
    // Return default settings for now
    return const AppSettings(
      themeMode: ThemeMode.system,
      language: AppConstants.defaultLanguage,
      currency: AppConstants.defaultCurrency,
      taxRate: AppConstants.defaultTaxRate,
      storeName: AppConstants.appName,
      enableSync: true,
    );
  }

  Future<void> updateTheme(ThemeMode mode) async {
    final current = state.value;
    if (current != null) {
      final updated = current.copyWith(themeMode: mode);
      state = AsyncValue.data(updated);
      // TODO: Persist to repository
    }
  }

  Future<void> updateLanguage(String language) async {
    final current = state.value;
    if (current != null) {
      final updated = current.copyWith(language: language);
      state = AsyncValue.data(updated);
      // TODO: Persist to repository
    }
  }

  Future<void> updateLastSyncTime() async {
    final current = state.value;
    if (current != null) {
      final updated = current.copyWith(lastSyncAt: DateTime.now());
      state = AsyncValue.data(updated);
      // TODO: Persist to repository
    }
  }
}