import '../../core/api/api_client.dart';
import '../../shared/models/product.dart';

/// Service for looking up catalog products by barcode or search query.
/// Used in the diary flow to log pre-packaged foods.
class FoodProductService {
  const FoodProductService(this._client);

  final ApiClient _client;

  /// Fetches catalog product by barcode. Returns null when not found.
  Future<CatalogProduct?> getByBarcode(String barcode) async {
    try {
      final data = await _client.get('/products/barcode/$barcode');
      return CatalogProduct.fromJson(data);
    } catch (_) {
      return null;
    }
  }

  /// Searches catalog products by name query.
  Future<List<CatalogProduct>> searchProducts(String query) async {
    if (query.isEmpty) return [];
    final list = await _client.getList(
      '/products/search',
      params: {'q': query, 'limit': '10'},
    );
    return list
        .map((e) => CatalogProduct.fromJson(e as Map<String, dynamic>))
        .toList();
  }
}