class DiaryEntry {
  final String id;
  final String date;
  final String mealType;
  final String name;
  final double portions;
  final double? calories;
  final double? proteinG;
  final double? fatG;
  final double? carbsG;
  final String source;
  final String? dishId;
  final String? recipeId;
  final double? portionG;

  const DiaryEntry({
    required this.id,
    required this.date,
    required this.mealType,
    required this.name,
    required this.portions,
    this.calories,
    this.proteinG,
    this.fatG,
    this.carbsG,
    required this.source,
    this.dishId,
    this.recipeId,
    this.portionG,
  });

  factory DiaryEntry.fromJson(Map<String, dynamic> json) {
    return DiaryEntry(
      id: json['id'] as String? ?? '',
      date: json['date'] as String? ?? '',
      mealType: json['meal_type'] as String? ?? '',
      name: json['name'] as String? ?? '',
      portions: (json['portions'] as num?)?.toDouble() ?? 1,
      calories: (json['calories'] as num?)?.toDouble(),
      proteinG: (json['protein_g'] as num?)?.toDouble(),
      fatG: (json['fat_g'] as num?)?.toDouble(),
      carbsG: (json['carbs_g'] as num?)?.toDouble(),
      source: json['source'] as String? ?? 'manual',
      dishId: json['dish_id'] as String?,
      recipeId: json['recipe_id'] as String?,
      portionG: (json['portion_g'] as num?)?.toDouble(),
    );
  }

  String get mealLabel {
    switch (mealType) {
      case 'breakfast':
        return 'Завтрак';
      case 'lunch':
        return 'Обед';
      case 'dinner':
        return 'Ужин';
      default:
        return mealType;
    }
  }
}