import 'package:eatvio_app/features/diary/models/nutrition_model.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('NutritionModel', () {
    test('создает NutritionModel с правильными значениями', () {
      const model = NutritionModel(
        energy: 2000.0,
        proteins: 100.0,
        fats: 50.0,
        carbohydrates: 250.0,
      );

      expect(model.energy, 2000.0);
      expect(model.proteins, 100.0);
      expect(model.fats, 50.0);
      expect(model.carbohydrates, 250.0);
    });

    test('fromJson создает NutritionModel из JSON', () {
      final json = {
        'energy': 2000.0,
        'proteins': 100.0,
        'fats': 50.0,
        'carbohydrates': 250.0,
      };

      final model = NutritionModel.fromJson(json);

      expect(model.energy, 2000.0);
      expect(model.proteins, 100.0);
    });

    test('toJson serializes NutritionModel correctly', () {
      const model = NutritionModel(
        energy: 2000.0,
        proteins: 100.0,
        fats: 50.0,
        carbohydrates: 250.0,
      );

      final json = model.toJson();

      expect(json['energy'], 2000.0);
      expect(json['proteins'], 100.0);
      expect(json['fats'], 50.0);
      expect(json['carbohydrates'], 250.0);
    });
  });

  group('NutritionDataModel', () {
    test('создает NutritionDataModel с правильными значениями', () {
      const intake = NutritionModel(
        energy: 2000.0,
        proteins: 100.0,
        fats: 50.0,
        carbohydrates: 250.0,
      );

      const recommendation = NutritionModel(
        energy: 2500.0,
        proteins: 120.0,
        fats: 60.0,
        carbohydrates: 300.0,
      );

      const model = NutritionDataModel(
        dailyNutritionIntake: intake,
        dailyNutritionRecommendation: recommendation,
      );

      expect(model.dailyNutritionIntake.energy, 2000.0);
      expect(model.dailyNutritionRecommendation.energy, 2500.0);
    });

    test('fromJson создает NutritionDataModel из JSON', () {
      final json = {
        'dailyNutritionIntake': {
          'energy': 2000.0,
          'proteins': 100.0,
          'fats': 50.0,
          'carbohydrates': 250.0,
        },
        'dailyNutritionRecommendation': {
          'energy': 2500.0,
          'proteins': 120.0,
          'fats': 60.0,
          'carbohydrates': 300.0,
        },
      };

      final model = NutritionDataModel.fromJson(json);

      expect(model.dailyNutritionIntake.energy, 2000.0);
      expect(model.dailyNutritionRecommendation.energy, 2500.0);
    });

    test('toJson serializes NutritionDataModel correctly', () {
      const intake = NutritionModel(
        energy: 2000.0,
        proteins: 100.0,
        fats: 50.0,
        carbohydrates: 250.0,
      );

      const recommendation = NutritionModel(
        energy: 2500.0,
        proteins: 120.0,
        fats: 60.0,
        carbohydrates: 300.0,
      );

      const model = NutritionDataModel(
        dailyNutritionIntake: intake,
        dailyNutritionRecommendation: recommendation,
      );

      final json = model.toJson();

      expect(json.containsKey('dailyNutritionIntake'), isTrue);
      expect(json.containsKey('dailyNutritionRecommendation'), isTrue);
    });
  });
}