/// Tests unitaires pour DeleteContribution use case
library delete_contribution_test;

import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/annotations.dart';
import 'package:mockito/mockito.dart';
import 'package:unionflow_mobile_apps/features/contributions/domain/repositories/contribution_repository.dart';
import 'package:unionflow_mobile_apps/features/contributions/domain/usecases/delete_contribution.dart';

@GenerateMocks([IContributionRepository])
import 'delete_contribution_test.mocks.dart';

void main() {
  late DeleteContribution useCase;
  late MockIContributionRepository mockRepository;

  setUp(() {
    mockRepository = MockIContributionRepository();
    useCase = DeleteContribution(mockRepository);
  });

  group('DeleteContribution Use Case', () {
    const tContributionId = 'cont123';

    test('should delete contribution successfully', () async {
      // Arrange
      when(mockRepository.deleteCotisation(tContributionId))
          .thenAnswer((_) async => Future.value());

      // Act
      await useCase(tContributionId);

      // Assert
      verify(mockRepository.deleteCotisation(tContributionId));
      verifyNoMoreInteractions(mockRepository);
    });

    test('should throw exception when contribution not found', () async {
      // Arrange
      when(mockRepository.deleteCotisation(any))
          .thenThrow(Exception('Contribution non trouvée'));

      // Act & Assert
      expect(() => useCase('nonexistent'), throwsA(isA<Exception>()));
      verify(mockRepository.deleteCotisation('nonexistent'));
    });

    test('should throw exception when contribution is already paid', () async {
      // Arrange
      when(mockRepository.deleteCotisation(any))
          .thenThrow(Exception('Impossible de supprimer une cotisation payée'));

      // Act & Assert
      expect(() => useCase(tContributionId), throwsA(isA<Exception>()));
    });

    test('should throw exception when deletion fails', () async {
      // Arrange
      when(mockRepository.deleteCotisation(any))
          .thenThrow(Exception('Erreur de suppression'));

      // Act & Assert
      expect(() => useCase(tContributionId), throwsException);
    });
  });
}
