import 'package:flutter_test/flutter_test.dart';
import 'package:hwhub/services/collection_service.dart';

void main() {
  group('Collection role permissions', () {
    Collection collectionWithRole(String role) {
      return Collection(
        id: 'c1',
        name: 'Garage',
        ownerId: 'u1',
        createdAt: DateTime(2026, 1, 1),
        role: role,
      );
    }

    test('owner and member can modify cars, viewer cannot', () {
      expect(collectionWithRole('owner').canModifyCars, isTrue);
      expect(collectionWithRole('member').canModifyCars, isTrue);
      expect(collectionWithRole('viewer').canModifyCars, isFalse);
    });

    test('viewer role flag is detected correctly', () {
      expect(collectionWithRole('viewer').isViewer, isTrue);
      expect(collectionWithRole('member').isViewer, isFalse);
    });
  });

  group('CollectionService invite role validation', () {
    test('normalizes role input', () {
      expect(CollectionService.normalizeRole(' Viewer '), 'viewer');
      expect(CollectionService.normalizeRole('MEMBER'), 'member');
    });

    test('allows only member and viewer roles', () {
      expect(CollectionService.isSupportedInviteRole('member'), isTrue);
      expect(CollectionService.isSupportedInviteRole('viewer'), isTrue);
      expect(CollectionService.isSupportedInviteRole(' owner '), isFalse);
      expect(CollectionService.isSupportedInviteRole('admin'), isFalse);
    });
  });
}