import 'package:flutter_test/flutter_test.dart';

import 'package:sxchnge_kyc/sxchnge_kyc.dart';

class RealIdentity extends DummyIdentityService {
  IdentityStatus status = IdentityStatus.unverified;
  bool unavailable = false;
  @override
  bool get isSimulated => false;
  @override
  Future<Identity> fetch() async {
    if (unavailable) throw const KycException(KycError.unavailable);
    return Identity(status: status);
  }
}

void main() {
  test('offers optional verification once to a basic customer and allows later corrections', () async {
    final service = RealIdentity(),
        provider = IdentityOnboardingProvider(RealIdentity());
    expect(await provider.offer('customer'), true);
    expect(await provider.offer('customer'), false);
    final subject = IdentityOnboardingProvider(service);
    service.status = IdentityStatus.pending;
    expect(await subject.offer('pending'), false);
    service.status = IdentityStatus.approved;
    expect(await subject.offer('approved'), false);
    service.status = IdentityStatus.changesRequested;
    expect(await subject.offer('correction'), true);
  });
  test(
    'a failed optional identity dependency never blocks basic login',
    () async {
      final service = RealIdentity()..unavailable = true;
      expect(
        await IdentityOnboardingProvider(service).offer('customer'),
        false,
      );
    },
  );
}