package pk.lucidxpo.ynami.service.sample;
   
   import org.springframework.beans.factory.annotation.Autowired;
   import org.springframework.stereotype.Service;
   import pk.lucidxpo.ynami.persistence.dao.sample.SampleRepository;
   import pk.lucidxpo.ynami.persistence.model.sample.Sample;
   
   import java.util.List;
   import java.util.Map;
  import java.util.Optional;
  
  import static java.lang.Boolean.valueOf;
  
  @Service
  public class SampleServiceImpl implements SampleService {
      private final SampleRepository sampleRepository;
  
      @Autowired
      public SampleServiceImpl(final SampleRepository sampleRepository) {
          this.sampleRepository = sampleRepository;
      }
  
      @Override
      public List<Sample> getAll() {
          return sampleRepository.findAll();
      }
  
      @Override
      public Optional<Sample> findById(String id) {
          return sampleRepository.findById(id);
      }
  
      @Override
      public boolean existsByFirstName(String firstName) {
          return sampleRepository.existsByFirstName(firstName);
      }
  
      @Override
      public Sample create(Sample sample) {
          return sampleRepository.save(sample);
      }
  
      @Override
      public Sample update(Sample sample) {
          return sampleRepository.save(sample);
      }
  
      @Override
      public void delete(String id) {
          sampleRepository.deleteById(id);
      }
  
      @Override
      public Sample updateStatus(String id, Map<String, Object> updates) {
          final Optional<Sample> sample = findById(id);
  
          //potential NullPointerException
          sample.get().setActive(valueOf((String) updates.get("active")));
  
          return sampleRepository.save(sample.get());
      }
  }