package eu.eudat.dao.entities;

import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;

import javax.persistence.Query;
import javax.persistence.TypedQuery;

import eu.eudat.dao.JpaDao;
import eu.eudat.entities.DatasetProfile;
import eu.eudat.entities.responses.IDLabelPair;
import org.springframework.stereotype.Component;

@Component("datasetProfileDao")
public class DatasetProfileDaoImpl extends JpaDao<DatasetProfile, UUID> implements DatasetProfileDao {

	
	public DatasetProfile loadDetails(DatasetProfile t) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public List<UUID> listAllIDs() {
		String queryString = "SELECT dp.id FROM DatasetProfile dp";
		TypedQuery<UUID> typedQuery = entityManager.createQuery(queryString, UUID.class);
		return typedQuery.getResultList();
	}
	
	
	@Override
	public List<IDLabelPair> listAllIDsLabels() {
		String queryString = "SELECT dp.id, dp.label FROM DatasetProfile dp";
		Query query = (Query) entityManager.createQuery(queryString);
		List<Object[]> rows = query.getResultList();
		return rows.stream().map(row -> {
			return new IDLabelPair(row[0].toString(), row[1].toString());
		})
		.collect(Collectors.toList());
	}
	

}