package eu.eudat.dao.entities;

import java.util.List;
import java.util.Set;
import java.util.UUID;

import javax.persistence.NoResultException;
import javax.persistence.TypedQuery;

import eu.eudat.dao.JpaDao;
import eu.eudat.entities.DMP;
import eu.eudat.entities.UserInfo;
import eu.eudat.entities.security.UserAuth;
import org.springframework.stereotype.Component;

@Component("userInfoDao")
public class UserInfoDaoImpl extends JpaDao<UserInfo, UUID> implements UserInfoDao {

	public UserInfo loadDetails(UserInfo t) {
		// TODO Auto-generated method stub
		return null;
	}
	
	
	
	@Override
	public UserInfo getUserInfo(String userID) {
		String queryString = "FROM UserInfo userInfo where userInfo.id = :userInfoID";
		TypedQuery<UserInfo> typedQuery = entityManager.createQuery(queryString, UserInfo.class);
		typedQuery.setParameter("userInfoID", UUID.fromString(userID));
		try {
			return typedQuery.getSingleResult();
		}
		catch(NoResultException ex) {
			return null;
		}
	}
	
	
	
	@Override
	public UserInfo getByIdAndMail(String id, String email) {
		String queryString = "FROM UserInfo userInfo where userInfo.id = :userInfoID and userInfo.email = :userInfoEmail";
		TypedQuery<UserInfo> typedQuery = entityManager.createQuery(queryString, UserInfo.class);
		typedQuery.setParameter("userInfoID", UUID.fromString(id));
		typedQuery.setParameter("userInfoEmail", email);
		try {
			return typedQuery.getSingleResult();
		}
		catch(NoResultException ex) {
			return null;
		}
	}
	
	@Override
	public UserInfo getByAuthenticationId(String authenticationID) {
		UserAuth userauth = new UserAuth();
		userauth.setId(UUID.fromString(authenticationID));
		String queryString = "FROM UserInfo userInfo where userInfo.authentication = :auth";
		TypedQuery<UserInfo> typedQuery = entityManager.createQuery(queryString, UserInfo.class);
		typedQuery.setParameter("auth", userauth);
		try {
			return typedQuery.getSingleResult();
		}
		catch(NoResultException ex) {
			return null;
		}
	}



	@Override
	public UserInfo getByMail(String email) {
		String queryString = "FROM UserInfo userInfo where userInfo.email = :email";
		TypedQuery<UserInfo> typedQuery = entityManager.createQuery(queryString, UserInfo.class);
		typedQuery.setParameter("email", email);
		try {
			return typedQuery.getSingleResult();
		}
		catch(Exception ex) { //no need to distinguish between eu.eudat.exceptions for the moment
			return null;
		}
	}



	@Override
	public UserInfo getByUsername(String username) {
		
		String queryString = "select ui from UserInfo ui join UserAuth ui.authentication ua where ua.username=:username";
		TypedQuery<UserInfo> typedQuery = entityManager.createQuery(queryString, UserInfo.class);
		typedQuery.setParameter("username", username);
		try {
			return typedQuery.getSingleResult();
		}
		catch(Exception ex) { //no need to distinguish between eu.eudat.exceptions for the moment
			return null;
		}
	}

	@Override
	public List<DMP> getDmpsOfUser(String userID) {
		
		String queryString = "select dmp from DMP dmp join dmp.users user where user.id=:userid and dmp.status >= 0";
		TypedQuery<DMP> typedQuery = entityManager.createQuery(queryString, DMP.class);
		typedQuery.setParameter("userid", UUID.fromString(userID));
		try {
			return typedQuery.getResultList();
		}
		catch(Exception ex) { //no need to distinguish between eu.eudat.exceptions for the moment
			ex.printStackTrace();
			return null;
		}
		
	}
	

	
	
	

}