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package com.bestray.healthcarecommonutil.daoimpl;

import com.bestray.healthcarecommonutil.dao.RecentPatientDao;
import com.bestray.healthcarecommonutil.exception.DataAccessException;
import com.bestray.healthcarecommonutil.vo.TRecentPatient;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.hibernate.exception.ConstraintViolationException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.stereotype.Repository;

/**
 *
 * @author Anshu1
 */
@Repository
public class RecentPatientDaoImpl extends HibernateDaoSupport implements RecentPatientDao{
    
    @Autowired
    public void init(SessionFactory sessionfactory) {
        setSessionFactory(sessionfactory);
    }

    @Override
    public void saveRecentPatient(TRecentPatient patient) throws DataAccessException, ConstraintViolationException{
        try{
            int recentPatientSize = findAllRecentPatientrecords().size();
            if(recentPatientSize < 20){
                getHibernateTemplate().save(patient);
            }else{
                deleteRecentPatientByMinId();
                getHibernateTemplate().save(patient);
            }
        }catch(ConstraintViolationException e){
            throw e;
        }
        catch(Exception e){
            e.printStackTrace();
           throw new DataAccessException();
        }
    }

    @Override
    public List<TRecentPatient> getRecentPatientDetails(String patientID) throws DataAccessException {
        try{
            return getHibernateTemplate().findByNamedQuery("findRecentPatientById", patientID);
        }catch(Exception e){
            throw new DataAccessException();
        }
    }

    @Override
    public List<TRecentPatient> findAllRecentPatientrecords() throws DataAccessException {
        try{
            return getHibernateTemplate().findByNamedQuery("findAllRecentPatientrecords");
        }catch(Exception e){
            throw new DataAccessException();
        }
    }
    
    @Override
    public void deleteRecentPatientByMinId() throws DataAccessException {
        try{
            TRecentPatient patient = (TRecentPatient)getHibernateTemplate().findByNamedQuery("deleteRecentPatientByMinId").get(0);
            getHibernateTemplate().delete(patient);
        }catch(Exception e){
            throw new DataAccessException();
        }
    }

    @Override
    public void deleteRecentPatient(TRecentPatient patient) throws DataAccessException,IllegalArgumentException {
        try{
            getHibernateTemplate().delete(patient);
        }catch(IllegalArgumentException e){
            throw e;
        }catch(Exception e){
            throw new DataAccessException();
        }
    }
    
}