package org.jboss.as.test.integration.jpa.hibernate.envers;

import java.util.List;
import java.util.Map;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;

import org.hibernate.envers.AuditReader;
import org.hibernate.envers.AuditReaderFactory;

/**
 * @author Madhumita Sadhukhan
 */
@Stateless
public class SLSBValidityStrategyOrg {

    @PersistenceContext(unitName = "myValidOrg")
    EntityManager em;

    public Organization createOrg(String name, String type, String startDate, String endDate, String location) {

        Organization org = new Organization();
        org.setName(name);
        org.setType(type);
        org.setStartDate(startDate);
        org.setEndDate(endDate);
        org.setLocation(location);
        em.persist(org);
        return org;
    }

    public Organization updateOrg(Organization o) {
        return em.merge(o);
    }

    public void deleteOrg(Organization o) {
        em.remove(em.merge(o));
    }

    public List<Map<String, Object>> verifyEndRevision(Integer id) {

        AuditReader reader = AuditReaderFactory.get(em);
        boolean b;
        String queryString = "select a from " + Organization.class.getName() + "_AUD a where a.originalId.id=:id";
        Query query = em.createQuery(queryString);
        query.setParameter("id", id);
        List<Map<String, Object>> orgHistory = query.getResultList();

        return orgHistory;
    }

    public Organization retrieveOldOrgbyId(int id) {

        AuditReader reader = AuditReaderFactory.get(em);
        Organization org1_rev = reader.find(Organization.class, id, 2);
        return org1_rev;
    }

}