/*
 * UsersbeanBean.java
 *
 * Created on 02 February 2007, 14:32
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */
package machinedetails2;


import machinedetails2.*;

import javax.ejb.EJBException;

import javax.ejb.Stateful;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

/**
 *
 * @author eve.pokua
 */
@Stateful
//@Stateful(name="usersb", mappedName="UsersbJNDI")
public class UsersBean implements UsersRemote {
    
    //refer to the persistence unit with a persistenceContext
    @PersistenceContext(name="MACHINEDETAILS-ejbPU")
    EntityManager em;
    /** Creates a new instance of UsersbeanBean */
    public UsersBean() {
    }

    public void createUser() {
       try{
       Usersent userent = new Usersent();     
       userent.setUserid("dsfgwer");
       userent.setFirstname("asdfasdgf");
       userent.setSurname("sdfasdfasdf");
       userent.setPassword("uqwer");
       em.persist(userent);
       //}
   } catch (Exception ex) {
             System.err.println("Caught an exception: data not inserted into db");
            throw new EJBException(ex);
        
        }
        
        
    }
    public void createUser(String userid, String firstname, String surname, String password) {
        try{
        Usersent usersent= new Usersent();
                //(userid, Firstname,Surname,Password );
            usersent.setUserid(userid);
            usersent.setFirstname(firstname);
            usersent.setSurname(surname);
            usersent.setPassword(password);
             em.persist(usersent);
        }catch(Exception ex){
            System.err.print("can not insert new user details into the DB");
             ex.printStackTrace();
        }
    
    
    }
    
  
    
    public Usersent getUserlogindet(String userid) {
        
        //Check the user id exists in the DB
        //if
        //find this user
       Usersent results=null;
        try{
        
        //Usersent results =em.find(Usersent.class, new String(userid));
        //Usersent usersent =em.find(Usersent.class, new String(Password));
          //usersent =new Usersent(
                                //usersent.getUserid(),
                                //usersent.getPassword());
            
          //results =new Usersent(
                                //results.getUserid(),
                                //results.getPassword());
       
        }catch(Exception ex){
            System.err.println("User is not allowed to use this program");
            ex.printStackTrace();
        }
        return results;
       //return usersent;
    }
   
    /**call the Usersent contructor, using the getUserlogindet
     defined in remote interface, retrive the user's details after
     login*/
  
    public Usersent getUserlogindet(String userid, String Password) {
        
        //Check the user id exists in the DB
        //if
        //find this user
      // Usersent results= null;
       //new Usersent();
       //try{
        
        Usersent usersent =em.find(Usersent.class, new String(userid));
        //Usersent usersent =em.find(Usersent.class, new String(Password));
         // usersent =new Usersent(
                               // usersent.getUserid(),
                 
                                //usersent.getPassword());
            
       
        //}catch(Exception ex){
            //System.err.println("User is not allowed to use this program");
          //ex.printStackTrace();
        //}
        return usersent;
    }
    
    public Usersent searchbyusername(String UserID){
             //Usersent  usersent=null;
             try{
             Usersent usersent=em.find(Usersent.class,new String(UserID));
             //usersent=(Usersent) em.createNamedQuery("Machinedetail2.Usersent.findMachinebyuser").setParameter("UserID" ,UserID).getSingleResult();
           return usersent;
        }catch(Exception ex){
            throw new EJBException(ex);}
        }
        

   
}