/* Realty-Property.com Tutorial */

package RealtyTutorial;

import io.baratine.core.*;

import javax.inject.Inject;
import java.util.ArrayList;
import java.util.Iterator;

@ResourceService("public:///RealtyUserList")
public class UserList
{
  @Inject
  @Lookup("/RealtyUserListUser")
  ResourceManager m_userman;

  /**
   * @return empty array in case of error, or if nothing found
   */
  public ArrayList<User> GetUserList()
  {
    ArrayList<User> list=new ArrayList<User>();
    try
    {
      Iterable<ServiceRef> reflist=m_userman.findAll("true");//there must be a where clause
      Iterator<ServiceRef> it=reflist.iterator();
      while (it.hasNext())
        list.add(it.next().as(User.class).get());
    }
    catch(Exception ex){ex.printStackTrace();}
    return(list);
  }

  /**
   * @param firstname String
   * @param lastname String
   * @return int id of new user, 0 or -1 if error, -2 if exception
   */
  @Modify
  public int CreaterUser(String firstname,String lastname)
  {
    int newid=-1;
    try
    {
      ServiceRef ref=m_userman.create(firstname,lastname);
      if (ref!=null)
      {
        User user=ref.as(User.class);
        newid=user.getM_id();
      }
    }
    catch(Exception ex){ex.printStackTrace();newid=-2;}
    return(newid);
  }

  /**
   * @param firstname String
   * @param lastname String
   * @return int 0 if ok, -1 if error, -2 if exception
   */
  @Modify
  public int CreaterUserAsync(String firstname,String lastname)
  {
    int ret=-1;
    try
    {
      m_userman.create(
        ref->
        {
          if (ref!=null)
          {
            //ServiceRef cast is needed to call as()
            User user=((ServiceRef)ref).as(User.class).get();
          }
        },
        firstname,lastname);
      ret=0;
    }
    catch(Exception ex){ex.printStackTrace();ret=-2;}
    return(ret);
  }

  /**
   * @param id int
   * @return null if error
   */
  public User GetUser(int id)
  {
    User user=null;
    try
    {
      ServiceRef ref=m_userman.findOne("m_id=?",id);
      if (ref!=null)
        user=ref.as(User.class).get();
    }
    catch(Exception ex){ex.printStackTrace();}
    return(user);
  }

  /*
   * @param arguser User
   * @return boolean
   */
  public boolean UpdateUser(User arguser)
  {
    boolean success=false;
    try
    {
      ServiceRef ref=m_userman.findOne("m_id=?",arguser.getM_id());
      if (ref!=null)
      {
        User user=ref.as(User.class).get();
        user.put(arguser);
        success=true;
      }
    }
    catch(Exception ex){ex.printStackTrace();}
    return(success);
  }

  /**
   * @param id int
   * @return null if error
   */
  public boolean DelUser(int id)
  {
    boolean delok=false;
    try
    {
      ServiceRef ref=m_userman.findOne("m_id=?",id);
      if (ref!=null)
      {
        ref.as(User.class).Delete();
        delok=true;
      }
    }
    catch(Exception ex){ex.printStackTrace();}
    return(delok);
  }

}