package be.mct.actions;

import be.mct.entities.BeerLover;
import java.util.Map;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.faces.application.FacesMessage;
import javax.faces.component.ContextCallback;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;

public class LoginAction {

    @PersistenceContext
    private EntityManager em;
    private BeerLover user;
    private Map<String, Object> context;

    public String execute() {
        String qry = "SELECT u FROM BeerLover u" +
                " WHERE u.name = :name AND u.password =:password";
        try {
            BeerLover identity = (BeerLover) em.createQuery(qry).setParameter("name", user.getName()).setParameter("password", user.getPassword()).getSingleResult();
                context.put("identity", identity);
                return "yours";

        } catch (Exception ex) {
            FacesContext fCtx = FacesContext.getCurrentInstance();
            fCtx.getViewRoot().invokeOnComponent(fCtx, "errorLogin",
                    new ContextCallback() {

                        public void invokeContextCallback(FacesContext context, UIComponent component) {
                            String clientId = component.getClientId(context);
                            FacesMessage msg = new FacesMessage();
                            msg.setDetail("Foute inloggegevens!");
                            FacesContext.getCurrentInstance().addMessage(clientId, msg);
                        }
                    });
            return "login";
        }
    }

    public BeerLover getUser() {
        return user;
    }

    public void setUser(BeerLover user) {
        this.user = user;
    }

    public Map<String, Object> getContext() {
        return context;
    }

    public void setContext(Map<String, Object> context) {
        this.context = context;
    }
}