package com.fp.frontend.utility;

import java.text.MessageFormat;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIInput;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.SystemEvent;
import javax.faces.event.SystemEventListener;

import org.primefaces.context.RequestContext;

//@ListenerFor(sourceClass = HtmlInputTextarea.class, systemEventClass = PostValidateEvent.class)
public class TextAreaValidationRequired implements SystemEventListener {

	private static ResourceBundle resource_bundle = ResourceBundle
			.getBundle("controlarmas_es");
	
	private static ResourceBundle resource_bundleValidacion = ResourceBundle
			.getBundle("validation_es");

	

	@Override
	public boolean isListenerForSource(Object arg0) {
		// TODO Auto-generated method stub

		if (arg0 instanceof HtmlInputTextarea) {
			UIInput source = (UIInput) arg0;
			if (source.isValid()) {
				HtmlInputTextarea auxTextArea = ((HtmlInputTextarea) arg0);
				if (auxTextArea.getAttributes().get("required").toString()
						.equalsIgnoreCase("true"))
					return true;
			}
		}
		return false;
	}

	@Override
	public void processEvent(SystemEvent event) throws AbortProcessingException {

		// TODO Auto-generated method stub
		if (event.getSource() instanceof HtmlInputTextarea) {
			UIInput source = (UIInput) event.getSource();
			Object object = source.getAttributes().get("maxlength");
			FacesMessage message = new FacesMessage();
			message.setSeverity(FacesMessage.SEVERITY_ERROR);
			if (object != null
					&& object.toString() != ""
					&& Integer.parseInt(object.toString()) < source.getValue()
							.toString().length()) {
				source.setValid(false);
				RequestContext.getCurrentInstance().addCallbackParam("validationFailed", true);
				String mensajeValidacion = getMessagesResources(resource_bundle,
						"msg_tamanioMaximoExcedido",
						new Object[] { source.getRequiredMessage()== null?"":source.getRequiredMessage(),
								object.toString() });
				message.setSummary(mensajeValidacion);
				message.setDetail(mensajeValidacion);
				message.setSeverity(FacesMessage.SEVERITY_ERROR);
				FacesContext.getCurrentInstance().addMessage(
						source.getClientId(), message);

				return;
			}
			if (source.getValue() != null
					&& source.getValue().toString().trim().equals("")) {

				source.setValid(false);
				if (FacesContext.getCurrentInstance().getPartialViewContext()
						.isAjaxRequest()) {
					RequestContext.getCurrentInstance().addCallbackParam("validationFailed", true);
					String mensajeValidacion =null;
					mensajeValidacion = source.getRequiredMessage();
					if(mensajeValidacion==null|| mensajeValidacion.equals("")){
							mensajeValidacion = getMessagesResources(resource_bundleValidacion,
							"javax.faces.component.UIInput.REQUIRED",
							new Object[] { source.getRequiredMessage(),
									object.toString() });
							message.setSummary(mensajeValidacion);
							
							String mensajeValidacionDetalle = getMessagesResources(resource_bundleValidacion,
									"javax.faces.component.UIInput.REQUIRED_detail",
									new Object[] { source.getRequiredMessage(),
											object.toString() });
							message.setDetail(mensajeValidacionDetalle);
					}
							
					
					message.setSummary(mensajeValidacion);
					
					message.setSeverity(FacesMessage.SEVERITY_ERROR);
					FacesContext.getCurrentInstance().addMessage(
							source.getClientId(), message);
					return;

				}

			}

		}

	}

	private String getMessagesResources(ResourceBundle resourceBundle, String key, Object[] argumentos) {
		String resourceString = "";
		try {

			resourceString = resourceBundle.getString(key);

		} catch (MissingResourceException e) {
			return key;
		}
		MessageFormat format = new MessageFormat(resourceString);

		return format.format(argumentos);
	}


}