package com.teradata.portlet;

import java.io.IOException;

import javax.portlet.PortletException;
import javax.portlet.PortletMode;
import javax.portlet.PortletSession;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.UnavailableException;

import org.apache.myfaces.portlet.MyFacesGenericPortlet;

public class MultiModePortlet extends MyFacesGenericPortlet {
	
	private String viewPage = null;
	private String editPage = null;
	private String helpPage = null;
	
	public void init() throws UnavailableException, PortletException {
		viewPage = (String) this.getInitParameter("ViewPage");
		editPage = (String) this.getInitParameter("EditPage");
		helpPage = (String) this.getInitParameter("HelpPage");
		
System.out.println("Edit page = " + editPage);
System.out.println("Help page = " + helpPage);

		super.init();
	}
	
	public void render(RenderRequest request, RenderResponse response)
			throws PortletException, IOException {

		PortletSession session = request.getPortletSession();
		PortletMode mode = (PortletMode) session
				.getAttribute("CurrentPortletMode");

		if (mode == null) {
			mode = request.getPortletMode();
		}

		if (mode != request.getPortletMode()) {
			request.setAttribute("isPortletModeChanged", Boolean.TRUE);
		} else {
			request.setAttribute("isPortletModeChanged", Boolean.FALSE);
		}
		
System.out.println("***DEBUG portlet mode = " + mode);
System.out.println("***DEBUG request = " + request.getContextPath() );
System.out.println("***DEBUG response = " + response);


		session.setAttribute("CurrentPortletMode", mode);
		super.render(request, response);
	}
	
	protected void setDefaultView() throws UnavailableException {
        this.defaultView = getPortletConfig().getInitParameter(DEFAULT_VIEW);
        if (defaultView == null) {
        	this.defaultView = this.viewPage;
        }
        if (defaultView == null) {
            String msg = "Fatal2: must specify a JSF view id as the default view in portlet.xml";
            throw new UnavailableException(msg);
        }
    }

	protected void doEdit(RenderRequest request, RenderResponse response)
			throws PortletException, IOException {

		Boolean isPortletModeChanged = (Boolean) request.getAttribute("isPortletModeChanged");
		if (isPortletModeChanged.booleanValue()) {
			//setPortletRequestFlag(request);
			nonFacesRequest(request, response, editPage);
			return;
		}

		facesRender(request, response);
	}

	protected void doHelp(RenderRequest request, RenderResponse response)
			throws PortletException, IOException {

		Boolean isPortletModeChanged = (Boolean) request.getAttribute("isPortletModeChanged");
		if (isPortletModeChanged.booleanValue()) {
			//setPortletRequestFlag(request);
			nonFacesRequest(request, response, helpPage);
			return;
		}

		facesRender(request, response);
	}
}