package app.tasks;

import java.io.IOException;

import javax.persistence.EntityManager;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import app.util.HibernateUtil;
import lab.model.Zadanie;

/**
 * Servlet implementation class TaskEdit
 */
@WebServlet("/TaskEdit")
public class TaskEdit extends HttpServlet {
	private static final long serialVersionUID = 1L;
	public static final String PAGE_ENCODNIG = "UTF-8";
	private static final String CONTENT_TYPE = "text/html;charset=UTF-8";

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public TaskEdit() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		processQuest(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

	protected void processQuest(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding(PAGE_ENCODNIG);
		Boolean isPost = request.getMethod().equals("POST");
		String zadanieIdStr = request.getParameter("x_zadanie_id");
		Integer zadanie_id = zadanieIdStr != null ? Integer.valueOf(zadanieIdStr.trim()) : null;
		EntityManager em = null;
		try {
			em = HibernateUtil.getInstance().createEntityManager();
			if (zadanie_id != null) {
				Zadanie zadanie = em.find(Zadanie.class, zadanie_id);
				request.setAttribute("zadanie", zadanie);
			}
			ServletContext context = getServletContext();
			RequestDispatcher dispatcher = context.getRequestDispatcher("/Edit");
			dispatcher.forward(request, response);
		} finally {
			if (em != null)
				em.close();
		}

	}

}