package uni.fmi.masters;

import java.io.IOException;
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 uni.fmi.masters.entities.UserBean;
import uni.fmi.masters.repo.JPAUserRepository;

/**
 * Servlet implementation class WeatherJPAServlet
 */
@WebServlet("/WeatherJPAServlet")
public class WeatherJPAServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public WeatherJPAServlet() {
        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
		response.getWriter().append("Served at: ").append(request.getContextPath());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		JPAUserRepository repo = new JPAUserRepository();
		String page = request.getParameter("page");
		String redirectTo = "";
		UserBean user = null;
		switch (page) {
			case "login":
				String username = request.getParameter("username");
				String pass = request.getParameter("password");
				user = repo.findUser(username, pass);
				if (user != null) {
					redirectTo = "home.jsp";
				}
				else {
					redirectTo = "index.jsp";
				}
				break;
			case "register":
				String email = request.getParameter("register-email");
				user = new UserBean(request.getParameter("register-user"), request.getParameter("register-pass"));
				user.setEmail(email);
				if (repo.insertUser(user)) {
					redirectTo = "home.jsp";
				}
				else {
					redirectTo = "error.jsp";
				}
				break;

			default:
				redirectTo = "index.jsp";
				break;
		}
		response.sendRedirect(redirectTo);
	}

}