package controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;

import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletConfig;
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 javax.servlet.http.HttpSession;
import ko.stage.KCompte;

import ko.stage.KDroit;
import net.ko.framework.Ko;
import net.ko.framework.KoHttp;
import net.ko.kobject.KListObject;
import net.ko.kobject.KSession;
import net.ko.ksql.KDBMysql;

/**
 * Servlet implementation class NetController
 */
@WebServlet("*.do")
public class NetController extends HttpServlet {

    private static final long serialVersionUID = 1L;
    KSession ks;
    private static String host = "localhost";
    private static String login = "root";
    private static String mdp = "lall";
    private static String bdd = "stage";

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

    /**
     * @see Servlet#init(ServletConfig)
     */
    @Override
    public void init(ServletConfig config) throws ServletException {

        Ko.ConstraintsDepth = 2;


    }

    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) {
        try {
            processAction(request, response);
        } catch (Throwable ex) {
            Logger.getLogger(NetController.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Gère le module Données de Structure
     * @param request
     * @param response
     * @throws Throwable
     */
    private void goDonStruc(HttpServletRequest request, HttpServletResponse response) throws Throwable {
        request.setAttribute("vue", "ds/donStruc.jsp");
        if (request.getParameter("onglet") != null) {
            switch (Integer.parseInt(request.getParameter("onglet"))) {
                case 1:
                    request.setAttribute("chemin", "etudiant.jsp");

                    break;
                case 2:
                    request.setAttribute("chemin", "promotion.jsp");

                    break;
                case 3:
                    request.setAttribute("chemin", "typedecompte.jsp");
                    break;
                case 4:
                    request.setAttribute("chemin", "entreprise.jsp");
            }

        }
        forwardView("index.jsp", request, response);
    }

    private void goGestDroits(HttpServletRequest request, HttpServletResponse response) throws Throwable {
        request.setAttribute("vue", "droits/gestDroits.jsp");
        if(request.getParameter("onglet")!= null){

            switch(Integer.parseInt(request.getParameter("onglet"))){
                case 1:
                    request.setAttribute("chemin","compte.jsp" );
                    break;
                case 2:
                    request.setAttribute("chemin", "droit.jsp");
                    break;
                case 3:
                    request.setAttribute("chemin", "module.jsp");
                    break;

            }
        }
        forwardView("index.jsp", request, response);
    }

    private void goGestStageEtu(HttpServletRequest request, HttpServletResponse response) throws Throwable {
        request.setAttribute("vue", "stageEtudiant/gestStageEtu.jsp");
        if(request.getParameter("onglet")!= null){

            switch(Integer.parseInt(request.getParameter("onglet"))){
                case 1:
                    request.setAttribute("chemin","entreprise.jsp" );
                    break;
                case 2:
                    request.setAttribute("chemin", "stageEtudiant.jsp");
                    break;
            }
        }
        forwardView("index.jsp", request, response);
    }

    private void goGestProspection(HttpServletRequest request, HttpServletResponse response) throws Throwable {
        request.setAttribute("vue", "prospections/gestPro.jsp");
        if(request.getParameter("onglet")!= null){

            switch(Integer.parseInt(request.getParameter("onglet"))){
                case 1:
                    request.setAttribute("chemin","entreprise.jsp" );
                    break;
                case 2:
                    request.setAttribute("chemin", "prospection.jsp");
                    break;
            }
        }
        forwardView("index.jsp", request, response);
    }
    private void goGestStage(HttpServletRequest request, HttpServletResponse response) throws Throwable {
        request.setAttribute("vue", "stages/gestStages.jsp");
        if(request.getParameter("onglet")!= null){

            switch(Integer.parseInt(request.getParameter("onglet"))){
                case 1:
                    request.setAttribute("chemin","periode.jsp" );
                    break;
                case 2:
                    request.setAttribute("chemin", "stage.jsp");
                    break;

            }
        }
        forwardView("index.jsp", request, response);
    }

    private void processAction(HttpServletRequest request, HttpServletResponse response) throws Throwable {
        String action = request.getServletPath();
        if (action.equalsIgnoreCase(("/login.do"))) {
            doLogin(request, response);
        }
        if (action.equalsIgnoreCase("/quitter.do")) {
            request.setAttribute("message", "Au revoir " + request.getSession().getAttribute("user"));
            request.getSession().removeAttribute("user");
            forwardView("vue2.jsp", request, response);
        }
        if (action.equalsIgnoreCase("/donStruc.go")) {
            goDonStruc(request, response);
        }

        if (action.equalsIgnoreCase("/gestDroits.go")) {
            goGestDroits(request, response);
        }

        if (action.equalsIgnoreCase("/gestStagesEtu.go")) {
            goGestStageEtu(request, response);
        }

        if (action.equalsIgnoreCase("/gestStages.go")) {
            goGestStage(request, response);
        }

        if (action.equalsIgnoreCase("/gestProspections.go")) {
            goGestProspection(request, response);
        }

        else {
            request.setAttribute("vue", "default.jsp");
            forwardView("index.jsp", request, response);


        }
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    }

    private boolean beforeRequest(HttpServletRequest request, HttpServletResponse response) throws SQLException {
        HttpSession session = request.getSession();
        if (request.getMethod().equalsIgnoreCase("post")) {
            if (request.getParameter("login") != null) {
            }
        }
        return session.getAttribute("login") != null;
    }

    private void doLogin(HttpServletRequest request, HttpServletResponse response) throws Throwable {
        connection(request.getParameter("login"), request.getParameter("pass"), request);
        forwardView("index.jsp", request, response);
    }

    private void forwardView(String viewName, HttpServletRequest request, HttpServletResponse response) throws Throwable {
        if (viewName.endsWith(".jsp")) {
            request.getRequestDispatcher(viewName).forward(request,
                    response);
        } else {
            throw new IllegalStateException("impossible d'afficher la vue: " + viewName);
        }
    }

    private boolean connection(String login, String pass, HttpServletRequest request) throws SQLException {
        try {
            KCompte user = new KCompte();
            user.loadOne(KoHttp.kdatabase(), "login='" + login + "' AND password='" + pass + "'");
            HttpSession session = request.getSession();
            session.setAttribute("login", user.getLogin());
            session.setAttribute("type", user.getTypecompte().getLibelle());
            session.setAttribute("droit", user.getTypecompte().getDroits());

            return true;
        } catch (InstantiationException ex) {
            Logger.getLogger(NetController.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            Logger.getLogger(NetController.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(NetController.class.getName()).log(Level.SEVERE, null, ex);
        }
        return false;
    }

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

    public static boolean verifPerm(String url, HttpSession session) {
        KListObject<KDroit> droit = (KListObject<KDroit>) session.getAttribute("droit");
        for (KDroit right : droit) {
            if (url.equalsIgnoreCase(right.getModule().getUrl()));
            return true;
        }
        return false;
    }
}