/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Controller;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author 454222
 */
public class DownloadPacsReport extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session=request.getSession(false);
       // String date = request.getParameter("datepicker");
        //String directoryName = date.split("/")[0] + date.split("/")[1] + date.split("/")[2];
        String directoryName = date.split("/")[2] + date.split("/")[1] + date.split("/")[0];
        String filePath = getServletContext().getInitParameter("pacs-report") + File.separator + session.getAttribute("pacsId").toString() + File.separator + directoryName;
        try {
            File folder = new File(filePath);
            File[] listOfFiles = folder.listFiles();
            ArrayList<String> alFileName = new ArrayList<String>();
            for (int i = 0; i < listOfFiles.length; i++) {
                if (listOfFiles[i].isFile()) {
                    alFileName.add(listOfFiles[i].getName());
                } else if (listOfFiles[i].isDirectory()) {
                    //System.out.println("Directory " + listOfFiles[i].getName());
                }
            }
            if (alFileName.size() == 0) {
                request.setAttribute("error", "No Report for Date : " + date);
            } else {
                request.setAttribute("alFileName", alFileName);
            }
        } catch (Exception ex) {
            request.setAttribute("error", "No Report for Date : " + date);
        } finally {
            request.setAttribute("datepicker", date);
            request.getRequestDispatcher("PACS_REPORT.jsp").forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
