AccountController

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/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/JSP_Servlet/Servlet.java to edit this template
 */
package Controllers;

import DAOs.AccountDAO;
import Models.Account;
import java.io.IOException;
import java.io.PrintWriter;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author MSI GTX
 */
public class AccountController 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 {
        response.setContentType("text/html;charset=UTF-8");
        try ( PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet AccountController</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet AccountController at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <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 {
        String path = request.getRequestURI();
        if (path.endsWith("/AccountController/index")) {
            request.getRequestDispatcher("/index.jsp").forward(request, response);
        } else {
            if (path.endsWith("/AccountController/login")) {
                request.getRequestDispatcher("/login.jsp").forward(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 {
        AccountDAO dao = new AccountDAO();
        if (request.getParameter("submit") != null && request.getParameter("submit").equals("Create")) {
            response.sendRedirect("/AccountController/login");
        }
        // resister
        if (request.getParameter("btnsignup") != null && request.getParameter("btnsignup").equals("Sign Up")) {
            String fullname = request.getParameter("fullname");
            String emails = request.getParameter("emails");
            String address = request.getParameter("address");
            int phone = Integer.parseInt(request.getParameter("phone"));
            String password = request.getParameter("passwords");
            boolean checkEmail = dao.checkemail(emails);
            String hashedPassword = dao.encryptToMD5(password);
            // kiểm tra email có tồn tại hay chưa
            if (checkEmail) {
                response.getWriter().write("<script>alert('The email already exists in the database.');</script>");
                response.getWriter().write("<script>window.history.back();</script>");
            } else {
                Account ac = new Account(fullname, emails, address, phone, hashedPassword);
                int kq = dao.AddAccount(ac);
                if (kq == 0) {
                    response.getWriter().write("<script>alert('Registration failed.');</script>");
                    response.getWriter().write("<script>window.location.href='/AccountController/login';</script>");
                } else {
                    response.getWriter().write("<script>alert('Registration successful.');</script>");
                    response.getWriter().write("<script>window.location.href='/AccountController/index';</script>");
                }
            }
        }
        if (request.getParameter("btnlogin") != null && request.getParameter("btnlogin").equals("Login")) {
            boolean kq = false;
            try {
                String email = request.getParameter("email");
                String pass = request.getParameter("password");

                Account acc = new Account(null, email, null, 0, pass);
                kq = dao.login(acc);
                if (kq) {
                    Cookie c = new Cookie("quantri", email);
                    c.setMaxAge(3 * 60 * 60);
                    response.addCookie(c);
                    response.sendRedirect("/AccountController/index");
                } else {
                    response.sendRedirect("/AccountController/login");
                }
            } catch (SQLException ex) {
                Logger.getLogger(AccountController.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

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

}