package com.zte.exam.servlet;

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

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.zte.database.Database;

public class AdminLoginServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public AdminLoginServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
     
		String username=request.getParameter("textfield");
		String password=request.getParameter("textfield2");
		System.out.println(username+"*)&&&&&&&&"+password);
		String sql="select admname,admpass from exam_admin";
		Database db = new Database();
		ResultSet rs= db.query(sql);
		try {
			while(rs.next())
			{
			  String user_name = rs.getString("admname");
			  String pass_word = rs.getString("admpass");
			  System.out.println(user_name+"******"+pass_word);
			  if(username.equals(user_name)&&password.equals(pass_word))
			  {   
				  System.out.println(user_name+"******"+pass_word);
				  response.sendRedirect("admin/loginsuccess.jsp");
				  return;
				 
			  }else
			  {
				  continue;
			  }
			}
			if(!rs.next())
			{
				response.sendRedirect("adminlogin.jsp?flag=nouser");
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request,response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}