package scoreInfo;

import java.io.IOException;
import java.io.PrintWriter;

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

import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class AddUserServlet extends HttpServlet{
	
public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {
    	
    String stu_id =req.getParameter("id");
    ///stu_id未注册时输入的学生号
   
    String action = req.getParameter("action");///////之后加的注释
    //////////////////String action = action = req.getParameter("action");
    student stu = null;
    teacher tea=null;
    String userkind= req.getParameter("kind");
   System.out.println(userkind+"regregreg");
    if ("new".equalsIgnoreCase(action)) {
    if(userkind.equalsIgnoreCase("student")){
      stu = doNew(req,res);
      sendBean(req, res, stu, "/login.jsp");
    }
    else if(userkind.equalsIgnoreCase("teacher")){
    	tea = doNewTea(req,res);
    	 sendBean(req, res, stu, "/login.jsp");
    	   }
    	
    }  
    
    }
    

 public student doNew(HttpServletRequest req,HttpServletResponse res )
                           throws ServletException,IOException{
      student stu= new student();  
      //////获取注册时在表单里输入的注册信息
      String stu_id=req.getParameter("id");  ///stu_id未注册时输入的学生号
      String name=new String(req.getParameter("name").getBytes("ISO8859_1"),"GBK");
      System.out.println(name+"regreg");
      String password= req.getParameter("password");
      String dep=new String (req.getParameter("dep").getBytes("ISO8859_1"),"GBK");
      String sex = new String(req.getParameter("sex").getBytes("ISO8859_1"),"GBK");
      String jiguan =""; 
    	jiguan= new String(req.getParameter("cmbProvince").getBytes("ISO8859_1"),"GBK");
    	 String cmbcity=new String(req.getParameter("cmbCity").getBytes("ISO8859_1"),"GBK");
    	 if(cmbcity==null||cmbcity.equals("市辖区")||cmbcity=="市辖区"||cmbcity.equals("县")||cmbcity=="县"){
    		 cmbcity="";
    	 }
    	 jiguan+=cmbcity;
    	 jiguan+= new String(req.getParameter("cmbArea").getBytes("ISO8859_1"),"GBK");
     /////System.out.println(jiguan+"regreg");
      String email= new String(req.getParameter("userEmail").getBytes("ISO8859_1"),"GBK");
      String tel= new String(req.getParameter("tel").getBytes("ISO8859_1"),"GBK");
     /// System.out.println(email+"regreg");
     //// String userkind= req.getParameter("kind");
    /// System.out.println(userkind+"regreg");
      ///if(userkind.equalsIgnoreCase("student")){
      if(isTrue(req,res,stu_id,name,password) && hasLogin(req,res,stu_id)){
      
      stu.setId(stu_id);
      stu.setName(name);
      stu.setPassword(password);
      stu.setDep(dep);
      stu.setSex(sex);
      stu.setE_mail(email);
      stu.setTel(tel);
      stu.setJiguan(jiguan);
      /////把注册表单时输入的信息用数据库语句添加到数据库中
    /// stu.addStudent(); 
      //stu.addStudentagain();
      stu.addStudent1();
      }  
      return stu;                	
     	}

 public teacher doNewTea(HttpServletRequest req,HttpServletResponse res )
 throws ServletException,IOException{
teacher tea= new teacher();  
//////获取注册时在表单里输入的注册信息
String tea_id=req.getParameter("id");  ///stu_id未注册时输入的学生号
String name=new String(req.getParameter("name").getBytes("ISO8859_1"),"GBK");
System.out.println(name+"regreg");
String password= req.getParameter("password");
String dep=new String (req.getParameter("dep").getBytes("ISO8859_1"),"GBK");
String sex = new String(req.getParameter("sex").getBytes("ISO8859_1"),"GBK");
//String jiguan = new String(req.getParameter("jiguan").getBytes("ISO8859_1"));
/// System.out.println(jiguan+"regreg");
String email= new String(req.getParameter("userEmail").getBytes("ISO8859_1"),"GBK");
String tel= new String(req.getParameter("tel").getBytes("ISO8859_1"),"GBK");
String title="教授";
/// System.out.println(email+"regreg");
//// String userkind= req.getParameter("kind");
/// System.out.println(userkind+"regreg");
///if(userkind.equalsIgnoreCase("student")){
if(isTrue(req,res,tea_id,name,password) && hasLogin(req,res,tea_id)){

	tea.setId(tea_id);
	tea.setName(name);
	tea.setPassword(password);
	tea.setDep(dep);
	tea.setSex(sex);
	tea.setTel(tel);
	tea.setE_mail(email);
	tea.setTitle(title);
	
/////把注册表单时输入的信息用数据库语句添加到数据库中
/// stu.addStudent(); 
//stu.addStudentagain();
tea.addTeaEnroll();
}  
return tea;                	
}
 
 
 
public void sendBean(HttpServletRequest req, HttpServletResponse res,
                       student stu, String target)
                       throws ServletException, IOException {
    req.setAttribute("stu", stu);
    RequestDispatcher rd = getServletContext().getRequestDispatcher(target);
    rd.forward(req, res);
  }
  
  
public void doError(HttpServletRequest req,
        HttpServletResponse res,
        String str)
        throws ServletException, IOException {


req.setAttribute("problem", str);
RequestDispatcher rd = getServletContext().getRequestDispatcher("/errorpage.jsp");
rd.forward(req, res);
}



  public boolean hasLogin(HttpServletRequest req, HttpServletResponse res,String id)
  throws ServletException, IOException{
  	boolean f=true;
  	String message="对不起，该学生号已经被注册过了!";
  	student stu= new student();
  	f= stu.hasLogin(id);
  	if(f==false){
  	doError(req,res,message);	
  		}
  		return f;
  	}
  
  public boolean isTrue(HttpServletRequest req, HttpServletResponse res,
                        String id,String name,String password)
                        throws ServletException, IOException {
   boolean f=true;                     	
   String message ="";
   if(id==null || id.equals(""))  {
   	f=false;
   	message="错误，学生号不能为空！";
   	doError(req,res,message);	}
   
   if(name==null || name.equals(""))  {
   	f=false;
   	message="学生姓名不能为空，请重新填写！";
   	doError(req,res,message);	}
  	
       
   if(password==null || password.equals(""))  {
   	f=false;
   	message="密码不能为空，请重新填写！";
   	doError(req,res,message);	}  

     return f;
     
  }
  
  public void doPost(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    this.doGet(req, res);

  }
	
	
}