package com.chinasofti.servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.chinasofti.enums.RoleId;
import com.chinasofti.model.User;
import com.chinasofti.service.UserService;
import com.chinasofti.service.impl.UserServiceImpl;

import net.sf.json.JSONArray;

@WebServlet("/UserServlet")
public class UserServlet extends HttpServlet {
	
	private static final long serialVersionUID = 1L;
	
	private UserService userService = new UserServiceImpl();
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response){
		doPost(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response){
		String method = request.getParameter("method");
		if("GetUserForClazz".equals(method)){
			getUserForClazz(request,response);
		}
	}
	
	private void getUserForClazz(HttpServletRequest request,HttpServletResponse response){
		User user = new User();
		user.setRoleId(RoleId.TEACHER.getId());
		List<User> users = userService.findUsers(user);
		try {
			response.getWriter().write(JSONArray.fromObject(users).toString());
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}