package com.nitpro.school.servlet;

import java.util.Date;
import java.util.List;

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

import com.nitpro.school.bean.Teacher;
import com.nitpro.school.model.TeacherModel;
import com.nitpro.school.util.Utils;

public class TeacherServlet extends HttpServlet{
	public void doPost(HttpServletRequest req,HttpServletResponse resp) throws ServletException, java.io.IOException{
		doIt(req, resp);
	}

	public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		doIt(req, resp);
	}
	
	
	public void doIt(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
        String method = req.getParameter("method");//通過標記參數進行分支判斷
        if("list".equals(method)){
        	list(req, resp);
        }else if("edit".equals(method)){
        	edit(req, resp);
        }else if("save".equals(method)){
        	save(req, resp);
        }
	}
	
	public void list(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		TeacherModel teacherModel = new TeacherModel();
		List<Teacher> list = teacherModel.getTeacher();
		req.setAttribute("list", list);
		RequestDispatcher rd = req.getRequestDispatcher("/emp/teacherlist.jsp");
		rd.forward(req, resp);
	}

	public void save(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	teacherId = Utils.strToInt(req.getParameter("teacherId"));
	    String name = req.getParameter("name");
	    String sex = req.getParameter("sex");
	    Date birthday = Utils.strToDate(req.getParameter("birthday"));
	    String job = req.getParameter("job");
	    String loginName = req.getParameter("loginName");
	    String pwd = req.getParameter("pwd");
	    String isLock = req.getParameter("isLock");
	    
	    Teacher teacher = new Teacher();
	    teacher.setTeacherId(teacherId);
	    teacher.setName(name);
	    teacher.setSex(sex);
	    teacher.setBirthday(birthday);
	    teacher.setJob(job);
	    teacher.setLoginName(loginName);
	    teacher.setPwd(pwd);
	    teacher.setIsLock(isLock);
	    
		TeacherModel teacherModel = new TeacherModel();
		teacherModel.saveTeacher(teacher);
	    list(req, resp);
	}

	public void edit(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	teacherId = Utils.strToInt(req.getParameter("teacherId"));
		TeacherModel teacherModel = new TeacherModel();
		Teacher teacher = teacherModel.getTeacherById(teacherId);
		req.setAttribute("teacher", teacher);
		RequestDispatcher rd = req.getRequestDispatcher("/emp/teacheredit.jsp");
		rd.forward(req, resp);
	}
}