package com.zhn.controller;

import java.util.List;

import javax.annotation.Resource;
import javax.security.sasl.SaslException;
import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.zhn.pojo.User;
import com.zhn.service.UserService;
import com.zhn.utils.JsonResult;



@Controller
@RequestMapping("/user")
public class UserController {
	
	@Resource
	private UserService userServiceImpl;
	
	private User currentuser;//当前用户
	
	
	//ajax回调函数返回登录页面
	 @RequestMapping("/indexUI")
     public String indexUI(){
			 return "show";
     }
	 
	 //跳转更新页面
	 @RequestMapping("/toupdata")
	 public String updta(){
		 return "updata";
     }
	 //跳转添加页面
	 @RequestMapping("/toadd")
	 public String toadd(){
		 return "add";
	 }
	 //权限管理跳转到登录页面
	 @RequestMapping("/tologin")
	 public String toLogin(){
		 return "login";
	 }
	 
	 
	 //查询总用户数
	 @RequestMapping("/selectPage")
	 @ResponseBody
	 public JsonResult selectPage(){

		
		 Integer page=new Integer(userServiceImpl.selectPage());
		 return new JsonResult(page);
	 }
	 
	 //查询用户名字总数
	 @RequestMapping("selectAllName")
	 @ResponseBody
	 public JsonResult selectAllName(){
		 List<String> allName=userServiceImpl.selectAllName();
		 
		 return new JsonResult(allName);
	 }
	 
	 //根据名字寻找用户
	 
	 @RequestMapping("/selectByName")
	 @ResponseBody
	 public JsonResult selectByName(String name){
		 List<User> user=userServiceImpl.selectByName(name);
		 return new JsonResult(user);
	 }
	 
	 
	 //添加用户
	 @RequestMapping(value="/addUser",method=RequestMethod.GET) 
	 @ResponseBody
	   public JsonResult  addUser(User user){
		 System.out.println(user.getName());

       if(user.getName()!=""&&user.getPassword()!=""){
	        	userServiceImpl.saveUser(user);
       }
	        
         return new JsonResult("OK");
	    }
	 
	 
	 //保存修改数据
	 @RequestMapping(value = "/updateUser", method=RequestMethod.GET)
	 @ResponseBody
	 public   JsonResult UpdateUser( User user){
 System.out.println(user.getPassword());
		   userServiceImpl.updateUser(user);
		  
		   return new JsonResult("OK");
	  }
	 //根据Id寻找用户
	 @RequestMapping("/getUser")  
	 @ResponseBody
	    public JsonResult getUser(int id){
		 currentuser=userServiceImpl.findById(id);
	       return new JsonResult(currentuser);
	       
	    }
	 //删除用户
	 @RequestMapping("/deleteUser")
	 public String deleteUser(int id){
		 userServiceImpl.deleteUser(id);
		 return "redirect:/user/indexUI.action";
	 }
	 
	 //加载页面用户	
	 @RequestMapping("/list")
	 @ResponseBody
	   public JsonResult userList(Model model,int pageStart,int pageEnd){
		 List<User> userList=null;
		 if(currentuser!=null){
	        userList = userServiceImpl.selectByList(pageStart,pageEnd);
	        return new JsonResult(userList);
		 }else
	        return new JsonResult(userList);
	    }
	
	@RequestMapping(value="/login", method=RequestMethod.POST)
	@ResponseBody
	public JsonResult login(String name, String password) {
		
        currentuser = userServiceImpl.findByUsername(name);
        if (currentuser == null || !password.equals(currentuser.getPassword())) {
            return new JsonResult(new SaslException("用户不存在"));
        } else {
            return new JsonResult("login ok");
        }
    }
	
}