package control;

import java.util.List;

import javax.annotation.Resource;
import javax.persistence.EntityTransaction;
import javax.validation.Valid;

import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
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 bean.User;

@Controller
public class UserControl {


    //List<User> lUsers = new ArrayList<User>();

    @Resource
    Dao dao;

    @RequestMapping(value="/enregistrerUser",method=RequestMethod.GET)
    public String showForm(){
        return "enregistrerUser";
    }
    @RequestMapping(value="/user",method=RequestMethod.GET)
    public String showFormUser(){
        return "user";
    }

//  @RequestMapping(value="/validerUser",method=RequestMethod.POST
//          )
//  public @ResponseBody Resultat validerUser(@ModelAttribute(value="User") @Valid User User, BindingResult bres ){
//      System.out.println("validerUser");
//      Resultat res = valider(User,bres);
//      return res;
//  }

    @RequestMapping(value="/enregistrerUser",method=RequestMethod.POST)
    public @ResponseBody Resultat enregistrerUser(
            @RequestBody @Valid User user, BindingResult bres) {
        System.out.println("enregistrerUser nom = "+user.getName());
        Resultat res = convertBindingResult(bres);

        User u = new User();
        u.setId(user.getId());
        u.setName(user.getName());
        u.setMail(user.getMail());
        u.setPasswd(user.getPasswd());
        if(res.getRes().equals("SUCCESS")) {
            dao.open();
            dao.saveUser(u);
            dao.close();
        }
        return res;
    }

    @RequestMapping(value="/updateUser",method=RequestMethod.POST)
    public @ResponseBody Resultat updateUser(
            @RequestBody @Valid User user, BindingResult bres) {
        Resultat res = convertBindingResult(bres);

        User u = new User();
        u.setId(user.getId());
        u.setName(user.getName());
        u.setMail(user.getMail());
        u.setPasswd(user.getPasswd());
        u.setDelivery(user.getDelivery());
        u.setInvoice(user.getInvoice());
        if(res.getRes().equals("SUCCESS")) {
            dao.open();
            EntityTransaction tx = dao.em.getTransaction();
            tx.begin();
            u = dao.em.merge(u);
            tx.commit();
            dao.close();
        }
        return res;
    }


    @RequestMapping(value="/getUser", method=RequestMethod.GET)
    public @ResponseBody User user(@RequestParam("mail") String mail) {
        System.out.println("mail de l'utilisateur : " + mail);
        dao.open();
        User u = dao.getUserByMail(mail);
        dao.close();
        if (u != null)
            System.out.println(u.toString());
        return u;
    }


    @RequestMapping(value="/listUsers",method=RequestMethod.GET)
    public @ResponseBody List<?> listUsers() {
        System.out.println("listUsers");
        dao.open();
        List<?> l=dao.listUsers();
        dao.close();
        return l;
    }

    public Resultat convertBindingResult(BindingResult bres) {
        Resultat res = new Resultat();
        if(!bres.hasErrors()){
            res.setRes("SUCCESS");
        }else{
            res.setRes("FAIL");
        }


        for (FieldError fe : bres.getFieldErrors()) {
            System.out.println(fe.getField()+" "+fe.getDefaultMessage());
            res.getErr().put(fe.getField(), fe.getDefaultMessage());
        }

        return res;

    }

}