package fr.plil.sio.web.mvc;
  
  import javax.annotation.Resource;
  import org.springframework.stereotype.Controller;
  import org.springframework.validation.BindingResult;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.servlet.ModelAndView;
  
  @Controller
  public class NewUserController {
  
      @Resource
      private UserDao userDao;
      @Resource
      private UserSession userSession;
      @Resource
      private UserValidator userValidator;
  
      @RequestMapping(value = {"/newUser"}, method = RequestMethod.GET)
      public ModelAndView getNewUserForm() {
          return new ModelAndView("newUser", "user", new User());
      }
  
      @RequestMapping(value = {"/newUser"}, method = RequestMethod.POST)
      public String postNewUser(User user, BindingResult result) {
  
          if (!userSession.getUsername().equals("admin")) {
              result.rejectValue("username", "new.user.only.admin");
          }
  
          userValidator.validate(user, result);
  
          boolean present = (userDao.getFromUsername(user.getUsername()) != null);
  
          if (present) {
              result.rejectValue("username", "new.user.form.present");
          }
  
          if(result.hasErrors()) {
              return "newUser";
          }
  
          userDao.save(user);
  
          return "redirect:/";
      }
  
      public void setUserDao(UserDao userDao) {
          this.userDao = userDao;
      }
  
      public void setUserSession(UserSession userSession) {
          this.userSession = userSession;
      }
  
      public void setUserValidator(UserValidator userValidator) {
          this.userValidator = userValidator;
      }
  }