package fr.plil.sio.web.mvc;
  

  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;
  

  import javax.annotation.Resource;
  

  @Controller

  @RequestMapping(value = "/login")

  public class LoginController {
  
      @Resource

      private UserRepository userRepository;

      
      @Resource
      private UserSession userSession;
  

      @RequestMapping(method = RequestMethod.GET)

      public ModelAndView getLoginForm() {
          return new ModelAndView("login", "user", new User());
      }
  

      @RequestMapping(method = RequestMethod.POST)

      public String postLoginCheck(User user, BindingResult result) {
  

          User userFromRepository = userRepository.findByUsername(user.getUsername());

          if (userFromRepository == null) {

              result.rejectValue("username","login.form.invalid");
              return "login";
          }
  

          if (!userFromRepository.getPassword().equals(user.getPassword())) {

              result.rejectValue("username","login.form.invalid");
              return "login";            
          }

  
          userSession.setUsername(userFromRepository.getUsername());

  
          return "redirect:/";
      }
  

      public void setUserRepository(UserRepository userRepository) {
          this.userRepository = userRepository;

      }
  
      public void setUserSession(UserSession userSession) {
          this.userSession = userSession;
      }
  }