@Controller
@RequestMapping(value = "/admin")
public class ControllerAdminPompa {

    @Autowired
    PompaServiceImpl pompaService;

    /* Gestione Pompe */
    @GetMapping("/pompe")
    public String pompeList(Model model) {

        Iterable<Pompa> allPompe = pompaService.findAll();
        model.addAttribute("pompe", allPompe);

        return "/admin/visualizzaPompe";
    }

@GetMapping("/modificaPompa/{idPompa}")
    public String updatePath(@PathVariable("idPompa") int idPompa, Model model) {

        Optional<Pompa> p = pompaService.findById(idPompa);
        if (p.isPresent()) {

            model.addAttribute("pompa", p.get());
            System.out.println("get: " + p.toString());
            return "/admin/modificaPompa";

        } else {
            System.out.println("La pompa non esiste");
            return "redirect:/admin/pompe";
        }
    }

    @PostMapping(value = "/modificaPompa/{idPompa}")
    public String updatePath(@ModelAttribute("pompa") Pompa editedPompa, @PathVariable("idPompa") int idPompa,
            BindingResult result, RedirectAttributes redirectAttributes, Model model) {

        System.out.println("Post: " + editedPompa.toString() + idPompa);

        redirectAttributes.addFlashAttribute("message", "Impossibile Effettuare la modifica");
        redirectAttributes.addFlashAttribute("alertClass", "alert alert-danger");

        if (result.hasErrors()) {
            System.out.println("BindingResult : C'è stato un errore");
        }

        if (result.getSuppressedFields().length > 0) {
            System.out.println("ValidationBindingResult : "
                    + StringUtils.arrayToCommaDelimitedString(result.getSuppressedFields()));
        } else {

            Optional<Pompa> p = pompaService.findById(idPompa);

            // if (editedPompa.getId()==null) {//significa che è una modifica
            if (p.isPresent()) {
                editedPompa.setQRcode(p.get().getQRcode());
                editedPompa.setId(idPompa);
                pompaService.save(editedPompa);

                redirectAttributes.addFlashAttribute("message", "Modifica Avvenuta Con Successo");
                redirectAttributes.addFlashAttribute("alertClass", "alert alert-success");

                return "redirect:/admin/modificaPompa/" + editedPompa.getId();

            } else {
                System.out.println("pompa inesistente");
            }

        }

        return "redirect:/admin/pompe";
    }