package dashboard

import (
	"fmt"
	"net/http"
)

type validatorsPageData struct {
	PageData
	Items []validatorDTO
}

func (s *Server) handleValidatorsPage(w http.ResponseWriter, r *http.Request) {
	items, err := s.CA.ListValidators(r.Context())
	data := validatorsPageData{Items: items}
	data.ActiveNav = "validators"
	data.Banner = bannerFor(err)
	s.renderPage(w, r, "validators_page", data)
}

func (s *Server) renderValidatorsTable(w http.ResponseWriter, r *http.Request, actionErr error) {
	items, listErr := s.CA.ListValidators(r.Context())
	if actionErr == nil {
		actionErr = listErr
	}
	s.renderFragment(w, "validators_table", validatorsPageData{Items: items}, actionErr)
}

func (s *Server) handleValidatorCreate(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
		s.renderValidatorsTable(w, r, fmt.Errorf("invalid form: %w", err))
		return
	}
	id := r.PostFormValue("validator_id")
	osPortID := r.PostFormValue("os_port_id")
	if id == "" {
		s.renderValidatorsTable(w, r, &apiErr{Status: http.StatusBadRequest, Message: "validator_id обязателен"})
		return
	}
	err := s.CA.CreateValidator(r.Context(), id, osPortID)
	s.renderValidatorsTable(w, r, err)
}

func (s *Server) handleValidatorUpdate(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	if err := r.ParseForm(); err != nil {
		s.renderValidatorsTable(w, r, fmt.Errorf("invalid form: %w", err))
		return
	}
	err := s.CA.UpdateValidator(r.Context(), id, r.PostFormValue("os_port_id"))
	s.renderValidatorsTable(w, r, err)
}

func (s *Server) handleValidatorDelete(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	err := s.CA.DeleteValidator(r.Context(), id)
	s.renderValidatorsTable(w, r, err)
}