package handlers

import (
	"context"
	"net/http"
	"time"

	"github.com/ory/hydra-client-go/client/admin"
	log "github.com/sirupsen/logrus"
)

type logoutHandler struct {
	adminClient *admin.Client
	logger      *log.Logger
}

func (h *logoutHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	challenge := r.URL.Query().Get("logout_challenge")
	h.logger.Debugf("received challenge %s\n", challenge)

	logoutRequest, err := h.adminClient.GetLogoutRequest(
		admin.NewGetLogoutRequestParams().WithLogoutChallenge(challenge).WithTimeout(time.Second * 10))
	if err != nil {
		h.logger.Errorf("error getting logout requests: %v", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	h.logger.Debugf("received logout request: %#v", logoutRequest.Payload)

	acceptLogoutRequest, err := h.adminClient.AcceptLogoutRequest(
		admin.NewAcceptLogoutRequestParams().WithLogoutChallenge(challenge))
	if err != nil {
		h.logger.Errorf("error accepting logout: %v", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
	}

	w.Header().Set("Location", *acceptLogoutRequest.GetPayload().RedirectTo)
	w.WriteHeader(http.StatusFound)
}

func NewLogoutHandler(logger *log.Logger, ctx context.Context) *logoutHandler {
	return &logoutHandler{
		logger:      logger,
		adminClient: ctx.Value(CtxAdminClient).(*admin.Client),
	}
}

type logoutSuccessHandler struct {
}

func (l *logoutSuccessHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	panic("implement me")
}

func NewLogoutSuccessHandler() *logoutSuccessHandler {
	return &logoutSuccessHandler{}
}