package hwsauth

import (
	"net/http"
	"time"
)

// Checks if the model is set in the context and shows 401 page if not logged in
func (auth *Authenticator[T]) LoginReq(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		model := getAuthorizedModel[T](r.Context())
		if model == nil {
			auth.errorPage(http.StatusUnauthorized, w, r)
			return
		}
		next.ServeHTTP(w, r)
	})
}

// Checks if the model is set in the context and redirects them to the landing page if
// they are logged in
func (auth *Authenticator[T]) LogoutReq(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		model := getAuthorizedModel[T](r.Context())
		if model != nil {
			http.Redirect(w, r, auth.LandingPage, http.StatusFound)
			return
		}
		next.ServeHTTP(w, r)
	})
}

func (auth *Authenticator[T]) FreshReq(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		model := getAuthorizedModel[T](r.Context())
		isFresh := time.Now().Before(time.Unix(model.fresh, 0))
		if !isFresh {
			w.WriteHeader(444)
			return
		}
		next.ServeHTTP(w, r)
	})
}