package joist

import (
	"fmt"
	"net/http"
)

type HandlerFn func(w http.ResponseWriter, r *http.Request) error

func (h HandlerFn) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if err := h(w, r); err != nil {
		http.Error(w, fmt.Sprintf(`An internal error has occurred: %s`, err), http.StatusInternalServerError)
		return
	}
}

func (h HandlerFn) ToHandlerFunc() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		h.ServeHTTP(w, r)
	}
}