package handler

import (
	"git.haelnorr.com/h/golib/hws"
	"net/http"

	"git.haelnorr.com/h/golib/hlog"
)

// Handles requests for static files, without allowing access to the
// directory viewer and returning 404 if an exact file is not found
func StaticFS(staticFS *http.FileSystem, logger *hlog.Logger) http.Handler {
	return http.HandlerFunc(
		func(w http.ResponseWriter, r *http.Request) {
			fs, err := hws.SafeFileServer(staticFS)
			if err != nil {
				w.WriteHeader(http.StatusInternalServerError)
				logger.Error().Err(err).Msg("Failed to load file system")
				return
			}
			fs.ServeHTTP(w, r)
		},
	)
}