@@ -1,12 +1,7 @@
 package files
 
 import (
-	"fmt"
-	"hash/fnv"
-	"io"
 	"io/fs"
-	"mime"
-	"os"
 	"path/filepath"
 	"strings"
 
@@ -15,21 +10,6 @@
 	"gitlab.com/tozd/go/errors"
 )
 
-type File struct {
-	ContentType  string
-	Etag         string
-	Alternatives map[string]string
-}
-
-func (f *File) AvailableEncodings() []string {
-	encs := []string{}
-	for enc := range f.Alternatives {
-		encs = append(encs, enc)
-	}
-
-	return encs
-}
-
 type Reader struct {
 	root  string
 	log   *log.Logger
@@ -49,49 +29,13 @@
 	return r, nil
 }
 
-func hashFile(filename string) (string, error) {
-	f, err := os.Open(filename)
-	if err != nil {
-		return "", errors.WithMessagef(err, "could not open file %s for hashing", filename)
-	}
-	defer f.Close()
-	hash := fnv.New64a()
-	if _, err := io.Copy(hash, f); err != nil {
-		return "", errors.WithMessagef(err, "could not hash file %s", filename)
-	}
-
-	return fmt.Sprintf(`W/"%x"`, hash.Sum(nil)), nil
-}
-
-var encodings = map[string]string{
-	"br":   ".br",
-	"gzip": ".gz",
-}
-
-func (r *Reader) registerFile(urlpath string, fp string) error {
-	hash, err := hashFile(fp)
+func (r *Reader) registerFile(urlpath string, filepath string) error {
+	file, err := r.OpenFile(urlpath, filepath)
 	if err != nil {
-		return err
-	}
-	f := File{
-		ContentType: mime.TypeByExtension(filepath.Ext(fp)),
-		Etag:        hash,
-		Alternatives: map[string]string{
-			"identity": fp,
-		},
+		return errors.WithMessagef(err, "could not register file %s", filepath)
 	}
-	for enc, suffix := range encodings {
-		_, err := os.Stat(fp + suffix)
-		if err != nil {
-			if errors.Is(err, os.ErrNotExist) {
-				continue
-			}
 
-			return err
-		}
-		f.Alternatives[enc] = fp + suffix
-	}
-	r.files[urlpath] = &f
+	r.files[urlpath] = file
 
 	return nil
 }
@@ -101,22 +45,22 @@ err := filepath.WalkDir(r.root, func(filePath string, f fs.DirEntry, err error) error {
 		if err != nil {
 			return errors.WithMessagef(err, "failed to access path %s", filePath)
 		}
+		if f.IsDir() {
+			return nil
+		}
+
 		relPath, err := filepath.Rel(r.root, filePath)
 		if err != nil {
 			return errors.WithMessagef(err, "failed to make path relative, path: %s", filePath)
 		}
-		urlPath, _ := strings.CutSuffix("/"+relPath, "index.html")
-		if !f.IsDir() {
-			switch filepath.Ext(relPath) {
-			case ".br", ".gz":
-				return nil
-			}
-			r.log.Debug("registering file", "urlpath", urlPath)
+		urlPath := fileNameToPathName("/" + relPath)
 
-			return r.registerFile(urlPath, filePath)
+		switch filepath.Ext(relPath) {
+		case ".br", ".gz":
+			return nil
 		}
 
-		return nil
+		return r.registerFile(urlPath, filePath)
 	})
 	if err != nil {
 		return errors.WithMessage(err, "could not walk directory")