package archive

import (
	"archive/zip"
	"errors"
	"io"
)

func WalkZipFile(filePath string, fn func(name string, r io.Reader) error) (err error) {
	zf, err := zip.OpenReader(filePath)
	if err != nil {
		return err
	}

	defer func() {
		err = errors.Join(err, zf.Close())
	}()

	for _, f := range zf.File {
		if fr, err := f.Open(); err != nil {
			return err
		} else {
			if err := fn(f.Name, fr); err != nil {
				return errors.Join(err, fr.Close())
			}

			if err := fr.Close(); err != nil {
				return err
			}
		}
	}
	return nil
}