//go:build linux || freebsd
// +build linux freebsd

package compression

import (
	"compress/zlib"
	"io"
)

type zlibDecompressor struct{ *BaseDecompressor }

func NewZlibDecompressor() *zlibDecompressor {
	return &zlibDecompressor{NewBaseDecompressor("zlib", []string{"deflate"}, []string{".zlib", ".zz"})}
}

// ✅ Oprava: returns (io.Reader, error)
func (z *zlibDecompressor) Reader(r io.Reader) (io.ReadCloser, error) {
	return zlib.NewReader(r)
}

type zlibCompressor struct{ name string }

func NewZlibCompressor() *zlibCompressor { return &zlibCompressor{name: "zlib"} }
func (z *zlibCompressor) Name() string   { return z.name }
func (z *zlibCompressor) Writer(w io.Writer) (io.WriteCloser, error) {
	return zlib.NewWriter(w), nil
}

func init() { Register(NewZlibDecompressor()) }