package enc

import (
	"bytes"
	"io"
	"os"

	"surdeus.su/core/cli/mtool"
)

type EncodeOptions struct {
}

func NewEncodeTool(
	name string,
	encFn func(io.Writer) io.Writer,
) *mtool.Tool {
	ret := mtool.T(name).Func(func(flags *mtool.Flags) {
		args := flags.Parse()
		var (
			input  io.Reader
			output io.Writer
		)

		input = os.Stdin
		output = os.Stdout

		if len(args) > 0 {
			var buf bytes.Buffer
			input = &buf
			for _, arg := range args {
				buf.Write([]byte(arg))
			}
		} else {
			input = os.Stdin
		}

		encOutput := encFn(output)
		io.Copy(encOutput, input)
	})

	return ret
}