//go:build windows

package starssh

import (
	"os"

	"golang.org/x/sys/windows"
)

func duplicateTerminalInputFile(file *os.File) (*os.File, error) {
	if file == nil {
		return nil, os.ErrInvalid
	}

	currentProcess := windows.CurrentProcess()
	var duplicated windows.Handle
	err := windows.DuplicateHandle(
		currentProcess,
		windows.Handle(file.Fd()),
		currentProcess,
		&duplicated,
		0,
		false,
		windows.DUPLICATE_SAME_ACCESS,
	)
	if err != nil {
		return nil, err
	}

	return os.NewFile(uintptr(duplicated), file.Name()), nil
}