// Copyright (c) 2024-2026 Celestino Amoroso (celestino.amoroso@gmail.com).
// All rights reserved.

// file.go
package file

import (
	"os"

	"git.portale-stac.it/go-pkg/expr/kern"
)

type Handle interface {
	kern.Typer
	GetFile() *os.File
	GetName() string
	Valid() bool
	Close() error
}

type handleBase struct {
	fh *os.File
}

func (h *handleBase) GetFile() *os.File {
	return h.fh
}

func (h *handleBase) GetName() (name string) {
	if h.fh != nil {
		name = h.fh.Name()
	}
	return
}

func (h *handleBase) Valid() bool {
	return h.fh != nil
}

func (h *handleBase) Close() (err error) {
	if h.fh != nil {
		err = h.fh.Close()
		h.fh = nil
	}
	return
}