// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.

// +build windows

package osutil

import "syscall"

func HideFile(path string) error {
	p, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return err
	}

	attrs, err := syscall.GetFileAttributes(p)
	if err != nil {
		return err
	}

	attrs |= syscall.FILE_ATTRIBUTE_HIDDEN
	return syscall.SetFileAttributes(p, attrs)
}

func ShowFile(path string) error {
	p, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return err
	}

	attrs, err := syscall.GetFileAttributes(p)
	if err != nil {
		return err
	}

	attrs &^= syscall.FILE_ATTRIBUTE_HIDDEN
	return syscall.SetFileAttributes(p, attrs)
}

func HideConsole() {
	getConsoleWindow := syscall.NewLazyDLL("kernel32.dll").NewProc("GetConsoleWindow")
	showWindow := syscall.NewLazyDLL("user32.dll").NewProc("ShowWindow")
	if getConsoleWindow.Find() == nil && showWindow.Find() == nil {
		hwnd, _, _ := getConsoleWindow.Call()
		if hwnd != 0 {
			showWindow.Call(hwnd, 0)
		}
	}
}