index.php

<?php
declare(strict_types = 1);

namespace Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl;

use Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl\CeilingFan\CeilingFan;
use Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl\CeilingFan\CeilingFanHighCommand;
use Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl\CeilingFan\CeilingFanMediumCommand;
use Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl\CeilingFan\CeilingFanOffCommand;
use Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl\Light\Light;
use Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl\Light\LightOffCommand;
use Maksi\HeadFirstDesignPattern\Command\UndoRemoteControl\Light\LightOnCommand;

require_once '../../../vendor/autoload.php';

$remoteControl = new RemoteControlWithUndo();
$livingRoomLight = new Light('Living Room');
$livingRoomLightOn = new LightOnCommand($livingRoomLight);
$livingRoomLightOff = new LightOffCommand($livingRoomLight);

$remoteControl->setCommand(0, $livingRoomLightOn, $livingRoomLightOff);

$remoteControl->onButtonWasPushed(0);
$remoteControl->offButtonWasPushed(0);
echo $remoteControl;

$remoteControl->undoButtonWasPushed();
$remoteControl->offButtonWasPushed(0);
$remoteControl->onButtonWasPushed(0);
echo $remoteControl;
$remoteControl->undoButtonWasPushed();

$ceilingFan = new CeilingFan('Living Room');

$ceilingFanMedium = new CeilingFanMediumCommand($ceilingFan);
$ceilingFanHigh = new CeilingFanHighCommand($ceilingFan);
$ceilingFanOff = new CeilingFanOffCommand($ceilingFan);

$remoteControl->setCommand(0, $ceilingFanMedium, $ceilingFanOff);
$remoteControl->setCommand(1, $ceilingFanHigh, $ceilingFanOff);

$remoteControl->onButtonWasPushed(0);
$remoteControl->offButtonWasPushed(0);
echo $remoteControl;
$remoteControl->undoButtonWasPushed();

$remoteControl->onButtonWasPushed(1);
echo $remoteControl;

$remoteControl->undoButtonWasPushed();