<?php

namespace Swissup\Firecheckout\Observer;

class PrepareLayout implements \Magento\Framework\Event\ObserverInterface
{
/**
* @var \Swissup\Firecheckout\Helper\Data
*/
protected $helper;

/**
*/
public function __construct(
\Swissup\Firecheckout\Helper\Data $helper
) {
$this->helper = $helper;
}

/**
* Add FontAwesome assets according to module config
*
* @param \Magento\Framework\Event\Observer $observer
* @return void
*/
public function execute(\Magento\Framework\Event\Observer $observer)
{
if (!$this->helper->isOnFirecheckoutPage()) {
return;
}

switch ($this->helper->getPageLayout()) {
case 'full':
$handle = 'firecheckout_layout_full';
break;
case 'minimal':
$handle = 'firecheckout_layout_minimal';
break;
case 'empty':
$handle = 'firecheckout_layout_empty';
break;
case 'default';
return;
default:
return;
}

$observer->getLayout()->getUpdate()->addHandle($handle);
}
}