<?php

namespace Swissup\Firecheckout\Observer;

use \Magento\Framework\App\State as AppState;

class AddJsBundles implements \Magento\Framework\Event\ObserverInterface
{
/**
* @var \Magento\Framework\View\Page\Config
*/
private $pageConfig;

/**
* @var \Swissup\Firecheckout\Helper\Data
*/
private $helper;

/**
* @var \Swissup\Firecheckout\Helper\Config\JsBuild
*/
private $jsBuildHelper;

/**
* @var \Swissup\Firecheckout\Model\RequireJs\JsBuildFactory
*/
private $jsBuildFactory;

/**
* @var \Magento\Framework\View\Asset\ConfigInterface
*/
private $bundleConfig;

/**
* @var \Magento\Framework\App\State
*/
private $appState;

/**
* @param \Magento\Framework\View\Page\Config $pageConfig
* @param \Swissup\Firecheckout\Helper\Data $helper
* @param \Swissup\Firecheckout\Helper\Config\JsBuild $jsBuildHelper
* @param \Swissup\Firecheckout\Model\RequireJs\JsBuildFactory $jsBuildFactory
* @param \Magento\Framework\View\Asset\ConfigInterface $bundleConfig
* @param \Magento\Framework\App\State $appState
*/
public function __construct(
\Magento\Framework\View\Page\Config $pageConfig,
\Swissup\Firecheckout\Helper\Data $helper,
\Swissup\Firecheckout\Helper\Config\JsBuild $jsBuildHelper,
\Swissup\Firecheckout\Model\RequireJs\JsBuildFactory $jsBuildFactory,
\Magento\Framework\View\Asset\ConfigInterface $bundleConfig,
\Magento\Framework\App\State $appState
) {
$this->pageConfig = $pageConfig;
$this->helper = $helper;
$this->jsBuildHelper = $jsBuildHelper;
$this->jsBuildFactory = $jsBuildFactory;
$this->bundleConfig = $bundleConfig;
$this->appState = $appState;
}

/**
* @param \Magento\Framework\Event\Observer $observer
* @return void
*/
public function execute(\Magento\Framework\Event\Observer $observer)
{
if (!$this->jsBuildHelper->isEnabled() || !$this->helper->isOnFirecheckoutPage()) {
return;
}

if ($this->isProduction() && $this->bundleConfig->isBundlingJsFiles()) {
return;
}

$includePaths = $this->jsBuildHelper->getIncludePaths();
if (!$includePaths) {
return;
}

$jsbuilds = [
'all' => $includePaths,
];

$assets = $this->pageConfig->getAssetCollection();
$build = false;
$after = \Magento\Framework\RequireJs\Config::REQUIRE_JS_FILE_NAME;
foreach ($jsbuilds as $name => $paths) {
$build = $this->createJsBuild($name, $paths);
$asset = $build->getAsset();
$assets->insert($asset->getFilePath(), $asset, $after);
$after = $asset->getFilePath();
}

if ($build) {
$asset = $build->createStaticJsAsset();
$assets->insert($asset->getFilePath(), $asset, $after);
}
}

private function createJsBuild($name, $paths)
{
return $this->jsBuildFactory->create([
'name' => $name,
'paths' => $paths,
])
->publishIfNotExist();
}

private function isProduction()
{
return $this->appState->getMode() === AppState::MODE_PRODUCTION;
}
}