<?php
/**
* @author Amasty Team
* @copyright Copyright (c) 2022 Amasty (https://www.amasty.com)
* @package Magento 2 Base Package
*/

namespace Amasty\Base\Model\LessToCss\Config;

class Converter implements \Magento\Framework\Config\ConverterInterface
{
/**#@+
* Constants defined for keys of data array
*/
public const HANDLES = 'handles';
public const CSS_OPTIONS = 'cssOptions';
public const CSS_OPTION_FILENAME = 'fileName';
public const CSS_OPTION_PATH = 'path';
public const IFCONFIG = 'ifconfig';
/**#@-*/

/**
* Convert dom node tree to array
*
* @param \DOMDocument $source
*
* @return array = [string => [
* 'handles' => [string],
* 'ifconfig' => [string],
* 'cssOptions' => ['fileName' => string, 'path' => string]
* ]]
*/
public function convert($source)
{
$output = [];
if (!$source instanceof \DOMDocument) {
return $output;
}

/** @var \DOMNodeList $types */
$types = $source->getElementsByTagName('module');
/** @var \DOMNode $type */
foreach ($types as $type) {
$moduleConfiguration = [];
$moduleName = $type->getAttribute('name');

$handles = $type->getElementsByTagName('handle');
foreach ($handles as $handle) {
$handleName = $handle->getAttribute('name');
$moduleConfiguration[self::HANDLES][$handleName] = $handleName;
}

$ifconfigs = $type->getElementsByTagName('ifconfig');
$moduleConfiguration[self::IFCONFIG] = [];
foreach ($ifconfigs as $ifconfig) {
$moduleConfiguration[self::IFCONFIG][] = $ifconfig->nodeValue;
}

$cssConfigurations = $type->getElementsByTagName('cssOptions');
if (!$cssConfigurations->length) {
$moduleConfiguration[self::CSS_OPTIONS] = [
self::CSS_OPTION_FILENAME => 'styles',
self::CSS_OPTION_PATH => 'css'
];
} else {
foreach ($cssConfigurations as $row) {
$fileName = $row->getAttribute('fileName');
if (!$fileName) {
$fileName = 'styles';
}
$pathToLess = $row->getAttribute('path');
if (!$pathToLess) {
$pathToLess = 'css';
}
$moduleConfiguration[self::CSS_OPTIONS] = [
self::CSS_OPTION_FILENAME => $fileName,
self::CSS_OPTION_PATH => $pathToLess
];
}
}

$output[$moduleName] = $moduleConfiguration;
}

return $output;
}
}