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

namespace Amasty\Base\Debug\System;

/**
* @codeCoverageIgnore
* @codingStandardsIgnoreFile
*/
class LogBeautifier
{
/**
* @var LogBeautifier
*/
private static $instance;

/**
* @param mixed $var
*
* @return string
*/
public function beautify($var)
{
switch (strtolower(gettype($var))) {
case 'string':
$result = '"' . $var . '"';
break;
case 'object':
$result = $this->prepareObjectVar($var);
break;
case 'array':
$result = $this->prepareArrayVar($var);
break;
case 'boolean':
$result = $var ? 'true' : 'false';
break;
case 'null':
$result = 'null';
break;
case 'resource':
case 'resource (closed)':
$result = 'resource';
break;
default:
$result = $var;
break;
}

return $result;
}

/**
* @param string|int $key
*
* @return string
*/
private function arrayKey($key)
{
if (is_string($key)) {
return '"' . $key . '"';
}

return $key;
}

/**
* @param mixed $var
*
* @return string|int|float
*/
private function arraySimpleType($var)
{
switch (strtolower(gettype($var))) {
case 'string':
return $var;
case 'boolean':
return $var ? 'true' : 'false';
case 'null':
return 'null';
case 'integer':
case 'float':
case 'double':
return $var;
case 'resource':
case 'resource (closed)':
return 'resource';
default:
return 'Unknown variable type!';
}
}

/**
* @param array $arrayVar
* @param int $depth
*
* @return string
*/
private function prepareArrayVar($arrayVar, $depth = 1)
{
$result = "array: " . count($arrayVar) . " [\n";

foreach ($arrayVar as $arrayKey => $var) {
switch (strtolower(gettype($var))) {
case 'array':
$result .= str_repeat(' ', $depth * 4)
. $this->arrayKey($arrayKey)
. ' => ' . $this->prepareArrayVar($var, $depth + 1) . "\n";
break;
case 'object':
$result .= str_repeat(' ', $depth * 4)
. $this->arrayKey($arrayKey)
. ' => ' . $this->prepareObjectVar($var, $depth + 1) . "\n";
break;
default:
$result .= str_repeat(' ', $depth * 4)
. $this->arrayKey($arrayKey)
. ' => ' . $this->arraySimpleType($var) . "\n";
break;
}
}
$result .= str_repeat(' ', ($depth - 1) * 4) . "]";

return $result;
}

/**
* @param AmastyDump $object
* @param int $depth
*
* @return string
*/
private function prepareObjectVar($object, $depth = 1)
{
if ($depth === 1) {
$result = 'Object ' . $object->className . "{\n";
} else {
$result = 'Object ' . $object->shortClassName . "{\n";
}

$result .= str_repeat(' ', $depth * 4) . "Properties => "
. $this->prepareArrayVar($object->properties, $depth + 1) . "\n";
$result .= str_repeat(' ', ($depth - 1) * 4) . '}';

return $result;
}

/**
* @return LogBeautifier
*/
public static function getInstance()
{
if (!self::$instance) {
self::$instance = new self();
}

return self::$instance;
}
}