<?php

declare (strict_types=1);
namespace Ssch\TYPO3Rector\FileProcessor\TypoScript\Conditions;

use Ssch\TYPO3Rector\Contract\FileProcessor\TypoScript\Conditions\TyposcriptConditionMatcher;
use Ssch\TYPO3Rector\Helper\ArrayUtility;
final class ApplicationContextConditionMatcher implements \Ssch\TYPO3Rector\Contract\FileProcessor\TypoScript\Conditions\TyposcriptConditionMatcher
{
    /**
     * @var string
     */
    private const TYPE = 'applicationContext';
    /**
     * @param string $condition
     */
    public function change($condition) : ?string
    {
        \preg_match('#' . self::TYPE . self::ZERO_ONE_OR_MORE_WHITESPACES . '=' . self::ZERO_ONE_OR_MORE_WHITESPACES . '(.*)#', $condition, $matches);
        if (!\is_array($matches)) {
            return $condition;
        }
        $values = \Ssch\TYPO3Rector\Helper\ArrayUtility::trimExplode(',', $matches[1], \true);
        $newConditions = [];
        foreach ($values as $value) {
            if ($this->isRegularExpression($value)) {
                $newConditions[] = \sprintf('applicationContext matches "%s"', $value);
            } else {
                $newConditions[] = \sprintf('applicationContext == "%s"', $value);
            }
        }
        return \implode(' || ', $newConditions);
    }
    /**
     * @param string $condition
     */
    public function shouldApply($condition) : bool
    {
        if (\strpos($condition, self::CONTAINS_CONSTANT) !== \false) {
            return \false;
        }
        return 1 === \preg_match('#^' . self::TYPE . self::ZERO_ONE_OR_MORE_WHITESPACES . '=[^=]#', $condition);
    }
    private function isRegularExpression(string $regularExpression) : bool
    {
        return \false !== @\preg_match($regularExpression, '');
    }
}
