<?php

declare (strict_types=1);
/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */
namespace PhpCsFixer\Fixer\FunctionNotation;

use PhpCsFixer\AbstractFopenFlagFixer;
use PhpCsFixer\Fixer\ConfigurableFixerInterface;
use PhpCsFixer\FixerConfiguration\FixerConfigurationResolver;
use PhpCsFixer\FixerConfiguration\FixerConfigurationResolverInterface;
use PhpCsFixer\FixerConfiguration\FixerOptionBuilder;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
final class FopenFlagsFixer extends AbstractFopenFlagFixer implements ConfigurableFixerInterface
{
    /**
     * {@inheritdoc}
     */
    public function getDefinition() : FixerDefinitionInterface
    {
        return new FixerDefinition('The flags in `fopen` calls must omit `t`, and `b` must be omitted or included consistently.', [new CodeSample("<?php\n\$a = fopen(\$foo, 'rwt');\n"), new CodeSample("<?php\n\$a = fopen(\$foo, 'rwt');\n", ['b_mode' => \false])], null, 'Risky when the function `fopen` is overridden.');
    }
    /**
     * {@inheritdoc}
     */
    protected function createConfigurationDefinition() : FixerConfigurationResolverInterface
    {
        return new FixerConfigurationResolver([(new FixerOptionBuilder('b_mode', 'The `b` flag must be used (`true`) or omitted (`false`).'))->setAllowedTypes(['bool'])->setDefault(\true)->getOption()]);
    }
    protected function fixFopenFlagToken(Tokens $tokens, int $argumentStartIndex, int $argumentEndIndex) : void
    {
        $argumentFlagIndex = null;
        for ($i = $argumentStartIndex; $i <= $argumentEndIndex; ++$i) {
            if ($tokens[$i]->isGivenKind([\T_WHITESPACE, \T_COMMENT, \T_DOC_COMMENT])) {
                continue;
            }
            if (null !== $argumentFlagIndex) {
                return;
                // multiple meaningful tokens found, no candidate for fixing
            }
            $argumentFlagIndex = $i;
        }
        // check if second argument is candidate
        if (null === $argumentFlagIndex || !$tokens[$argumentFlagIndex]->isGivenKind(\T_CONSTANT_ENCAPSED_STRING)) {
            return;
        }
        $content = $tokens[$argumentFlagIndex]->getContent();
        $contentQuote = $content[0];
        // `'`, `"`, `b` or `B`
        if ('b' === $contentQuote || 'B' === $contentQuote) {
            $binPrefix = $contentQuote;
            $contentQuote = $content[1];
            // `'` or `"`
            $mode = \substr($content, 2, -1);
        } else {
            $binPrefix = '';
            $mode = \substr($content, 1, -1);
        }
        if (\false === $this->isValidModeString($mode)) {
            return;
        }
        $mode = \str_replace('t', '', $mode);
        if (\true === $this->configuration['b_mode']) {
            if (\strpos($mode, 'b') === \false) {
                $mode .= 'b';
            }
        } else {
            $mode = \str_replace('b', '', $mode);
        }
        $newContent = $binPrefix . $contentQuote . $mode . $contentQuote;
        if ($content !== $newContent) {
            $tokens[$argumentFlagIndex] = new Token([\T_CONSTANT_ENCAPSED_STRING, $newContent]);
        }
    }
}
