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<?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\ArrayNotation;

use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
use PhpCsFixer\FixerDefinition\VersionSpecification;
use PhpCsFixer\FixerDefinition\VersionSpecificCodeSample;
use PhpCsFixer\Tokenizer\CT;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;

/**
 * @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise.
 */
final class NormalizeIndexBraceFixer extends AbstractFixer
{
    public function getDefinition(): FixerDefinitionInterface
    {
        return new FixerDefinition(
            'Array index should always be written by using square braces.',
            [new VersionSpecificCodeSample(
                "<?php\necho \$sample{\$index};\n",
                new VersionSpecification(null, 8_04_00 - 1),
            )],
        );
    }

public function isCandidate(Tokens $tokens): bool
    {
        return $tokens->isTokenKindFound(CT::T_ARRAY_INDEX_CURLY_BRACE_OPEN);
    }

protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
    {
        foreach ($tokens as $index => $token) {
            if ($token->isGivenKind(CT::T_ARRAY_INDEX_CURLY_BRACE_OPEN)) {
                $tokens[$index] = new Token('[');
            } elseif ($token->isGivenKind(CT::T_ARRAY_INDEX_CURLY_BRACE_CLOSE)) {
                $tokens[$index] = new Token(']');
            }
        }
    }
}