<?php

namespace App\Services\Moderation\Rules;

use App\Contracts\Moderation\ModerationRuleInterface;
use App\Services\Moderation\ModerationRuleRegistryService;

class RegexPatternRule implements ModerationRuleInterface
{
    public function analyze(string $content, string $normalized, array $context = []): array
    {
        $registry = \app(ModerationRuleRegistryService::class);
        $findings = [];

        foreach ($registry->regexRules() as $rule) {
            $pattern = (string) ($rule['pattern'] ?? '');
            if ($pattern === '') {
                continue;
            }

            $matched = @preg_match($pattern, $content) === 1 || @preg_match($pattern, $normalized) === 1;
            if (! $matched) {
                continue;
            }

            $findings[] = [
                'rule' => 'regex_pattern',
                'score' => (int) ($rule['weight'] ?? \app('config')->get('content_moderation.weights.regex_pattern', 30)),
                'reason' => 'Matched custom moderation regex rule',
                'links' => [],
                'domains' => [],
                'keywords' => [$pattern],
            ];
        }

        return $findings;
    }
}