<?php

declare(strict_types=1);

use Phinx\Seed\AbstractSeed;

/**
 * Seeds the five default abuse categories. Idempotent: each category is
 * inserted only if no row with the same `slug` exists.
 *
 * Default decay function across all five is exponential with a 14-day half-life
 * (per SPEC §5 default).
 */
final class DefaultCategoriesSeeder extends AbstractSeed
{
    public function run(): void
    {
        $categories = [
            [
                'slug' => 'brute_force',
                'name' => 'Brute force',
                'description' => 'Repeated authentication failures (SSH, web logins, SMTP AUTH).',
            ],
            [
                'slug' => 'spam',
                'name' => 'Spam',
                'description' => 'Unsolicited email/comment/forum spam from this source.',
            ],
            [
                'slug' => 'scanner',
                'name' => 'Scanner',
                'description' => 'Port/vulnerability scanning, recon traffic without follow-through exploitation.',
            ],
            [
                'slug' => 'malware_c2',
                'name' => 'Malware C2',
                'description' => 'Suspected command-and-control endpoint or malware distribution host.',
            ],
            [
                'slug' => 'web_attack',
                'name' => 'Web attack',
                'description' => 'Active web exploitation attempts: SQLi, XSS, LFI, RCE payloads.',
            ],
        ];

        $existing = $this->fetchAll('SELECT slug FROM categories');
        $existingSlugs = array_column($existing, 'slug');

        $rows = [];
        foreach ($categories as $cat) {
            if (in_array($cat['slug'], $existingSlugs, true)) {
                continue;
            }

            $rows[] = [
                'slug' => $cat['slug'],
                'name' => $cat['name'],
                'description' => $cat['description'],
                'decay_function' => 'exponential',
                'decay_param' => '14.0000',
                'is_active' => 1,
            ];
        }

        if ($rows !== []) {
            $this->table('categories')->insert($rows)->save();
        }
    }
}