<?php

declare(strict_types=1);

use Phinx\Migration\AbstractMigration;

final class CreateBlogVisits extends AbstractMigration
{
    public function change(): void
    {
        // create table if it does not exist
        $table = $this->table('blog_visits');
        if (!$table->exists()) {
            $table->addColumn('ip', 'string', ['null' => true, 'limit' => 255])
                  ->addColumn('useragent', 'text', ['null' => true])
                  ->addColumn('cnt', 'integer', ['default' => 0])
                  ->addColumn('first_seen', 'integer', ['null' => true])
                  ->addColumn('last_seen', 'integer', ['null' => true])
                  ->addIndex(['ip', 'useragent'], ['unique' => true, 'name' => 'idx_ip_useragent'])
                  ->create();
        }
    }
}