<?php

declare(strict_types=1);

use Phinx\Migration\AbstractMigration;

/**
 * Schema: uploaded thumbnails.
 *
 * Thumbnails are user-uploaded images associated with models.
 * They are stored in the managed library under a thumbnails/ subdirectory
 * and tracked separately from model files.
 */
final class CreateThumbnails extends AbstractMigration
{
    public function change(): void
    {
        $this->table('thumbnails', ['id' => 'id', 'primary_key' => 'id'])
            ->addColumn('model_id', 'integer', ['null' => false, 'signed' => false])
            ->addColumn('managed_path', 'text', ['null' => false])
            ->addColumn('hash', 'string', ['limit' => 64, 'null' => false]) // SHA-256 hex
            ->addColumn('size', 'biginteger', ['null' => false, 'signed' => false])
            ->addColumn('mime_type', 'string', ['limit' => 128, 'null' => false])
            ->addColumn('width', 'integer', ['null' => true, 'signed' => false])
            ->addColumn('height', 'integer', ['null' => true, 'signed' => false])
            ->addColumn('uploaded_at', 'timestamp', ['default' => 'CURRENT_TIMESTAMP', 'timezone' => true])
            ->addForeignKey('model_id', 'models', 'id', ['delete' => 'CASCADE', 'update' => 'NO_ACTION'])
            ->addIndex(['model_id'], ['name' => 'idx_thumbnails_model_id'])
            ->addIndex(['hash'], ['unique' => true, 'name' => 'idx_thumbnails_hash'])
            ->create();
    }
}