<?php

namespace Tests\Unit\Courses;

use App\Modules\Courses\Application\BlockDefinition;
use LogicException;
use PHPUnit\Framework\Attributes\Test;
use Tests\TestCase;

final class BlockDefinitionTest extends TestCase
{
    #[Test]
    public function ordered_schema_migrations_are_explicit_and_non_mutating(): void
    {
        $definition = new BlockDefinition(
            'example',
            'basic',
            'Example',
            'square',
            3,
            ['text' => ''],
            ['text' => ['required', 'string']],
            migrations: [
                1 => fn (array $data): array => ['text' => $data['title']],
                2 => fn (array $data): array => [...$data, 'format' => 'plain'],
            ],
        );
        $persisted = ['title' => 'Original'];

        $result = $definition->migrate(1, $persisted);

        $this->assertSame(['version' => 3, 'data' => ['text' => 'Original', 'format' => 'plain']], $result);
        $this->assertSame(['title' => 'Original'], $persisted);
    }

    #[Test]
    public function missing_schema_migration_fails_loudly(): void
    {
        $definition = new BlockDefinition('example', 'basic', 'Example', 'square', 2, [], []);

        $this->expectException(LogicException::class);
        $definition->migrate(1, []);
    }
}