<?php
/**
 * Tests for content handler registry.
 *
 * @package WPContentSync
 */

namespace WPContentSync\Tests\Unit\Content;

use PHPUnit\Framework\TestCase;
use WPContentSync\Content\ContentHandlerInterface;
use WPContentSync\Content\ContentHandlerRegistry;
use WPContentSync\Sync\SyncContext;
use WPContentSync\Sync\SyncResult;

class ContentHandlerRegistryTest extends TestCase {
	public function test_it_returns_handlers_in_package_order(): void {
		$posts = $this->handler( 'posts' );
		$terms = $this->handler( 'terms' );
		$media = $this->handler( 'media' );

		$registry = new ContentHandlerRegistry( array( $media, $posts, $terms ) );

		self::assertSame( array( $terms, $posts, $media ), $registry->ordered() );
	}

	public function test_it_rejects_duplicate_buckets(): void {
		$this->expectException( \InvalidArgumentException::class );
		$this->expectExceptionMessage( 'Handler bucket "posts" is already registered.' );

		new ContentHandlerRegistry( array( $this->handler( 'posts' ), $this->handler( 'posts' ) ) );
	}

	private function handler( string $bucket ): ContentHandlerInterface {
		return new class( $bucket ) implements ContentHandlerInterface {
			private string $bucket;

			public function __construct( string $bucket ) {
				$this->bucket = $bucket;
			}

			public function bucket(): string {
				return $this->bucket;
			}

			/**
			 * @param array<int, array<string, mixed>> $records Package records.
			 */
			public function importRecords( array $records, SyncContext $context ): SyncResult {
				return SyncResult::success( array( 'skipped' => count( $records ) ) );
			}
		};
	}
}