<?php
declare(strict_types=1);

use PHPUnit\Framework\TestCase;

/**
 * Post write-back follows the same routing reads use.
 *
 * Listing 101 has `shared_key` in both group tables: 'L' in its own
 * (hp_listing-scoped) group, a stray 'V' in the vendor group — the legacy
 * owner, registered last. Whichever table reads use must be the one copied.
 */
class NativeRestorerPostTest extends TestCase {

	private const LISTING = 'wp_itest_wpdo_post_nr_listing';
	private const VENDOR  = 'wp_itest_wpdo_post_nr_vendor';

	public static function setUpBeforeClass(): void {
		$base = WPDO_PLUGIN_DIR;
		foreach ( array(
			'includes/adapters/interface-entity-adapter.php',
			'includes/engine/class-tmdo-type-caster.php',
			'includes/engine/class-tmdo-schema-manager.php',
			'includes/engine/class-tmdo-entity-registry.php',
			'includes/engine/class-tmdo-mode-manager.php',
			'includes/engine/class-tmdo-cache-orchestrator.php',
			'includes/adapters/class-tmdo-adapter-post.php',
			'includes/migration/class-tmdo-native-restorer.php',
		) as $file ) {
			require_once $base . $file;
		}
	}

	protected function setUp(): void {
		global $wpdb;
		self::drop();
		$wpdb->query( "CREATE TABLE `{$wpdb->posts}` ( ID BIGINT UNSIGNED NOT NULL, post_type VARCHAR(20) NOT NULL DEFAULT 'post', PRIMARY KEY (ID) ) ENGINE=InnoDB" );
		$wpdb->query( "CREATE TABLE `{$wpdb->postmeta}` ( meta_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, post_id BIGINT UNSIGNED NOT NULL DEFAULT 0, meta_key VARCHAR(255) DEFAULT NULL, meta_value LONGTEXT, PRIMARY KEY (meta_id), KEY post_id (post_id), KEY meta_key (meta_key(191)) ) ENGINE=InnoDB" );
		foreach ( array( self::LISTING, self::VENDOR ) as $table ) {
			$wpdb->query( "CREATE TABLE `{$table}` ( id BIGINT NOT NULL AUTO_INCREMENT, post_id BIGINT NOT NULL, shared_key VARCHAR(255) DEFAULT NULL, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT '2020-01-01 00:00:00', PRIMARY KEY (id), UNIQUE KEY uk_entity (post_id) ) ENGINE=InnoDB" );
		}
		$wpdb->insert( $wpdb->posts, array( 'ID' => 101, 'post_type' => 'hp_listing' ) );
		$wpdb->insert( self::LISTING, array( 'post_id' => 101, 'shared_key' => 'L' ) );
		$wpdb->insert( self::VENDOR, array( 'post_id' => 101, 'shared_key' => 'V' ) );

		$GLOBALS['_wp_cache']      = array();
		$GLOBALS['_wp_transients'] = array();

		WPDO_Entity_Registry::init();
		WPDO_Entity_Registry::register_adapter( 'post', new WPDO_Adapter_Post() );
		WPDO_Entity_Registry::register_group( 'post', 'nr_listing', array( array( 'key' => 'shared_key', 'type' => 'text' ) ), array( 'post_types' => array( 'hp_listing' ) ) );
		WPDO_Entity_Registry::register_group( 'post', 'nr_vendor', array( array( 'key' => 'shared_key', 'type' => 'text' ) ), array( 'post_types' => array( 'hp_vendor' ) ) );

		$ref = new ReflectionProperty( WPDO_Schema_Manager::class, 'table_exists_cache' );
		$ref->setAccessible( true );
		$ref->setValue( null, array() );
	}

	protected function tearDown(): void {
		self::drop();
		WPDO_Entity_Registry::init();
	}

	private static function drop(): void {
		global $wpdb;
		foreach ( array( $wpdb->posts, $wpdb->postmeta, self::LISTING, self::VENDOR ) as $table ) {
			$wpdb->query( "DROP TABLE IF EXISTS `{$table}`" );
		}
	}

	private function native_value(): array {
		global $wpdb;
		return $wpdb->get_col( "SELECT meta_value FROM `{$wpdb->postmeta}` WHERE post_id = 101 AND meta_key = 'shared_key'" );
	}

	public function test_scoped_routing_writes_back_the_post_types_own_group(): void {
		$GLOBALS['_wp_options'] = array( WPDO_Entity_Registry::SCOPED_ROUTING_OPTION => '1' );

		TMDO_Native_Restorer::run( 'post' );

		$this->assertSame( array( 'L' ), $this->native_value() );
	}

	public function test_legacy_routing_writes_back_the_legacy_owner(): void {
		$GLOBALS['_wp_options'] = array( WPDO_Entity_Registry::SCOPED_ROUTING_OPTION => '0' );

		TMDO_Native_Restorer::run( 'post' );

		$this->assertSame( array( 'V' ), $this->native_value() );
	}
}