<?php
/**
 * REST API service.
 *
 * @package BlockSieve
 */

namespace BlockSieve\Services;

use BlockSieve\Conditions\ConditionCatalog;
use BlockSieve\Conditions\ConditionRegistry;
use BlockSieve\HookLoader;
use BlockSieve\REST\Controllers\ConditionsController;

/**
 * Registers the plugin's REST namespace and bootstraps its controllers.
 *
 * The controller is instantiated lazily on `rest_api_init` so the registry —
 * which is populated on `init` via the registration hook — is fully ready
 * before routes are declared.
 */
final class RestService {

	/**
	 * Hook loader.
	 *
	 * @var HookLoader
	 */
	private HookLoader $hooks;

	/**
	 * Condition registry.
	 *
	 * @var ConditionRegistry
	 */
	private ConditionRegistry $registry;

	/**
	 * Shared operator/option vocabulary.
	 *
	 * @var ConditionCatalog
	 */
	private ConditionCatalog $catalog;

	/**
	 * Constructor.
	 *
	 * @param HookLoader        $hooks    Hook loader.
	 * @param ConditionRegistry $registry Condition registry.
	 * @param ConditionCatalog  $catalog  Shared condition vocabulary.
	 */
	public function __construct( HookLoader $hooks, ConditionRegistry $registry, ConditionCatalog $catalog ) {
		$this->hooks    = $hooks;
		$this->registry = $registry;
		$this->catalog  = $catalog;
	}

	/**
	 * Queues the REST registration via the hook loader.
	 *
	 * @return void
	 */
	public function register(): void {
		$this->hooks->add_action( 'rest_api_init', array( $this, 'register_routes' ) );
	}

	/**
	 * Registers the REST controllers.
	 *
	 * @return void
	 */
	public function register_routes(): void {
		( new ConditionsController( $this->registry, $this->catalog ) )->register_routes();
	}
}