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<?php

/**
 * SPDX-FileCopyrightText: 2019-2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
namespace OCA\Encryption;

use OCA\Encryption\Hooks\Contracts\IHook;

class HookManager {
	/** @var IHook[] */
	private $hookInstances = [];

	/**
	 * @param array|IHook $instances
	 *                               - This accepts either a single instance of IHook or an array of instances of IHook
	 * @return bool
	 */
	public function registerHook($instances) {
		if (is_array($instances)) {
			foreach ($instances as $instance) {
				if (!$instance instanceof IHook) {
					return false;
				}
				$this->hookInstances[] = $instance;
			}
		} elseif ($instances instanceof IHook) {
			$this->hookInstances[] = $instances;
		}
		return true;
	}

	public function fireHooks() {
		foreach ($this->hookInstances as $instance) {
			/**
			 * Fire off the add hooks method of each instance stored in cache
			 */
			$instance->addHooks();
		}
	}
}