<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace OCA\User_LDAP\Controller;

use OCA\User_LDAP\Configuration;
use OCA\User_LDAP\ConnectionFactory;
use OCA\User_LDAP\Settings\Admin;
use OCA\User_LDAP\WizardFactory;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\Attribute\ApiRoute;
use OCP\AppFramework\Http\Attribute\AuthorizedAdminSetting;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCS\OCSException;
use OCP\AppFramework\OCSController;
use OCP\IL10N;
use OCP\IRequest;
use Psr\Log\LoggerInterface;

class WizardController extends OCSController {
	public function __construct(
		string $appName,
		IRequest $request,
		private LoggerInterface $logger,
		private ConnectionFactory $connectionFactory,
		private IL10N $l,
		private WizardFactory $wizardFactory,
	) {
		parent::__construct($appName, $request);
	}

	/**
	 * Run a wizard action and returns the result
	 *
	 * @return DataResponse<Http::STATUS_OK, array, array{}>
	 * @throws OCSException
	 *
	 * 200: Wizard action result
	 */
	#[AuthorizedAdminSetting(settings: Admin::class)]
	#[ApiRoute(verb: 'POST', url: '/api/v1/wizard/{configID}/{action}')]
	public function action(string $configID, string $action, ?string $loginName, ?string $key, ?string $val) {
		try {
			$wizard = $this->wizardFactory->get($configID);
			switch ($action) {
				case 'guessPortAndTLS':
				case 'guessBaseDN':
				case 'detectEmailAttribute':
				case 'detectUserDisplayNameAttribute':
				case 'determineGroupMemberAssoc':
				case 'determineUserObjectClasses':
				case 'determineGroupObjectClasses':
				case 'determineGroupsForUsers':
				case 'determineGroupsForGroups':
				case 'determineAttributes':
				case 'getUserListFilter':
				case 'getUserLoginFilter':
				case 'getGroupFilter':
				case 'countUsers':
				case 'countGroups':
				case 'countInBaseDN':
					try {
						$result = $wizard->$action();
						if ($result !== false) {
							return new DataResponse($result->getResultArray());
						}
					} catch (\Exception $e) {
						throw new OCSException($e->getMessage());
					}
					throw new OCSException();

				case 'testLoginName':
					try {
						if ($loginName === null || $loginName === '') {
							throw new OCSException('No login name passed');
						}
						$result = $wizard->$action($loginName);
						if ($result !== false) {
							return new DataResponse($result->getResultArray());
						}
					} catch (\Exception $e) {
						throw new OCSException($e->getMessage());
					}
					throw new OCSException();

				case 'save':
					if ($key === null || $val === null) {
						throw new OCSException($this->l->t('No data specified'));
						exit;
					}
					$setParameters = [];
					$configuration = new Configuration($configID);
					$configuration->setConfiguration([$key => $val], $setParameters);
					if (!in_array($key, $setParameters)) {
						throw new OCSException($this->l->t('Could not set configuration %1$s to %2$s', [$key, $setParameters[0]]));
					}
					$configuration->saveConfiguration();
					//clear the cache on save
					$connection = $this->connectionFactory->get($configID);
					$connection->clearCache();
					return new DataResponse();
					break;
				default:
					throw new OCSException($this->l->t('Action does not exist'));
					break;
			}
		} catch (OCSException $e) {
			throw $e;
		} catch (\Exception $e) {
			$this->logger->error($e->getMessage(), ['exception' => $e]);
			throw new OCSException('An issue occurred when creating the new config.');
		}
	}
}