<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace OCA\User_LDAP\SetupChecks;

use OCA\User_LDAP\AccessFactory;
use OCA\User_LDAP\ConnectionFactory;
use OCA\User_LDAP\Helper;
use OCP\IL10N;
use OCP\SetupCheck\ISetupCheck;
use OCP\SetupCheck\SetupResult;

class LdapConnection implements ISetupCheck {
	public function __construct(
		private IL10N $l10n,
		private Helper $helper,
		private ConnectionFactory $connectionFactory,
		private AccessFactory $accessFactory,
	) {
	}

	public function getCategory(): string {
		return 'ldap';
	}

	public function getName(): string {
		return $this->l10n->t('LDAP Connection');
	}

	public function run(): SetupResult {
		$availableConfigs = $this->helper->getServerConfigurationPrefixes();
		$inactiveConfigurations = [];
		$bindFailedConfigurations = [];
		$searchFailedConfigurations = [];
		foreach ($availableConfigs as $configID) {
			$connection = $this->connectionFactory->get($configID);
			if (!$connection->ldapConfigurationActive) {
				$inactiveConfigurations[] = $configID;
				continue;
			}
			if (!$connection->bind()) {
				$bindFailedConfigurations[] = $configID;
				continue;
			}
			$access = $this->accessFactory->get($connection);
			$result = $access->countObjects(1);
			if (!is_int($result) || ($result <= 0)) {
				$searchFailedConfigurations[] = $configID;
			}
		}
		$output = '';
		if (!empty($bindFailedConfigurations)) {
			$output .= $this->l10n->n(
				'Binding failed for this LDAP configuration: %s',
				'Binding failed for %n LDAP configurations: %s',
				count($bindFailedConfigurations),
				[implode(',', $bindFailedConfigurations)]
			) . "\n";
		}
		if (!empty($searchFailedConfigurations)) {
			$output .= $this->l10n->n(
				'Searching failed for this LDAP configuration: %s',
				'Searching failed for %n LDAP configurations: %s',
				count($searchFailedConfigurations),
				[implode(',', $searchFailedConfigurations)]
			) . "\n";
		}
		if (!empty($inactiveConfigurations)) {
			$output .= $this->l10n->n(
				'There is an inactive LDAP configuration: %s',
				'There are %n inactive LDAP configurations: %s',
				count($inactiveConfigurations),
				[implode(',', $inactiveConfigurations)]
			) . "\n";
		}
		if (!empty($bindFailedConfigurations) || !empty($searchFailedConfigurations)) {
			return SetupResult::error($output);
		} elseif (!empty($inactiveConfigurations)) {
			return SetupResult::warning($output);
		}
		return SetupResult::success($this->l10n->n(
			'Binding and searching works on the configured LDAP connection (%s)',
			'Binding and searching works on all of the %n configured LDAP connections (%s)',
			count($availableConfigs),
			[implode(',', $availableConfigs)]
		));
	}
}