<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Bart Visscher <bartv@thisnet.nl>
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author hoellen <dev@hoellen.eu>
 * @author J0WI <J0WI@users.noreply.github.com>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Ko- <k.stoffelen@cs.ru.nl>
 * @author Lukas Reschke <lukas@statuscode.ch>
 * @author Michael Weimann <mail@michael-weimann.eu>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Patrick Paysant <patrick.paysant@linagora.com>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Victor Dubiniuk <dubiniuk@owncloud.com>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */
require_once __DIR__ . '/lib/versioncheck.php';

use OC\Console\Application;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Output\ConsoleOutput;

define('OC_CONSOLE', 1);

function exceptionHandler($exception) {
	echo "An unhandled exception has been thrown:" . PHP_EOL;
	echo $exception;
	exit(1);
}
try {
	require_once __DIR__ . '/lib/base.php';

	// set to run indefinitely if needed
	if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
		@set_time_limit(0);
	}

	if (!OC::$CLI) {
		echo "This script can be run from the command line only" . PHP_EOL;
		exit(1);
	}

	$config = \OCP\Server::get(\OCP\IConfig::class);
	set_exception_handler('exceptionHandler');

	if (!function_exists('posix_getuid')) {
		echo "The posix extensions are required - see https://www.php.net/manual/en/book.posix.php" . PHP_EOL;
		exit(1);
	}

	// Check if the data directory is available and the server is installed
	$dataDirectory = $config->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data');
	if ($config->getSystemValueBool('installed', false) && !is_dir($dataDirectory)) {
		echo "Data directory (" . $dataDirectory . ") not found" . PHP_EOL;
		exit(1);
	}

	// Check if the user running the console is the same as the user that owns the data directory
	// If the data directory does not exist, the server is not setup yet and we can skip.
	if (is_dir($dataDirectory)) {
		$user = posix_getuid();
		$dataDirectoryUser = fileowner($dataDirectory);
		if ($user !== $dataDirectoryUser) {
			echo "Console has to be executed with the user that owns the data directory" . PHP_EOL;
			echo "Current user id: " . $user . PHP_EOL;
			echo "Owner id of the data directory: " . $dataDirectoryUser . PHP_EOL;
			echo "Try adding 'sudo -u #" . $dataDirectoryUser . "' to the beginning of the command (without the single quotes)" . PHP_EOL;
			echo "If running with 'docker exec' try adding the option '-u " . $dataDirectoryUser . "' to the docker command (without the single quotes)" . PHP_EOL;
			exit(1);
		}
	}

	$oldWorkingDir = getcwd();
	if ($oldWorkingDir === false) {
		echo "This script can be run from the Nextcloud root directory only." . PHP_EOL;
		echo "Can't determine current working dir - the script will continue to work but be aware of the above fact." . PHP_EOL;
	} elseif ($oldWorkingDir !== __DIR__ && !chdir(__DIR__)) {
		echo "This script can be run from the Nextcloud root directory only." . PHP_EOL;
		echo "Can't change to Nextcloud root directory." . PHP_EOL;
		exit(1);
	}

	if (!(function_exists('pcntl_signal') && function_exists('pcntl_signal_dispatch')) && !in_array('--no-warnings', $argv)) {
		echo "The process control (PCNTL) extensions are required in case you want to interrupt long running commands - see https://www.php.net/manual/en/book.pcntl.php" . PHP_EOL;
		echo "Additionally the function 'pcntl_signal' and 'pcntl_signal_dispatch' need to be enabled in your php.ini." . PHP_EOL;
	}

	$application = \OCP\Server::get(Application::class);
	$application->loadCommands(new ArgvInput(), new ConsoleOutput());
	$application->run();
} catch (Exception $ex) {
	exceptionHandler($ex);
} catch (Error $ex) {
	exceptionHandler($ex);
}