<?php

namespace Automad\Console\Commands;

use Automad\Core\Messenger;

/**
 * The update command.
 *
 * @author Marc Anton Dahmen
 * @copyright Copyright (c) 2018-2023 by Marc Anton Dahmen - https://marcdahmen.de
 * @license MIT license - https://automad.org/license
 */
class Update extends AbstractCommand
{
	/**
	 * Get the command help.
	 *
	 * @return string the command help
	 */
	public static function help(): string
	{
		return 'Update Automad to the latest version.';
	}


	/**
	 * Get the command name.
	 *
	 * @return string the command name
	 */
	public static function name(): string
	{
		return 'update';
	}


	/**
	 * The actual command action.
	 */
	public static function run(): void
	{
		if (strpos(AM_BASE_DIR, '/automad-dev') !== false) {
			exit('Can\'t run updates within the development repository!' . PHP_EOL . PHP_EOL);
		}

		echo 'Automad version ' . AM_VERSION . PHP_EOL;
		echo 'Update branch is ' . AM_UPDATE_BRANCH . PHP_EOL;

		$updateVersion = \Automad\System\Update::getVersion();
		$Messenger = new Messenger();

		if (version_compare(AM_VERSION, $updateVersion, '<')) {
			echo 'Updating to version ' . $updateVersion . PHP_EOL;

			if (\Automad\System\Update::run($Messenger)) {
				echo $Messenger->getSuccess() . PHP_EOL;

				exit(0);
			}

			echo $Messenger->getError() . PHP_EOL;
			echo 'Update has failed' . PHP_EOL;

			exit(1);
		}

		echo 'Up to date' . PHP_EOL;
	}
}
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