<?php

namespace SGalinski\SgMail\Updates;

/***************************************************************
 *  Copyright notice
 *
 *  (c) sgalinski Internet Services (https://www.sgalinski.de)
 *
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *
 *  This script 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 General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 ***************************************************************/

use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Install\Updates\DatabaseUpdatedPrerequisite;
use TYPO3\CMS\Install\Updates\UpgradeWizardInterface;

/**
 *    Makes german templates the default and former default as english templates
 */
class UpdateGermanAsDefault implements UpgradeWizardInterface {
	/**
	 * The wizard identifier
	 */
	const IDENTIFIER = 'tx_sgmail_update_german_as_default';

	/**
	 * @var string
	 */
	protected $table = 'tx_sgmail_domain_model_template';

	/**
	 * @return string
	 */
	public function getIdentifier(): string {
		return self::IDENTIFIER;
	}

	/**
	 * @return string
	 */
	public function getTitle(): string {
		return 'Makes german templates the default and former default as english templates. WARNING: ONLY EXECUTE THIS IF IT MAKES SENSE FOR YOUR TYPO3 INSTANCE';
	}

	/**
	 * @return string
	 */
	public function getDescription(): string {
		return '';
	}

	/**
	 * @return bool
	 */
	public function executeUpdate(): bool {
		$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($this->table);
		$queryBuilder->getRestrictions()->removeAll();
		$resultGerman = $queryBuilder->select('uid')
			->from($this->table)
			->where(
				$queryBuilder->expr()->eq('language', $queryBuilder->createNamedParameter('de'))
			)
			->execute()->fetchAll();

		$resultDefault = $queryBuilder->select('uid')
			->from($this->table)
			->where(
				$queryBuilder->expr()->eq('language', $queryBuilder->createNamedParameter('default'))
			)
			->execute()->fetchAll();

		/** @var array $resultGerman */
		foreach ($resultGerman as $row) {
			$queryBuilder->update($this->table)
				->where(
					$queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($row[0], \PDO::PARAM_INT))
				)
				->set('language', 'default', TRUE)
				->execute();
		}

		/** @var array $resultGerman */
		foreach ($resultDefault as $row) {
			$queryBuilder->update($this->table)
				->where(
					$queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($row[0], \PDO::PARAM_INT))
				)
				->set('language', 'en', TRUE)
				->execute();
		}

		return TRUE;
	}

	/**
	 * @return bool
	 */
	public function updateNecessary(): bool {
		$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($this->table);
		$queryBuilder->getRestrictions()->removeAll();
		$rowCount = $queryBuilder->select('*')
			->from($this->table)
			->where(
				$queryBuilder->expr()->eq('language', $queryBuilder->createNamedParameter('de'))
			)
			->execute()->rowCount();
		return $rowCount > 0;
	}

	/**
	 * @return array|string[]
	 */
	public function getPrerequisites(): array {
		return [
			DatabaseUpdatedPrerequisite::class
		];
	}
}