<?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\DatabaseConnection;
use TYPO3\CMS\Install\Updates\AbstractUpdate;

/**
 * Update the correct sending times (if any)
 */
class UpdateSendingTimes extends AbstractUpdate {
	/**
	 * @var string
	 */
	protected $identifier = 'tx_sgmail_update_sending_times';

	/**
	 * @var string
	 */
	protected $title = 'Find all sent mails and set the sending time to the tstamp field';

	/**
	 * @var \TYPO3\CMS\Extbase\Object\ObjectManager
	 */
	protected $objectManager;

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

	/**
	 * Checks whether updates are required.
	 *
	 * @param string &$description The description for the update
	 * @return bool Whether an update is required (TRUE) or not (FALSE)
	 */
	public function checkForUpdate(&$description) {
		$description = 'Update the sending times if mails have been sent';
		/** @var DatabaseConnection $databaseConnection */
		$databaseConnection = $GLOBALS['TYPO3_DB'];

		// are there sent emails ?
		$where = 'sending_time > 0 AND last_sending_time = 0';

		$result = $databaseConnection->exec_SELECTquery('*', $this->table, $where);
		if ($result->num_rows > 0) {
			return TRUE;
		}

		return !(!FALSE || $this->isWizardDone());
	}

	/**
	 * Performs the according updates.
	 *
	 * @param array &$dbQueries Queries done in this update
	 * @param mixed &$customMessages Custom messages
	 * @return bool Whether everything went smoothly or not
	 */
	public function performUpdate(array &$dbQueries, &$customMessages) {
		/** @var DatabaseConnection $databaseConnection */
		$databaseConnection = $GLOBALS['TYPO3_DB'];
		$dbQueries = [];
		$where = 'sending_time > 0 AND last_sending_time = 0';
		$result = $databaseConnection->exec_SELECTquery('uid, sending_time', $this->table, $where)->fetch_all();
		$dbQueries[] = $databaseConnection->debug_lastBuiltQuery;

		/** @var array $result */
		foreach ($result as $row) {
			$where = 'uid = ' . $row[0];
			$databaseConnection->exec_UPDATEquery($this->table, $where, ['last_sending_time' => $row[1]]);
			$dbQueries[] = $databaseConnection->debug_lastBuiltQuery;
		}

		$this->markWizardAsDone();
		return TRUE;
	}
}