<?php
namespace Fisharebest\Webtrees\Schema;

/**
 * webtrees: online genealogy
 * Copyright (C) 2015 webtrees development team
 * This program 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.
 * 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 General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
use Fisharebest\Webtrees\Database;

/**
 * Class Migration3 - upgrade the database schema from version 3 to version 4.
 */
class Migration3 implements MigrationInterface {
	/** {@inheritDoc} */
	public function upgrade() {
		// Update the max_relation_path_length from a separate
		// user setting and gedcom setting to a combined user-gedcom
		// setting.
		// Also clean out some old/unused values.

		Database::exec(
			"INSERT IGNORE INTO `##user_gedcom_setting` (user_id, gedcom_id, setting_name, setting_value)" .
			" SELECT u.user_id, g.gedcom_id, 'RELATIONSHIP_PATH_LENGTH', LEAST(us1.setting_value, gs1.setting_value)" .
			" FROM   `##user` u" .
			" CROSS  JOIN `##gedcom` g" .
			" LEFT   JOIN `##user_setting`   us1 ON (u.user_id  =us1.user_id   AND us1.setting_name='max_relation_path')" .
			" LEFT   JOIN `##user_setting`   us2 ON (u.user_id  =us2.user_id   AND us2.setting_name='relationship_privacy')" .
			" LEFT   JOIN `##gedcom_setting` gs1 ON (g.gedcom_id=gs1.gedcom_id AND gs1.setting_name='MAX_RELATION_PATH_LENGTH')" .
			" LEFT   JOIN `##gedcom_setting` gs2 ON (g.gedcom_id=gs2.gedcom_id AND gs2.setting_name='USE_RELATIONSHIP_PRIVACY')" .
			" WHERE  us2.setting_value AND gs2.setting_value"
		);

		// Delete old/unused settings
		Database::exec(
			"DELETE FROM `##site_setting` WHERE setting_name IN ('SESSION_SAVE_PATH')"
		);
		Database::exec(
			"DELETE FROM `##gedcom_setting` WHERE setting_name IN ('HOME_SITE_TEXT', 'HOME_SITE_URL', 'CHECK_MARRIAGE_RELATIONS', 'MAX_RELATION_PATH_LENGTH', 'USE_RELATIONSHIP_PRIVACY')"
		);
		Database::exec(
			"DELETE FROM `##user_setting` WHERE setting_name IN ('loggedin', 'relationship_privacy', 'max_relation_path_length')"
		);

		// Fix Mc/Mac problems - See SVN9701
		Database::exec(
			"UPDATE `##name` SET n_surn=CONCAT('MC', SUBSTRING(n_surn, 4)) WHERE n_surn LIKE 'MC0%'"
		);
	}
}