<?php
/**
 * webtrees: online genealogy
 * Copyright (C) 2018 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/>.
 */
declare(strict_types=1);

namespace Fisharebest\Webtrees\Schema;

use Fisharebest\Webtrees\Database;

/**
 * Upgrade the database schema from version 21 to version 22.
 */
class Migration21 implements MigrationInterface
{
    /**
     * Upgrade to to the next version
     *
     * @return void
     */
    public function upgrade()
    {
        // Data fix for bug #1072477
        Database::exec("UPDATE `##default_resn` SET xref     = NULL WHERE xref     = ''");
        Database::exec("UPDATE `##default_resn` SET tag_type = NULL WHERE tag_type = ''");

        // Delete old settings
        Database::exec("DELETE FROM `##gedcom_setting` WHERE setting_name IN ('AUTO_GENERATE_THUMBS', 'POSTAL_CODE', 'MEDIA_DIRECTORY_LEVELS', 'USE_MEDIA_VIEWER')");

        // Delete old settings
        Database::exec("DELETE FROM `##module_setting` WHERE module_name='lightbox'");

        // Very old versions of phpGedView allowed media paths beginning “./”
        // Remove these
        Database::exec(
            "UPDATE `##media` m" .
            " SET" .
            "  m_filename = TRIM(LEADING './' FROM m_filename)," .
            "  m_gedcom   = REPLACE(m_gedcom, '\n1 FILE ./', '\n1 FILE ')"
        );
        Database::exec(
            "UPDATE `##change` c" .
            " SET new_gedcom = REPLACE(new_gedcom, '\n1 FILE ./', '\n1 FILE ')" .
            " WHERE status = 'pending'"
        );

        // Previous versions of webtrees included the MEDIA_DIRECTORY setting in the
        // FILE tag of the OBJE records. Remove it…
        Database::exec(
            "UPDATE `##media` m" .
            " JOIN `##gedcom_setting` gs ON (m.m_file = gs.gedcom_id AND gs.setting_name = 'MEDIA_DIRECTORY')" .
            " SET" .
            "  m_filename = TRIM(LEADING gs.setting_value FROM m_filename)," .
            "  m_gedcom   = REPLACE(m_gedcom, CONCAT('\n1 FILE ', gs.setting_value), '\n1 FILE ')"
        );
        // …don’t forget pending changes
        Database::exec(
            "UPDATE `##change` c" .
            " JOIN `##gedcom_setting` gs ON (c.gedcom_id = gs.gedcom_id AND gs.setting_name = 'MEDIA_DIRECTORY')" .
            " SET new_gedcom = REPLACE(new_gedcom, CONCAT('\n1 FILE ', gs.setting_value), '\n1 FILE ')" .
            " WHERE status = 'pending'"
        );
    }
}