<?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/>.
 */
namespace Fisharebest\Webtrees\Schema;

use Fisharebest\Webtrees\Database;
use Fisharebest\Webtrees\DebugBar;
use Fisharebest\Webtrees\Site;
use PDOException;

/**
 * Upgrade the database schema from version 31 to version 32.
 */
class Migration31 implements MigrationInterface
{
    /** @var string[] Updated language codes */
    private $languages = [
        'en_AU' => 'en-AU',
        'en_GB' => 'en-GB',
        'en_US' => 'en-US',
        'fr_CA' => 'fr-CA',
        'pt_BR' => 'pt-BR',
    ];

    /**
     * Upgrade to to the next version
     *
     * @return void
     */
    public function upgrade()
    {
        $index_dir = Site::getPreference('INDEX_DIRECTORY');

        // Due to the language code changes in 1.7.0, we need to update some other settings
        foreach ($this->languages as $old => $new) {
            try {
                Database::prepare(
                    "UPDATE `##site_setting` SET setting_name = REPLACE(setting_name, :old, :new) " .
                    "WHERE setting_name LIKE 'WELCOME_TEXT_AUTH_MODE_%'"
                )->execute([
                    'old' => $old,
                    'new' => $new,
                ]);
            } catch (PDOException $ex) {
                DebugBar::addThrowable($ex);

                // Duplicate key? Already done?
            }

            Database::prepare(
                "UPDATE `##block_setting` SET setting_value = REPLACE(setting_value, :old, :new) " .
                "WHERE setting_name = 'languages'"
            )->execute([
                'old' => $old,
                'new' => $new,
            ]);

            // Historical fact files
            if (file_exists($index_dir . 'histo.' . $old . '.php') && !file_exists($index_dir . 'histo.' . $new . '.php')) {
                rename($index_dir . 'histo.' . $old . '.php', $index_dir . 'histo.' . $new . '.php');
            }

            // Language files
            if (file_exists($index_dir . 'language/' . $old . '.php') && !file_exists($index_dir . 'language/' . $new . '.php')) {
                rename($index_dir . 'language/' . $old . '.php', $index_dir . 'language/' . $new . '.php');
            }

            if (file_exists($index_dir . 'language/' . $old . '.csv') && !file_exists($index_dir . 'language/' . $new . '.csv')) {
                rename($index_dir . 'language/' . $old . '.csv', $index_dir . 'language/' . $new . '.csv');
            }

            if (file_exists($index_dir . 'language/' . $old . '.mo') && !file_exists($index_dir . 'language/' . $new . '.mo')) {
                rename($index_dir . 'language/' . $old . '.mo', $index_dir . 'language/' . $new . '.mo');
            }
        }
    }
}