<?php

/*
 * RepairsPostgresSequences.php
 * Copyright (c) 2023 james@firefly-iii.org
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace FireflyIII\Console\Commands\Upgrade;

use FireflyIII\Console\Commands\ShowsFriendlyMessages;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class RepairsPostgresSequences extends Command
{
    use ShowsFriendlyMessages;

    protected $description = 'Fixes issues with PostgreSQL sequences.';

    protected $signature   = 'upgrade:600-pgsql-sequences';

    /**
     * Execute the console command.
     */
    public function handle(): int
    {
        if ('pgsql' !== DB::connection()->getName()) {
            return 0;
        }
        $this->friendlyLine('Going to verify PostgreSQL table sequences.');
        $tablesToCheck = [
            '2fa_tokens',
            'account_meta',
            'account_types',
            'accounts',
            'attachments',
            'auto_budgets',
            'available_budgets',
            'bills',
            'budget_limits',
            'budget_transaction',
            'budget_transaction_journal',
            'budgets',
            'categories',
            'category_transaction',
            'category_transaction_journal',
            'configuration',
            'currency_exchange_rates',
            'failed_jobs',
            'group_journals',
            'jobs',
            'journal_links',
            'journal_meta',
            'link_types',
            'locations',
            'migrations',
            'notes',
            'oauth_clients',
            'oauth_personal_access_clients',
            'object_groups',
            'permissions',
            'piggy_bank_events',
            'piggy_bank_repetitions',
            'piggy_banks',
            'preferences',
            'recurrences',
            'recurrences_meta',
            'recurrences_repetitions',
            'recurrences_transactions',
            'roles',
            'rt_meta',
            'rule_actions',
            'rule_groups',
            'rule_triggers',
            'rules',
            'tag_transaction_journal',
            'tags',
            'transaction_currencies',
            'transaction_groups',
            'transaction_journals',
            'transaction_types',
            'transactions',
            'users',
            'webhook_attempts',
            'webhook_messages',
            'webhooks',
        ];

        foreach ($tablesToCheck as $tableToCheck) {
            $this->friendlyLine(sprintf('Checking the next id sequence for table "%s".', $tableToCheck));

            $highestId = DB::table($tableToCheck)->select(DB::raw('MAX(id)'))->first();
            $nextId    = DB::table($tableToCheck)->select(DB::raw(sprintf('nextval(\'%s_id_seq\')', $tableToCheck)))->first();
            if (null === $nextId) {
                $this->friendlyInfo(sprintf('nextval is NULL for table "%s", go to next table.', $tableToCheck));

                continue;
            }

            if ($nextId->nextval < $highestId->max) {
                DB::select(sprintf('SELECT setval(\'%s_id_seq\', %d)', $tableToCheck, $highestId->max));
                $highestId = DB::table($tableToCheck)->select(DB::raw('MAX(id)'))->first();
                $nextId    = DB::table($tableToCheck)->select(DB::raw(sprintf('nextval(\'%s_id_seq\')', $tableToCheck)))->first();
                if ($nextId->nextval > $highestId->max) {
                    $this->friendlyInfo(sprintf('Table "%s" autoincrement corrected.', $tableToCheck));
                }
                if ($nextId->nextval <= $highestId->max) {
                    $this->friendlyWarning(sprintf('Arff! The nextval sequence is still all screwed up on table "%s".', $tableToCheck));
                }
            }
            if ($nextId->nextval >= $highestId->max) {
                $this->friendlyPositive(sprintf('Table "%s" autoincrement is correct.', $tableToCheck));
            }
        }

        return 0;
    }
}
