<?php

declare(strict_types=1);

namespace DoctrineMigrations;

use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;

final class Version20231120225133 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Add user_previous_id column and its foreign key constraint';
    }

    public function up(Schema $schema): void
    {
        $this->addSql('ALTER TABLE roster ADD COLUMN user_previous_id INT DEFAULT NULL');
        $this->addSql('ALTER TABLE roster ADD CONSTRAINT fk_roster_user_previous FOREIGN KEY (user_previous_id) REFERENCES "user" (id)');
        $this->addSql('CREATE INDEX idx_roster_user_previous ON roster (user_previous_id)');
    }

    public function down(Schema $schema): void
    {
        $this->addSql('ALTER TABLE roster DROP CONSTRAINT fk_roster_user_previous');
        $this->addSql('DROP INDEX IF EXISTS idx_roster_user_previous');
        $this->addSql('ALTER TABLE roster DROP COLUMN user_previous_id');
    }
}