<?php

declare(strict_types=1);

namespace DoctrineMigrations;

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

final class Version20260914091500 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Adds resource groups (rooms of the office, areas of the car park)';
    }

    public function up(Schema $schema): void
    {
        $this->addSql('CREATE TABLE resource_group (id INT AUTO_INCREMENT NOT NULL, type VARCHAR(255) NOT NULL, label VARCHAR(50) NOT NULL, position INT NOT NULL, svg_element_id VARCHAR(50) DEFAULT NULL, UNIQUE INDEX uniq_resource_group_label (type, label), PRIMARY KEY (id)) DEFAULT CHARACTER SET utf8mb4');
        $this->addSql('ALTER TABLE resource ADD group_id INT DEFAULT NULL');
        // SET NULL rather than RESTRICT: a group is configuration describing the building, and
        // removing a room must leave its desks bookable rather than blocking the delete. The
        // plan falls back to drawing them without a frame.
        $this->addSql('ALTER TABLE resource ADD CONSTRAINT FK_BC91F416FE54D947 FOREIGN KEY (group_id) REFERENCES resource_group (id) ON DELETE SET NULL');
        $this->addSql('CREATE INDEX IDX_BC91F416FE54D947 ON resource (group_id)');
    }

    public function down(Schema $schema): void
    {
        $this->addSql('ALTER TABLE resource DROP FOREIGN KEY FK_BC91F416FE54D947');
        $this->addSql('DROP INDEX IDX_BC91F416FE54D947 ON resource');
        $this->addSql('ALTER TABLE resource DROP group_id');
        $this->addSql('DROP TABLE resource_group');
    }
}