<?php

declare(strict_types=1);

namespace DoctrineMigrations;

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

/**
 * The append-only store behind the assignment and disposition statistics.
 *
 * Written by hand rather than diffed: the schema carries unrelated drift (JSON column
 * comments, a messenger index) that a generated diff would sweep in alongside this table.
 */
final class Version20260826000000 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Create statistics_event, the append-only store for assignment and disposition metrics';
    }

    public function up(Schema $schema): void
    {
        $this->addSql(<<<'SQL'
            CREATE TABLE statistics_event (
                id INT AUTO_INCREMENT NOT NULL,
                name VARCHAR(64) NOT NULL,
                occurred_at DATETIME NOT NULL COMMENT '(DC2Type:datetime_immutable)',
                actor_id INT DEFAULT NULL,
                actor_label VARCHAR(180) DEFAULT NULL,
                actor_role VARCHAR(32) DEFAULT NULL,
                assignment_id INT DEFAULT NULL,
                disposition_id INT DEFAULT NULL,
                application_id INT DEFAULT NULL,
                teamer_id INT DEFAULT NULL,
                destination_id INT DEFAULT NULL,
                job_profile_id INT DEFAULT NULL,
                hotel_code VARCHAR(8) DEFAULT NULL,
                payload JSON NOT NULL,
                INDEX IDX_A343D13C5E237E0687C03D1B (name, occurred_at),
                INDEX IDX_A343D13C5E237E06C0D0E610 (name, hotel_code),
                INDEX IDX_A343D13CD19302F8 (assignment_id),
                INDEX IDX_A343D13C4302FF75 (teamer_id),
                PRIMARY KEY(id)
            ) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB
        SQL);
    }

    public function down(Schema $schema): void
    {
        $this->addSql('DROP TABLE statistics_event');
    }
}