<?php

declare(strict_types=1);

namespace KTXM\Mail;

use InvalidArgumentException;
use KTXF\Event\Event;

final class CompositionSavedEvent extends Event {

    public function __construct(
        string $tenantId,
        private readonly string $userId,
        private readonly string $compositionId,
        private readonly int $revision,
    ) {
        if ($tenantId === '' || $this->userId === '' || $this->compositionId === '') {
            throw new InvalidArgumentException('Composition save events require tenant, user, and composition identifiers');
        }
        if ($this->revision < 0) {
            throw new InvalidArgumentException('Composition save event revision cannot be negative');
        }

        parent::__construct(
            self::class,
            [
                'userId' => $this->userId,
                'compositionId' => $this->compositionId,
                'revision' => $this->revision,
            ],
            $tenantId,
            $this->userId,
        );
    }

    public function userIdentifier(): string {
        return $this->userId;
    }

    public function compositionIdentifier(): string {
        return $this->compositionId;
    }

    public function revision(): int {
        return $this->revision;
    }
}