<?php

declare(strict_types=1);

namespace App\BusProNet\Model;

/**
 * Represents the result of parsing age constraint data from XML.
 *
 * This DTO holds the parsed age constraint information including both absolute age
 * constraints and birth year constraints, along with metadata for extensibility.
 */
class AgeConstraintResult
{
    /** @param array<string, mixed> $metadata */
    public function __construct(
        public readonly string $type,
        public readonly ?int $ageFrom = null,
        public readonly ?int $ageTo = null,
        public readonly ?int $birthYearFrom = null,
        public readonly ?int $birthYearTo = null,
        public readonly array $metadata = [],
        public readonly ?string $rawData = null,
    ) {
    }

    public function hasAgeConstraints(): bool
    {
        return null !== $this->ageFrom || null !== $this->ageTo;
    }

    public function hasBirthYearConstraints(): bool
    {
        return null !== $this->birthYearFrom || null !== $this->birthYearTo;
    }

    public function isEmpty(): bool
    {
        return false === $this->hasAgeConstraints() && false === $this->hasBirthYearConstraints();
    }
}