<?php

declare(strict_types=1);

namespace App\BusProNet\Model;

/**
 * Promo voucher validation response from BPN API.
 *
 * Represents a validated promotional voucher (Aktionsgutschein) applied per participant.
 * These vouchers provide discounts either as fixed amounts or percentages.
 */
final readonly class PromoVoucher
{
    public const APPLICABILITY_PER_PERSON = 'P';
    public const APPLICABILITY_PER_BOOKING = 'B';

    public function __construct(
        public string $code,
        public string $description,
        public string $applicability,
        public float $discountAmount,
        public float $discountPercentage,
        public float $minimumPrice,
    ) {
    }

    public function isPerPerson(): bool
    {
        return self::APPLICABILITY_PER_PERSON === $this->applicability;
    }

    public function isPerBooking(): bool
    {
        return self::APPLICABILITY_PER_BOOKING === $this->applicability;
    }
}