<?php

declare(strict_types=1);

namespace Domain\Models\ValueObjects\Coupon;

use Shared\Enums\Country;

final readonly class CouponValidityInformationArray
{
    public function __construct(
        /** @var CouponValidityInformation[] */
        public array $value,
    ) {
        if ($this->value === []) {
            throw new \DomainException('CouponValidityInformations requires at least one CouponValidityInformation.');
        }

        $hasFrance = false;
        $countries = [];

        foreach ($this->value as $couponValidityInformation) {
            if (! $couponValidityInformation instanceof CouponValidityInformation) {
                throw new \DomainException('Value of CouponValidityInformationArray must be CouponValidityInformation instances.');
            }

            if (isset($countries[$couponValidityInformation->forLocale->name])) {
                throw new \DomainException(sprintf(
                    'Only one CouponValidityInformation is allowed per country, duplicate for %s.',
                    $couponValidityInformation->forLocale->name,
                ));
            }

            $countries[$couponValidityInformation->forLocale->name] = true;

            if ($couponValidityInformation->forLocale === Country::FRANCE) {
                $hasFrance = true;
            }
        }

        if (! $hasFrance) {
            throw new \DomainException('CouponValidityInformations requires a CouponValidityInformation for France.');
        }
    }
}