<?php declare(strict_types=1);

namespace Komma\KMS\Globalization\Rules;

use Komma\KMS\Globalization\RegionInfo;
use Illuminate\Contracts\Validation\Rule;

/**
 * Class ValidCountryNativeName
 *
 * Validates a countries three letter iso region name. E.g NLD for Netherlands for examples
 */
class ValidCountryIso3 implements Rule
{
    /**
     * Create a new rule instance.
     *
     * @return void
     */
    public function __construct()
    {
    }

    /**
     * Determine if the validation rule passes.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function passes($attribute, $value)
    {
        $regionInfos = RegionInfo::getNeutralCultures()->filter(function(RegionInfo $regionInfo) use ($value) {
            return $regionInfo->getThreeLetterISORegionName() === $value;
        });
        return $regionInfos->count() == 1;
    }

    /**
     * Get the validation error message.
     *
     * @return string
     */
    public function message()
    {
        return __('globalisation.validation.country');
    }
}