<?php

declare(strict_types=1);

namespace Tests\Unit\Domain\Enums;

use Domain\Enums\Country;
use Domain\Exceptions\UnknownCountryIsoCodeException;

describe('CountryEnum', function () {
    it('returns iso code for France', function () {
        // GIVEN
        $country = Country::france;

        // WHEN
        $iso = $country->iso();

        // THEN
        expect($iso)->toBe('FR');
    });

    it('throws exception if iso code is missing', function () {
        // GIVEN
        $country = Country::afghanistan;

        // WHEN
        $action = fn () => $country->iso();

        // THEN
        expect($action)->toThrow(UnknownCountryIsoCodeException::class);
    });

    it('returns iso num for France', function () {
        // GIVEN
        $country = Country::france;

        // WHEN
        $isoNum = $country->isoNum();

        // THEN
        expect($isoNum)->toBe(250);
    });

    it('throws exception if iso num is missing', function () {
        // GIVEN
        $country = Country::afghanistan;

        // WHEN
        $action = fn () => $country->isoNum();

        // THEN
        expect($action)->toThrow(UnknownCountryIsoCodeException::class);
    });

    it('returns null if iso code is missing via isoCode method', function () {
        // GIVEN
        $country = Country::afghanistan;

        // WHEN
        $isoCode = $country->isoCode();

        // THEN
        expect($isoCode)->toBeNull();
    });

    it('can be created from iso code', function () {
        // GIVEN
        $iso = 'FR';

        // WHEN
        $country = Country::fromIsoCode($iso);

        // THEN
        expect($country)->toBe(Country::france);
    });

    it('throws exception if created from invalid iso code', function () {
        // GIVEN
        $iso = 'ZZ';

        // WHEN
        $action = fn () => Country::fromIsoCode($iso);

        // THEN
        expect($action)->toThrow(UnknownCountryIsoCodeException::class);
    });

    it('can list all iso codes', function () {
        // GIVEN
        $dummy = true;

        // WHEN
        $isoCodes = Country::toIsoCodes();

        // THEN
        expect($isoCodes)->toBeArray()->toHaveKey('france', 'FR');
    });
});