<?php

declare(strict_types=1);

use App\Services\Sms\SmsOutgoing;
use App\Services\Sms\SmsProvider;
use App\Services\Sms\SmsRouter;
use App\Services\Sms\SmsSendResult;
use Carbon\CarbonImmutable;

function failover_provider(string $key, array $operators): SmsProvider
{
    return new class($key, $operators) implements SmsProvider
    {
        public function __construct(private string $k, private array $ops) {}

        public function key(): string
        {
            return $this->k;
        }

        public function servesOperators(): array
        {
            return $this->ops;
        }

        public function priceKopecks(string $operator): int
        {
            return 100;
        }

        public function send(SmsOutgoing $m): SmsSendResult
        {
            return new SmsSendResult('x', 1, 100, CarbonImmutable::now());
        }
    };
}

it('по умолчанию резерва нет — второй канал не отдаётся', function () {
    config()->set('services.sms.failover_to_universal', false);
    $router = new SmsRouter([
        failover_provider('mts', ['mts']),
        failover_provider('smsc', ['*']),
    ]);

    expect($router->fallbackFor('mts'))->toBeNull();
});

it('при включённом флаге резерв — универсал', function () {
    config()->set('services.sms.failover_to_universal', true);
    $router = new SmsRouter([
        failover_provider('mts', ['mts']),
        failover_provider('smsc', ['*']),
    ]);

    expect($router->fallbackFor('mts')?->key())->toBe('smsc');
});