<?php

namespace App\Tests\Sms;

use App\Sms\Provider\KavehNegarProvider;
use PHPUnit\Framework\TestCase;
use Psr\Log\NullLogger;
use Symfony\Component\HttpClient\MockHttpClient;
use Symfony\Component\HttpClient\Response\MockResponse;

/**
 * الزام: همه‌ی درخواست‌های کاوه‌نگار باید GET با query باشند (مطابق مستند رسمی)،
 * هرگز POST/body — GET بدنه ندارد پس Expect: 100-continue و idle timeout رخ نمی‌دهد.
 */
class KavehNegarProviderTest extends TestCase
{
    /** @var array<string,mixed> */
    private array $captured = [];

    private function provider(): KavehNegarProvider
    {
        $client = new MockHttpClient(function (string $method, string $url, array $options): MockResponse {
            $this->captured = ['method' => $method, 'url' => $url];
            return new MockResponse(json_encode(['return' => ['status' => 200]]));
        });

        return new KavehNegarProvider($client, new NullLogger(), 'TESTKEY', '10004346');
    }

    public function testSendTemplateUsesGetWithQuery(): void
    {
        $ok = $this->provider()->sendTemplate('09120671756', 'clinicpro-otp', ['token' => '1234']);

        $this->assertTrue($ok);
        $this->assertSame('GET', $this->captured['method']);
        $this->assertStringContainsString('/TESTKEY/verify/lookup.json', $this->captured['url']);
        $this->assertStringContainsString('receptor=09120671756', $this->captured['url']);
        $this->assertStringContainsString('template=clinicpro-otp', $this->captured['url']);
        $this->assertStringContainsString('token=1234', $this->captured['url']);
    }

    public function testSendUsesGetNotPost(): void
    {
        $this->provider()->send('09120671756', 'hello');

        $this->assertSame('GET', $this->captured['method']);
        $this->assertStringContainsString('/TESTKEY/sms/send.json', $this->captured['url']);
    }

    /** توکن بلند (نام فارسی) باید cap شود تا URL بزرگ نشود و کاوه‌نگار 431 ندهد. */
    public function testLongTokenIsCapped(): void
    {
        $long = str_repeat('ک', 200); // 200 کاراکتر فارسی
        $ok = $this->provider()->sendTemplate('09120671756', 'clinicpro-welcome', ['token' => $long]);

        $this->assertTrue($ok);
        parse_str(parse_url($this->captured['url'], PHP_URL_QUERY), $q);
        $this->assertLessThanOrEqual(60, mb_strlen($q['token'], 'UTF-8'));
    }

    /** خطای 4xx کاوه‌نگار (مثل 431) باید false برگرداند و throw نکند. */
    public function testHttpErrorReturnsFalseWithoutThrowing(): void
    {
        $client = new MockHttpClient(fn (): MockResponse => new MockResponse('too large', ['http_code' => 431]));
        $provider = new KavehNegarProvider($client, new NullLogger(), 'TESTKEY', '10004346');

        $this->assertFalse($provider->sendTemplate('09120671756', 'clinicpro-welcome', ['token' => 'x']));
        $this->assertFalse($provider->send('09120671756', 'hello'));
    }
}
