<?php

namespace Tests\Unit\Osint;

use App\Models\Target;
use App\Osint\Runners\DnsRunner;
use App\Osint\RunnerException;
use Tests\TestCase;

class DnsRunnerTest extends TestCase
{
    public function test_rejects_non_domain_targets(): void
    {
        $target = new Target(['type' => 'ip', 'value' => '8.8.8.8']);

        $this->expectException(RunnerException::class);

        (new DnsRunner)->run($target);
    }

    public function test_rejects_unsafe_domain_format(): void
    {
        $target = new Target(['type' => 'domain', 'value' => '../../etc/passwd']);

        $this->expectException(RunnerException::class);

        (new DnsRunner)->run($target);
    }

    /**
     * example.com is IANA-controlled and has had stable NS/A records for
     * decades — safe to rely on for a real (non-mocked) DNS lookup.
     */
    public function test_resolves_a_real_stable_domain(): void
    {
        $target = new Target(['type' => 'domain', 'value' => 'example.com']);

        $result = (new DnsRunner)->run($target);

        $this->assertArrayHasKey('NS', $result->raw);
        $this->assertNotEmpty($result->raw['NS']);
        $this->assertStringContainsString('DNS record', $result->summary);
    }

    public function test_reports_no_records_for_a_nonexistent_domain(): void
    {
        $target = new Target(['type' => 'domain', 'value' => 'this-domain-should-not-exist-osint-test.invalid']);

        $result = (new DnsRunner)->run($target);

        $this->assertSame([], $result->raw);
        $this->assertSame('No DNS records found.', $result->summary);
    }
}