<?php

namespace Tests\Unit;

use App\Services\LdapAttributeHelper;
use Carbon\Carbon;
use PHPUnit\Framework\Attributes\Test;
use Tests\TestCase;

class LdapAttributeHelperTest extends TestCase
{
    #[Test]
    public function it_passes_through_already_casted_date_objects(): void
    {
        // LdapRecord dla modeli AD sam rzutuje pola typu pwdLastSet na obiekty
        // daty - helper nie może ich mangować do null.
        $date = Carbon::parse('2026-09-03 11:26:45');

        $result = LdapAttributeHelper::windowsTimestampToCarbon($date);

        $this->assertInstanceOf(Carbon::class, $result);
        $this->assertSame('2026-09-03 11:26:45', $result->format('Y-m-d H:i:s'));
    }

    #[Test]
    public function it_converts_raw_windows_filetime_strings(): void
    {
        // 133697178050000000 = 2024-09-02 02:30:05 UTC
        $result = LdapAttributeHelper::windowsTimestampToCarbon('133697178050000000');

        $this->assertInstanceOf(Carbon::class, $result);
        $this->assertSame('2024-09-02', $result->format('Y-m-d'));
    }

    #[Test]
    public function it_returns_null_for_zero_and_never_values(): void
    {
        $this->assertNull(LdapAttributeHelper::windowsTimestampToCarbon('0'));
        $this->assertNull(LdapAttributeHelper::windowsTimestampToCarbon('9223372036854775807'));
        $this->assertNull(LdapAttributeHelper::windowsTimestampToCarbon(''));
        $this->assertNull(LdapAttributeHelper::windowsTimestampToCarbon(null));
    }
}