<?php

use App\Filament\Pages\DeploymentPackage;
use App\Models\DeploymentPackage as DeploymentPackageRecord;
use App\Models\FeatureFlag;
use App\Models\Role;
use App\Models\User;
use App\Services\Deployment\ChangeSetAnalyzer;
use App\Services\Deployment\DeploymentGuard;
use App\Services\Deployment\DeploymentPackageBuilder;
use App\Services\Deployment\GitRepository;
use App\Services\FeatureFlagRegistrar;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\Client\Factory;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Http;
use Livewire\Livewire;
use Symfony\Component\Process\Process;
use Tests\TestCase;

uses(TestCase::class, RefreshDatabase::class);

// Az oldal betöltéskor lekérdezi a környezetek deploy-version.json-ját - a tesztek
// nem indíthatnak valódi kimenő kérést.
beforeEach(function () {
    Http::fake();
});

/**
 * Fejlesztői gépet szimuláló környezet: az .env kapcsoló és a stage whitelist rendben.
 */
function deploymentAllowEnvironment(): void
{
    Config::set('deployment.enabled', true);
    Config::set('app.stage', 'local');
}

function deploymentDeveloper(bool $flagEnabled = true): User
{
    $role = Role::firstOrCreate(['name' => 'developer'], ['display_name' => 'Developer']);

    $user = User::factory()->create();
    $user->addRole($role);

    FeatureFlag::create([
        'name' => 'DeploymentPackage',
        'label' => 'Deployment csomagoló',
        'enabled' => $flagEnabled,
        'stages' => null,
        'roles' => ['developer'],
    ]);

    app(FeatureFlagRegistrar::class)->registerAll();

    return $user;
}

/**
 * @param  array<int, string>  $arguments
 */
function deploymentGit(string $path, array $arguments): string
{
    $process = new Process(array_merge(['git'], $arguments), $path);
    $process->mustRun();

    return $process->getOutput();
}

/**
 * Determinisztikus teszt-repó: átnevezés, törlés, ékezetes fájlnév és migráció is van benne.
 *
 * @return array{path:string, commits:array<int, string>}
 */
function deploymentTestRepository(): array
{
    $path = sys_get_temp_dir().DIRECTORY_SEPARATOR.'deployment-package-test-'.uniqid();

    File::makeDirectory($path.'/app', 0777, true);
    File::makeDirectory($path.'/database/migrations', 0777, true);
    File::makeDirectory($path.'/database/seeders', 0777, true);

    deploymentGit($path, ['init']);
    deploymentGit($path, ['config', 'user.email', 'teszt@example.com']);
    deploymentGit($path, ['config', 'user.name', 'Teszt']);
    deploymentGit($path, ['config', 'commit.gpgsign', 'false']);

    File::put($path.'/app/Elso.php', "<?php\n// elso\n");
    File::put($path.'/app/Regi.php', "<?php\n// regi\n");
    File::put($path.'/app/Atnevezendo.php', "<?php\n// atnevezendo\n");
    deploymentGit($path, ['add', '-A']);
    deploymentGit($path, ['commit', '-m', 'első commit']);
    deploymentGit($path, ['branch', '-M', 'main']);

    File::put($path.'/app/Elso.php', "<?php\n// elso modositva\n");
    File::put($path.'/app/Árlista.php', "<?php\n// ekezetes\n");
    File::put($path.'/database/migrations/2026_01_01_000000_teszt.php', "<?php\n// migracio\n");
    File::put($path.'/database/seeders/TesztSeeder.php', "<?php\n// seeder\n");
    File::put($path.'/.env', "APP_KEY=titok\n");
    deploymentGit($path, ['add', '-A', '-f']);
    deploymentGit($path, ['commit', '-m', "második commit\n\nA törzsben említett árlista részlet."]);

    deploymentGit($path, ['mv', 'app/Atnevezendo.php', 'app/Atnevezett.php']);
    deploymentGit($path, ['rm', 'app/Regi.php']);
    deploymentGit($path, ['commit', '-m', 'harmadik commit']);

    $log = trim(deploymentGit($path, ['log', '--reverse', '--pretty=format:%H']));

    Config::set('deployment.repo_path', $path);
    Config::set('deployment.output_path', $path.DIRECTORY_SEPARATOR.'_kimenet');

    return ['path' => $path, 'commits' => explode("\n", $log)];
}

function deploymentCleanup(string $path): void
{
    // A .git/objects tartalma Windowson csak olvasható, ezért törlés előtt fel kell oldani.
    foreach (File::allFiles($path, true) as $file) {
        @chmod($file->getPathname(), 0777);
    }

    try {
        File::deleteDirectory($path);
    } catch (Throwable) {
        // A takarítás nem futtathat el tesztet - a temp mappa maradványa nem befolyásol semmit.
    }
}

test('a kikapcsolt env kapcsoló mindenkitől elveszi a hozzáférést', function () {
    deploymentAllowEnvironment();
    Config::set('deployment.enabled', false);

    $developer = deploymentDeveloper();

    expect(app(DeploymentGuard::class)->isAllowed($developer))->toBeFalse()
        ->and(app(DeploymentGuard::class)->denialReason($developer))->toContain('DEPLOYMENT_PACKAGE_ENABLED');
});

test('a nem fejlesztői stage-en akkor sem érhető el, ha a kapcsoló be van kapcsolva', function () {
    deploymentAllowEnvironment();
    Config::set('app.stage', 'PROD');

    $developer = deploymentDeveloper();

    expect(app(DeploymentGuard::class)->isAllowed($developer))->toBeFalse()
        ->and(app(DeploymentGuard::class)->denialReason($developer))->toContain('fejlesztői környezetben');
});

test('a developer szerep nélküli felhasználó nem éri el', function () {
    deploymentAllowEnvironment();

    Role::create(['name' => 'admin', 'display_name' => 'Admin']);
    $admin = User::factory()->create();
    $admin->addRole(Role::where('name', 'admin')->first());

    FeatureFlag::create([
        'name' => 'DeploymentPackage',
        'label' => 'Deployment csomagoló',
        'enabled' => true,
        'stages' => null,
        'roles' => null,
    ]);
    app(FeatureFlagRegistrar::class)->registerAll();

    expect(app(DeploymentGuard::class)->isAllowed($admin))->toBeFalse();
});

test('a kikapcsolt feature flag elrejti a felületet a fejlesztő elől is', function () {
    deploymentAllowEnvironment();

    $developer = deploymentDeveloper(flagEnabled: false);

    expect(app(DeploymentGuard::class)->isAllowed($developer))->toBeFalse()
        ->and(DeploymentPackage::canAccess())->toBeFalse();
});

test('minden feltétel teljesülése esetén engedélyezett', function () {
    deploymentAllowEnvironment();

    $developer = deploymentDeveloper();

    expect(app(DeploymentGuard::class)->isAllowed($developer))->toBeTrue()
        ->and(app(DeploymentGuard::class)->denialReason($developer))->toBeNull();
});

test('a jogosulatlan felhasználó 403-at kap az oldal betöltésekor', function () {
    deploymentAllowEnvironment();

    $developer = deploymentDeveloper(flagEnabled: false);

    // Szándékosan valódi HTTP kérés: a Livewire::test() a HttpException-t válasszá
    // alakítja (RequestBroker: withoutExceptionHandling([HttpException::class])), így
    // ott nem a tényleges belépési pontot mérnénk.
    $this->actingAs($developer)
        ->get(DeploymentPackage::getUrl())
        ->assertForbidden();
});

test('a commitlista a legfrissebbtől visszafelé, fájlszámmal együtt jön', function () {
    $repository = deploymentTestRepository();

    $commits = app(GitRepository::class)->commits('main', 10);

    expect($commits)->toHaveCount(3)
        ->and($commits[0]['subject'])->toBe('harmadik commit')
        ->and($commits[2]['subject'])->toBe('első commit')
        ->and($commits[0]['hash'])->toHaveLength(40)
        ->and($commits[0]['file_count'])->toBe(2)
        // A törzs a tárgysor nélkül jön, és nem tapad hozzá a --shortstat sora sem.
        ->and($commits[1]['body'])->toBe('A törzsben említett árlista részlet.')
        ->and($commits[0]['body'])->toBe('');

    deploymentCleanup($repository['path']);
});

test('a keresés a commit törzsében is talál, nem csak a tárgysorban', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();

    $this->actingAs(deploymentDeveloper());

    Livewire::test(DeploymentPackage::class)
        ->set('data.search', 'árlista részlet')
        ->assertSee('második commit')
        ->assertDontSee('harmadik commit');

    deploymentCleanup($repository['path']);
});

test('a diff felismeri az új, módosult, törölt és átnevezett fájlokat', function () {
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $files = collect(app(GitRepository::class)->changedFiles($first, $third))->keyBy('path');

    expect($files->get('app/Elso.php')['status'])->toBe('M')
        ->and($files->get('app/Regi.php')['status'])->toBe('D')
        ->and($files->get('app/Atnevezett.php')['status'])->toBe('R')
        ->and($files->get('app/Atnevezett.php')['old_path'])->toBe('app/Atnevezendo.php')
        // Ékezetes útvonal: core.quotePath=false nélkül "app/\303\201rlista.php" jönne vissza.
        ->and($files->has('app/Árlista.php'))->toBeTrue();

    deploymentCleanup($repository['path']);
});

test('az elemzés kizárja a tiltott fájlokat és külön kezeli a törlendőket', function () {
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $changedFiles = app(GitRepository::class)->changedFiles($first, $third);
    $changeSet = app(ChangeSetAnalyzer::class)->analyze($changedFiles);

    expect($changeSet['copied'])->toContain('app/Árlista.php', 'app/Atnevezett.php', 'app/Elso.php')
        ->and($changeSet['copied'])->not->toContain('.env')
        ->and($changeSet['counts']['excluded'])->toBe(1)
        // A törölt fájl mellett az átnevezés régi útvonala is törlendő a célgépen.
        ->and($changeSet['deleted'])->toContain('app/Regi.php', 'app/Atnevezendo.php');

    $titles = collect($changeSet['warnings'])->pluck('title')->implode(' | ');

    expect($titles)->toContain('Migráció')
        ->and($titles)->toContain('Seeder')
        ->and($titles)->toContain('Törlendő fájl');

    deploymentCleanup($repository['path']);
});

test('a teendők kérik a queue worker és a scheduler újraindítását, a cache ürítés után', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $package = app(DeploymentPackageBuilder::class)->build('d2d', 'test', $first, $third);
    $teendok = File::get($package['path'].'/_TEENDOK.md');

    expect($teendok)->toContain('docker service update --force d2d-environment_queue')
        ->and($teendok)->toContain('docker service update --force d2d-environment_scheduler')
        // A 0 replikás scheduler miatt tudni kell, hogy a restart üresjárat lehet.
        ->and($teendok)->toContain('0 replikán fut');

    // A restartnak a cache ürítés UTÁN kell jönnie: a frissen induló worker különben
    // a régi, cache-elt konfigot töltené be.
    expect(strpos($teendok, 'docker service update'))->toBeGreaterThan(strpos($teendok, 'config:clear'));

    deploymentCleanup($repository['path']);
});

test('a queue worker nélküli környezetnél is kiderül, mit kell majd újraindítani', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $package = app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third);
    $teendok = File::get($package['path'].'/_TEENDOK.md');

    expect($teendok)->toContain('docker service update --force t2t_scheduler')
        ->and($teendok)->toContain('t2t_queue');

    deploymentCleanup($repository['path']);
});

test('a teendők között szerepel a seeder futtatása a konkrét osztálynévvel', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $package = app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third);
    $teendok = File::get($package['path'].'/_TEENDOK.md');

    expect($teendok)->toContain('php artisan db:seed --class=TesztSeeder')
        // A seeder puszta felmásolása nem futtatja le - ezt ki kell mondani.
        ->and($teendok)->toContain('NEM futtatja le')
        // A Pennant purge feltételes: Eloquent mentésnél a FeatureFlagObserver elvégzi.
        ->and($teendok)->toContain('pennant:purge')
        ->and($teendok)->toContain('cache:clear');

    deploymentCleanup($repository['path']);
});

test('az érvénytelen commit azonosítót nem adja tovább a gitnek', function () {
    $repository = deploymentTestRepository();

    $git = app(GitRepository::class);

    expect($git->resolveCommit('../../etc/passwd'))->toBeNull()
        ->and($git->resolveCommit('main; rm -rf /'))->toBeNull()
        ->and($git->resolveCommit('HEAD'))->toBeNull()
        ->and($git->resolveCommit($repository['commits'][0]))->toBe($repository['commits'][0]);

    deploymentCleanup($repository['path']);
});

test('a fordított tartomány felismerhető', function () {
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $git = app(GitRepository::class);

    expect($git->isAncestor($first, $third))->toBeTrue()
        ->and($git->isAncestor($third, $first))->toBeFalse();

    deploymentCleanup($repository['path']);
});

test('az oldal kilistázza a commitokat és a kijelölt tartomány fájljait', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $this->actingAs(deploymentDeveloper());

    Livewire::test(DeploymentPackage::class)
        ->assertSuccessful()
        ->assertSee('harmadik commit')
        ->call('selectFrom', $first)
        ->call('selectTo', $third)
        ->assertSet('fromCommit', $first)
        ->assertSet('toCommit', $third)
        ->assertSee('app/Atnevezett.php')
        ->assertSee('app/Regi.php');

    deploymentCleanup($repository['path']);
});

test('a csomag a commitolt tartalmat viszi, nem a working tree állapotát', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    // A working tree szándékos elrontása a commit után: ez nem kerülhet a csomagba.
    File::put($repository['path'].'/app/Árlista.php', "<?php\n// EZ NEM KERÜLHET A CSOMAGBA\n");

    $package = app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third);

    expect(File::get($package['path'].'/app/Árlista.php'))->not->toContain('NEM KERÜLHET')
        // A .gitattributes eol=lf miatt a git archive LF-fel ír, Windowson is.
        ->and(File::get($package['path'].'/app/Árlista.php'))->not->toContain("\r\n");

    deploymentCleanup($repository['path']);
});

test('a csomagból kimarad a kizárt és a kézzel kivett fájl, a törlendők külön listára kerülnek', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $package = app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third, ['app/Elso.php']);

    expect(File::exists($package['path'].'/app/Atnevezett.php'))->toBeTrue()
        ->and(File::exists($package['path'].'/app/Elso.php'))->toBeFalse()
        ->and(File::exists($package['path'].'/.env'))->toBeFalse()
        ->and(File::exists($package['path'].'/app/Regi.php'))->toBeFalse()
        ->and($package['counts']['skipped'])->toBe(1)
        ->and($package['counts']['missing'])->toBe(0);

    $torlendo = File::get($package['path'].'/_TORLENDO.txt');

    expect($torlendo)->toContain('app/Regi.php')
        ->and($torlendo)->toContain('app/Atnevezendo.php');

    deploymentCleanup($repository['path']);
});

test('a csomag rögzíti a kirakott verziót', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $package = app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third);

    $version = json_decode(File::get($package['path'].'/public/deploy-version.json'), true);

    expect($version['commit'])->toBe($third)
        ->and($version['target'])->toBe('e2e')
        ->and($version['branch'])->toBe('main');

    deploymentCleanup($repository['path']);
});

test('a limit fölötti fájlszámnál nem készül csomag', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    Config::set('deployment.max_files', 1);

    expect(fn () => app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third))
        ->toThrow(RuntimeException::class);

    expect(File::exists(config('deployment.output_path')))->toBeFalse();

    deploymentCleanup($repository['path']);
});

test('a csomagoló szerveren akkor sem indul el, ha közvetlenül hívják', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    Config::set('app.stage', 'PROD');

    expect(fn () => app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third))
        ->toThrow(RuntimeException::class);

    deploymentCleanup($repository['path']);
});

test('a felületről indított csomagolás létrehozza a mappát', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $this->actingAs(deploymentDeveloper());

    $component = Livewire::test(DeploymentPackage::class)
        ->call('selectFrom', $first)
        ->call('selectTo', $third)
        ->call('toggleFile', 'app/Elso.php')
        ->call('createPackage');

    $package = $component->get('lastPackage');

    // Alapértelmezett célkörnyezet a d2d: azt frissítjük sűrűbben.
    expect($package)->not->toBeNull()
        ->and($package['name'])->toStartWith('deploy_d2d_')
        ->and(File::isDirectory($package['path']))->toBeTrue()
        ->and($package['skipped'])->toBe(['app/Elso.php']);

    deploymentCleanup($repository['path']);
});

test('a csomagolás naplóbejegyzést és letölthető ZIP-et hagy maga után', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $this->actingAs(deploymentDeveloper());

    Livewire::test(DeploymentPackage::class)
        ->call('selectFrom', $first)
        ->call('selectTo', $third)
        ->call('createPackage');

    $record = DeploymentPackageRecord::query()->latest('id')->first();

    expect($record)->not->toBeNull()
        ->and($record->target)->toBe('d2d')
        ->and($record->to_commit)->toBe($third)
        ->and($record->deployed_at)->toBeNull()
        ->and(File::exists($record->zip_path))->toBeTrue();

    Livewire::test(DeploymentPackage::class)
        ->call('downloadPackage', $record->id)
        ->assertFileDownloaded();

    deploymentCleanup($repository['path']);
});

test('a kirakottként megjelölt csomag adja a következő tartomány kezdetét', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, $second, $third] = $repository['commits'];

    $this->actingAs(deploymentDeveloper());

    // Az alapértelmezett célkörnyezetre készül, hogy a második oldalbetöltés is ezt töltse elő.
    $record = DeploymentPackageRecord::create([
        'name' => 'deploy_d2d_teszt',
        'target' => 'd2d',
        'branch' => 'main',
        'from_commit' => $first,
        'to_commit' => $second,
        'folder' => $repository['path'],
    ]);

    Livewire::test(DeploymentPackage::class)
        ->call('markDeployed', $record->id)
        ->assertSet('fromCommit', $second);

    expect($record->refresh()->deployed_at)->not->toBeNull();

    // Új oldalbetöltésnél is a kirakott commitról indul a tartomány.
    Livewire::test(DeploymentPackage::class)->assertSet('fromCommit', $second);

    deploymentCleanup($repository['path']);
});

test('a kimeneti mappán kívüli ZIP útvonal nem tölthető le', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $this->actingAs(deploymentDeveloper());

    // Elrontott (vagy szándékosan átírt) rekord: a fájl létezik, de a csomagoló
    // kimeneti mappáján kívül van.
    $record = DeploymentPackageRecord::create([
        'name' => 'deploy_e2e_hamis',
        'target' => 'e2e',
        'branch' => 'main',
        'from_commit' => $first,
        'to_commit' => $third,
        'folder' => $repository['path'],
        'zip_path' => base_path('composer.json'),
    ]);

    Livewire::test(DeploymentPackage::class)
        ->call('downloadPackage', $record->id)
        ->assertNoFileDownloaded();

    deploymentCleanup($repository['path']);
});

test('a törlő szkript dry runban fut és ellenőrzi az app gyökeret', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [$first, , $third] = $repository['commits'];

    $package = app(DeploymentPackageBuilder::class)->build('e2e', 'main', $first, $third);
    $script = File::get($package['path'].'/_torles.sh');

    expect($script)->toStartWith('#!/usr/bin/env bash')
        ->and($script)->toContain('[[ -f artisan && -d app ]]')
        ->and($script)->toContain('"app/Regi.php"')
        // Windowson generáljuk, Linuxon fut: CRLF-fel a shebang sor törne el.
        ->and($script)->not->toContain("\r\n");

    deploymentCleanup($repository['path']);
});

test('az oldal alapból a d2d környezetet ajánlja és betöltéskor lekérdezi az élő állapotot', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();
    [, , $third] = $repository['commits'];

    // A beforeEach-ben regisztrált catch-all stub minden URL-re illeszkedik, és a
    // Http factory az ELSŐ találatot adja vissza - ezért itt új factory kell, különben
    // az üres törzsű alapértelmezett válasz nyerne a konkrét stub helyett.
    Http::swap(new Factory);
    Http::fake([
        '*deploy-version.json' => Http::response(['target' => 'd2d', 'commit' => $third, 'branch' => 'main']),
    ]);

    $this->actingAs(deploymentDeveloper());

    $component = Livewire::test(DeploymentPackage::class);

    expect($component->get('data')['target'])->toBe('d2d')
        // A lekérdezés gomb nélkül, magától megtörténik.
        ->and($component->get('liveVersions')['d2d']['ok'])->toBeTrue()
        ->and($component->get('liveVersions')['d2d']['data']['commit'])->toBe($third);

    deploymentCleanup($repository['path']);
});

test('az oldal nem fogad el kamu commit azonosítót', function () {
    deploymentAllowEnvironment();
    $repository = deploymentTestRepository();

    $this->actingAs(deploymentDeveloper());

    Livewire::test(DeploymentPackage::class)
        ->call('selectFrom', '../../etc/passwd')
        ->assertSet('fromCommit', null);

    deploymentCleanup($repository['path']);
});