<?php

namespace Tests\Feature\Console;

use App\Extension\Vendor\VendorBundler;
use App\Extension\Vendor\VendorMode;
use App\Services\CoreUpdateService;
use Illuminate\Support\Facades\File;
use Tests\TestCase;

/**
 * core:update --vendor-mode 3 모드 Feature 테스트.
 *
 * 실제 core:update 커맨드를 풀 체인으로 검증하는 것은 마이그레이션/GitHub 연동 등
 * 사이드 이펙트가 크므로, CoreUpdateService::runVendorInstallInPending() 경로를
 * 중심으로 VendorResolver 분기 + 해시 검증 + zip 추출 동작을 격리 검증한다.
 */
class CoreUpdateWithBundleTest extends TestCase
{
    private CoreUpdateService $service;

    private string $pendingDir;

    protected function setUp(): void
    {
        parent::setUp();
        $this->service = app(CoreUpdateService::class);
        $this->pendingDir = storage_path('app/test-core-vendor-bundle-'.uniqid());
        File::ensureDirectoryExists($this->pendingDir);
    }

    protected function tearDown(): void
    {
        if (File::isDirectory($this->pendingDir)) {
            File::deleteDirectory($this->pendingDir);
        }
        parent::tearDown();
    }

    /**
     * 테스트용 _pending 디렉토리에 vendor-bundle.zip 을 생성합니다.
     */
    private function createPendingBundle(): void
    {
        File::put($this->pendingDir.'/composer.json', json_encode([
            'name' => 'test/core',
            'require' => ['php' => '^8.2'],
        ]));

        $zipPath = $this->pendingDir.'/vendor-bundle.zip';
        $zip = new \ZipArchive;
        $zip->open($zipPath, \ZipArchive::CREATE | \ZipArchive::OVERWRITE);
        $zip->addFromString('vendor/autoload.php', '<?php // test autoload');
        $zip->addFromString('vendor/laravel/framework/src/file.php', '<?php // framework');
        $zip->close();

        File::put($this->pendingDir.'/vendor-bundle.json', json_encode([
            'schema_version' => VendorBundler::SCHEMA_VERSION,
            'zip_sha256' => hash_file('sha256', $zipPath),
            'package_count' => 1,
        ]));
    }

    public function test_vendor_mode_bundled_extracts_bundle_zip(): void
    {
        $this->createPendingBundle();

        $result = $this->service->runVendorInstallInPending($this->pendingDir, VendorMode::Bundled);

        $this->assertSame(VendorMode::Bundled, $result->mode);
        $this->assertSame('bundled', $result->strategy);
        $this->assertFileExists($this->pendingDir.'/vendor/autoload.php');
        $this->assertFileExists($this->pendingDir.'/vendor/laravel/framework/src/file.php');
    }

    public function test_vendor_mode_bundled_fails_when_bundle_missing(): void
    {
        // composer.json 은 있지만 vendor-bundle.zip 없음
        File::put($this->pendingDir.'/composer.json', json_encode(['name' => 'test/core']));

        $this->expectException(\App\Extension\Vendor\Exceptions\VendorInstallException::class);
        $this->service->runVendorInstallInPending($this->pendingDir, VendorMode::Bundled);
    }

    public function test_vendor_mode_bundled_fails_on_tampered_zip(): void
    {
        $this->createPendingBundle();

        // zip 해시를 조작하여 무결성 검증 실패 유도
        $manifestPath = $this->pendingDir.'/vendor-bundle.json';
        $manifest = json_decode(File::get($manifestPath), true);
        $manifest['zip_sha256'] = hash('sha256', 'tampered');
        File::put($manifestPath, json_encode($manifest));

        $this->expectException(\App\Extension\Vendor\Exceptions\VendorInstallException::class);
        $this->service->runVendorInstallInPending($this->pendingDir, VendorMode::Bundled);
    }

    public function test_vendor_mode_composer_requires_composer_executor_fallback(): void
    {
        // composer 모드 요청이지만 실제 composer 실행은 스킵될 수 있는 환경
        // runVendorInstallInPending 은 내부적으로 CoreUpdateService::runComposerInstallInPending() 을
        // composerExecutor 로 전달하므로, composer 바이너리 존재 여부에 따라 동작이 달라짐.
        File::put($this->pendingDir.'/composer.json', json_encode(['name' => 'test/core']));

        // composer 모드에서 번들 zip 없어도 composer 실행을 시도하지 — zip 무결성 검증 불필요
        // 실제 실행은 환경에 따라 실패할 수 있으므로 예외 타입만 확인
        try {
            $this->service->runVendorInstallInPending($this->pendingDir, VendorMode::Composer);
            $this->assertTrue(true); // composer 실행 성공 (거의 없음)
        } catch (\Throwable $e) {
            $this->assertNotEmpty($e->getMessage());
        }
    }

    public function test_core_update_command_accepts_vendor_mode_option(): void
    {
        // 실제 core:update 는 풀 체인 실행이 복잡하므로 --help 출력에서 옵션 존재만 검증
        $this->artisan('core:update', ['--help' => true])
            ->expectsOutputToContain('--vendor-mode')
            ->assertExitCode(0);
    }
}