<?php

namespace Tests\Unit\Services;

use App\Domain\DomainContext;
use App\Domain\DomainType;
use App\Models\UserShop;
use App\Models\User;
use App\Services\OptimizedDomainService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Cache;
use Tests\TestCase;

/**
 * OptimizedDomainService Unit Tests
 * 
 * Testet die Funktionalität des optimierten Domain-Services
 */
class OptimizedDomainServiceTest extends TestCase
{
    use RefreshDatabase;

    private OptimizedDomainService $domainService;
    private array $testConfig;

    protected function setUp(): void
    {
        parent::setUp();

        $this->testConfig = [
            'protocol' => 'https://',
            'domains' => [
                'main' => [
                    'host' => 'mivita.test',
                    'type' => 'main',
                ],
                'shop' => [
                    'host' => 'mivita.shop',
                    'type' => 'main-shop',
                    'default_user_shop' => 'aloevera',
                ],
                'crm' => [
                    'host' => 'my.mivita.test',
                    'type' => 'crm',
                ],
                'portal' => [
                    'host' => 'in.mivita.test',
                    'type' => 'portal',
                ],
                'checkout' => [
                    'host' => 'checkout.mivita.test',
                    'type' => 'checkout',
                ],
                'user-shop' => [
                    'host' => '{subdomain}.mivita.test',
                    'type' => 'user-shop',
                ],
            ],
            'reserved_subdomains' => ['my', 'in', 'checkout'],
        ];

        $this->domainService = new OptimizedDomainService($this->testConfig);
    }

    public function test_parse_main_domain(): void
    {
        $result = $this->domainService->parseDomain('mivita.test');

        $this->assertEquals('main', $result['type']);
        $this->assertEquals('mivita.test', $result['host']);
        $this->assertEquals('mivita', $result['domain']);
        $this->assertEquals('.test', $result['tld']);
        $this->assertNull($result['subdomain']);
    }

    public function test_parse_user_shop_domain(): void
    {
        $result = $this->domainService->parseDomain('berater.mivita.test');

        $this->assertEquals('user-shop', $result['type']);
        $this->assertEquals('berater.mivita.test', $result['host']);
        $this->assertEquals('berater', $result['subdomain']);
    }

    public function test_parse_reserved_subdomain(): void
    {
        $crmResult = $this->domainService->parseDomain('my.mivita.test');
        $portalResult = $this->domainService->parseDomain('in.mivita.test');

        $this->assertEquals('crm', $crmResult['type']);
        $this->assertEquals('portal', $portalResult['type']);
    }

    public function test_parse_invalid_domain(): void
    {
        $result = $this->domainService->parseDomain('invalid');

        $this->assertEquals('unknown', $result['type']);
        $this->assertEquals('invalid', $result['host']);
    }

    public function test_resolve_domain_with_user_shop(): void
    {
        // UserShop und User erstellen
        $user = User::factory()->create([
            'payment_shop' => now()->addMonths(1),
        ]);

        $userShop = UserShop::factory()->create([
            'slug' => 'testshop',
            'user_id' => $user->id,
            'active' => true,
        ]);

        $context = $this->domainService->resolveDomain('testshop.mivita.test');

        $this->assertEquals(DomainType::USER_SHOP, $context->type);
        $this->assertEquals('testshop.mivita.test', $context->host);
        $this->assertEquals('testshop', $context->subdomain);
        $this->assertNotNull($context->userShop);
        $this->assertEquals($userShop->id, $context->userShop->id);
    }

    public function test_resolve_domain_with_inactive_user_shop(): void
    {
        // Inaktiver UserShop
        UserShop::factory()->create([
            'slug' => 'inactive-shop',
            'active' => false,
        ]);

        $context = $this->domainService->resolveDomain('inactive-shop.mivita.test');

        $this->assertEquals(DomainType::UNKNOWN, $context->type);
        $this->assertNull($context->userShop);
    }

    public function test_build_url_for_main_domain(): void
    {
        $url = $this->domainService->buildUrl('main');
        $this->assertEquals('https://mivita.test', $url);

        $urlWithPath = $this->domainService->buildUrl('main', 'some/path');
        $this->assertEquals('https://mivita.test/some/path', $urlWithPath);
    }

    public function test_build_url_for_user_shop(): void
    {
        $url = $this->domainService->buildUrl('user-shop', null, 'myshop');
        $this->assertEquals('https://myshop.mivita.test', $url);

        $urlWithPath = $this->domainService->buildUrl('user-shop', 'products', 'myshop');
        $this->assertEquals('https://myshop.mivita.test/products', $urlWithPath);
    }

    public function test_build_url_throws_exception_for_unknown_type(): void
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->domainService->buildUrl('unknown-type');
    }

    public function test_build_url_throws_exception_for_user_shop_without_slug(): void
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->domainService->buildUrl('user-shop');
    }

    public function test_is_valid_user_shop(): void
    {
        $user = User::factory()->create([
            'payment_shop' => now()->addMonths(1),
        ]);

        $userShop = UserShop::factory()->create([
            'slug' => 'validshop',
            'user_id' => $user->id,
            'active' => true,
        ]);

        $this->assertTrue($this->domainService->isValidUserShop('validshop'));
        $this->assertFalse($this->domainService->isValidUserShop('nonexistent'));
    }

    public function test_get_user_shop(): void
    {
        $user = User::factory()->create([
            'payment_shop' => now()->addMonths(1),
        ]);

        $userShop = UserShop::factory()->create([
            'slug' => 'getshop',
            'user_id' => $user->id,
            'active' => true,
        ]);

        $result = $this->domainService->getUserShop('getshop');
        $this->assertNotNull($result);
        $this->assertEquals($userShop->id, $result->id);

        $nonExistent = $this->domainService->getUserShop('nonexistent');
        $this->assertNull($nonExistent);
    }

    public function test_cache_functionality(): void
    {
        Cache::flush();

        // Erstes Laden sollte DB-Query ausführen
        $result1 = $this->domainService->parseDomain('test.mivita.test');

        // Zweites Laden sollte aus Cache kommen
        $result2 = $this->domainService->parseDomain('test.mivita.test');

        $this->assertEquals($result1, $result2);
    }

    public function test_clear_user_shop_cache(): void
    {
        $user = User::factory()->create([
            'payment_shop' => now()->addMonths(1),
        ]);

        $userShop = UserShop::factory()->create([
            'slug' => 'cacheshop',
            'user_id' => $user->id,
            'active' => true,
        ]);

        // UserShop laden (wird gecacht)
        $this->domainService->getUserShop('cacheshop');

        // Cache löschen
        $this->domainService->clearUserShopCache('cacheshop');

        // Erneut laden sollte DB-Query ausführen
        $result = $this->domainService->getUserShop('cacheshop');
        $this->assertNotNull($result);
    }

    public function test_validate_configuration(): void
    {
        // Gültige Konfiguration
        $errors = $this->domainService->validateConfiguration();
        $this->assertEmpty($errors);

        // Ungültige Konfiguration
        $invalidService = new OptimizedDomainService([
            'domains' => [],
        ]);

        $errors = $invalidService->validateConfiguration();
        $this->assertNotEmpty($errors);
    }

    public function test_get_default_user_shop(): void
    {
        $user = User::factory()->create([
            'payment_shop' => now()->addMonths(1),
        ]);

        UserShop::factory()->create([
            'slug' => 'aloevera',
            'user_id' => $user->id,
            'active' => true,
        ]);

        $defaultShop = $this->domainService->getDefaultUserShop();
        $this->assertNotNull($defaultShop);
        $this->assertEquals('aloevera', $defaultShop->slug);
    }

    public function test_warm_up_cache(): void
    {
        $user = User::factory()->create([
            'payment_shop' => now()->addMonths(1),
        ]);

        UserShop::factory()->create([
            'slug' => 'warmup-shop',
            'user_id' => $user->id,
            'active' => true,
        ]);

        Cache::flush();

        // Cache aufwärmen
        $this->domainService->warmUpCache(['warmup-shop']);

        // Überprüfen, dass Daten im Cache sind
        $cachedShop = Cache::get('user_shop_warmup-shop');
        $this->assertNotNull($cachedShop);
    }

    public function test_subdomain_validation(): void
    {
        // Gültige Subdomains
        $validSubdomains = ['test', 'valid-shop', 'shop123'];
        foreach ($validSubdomains as $subdomain) {
            $result = $this->domainService->parseDomain($subdomain . '.mivita.test');
            $this->assertEquals('user-shop', $result['type']);
        }

        // Ungültige Subdomains
        $invalidSubdomains = ['a', 'ab', 'INVALID', 'invalid_shop', 'invalid.shop'];
        foreach ($invalidSubdomains as $subdomain) {
            $result = $this->domainService->parseDomain($subdomain . '.mivita.test');
            $this->assertEquals('unknown', $result['type']);
        }
    }

    public function test_reserved_subdomain_handling(): void
    {
        foreach ($this->testConfig['reserved_subdomains'] as $reserved) {
            $result = $this->domainService->parseDomain($reserved . '.mivita.test');
            $this->assertNotEquals('user-shop', $result['type']);
            $this->assertNotEquals('unknown', $result['type']);
        }
    }
}