<?php

use App\Exports\xExport;
use App\Http\Controllers\Admin\NewsletterListController;
use App\Http\Requests\Newsletter\NewsletterListFilterRequest;
use App\Models\ShoppingUser;
use App\Services\Newsletter\NewsletterListService;
use App\User;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Routing\Redirector;
use Illuminate\Validation\ValidationException;
use Maatwebsite\Excel\Facades\Excel;
use Symfony\Component\HttpFoundation\StreamedResponse;
use Tests\TestCase;

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

function newsletterAdmin(int $admin = 2): User
{
    return User::forceCreate([
        'email' => 'admin-'.uniqid('', true).'@example.com',
        'password' => bcrypt('secret'),
        'admin' => $admin,
        'lang' => 'de',
        'active' => 1,
        'blocked' => 0,
    ]);
}

/**
 * @param  array<string, mixed>  $params
 */
function newsletterRequest(User $user, array $params = []): NewsletterListFilterRequest
{
    $request = NewsletterListFilterRequest::create('/admin/newsletter-lists/datatable', 'GET', $params);
    $request->setUserResolver(fn () => $user);
    $request->setContainer(app())->setRedirector(app(Redirector::class));
    $request->validateResolved();
    app()->instance('request', $request);

    return $request;
}

function newsletterController(): NewsletterListController
{
    return new NewsletterListController(app(NewsletterListService::class));
}

/**
 * @param  array<string, mixed>  $attributes
 */
function newsletterListCustomer(array $attributes = []): ShoppingUser
{
    return ShoppingUser::forceCreate(array_merge([
        'auth_user_id' => 0,
        'billing_email' => 'kunde-'.uniqid('', true).'@example.com',
        'billing_firstname' => 'Erika',
        'billing_lastname' => 'Muster',
        'billing_salutation' => 'ms',
        'billing_address' => 'Musterweg 1',
        'billing_zipcode' => '12345',
        'billing_city' => 'Musterstadt',
        'billing_country_id' => 1,
        'shipping_country_id' => 1,
        'language' => 'de',
        'subscribed' => 1,
        'has_buyed' => 1,
        'faker_mail' => 0,
    ], $attributes));
}

it('verweigert Nicht-Admins den Zugriff auf die Filter-Anfrage', function () {
    $this->actingAs(newsletterAdmin(0));

    newsletterRequest(auth()->user(), ['source' => 'customers']);
})->throws(AuthorizationException::class);

it('lehnt ungültige Filterwerte ab', function () {
    $this->actingAs(newsletterAdmin());

    newsletterRequest(auth()->user(), ['source' => 'alle', 'created_from' => '2026-02-01', 'created_to' => '2026-01-01']);
})->throws(ValidationException::class);

it('liefert die Vorschau als Datatable-JSON mit Kennzahlen', function () {
    $admin = newsletterAdmin();
    $this->actingAs($admin);
    newsletterListCustomer(['billing_email' => 'a@example.com']);
    newsletterListCustomer(['billing_email' => 'A@example.com']);
    newsletterListCustomer(['billing_email' => 'b@example.com', 'subscribed' => 0]);

    $request = newsletterRequest($admin, ['source' => 'customers', 'draw' => 1, 'start' => 0, 'length' => 50]);
    $json = newsletterController()->datatable($request)->getData(true);

    expect($json['recordsTotal'])->toBe(2)
        ->and($json['stats']['total'])->toBe(2)
        ->and($json['stats']['duplicates'])->toBe(1)
        ->and(collect($json['data'])->pluck('email')->all())->toBe(['a@example.com', 'b@example.com'])
        ->and($json['data'][0]['name'])->toBe('Erika Muster')
        ->and($json['data'][0]['optin_label'])->toContain('badge-success')
        ->and($json['data'][1]['optin_label'])->toContain('badge-danger')
        ->and(get_user_attr('newsletter_list_filter')['source'])->toBe('customers');
});

it('exportiert die Liste als CSV mit BOM, Semikolon und Injection-Schutz', function () {
    $admin = newsletterAdmin();
    $this->actingAs($admin);
    newsletterListCustomer(['billing_email' => 'csv@example.com', 'billing_firstname' => '=SUMME(A1)']);

    $response = newsletterController()->export(newsletterRequest($admin, ['source' => 'customers', 'template_only' => 1]), 'csv');

    expect($response)->toBeInstanceOf(StreamedResponse::class);
    ob_start();
    $response->sendContent();
    $content = (string) ob_get_clean();
    $lines = explode("\n", trim($content));

    expect($content)->toStartWith("\xEF\xBB\xBF")
        ->and($lines[0])->toBe("\xEF\xBB\xBF".'Emailadresse;Vorname;Nachname;Anrede;Straße;PLZ;Wohnort;Firma;Berater')
        ->and($lines[1])->toBe("csv@example.com;'=SUMME(A1);Muster;Frau;\"Musterweg 1\";12345;Musterstadt;;")
        ->and($response->headers->get('content-disposition'))->toContain('newsletter_customers_de_'.now()->format('Y-m-d').'.csv');
});

it('exportiert die Liste als XLSX über die Export-Klasse', function () {
    Excel::fake();
    $admin = newsletterAdmin();
    $this->actingAs($admin);
    newsletterListCustomer(['billing_email' => 'xlsx@example.com']);

    newsletterController()->export(newsletterRequest($admin, ['source' => 'customers', 'language' => '']), 'xlsx');

    Excel::assertDownloaded('newsletter_customers_alle_'.now()->format('Y-m-d').'.xlsx', function (xExport $export) {
        $rows = $export->collection();

        return $export->headings()[0][0] === 'Emailadresse'
            && count($export->headings()[0]) === 17
            && $rows->count() === 1
            && $rows->first()[0] === 'xlsx@example.com';
    });
});

it('zeigt die Index-Seite mit gemerktem Filter', function () {
    $admin = newsletterAdmin();
    $this->actingAs($admin);
    set_user_attr('newsletter_list_filter', ['source' => 'both', 'language' => 'es', 'optin' => 'subscribed']);

    $view = newsletterController()->index(newsletterRequest($admin));

    expect($view->getName())->toBe('admin.newsletter.index')
        ->and($view->getData()['filter']['source'])->toBe('both')
        ->and($view->getData()['filter']['language'])->toBe('es')
        ->and($view->getData()['filter']['optin'])->toBe('subscribed');
});