<?php

use App\Exceptions\GdprDeletionException;
use App\Models\Country;
use App\Models\Logger;
use App\Models\ShoppingOrder;
use App\Models\ShoppingUser;
use App\Models\UserShop;
use App\Services\GdprDeletionService;
use App\Services\ShoppingUserService;
use App\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Mail;
use Tests\TestCase;

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

beforeEach(function () {
    Mail::fake();

    $this->country = Country::create([
        'code' => 'DE',
        'phone' => '49',
        'en' => 'Germany',
        'de' => 'Deutschland',
        'es' => 'Alemania',
        'fr' => 'Allemagne',
        'it' => 'Germania',
        'ru' => 'Германия',
    ]);

    $this->member = User::forceCreate([
        'email' => 'gcl-member-'.uniqid('', true).'@example.com',
        'password' => Hash::make('secret'),
        'lang' => 'de',
    ]);

    $this->userShop = UserShop::create([
        'user_id' => $this->member->id,
        'name' => 'GCL'.substr(uniqid('', true), 0, 8),
        'slug' => 'gcl-'.uniqid(),
        'active' => true,
    ]);
});

function gclCustomer(array $attributes = []): ShoppingUser
{
    return ShoppingUser::create(array_merge([
        'auth_user_id' => 0,
        'member_id' => test()->member->id,
        'number' => 5100,
        'billing_firstname' => 'Susann',
        'billing_lastname' => 'Voigt',
        'billing_address' => 'Hauptstraße 1',
        'billing_zipcode' => '19243',
        'billing_city' => 'Wittenburg',
        'billing_phone' => '0123',
        'billing_email' => 'susann@example.com',
        'billing_country_id' => test()->country->id,
        'shipping_country_id' => test()->country->id,
    ], $attributes));
}

function gclOrderFor(ShoppingUser $customer): ShoppingOrder
{
    return ShoppingOrder::create([
        'shopping_user_id' => $customer->id,
        'auth_user_id' => 0,
        'country_id' => test()->country->id,
        'user_shop_id' => test()->userShop->id,
        'payment_for' => 6,
        'total' => 100,
        'subtotal' => 90,
    ]);
}

it('markiert alle Einträge bei der DSGVO-Löschung und meldet den Status im Modal', function () {
    $first = gclCustomer();
    $second = gclCustomer();
    gclOrderFor($first);

    $service = app(GdprDeletionService::class);
    $before = $service->analyzeShoppingUser($first);
    expect($before['all_gdpr_deleted'])->toBeFalse()
        ->and($before['gdpr_deleted_rows'])->toBe(0);

    $service->deleteShoppingUser($first, null);

    expect($first->fresh()->isGdprDeleted())->toBeTrue()
        ->and($second->fresh()->isGdprDeleted())->toBeTrue()
        ->and($first->fresh()->billing_lastname)->toBe('Voigt');

    $after = $service->analyzeShoppingUser($first->fresh());
    expect($after['all_gdpr_deleted'])->toBeTrue()
        ->and($after['gdpr_deleted_rows'])->toBe(2)
        ->and($after['gdpr_deleted_at'])->not->toBeNull();
});

it('blendet DSGVO-gelöschte Einträge über den Scope aus', function () {
    $deleted = gclCustomer();
    gclOrderFor($deleted);
    app(GdprDeletionService::class)->deleteShoppingUser($deleted, null);

    $other = gclCustomer(['number' => 5200, 'billing_email' => 'andere@example.com']);

    $visibleIds = ShoppingUser::query()->withoutGdprDeleted()->pluck('id')->all();

    expect($visibleIds)->toContain($other->id)
        ->not->toContain($deleted->id);
});

it('verhindert, dass Kontaktdaten in einen DSGVO-gelöschten Eintrag zurückgeschrieben werden', function (string $field, string $value) {
    $customer = gclCustomer();
    gclOrderFor($customer);
    app(GdprDeletionService::class)->deleteShoppingUser($customer, null);

    $customer = $customer->fresh();
    $customer->{$field} = $value;
    $customer->save();
})->with([
    'E-Mail' => ['billing_email', 'susann@example.com'],
    'Telefon' => ['billing_phone', '0123'],
    'Liefer-E-Mail' => ['shipping_email', 'susann@example.com'],
    'Liefer-Telefon' => ['shipping_phone', '0456'],
])->throws(GdprDeletionException::class);

it('erlaubt an DSGVO-gelöschten Einträgen weiterhin Änderungen ohne Kontaktdaten', function () {
    $customer = gclCustomer();
    gclOrderFor($customer);
    app(GdprDeletionService::class)->deleteShoppingUser($customer, null);

    $newMember = User::forceCreate([
        'email' => 'gcl-new-member-'.uniqid('', true).'@example.com',
        'password' => Hash::make('secret'),
        'lang' => 'de',
    ]);

    $customer = $customer->fresh();
    $customer->member_id = $newMember->id;
    $customer->save();

    expect($customer->fresh()->member_id)->toBe($newMember->id);
});

it('lässt eine erneute DSGVO-Löschung eines bereits gelöschten Kunden zu', function () {
    $customer = gclCustomer();
    gclOrderFor($customer);
    $service = app(GdprDeletionService::class);

    $service->deleteShoppingUser($customer, null);
    $firstDeletedAt = $customer->fresh()->gdpr_deleted_at;

    $service->deleteShoppingUser($customer->fresh(), null);

    expect($customer->fresh()->gdpr_deleted_at->equalTo($firstDeletedAt))->toBeTrue();
});

it('markiert auch komplett gelöschte Kunden ohne Bestellung', function () {
    $customer = gclCustomer();

    app(GdprDeletionService::class)->purgeShoppingUser($customer, null);

    $row = ShoppingUser::withTrashed()->find($customer->id);
    expect($row->trashed())->toBeTrue()
        ->and($row->isGdprDeleted())->toBeTrue();
});

it('setzt faker_mail bei DSGVO-gelöschten Einträgen nicht zurück', function () {
    $customer = gclCustomer();
    gclOrderFor($customer);
    app(GdprDeletionService::class)->deleteShoppingUser($customer, null);

    ShoppingUserService::setFakerMail($this->member);

    expect($customer->fresh()->faker_mail)->toBeTrue();
});

it('zieht protokollierte Löschungen nach, deren Kontaktdaten wieder befüllt wurden', function () {
    $restored = gclCustomer();
    $sibling = gclCustomer();
    gclOrderFor($restored);
    gclOrderFor($sibling);

    $service = app(GdprDeletionService::class);
    $service->deleteShoppingUser($sibling, null);

    // Zustand wie bei Kunde 45013: Kontaktdaten vor Einführung der Sperre wieder befüllt
    ShoppingUser::whereKey($restored->id)->update([
        'billing_email' => 'susann@example.com',
        'billing_phone' => '0123',
        'faker_mail' => false,
        'gdpr_deleted_at' => null,
    ]);

    $deletionLoggedAt = Logger::where('action', 'gdpr-delete-customer')->value('created_at');
    $this->travelTo($deletionLoggedAt->copy()->addDay());
    $lateCustomer = gclCustomer(['billing_email' => 'susann-neu@example.com']);
    gclOrderFor($lateCustomer);

    $preview = $service->repairLoggedShoppingUserDeletions(true);
    expect(array_column($preview, 'id'))->toBe([$restored->id])
        ->and($restored->fresh()->billing_email)->toBe('susann@example.com');

    $service->repairLoggedShoppingUserDeletions(false);

    $restored = $restored->fresh();
    expect($restored->billing_email)->toEndWith('@dsgvo.invalid')
        ->and($restored->billing_phone)->toBeNull()
        ->and($restored->isGdprDeleted())->toBeTrue()
        ->and($lateCustomer->fresh()->billing_email)->toBe('susann-neu@example.com')
        ->and($lateCustomer->fresh()->isGdprDeleted())->toBeFalse()
        ->and($service->repairLoggedShoppingUserDeletions(true))->toBe([]);
});