<?php

use App\Http\Controllers\Admin\CustomerPriorityController;
use App\Http\Controllers\CustomerController as AdminCustomerController;
use App\Models\Country;
use App\Models\ShoppingUser;
use App\Services\CustomerEmailChangeService;
use App\Services\CustomerPriorityOverviewService;
use App\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Facade;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\URL;
use Tests\TestCase;

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

beforeEach(function () {
    Mail::fake();
    URL::resolveMissingNamedRoutesUsing(
        fn (string $name, array $parameters) => '/'.$name.'/'.implode('/', $parameters)
    );

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

function cpoConsultant(array $attributes = []): User
{
    return User::forceCreate(array_merge([
        'email' => 'cpo-'.uniqid('', true).'@example.com',
        'password' => Hash::make('secret'),
        'lang' => 'de',
        'active' => 1,
    ], $attributes));
}

function cpoEntry(array $attributes = []): ShoppingUser
{
    return ShoppingUser::create(array_merge([
        'auth_user_id' => null,
        'member_id' => test()->first->id,
        'number' => 100,
        'billing_firstname' => 'Karola',
        'billing_lastname' => 'Home',
        'billing_address' => 'Weg 1',
        'billing_zipcode' => '11111',
        'billing_city' => 'Stadt',
        'billing_email' => 'karola@example.com',
        'billing_country_id' => test()->country->id,
        'shipping_country_id' => test()->country->id,
        'faker_mail' => false,
    ], $attributes));
}

/**
 * Datatable endpoints read their parameters from the current request.
 */
function cpoDatatable(string $method): array
{
    $request = Request::create('/datatable', 'GET', ['draw' => 1, 'start' => 0, 'length' => 50, 'search' => ['value' => '']]);
    app()->instance('request', $request);
    Facade::clearResolvedInstance('request');

    return app(CustomerPriorityController::class)->{$method}()->getData(true);
}

// --- Kunde bei mehreren Beratern ---

it('listet Kunden, deren E-Mail bei mehreren Beratern liegt, und markiert die älteste Zuordnung', function () {
    $oldest = cpoEntry();
    cpoEntry();
    $other = cpoEntry(['member_id' => $this->second->id, 'number' => 200]);
    cpoEntry(['billing_email' => 'eindeutig@example.com', 'number' => 300]);

    $conflicts = $this->overview->conflicts();

    expect($conflicts)->toHaveCount(1);
    $row = $conflicts->first();
    expect($row['email'])->toBe('karola@example.com')
        ->and($row['groups'])->toHaveCount(2)
        ->and($row['groups'][0]['member_id'])->toBe($this->first->id)
        ->and($row['groups'][0]['oldest'])->toBeTrue()
        ->and($row['groups'][0]['entries'])->toBe(2)
        ->and($row['groups'][0]['latest_id'])->not->toBe($oldest->id)
        ->and($row['groups'][1]['latest_id'])->toBe($other->id)
        ->and($row['groups'][1]['oldest'])->toBeFalse();
});

it('lässt offene Prüfungen, Beraterkonten und gelöschte Einträge aus der Konfliktliste', function () {
    cpoEntry();
    cpoEntry(['member_id' => $this->second->id, 'number' => 200, 'is_like' => true]);

    cpoEntry(['billing_email' => 'berater@example.com']);
    cpoEntry(['billing_email' => 'berater@example.com', 'member_id' => $this->second->id, 'number' => 201]);
    cpoConsultant(['email' => 'berater@example.com']);

    cpoEntry(['billing_email' => 'weg@example.com']);
    cpoEntry(['billing_email' => 'weg@example.com', 'member_id' => $this->second->id, 'number' => 202])
        ->forceFill(['gdpr_deleted_at' => now()])->save();

    expect($this->overview->conflicts())->toBeEmpty();
});

// --- Offene Prüfungen ---

it('zählt offene Prüfungen und abgelehnte E-Mail-Änderungen für das Menü', function () {
    $review = cpoEntry(['is_like' => true]);
    cpoEntry(['is_like' => true])->forceFill(['gdpr_deleted_at' => now()])->save();
    cpoEntry(['number' => 101]);
    app(CustomerEmailChangeService::class)->reportConflict($review, 'fremd@example.com');

    expect($this->overview->reviewsQuery()->pluck('id')->all())->toBe([$review->id])
        ->and($this->overview->openCount())->toBe(2)
        ->and($this->overview->counts())->toBe(['reviews' => 1, 'conflicts' => 0, 'email_changes' => 1]);
});

it('schließt einen Prüffall ohne Berater oder Nummer zu ändern', function () {
    $review = cpoEntry(['is_like' => true, 'member_id' => $this->second->id, 'number' => 555]);
    $review->setNotice('like', [99 => 100]);

    app(CustomerPriorityController::class)->keepAssignment($review->id);

    $review->refresh();
    expect($review->is_like)->toBeFalse()
        ->and($review->getNotice('like'))->toBeFalse()
        ->and($review->member_id)->toBe($this->second->id)
        ->and($review->number)->toBe(555);
});

// --- E-Mail-Änderungen ---

it('zeigt abgelehnte und wartende E-Mail-Änderungen, bis sie erledigt oder verworfen sind', function () {
    $service = app(CustomerEmailChangeService::class);
    $customer = cpoEntry();
    $blocked = $service->reportConflict($customer, 'fremd@example.com', $this->first->id);
    $pending = $service->request(cpoEntry(['number' => 101, 'billing_email' => 'b@example.com']), 'neu@example.com');
    $service->changeDirectly(cpoEntry(['number' => 102, 'billing_email' => 'c@example.com']), 'admin@example.com');

    expect($blocked->blocked_at)->not->toBeNull()
        ->and($this->overview->emailChangesQuery()->pluck('id')->sort()->values()->all())->toBe([$blocked->id, $pending->id]);

    $this->actingAs($this->first);
    $controller = app(CustomerPriorityController::class);
    $controller->resolveEmailChange($blocked->id, $service);
    $controller->discardEmailChange($pending->id, $service);

    expect($blocked->fresh()->resolved_by_user_id)->toBe($this->first->id)
        ->and($service->findConfirmable('egal'))->toBeNull()
        ->and($pending->fresh()->isConfirmable())->toBeFalse()
        ->and($this->overview->emailChangesQuery()->count())->toBe(0);
});

// --- Datatables ---

it('liefert die drei Listen als Datatable', function () {
    $review = cpoEntry(['is_like' => true, 'billing_email' => 'pruefung@example.com', 'number' => 400]);
    cpoEntry();
    cpoEntry(['member_id' => $this->second->id, 'number' => 200]);
    app(CustomerEmailChangeService::class)->reportConflict($review, 'fremd@example.com');

    $reviews = cpoDatatable('reviewsDatatable');
    $conflicts = cpoDatatable('conflictsDatatable');
    $changes = cpoDatatable('emailChangesDatatable');

    expect($reviews['recordsTotal'])->toBe(1)
        ->and($reviews['data'][0]['customer'])->toContain('pruefung@example.com')
        ->and($reviews['data'][0]['action'])->toContain('shopping-user-is-like-member')
        ->and($conflicts['recordsTotal'])->toBe(1)
        ->and($conflicts['data'][0]['groups'])->toContain('älteste Zuordnung')
        ->and($conflicts['data'][0]['groups'])->toContain('shopping-user-change-member')
        ->and($changes['recordsTotal'])->toBe(1)
        ->and($changes['data'][0]['status'])->toContain('abgelehnt');
});

// --- Berater zuweisen aus der Übersicht ---

it('führt nach "Berater zuweisen" zurück in die Übersicht und hängt alle Einträge des Kunden um', function () {
    cpoEntry();
    $moved = cpoEntry(['member_id' => $this->second->id, 'number' => 200]);
    cpoEntry(['member_id' => $this->second->id, 'number' => 200]);
    $back = route('admin_customer_priority', ['conflicts']);

    $request = Request::create('/admin/customer/edit/'.$moved->id, 'POST', [
        'action' => 'shopping-user-change-member',
        'id' => $moved->id,
        'change_member_key' => config('mivita.edit_data_pass'),
        'change_member_id' => $this->first->id,
        'customer_set_member_for' => '1',
        'back' => $back,
    ]);
    $request->setLaravelSession(app('session.store'));
    app()->instance('request', $request);
    Facade::clearResolvedInstance('request');

    $response = app(AdminCustomerController::class)->store($moved->id);

    expect($response->getTargetUrl())->toEndWith('/admin_customer_priority/conflicts')
        ->and(ShoppingUser::where('number', '!=', 100)->where('member_id', $this->second->id)->count())->toBe(0)
        ->and($this->overview->conflicts())->toBeEmpty();
});