<?php

namespace App\Http\Controllers\User;

use App\Http\Controllers\Controller;
use App\Http\Requests\Abo\AboOneTimeItemRequest;
use App\Http\Requests\Abo\UpdateAboCreditCardRequest;
use App\Mail\AboCardUpdateLinkMail;
use App\Models\AboCardUpdateLink;
use App\Models\Product;
use App\Models\ShoppingInstance;
use App\Models\UserAbo;
use App\Models\UserAboItem;
use App\Models\UserAboOneTimeItem;
use App\Repositories\AboRepository;
use App\Services\Abo\PaylineForecastService;
use App\Services\AboHelper;
use App\Services\AboItemHistoryService;
use App\Services\AboOneTimeService;
use App\Services\AboOrderCart;
use App\Services\AboPaymentMethodService;
use App\Services\AboRecoveryCheckoutService;
use App\Services\HTMLHelper;
use App\Services\OrderPaymentService;
use App\Services\Payment\PaymentProviderManager;
use App\Services\Shop;
use App\User;
use Request;
use Yard;

class AboController extends Controller
{
    /**
     * Relationen, die die Kundenabo-Liste je Zeile auswertet — inklusive
     * `user_abo_orders` fuer die Anzahl bezahlter Lieferungen
     * ({@see UserAbo::getCountPaidOrders()}). Ohne Vorladen entsteht dort eine
     * Abfrage pro dargestelltem Abo.
     *
     * @var string[]
     */
    private const CUSTOMER_LIST_RELATIONS = ['user_abo_items', 'user_abo_items.product', 'shopping_user', 'user_abo_orders'];

    protected $aboRepository;

    public function __construct(AboRepository $aboRepository)
    {
        $this->middleware('active.account');
        $this->aboRepository = $aboRepository;
    }

    public function index($view)
    {

        if ($view === 'me') {
            // Nur Abos des aktuellen Benutzers
            $baseQuery = UserAbo::where('user_id', \Auth::user()->id)
                ->where('status', '>=', 1)
                ->where('is_for', 'me');

            if ((clone $baseQuery)->where('status', 1)->exists()) {
                return view('user.abo.index', [
                    'user_abos' => (clone $baseQuery)->orderBy('id', 'desc')->get(),
                    'view' => 'me',
                    'isAdmin' => false,
                ]);
            }

            $user_abos = (clone $baseQuery)->orderBy('id', 'desc')->get();
            if ($user_abos->count() > 0) {
                return redirect(route('user_abos_detail', ['me', $user_abos->first()->id]));
            }

            return view('user.abo.index', [
                'user_abos' => $user_abos,
                'view' => 'me',
                'isAdmin' => false,
            ]);
        }

        if ($view === 'ot') {
            $selectedYear = (int) Request::get('year', now()->year);
            $selectedMonth = (int) Request::get('month', 0);
            $baseQuery = UserAbo::where('member_id', \Auth::user()->id)
                ->where('status', '>=', 1)
                ->where('is_for', 'ot');

            $user_abos = (clone $baseQuery)
                ->with(self::CUSTOMER_LIST_RELATIONS)
                ->addedInMonth($selectedYear, $selectedMonth)
                ->orderBy('id', 'desc')
                ->get();

            // Vorschau und Monatsspalte gelten fuer den laufenden Monat; bei einem
            // Filter auf einen anderen Monat waeren sie irrefuehrend.
            $isCurrentMonthView = $selectedMonth === 0
                || ($selectedMonth === (int) now()->month && $selectedYear === (int) now()->year);

            return view('user.abo.index', [
                'user_abos' => $user_abos,
                'abo_payment_links' => $this->getAboPaymentLinks(),
                'view' => 'ot',
                'isAdmin' => false,
                // Liefertag-Vorschau nur aus den eigenen Kundenabos
                // (Kundenwunsch 2026-09-07), und nur im laufenden Monat sinnvoll.
                'customerAboForecast' => $isCurrentMonthView
                    ? app(PaylineForecastService::class)->personalCustomerAboForecast(\Auth::user())
                    : null,
                // Je Abo die im laufenden Monat abgerechneten Punkte — inklusive
                // Einmal-Artikel, die nach der Ausfuehrung aus dem Abo verschwinden.
                // Ohne diese Spalte laesst sich die Vorschau oben nicht nachrechnen.
                'customerAboBilled' => $isCurrentMonthView
                    ? app(PaylineForecastService::class)->billedCustomerAboPointsByAbo(\Auth::user(), (int) now()->month, (int) now()->year)
                    : null,
                'customerAboBilledTotal' => $isCurrentMonthView
                    ? app(PaylineForecastService::class)->billedCustomerAboPoints(\Auth::user(), (int) now()->month, (int) now()->year)
                    : null,
                'chartData' => AboHelper::getMonthlyAboCounts($baseQuery, $selectedYear, 'ot', \Auth::user()->id),
                'chartYear' => $selectedYear,
                'chartYears' => HTMLHelper::getYearRange(2026),
                'chartMonths' => HTMLHelper::getTransMonths(),
                'filterMonth' => $selectedMonth,
                'filterYear' => $selectedYear,
            ]);
        }

        // Standardfall, wenn weder 'me' noch 'ot'
        return view('user.abo.index', [
            'user_abos' => [],
            'view' => 'me',
            'isAdmin' => false,
        ]);
    }

    public function detail($view, $id)
    {
        $data = Request::all();
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);

        // init Yard
        AboOrderCart::initYard($user_abo);
        // holt die aktuellen UserAccount Daten oder die Userdaten des Abo
        $customer_detail = AboOrderCart::getCustomerDetail();
        AboOrderCart::makeOrderYard($user_abo);
        $baseCompCount = Yard::instance(AboOrderCart::INSTANCE)->getNumComp();

        $oneTimeWindowOpen = AboHelper::isOneTimeFeatureVisible($user_abo);
        if ($oneTimeWindowOpen) {
            AboOrderCart::addOneTimeItemsToYard($user_abo);
            AboOrderCart::checkNumOfCompProducts($user_abo);
        }

        $comp_products = [];
        if ($user_abo->is_for === 'me') {
            $comp_products = Shop::getCompProducts('abo-me');
        }

        $summary = AboOrderCart::getSplitSummary();

        $data = [
            'user_abo' => $user_abo,
            'isAdmin' => false,
            'customer_detail' => $customer_detail,
            'view' => $view,
            'comp_products' => $comp_products,
            'one_time_window_open' => $oneTimeWindowOpen,
            'summary' => $summary,
            'base_comp_count' => $baseCompCount,
        ];

        return view('user.abo.detail', $data);
    }

    public function update($view, $id)
    {
        $data = Request::all();
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);
        $editView = \Auth::user()?->isAdmin() ? 'admin' : $view;
        // Add-only (Mindestlaufzeit) und Change-Lock richten sich nach der Abo-Sicht ($view),
        // NICHT nach Admin-Status – auf der Selbstbedienungs-Seite (view me/ot) gelten für alle
        // (auch VIP/Admin) die Berater-Regeln. Die Admin-Detailseite postet mit view=admin
        // (nur für Admins zugelassen, siehe checkPermissions) und umgeht beide Sperren.
        // $editView dient nur dem History-Logging.
        $isAddOnlyMode = AboHelper::isAddOnlyMode($user_abo, $view);
        $changeLocked = AboHelper::isAboChangeLocked($user_abo, $view);

        if (isset($data['action'])) {
            if ($data['action'] === 'abo_update_settings') {
                // Body-id kann von der Route abweichen: Berechtigungen erneut auf dem
                // tatsächlich bearbeiteten Abo prüfen. Die Sicht kommt ausschließlich aus
                // der (bereits geprüften) Route, nie aus dem Formular — sonst ließen sich
                // per view=admin sämtliche Selfservice-Regeln umgehen.
                $user_abo = UserAbo::findOrFail($data['id']);
                $this->checkPermissions($view, $user_abo);
                $data['view'] = $view;
                $this->aboRepository->setModel($user_abo);
                $this->aboRepository->update($data);

                return redirect(route('user_abos_detail', [$view, $id]));
            }

            if (Request::ajax()) {
                $message = false;
                // Yard für Gewichts-/Versandprüfung initialisieren (Versandland setzen)
                AboOrderCart::initYard($user_abo);

                if ($changeLocked) {
                    $message = AboHelper::lockMessage('error_change_locked', $user_abo, AboRepository::getLockDaysChange());
                }
                // addProduct
                if (! $changeLocked && $data['action'] === 'addProduct') {
                    if ($product = Product::find($data['product_id'])) {
                        if (AboOrderCart::exceedsMaxWeight($user_abo, (int) $product->weight)) {
                            $message = __('msg.cart_max_weight_reached');
                        } elseif ($UserAboItem = UserAboItem::where('user_abo_id', $user_abo->id)->where('product_id', $product->id)->where('comp', 0)->first()) {
                            $qtyBefore = $UserAboItem->qty;
                            $UserAboItem->qty = $UserAboItem->qty + 1;
                            $UserAboItem->save();
                            AboItemHistoryService::logProductAdded($user_abo, $UserAboItem, $qtyBefore, $editView);
                        } else {
                            $newItem = UserAboItem::create([
                                'user_abo_id' => $user_abo->id,
                                'product_id' => $product->id,
                                'comp' => 0,
                                'qty' => 1,
                                'status' => 1,
                            ]);
                            AboItemHistoryService::logProductAdded($user_abo, $newItem, 0, $editView);
                        }
                    }
                }

                // updateCart
                if (! $changeLocked && $data['action'] === 'updateCart') {
                    // product_id | order_item_id | cart_order_id | qty
                    if (isset($data['product_id']) && $product = Product::find($data['product_id'])) {
                        if (isset($data['order_item_id']) && $UserAboItem = UserAboItem::find($data['order_item_id'])) {
                            if (isset($data['qty'])) {
                                $qtyBefore = $UserAboItem->qty;
                                $qty = (int) $data['qty'];
                                $qty = $qty < 1 ? 1 : $qty;
                                $qty = $qty > 100 ? 100 : $qty;
                                if ($isAddOnlyMode && $qty < $UserAboItem->qty) {
                                    $qty = $UserAboItem->qty;
                                }
                                $additionalWeight = (int) $product->weight * ($qty - $qtyBefore);
                                if ($additionalWeight > 0 && AboOrderCart::exceedsMaxWeight($user_abo, $additionalWeight)) {
                                    $message = __('msg.cart_max_weight_reached');
                                } else {
                                    $UserAboItem->qty = $qty;
                                    $UserAboItem->save();
                                    AboItemHistoryService::logQtyChanged($user_abo, $UserAboItem, $qtyBefore, $qty, $editView);
                                }
                            }
                        }
                    }
                }

                // removeFromCart
                if (! $changeLocked && $data['action'] === 'removeFromCart') {
                    if ($isAddOnlyMode) {
                        return response()->json([
                            'response' => false,
                            'message' => __('abo.error_add_only_no_remove'),
                        ], 403);
                    }
                    if (! isset($data['product_id']) || ! ($product = Product::find($data['product_id']))) {
                        $message = __('abo.product_not_found');
                    }
                    if (! isset($data['order_item_id']) || ! ($userAboItem = UserAboItem::find($data['order_item_id']))) {
                        $message = __('abo.abo_item_not_found');
                    }
                    $has_basis_product = $this->check_need_basis_product($user_abo, $product, $data['order_item_id']);
                    if (! $has_basis_product) {
                        $message = __('abo.need_basis_product');
                    }
                    if (! $message) {
                        AboItemHistoryService::logProductRemoved($user_abo, $userAboItem, $editView);
                        $userAboItem->delete();
                        $user_abo->refresh(); // Abo neu laden um die aktualisierten Items zu erhalten
                    }
                }
                // updateCompProduct
                if (! $changeLocked && $data['action'] === 'updateCompProduct') {
                    if ($UserAboItem = UserAboItem::where('user_abo_id', $user_abo->id)->where('comp', $data['comp_num'])->first()) {
                        $oldProduct = $UserAboItem->product;
                        $UserAboItem->product_id = $data['comp_product_id'];
                        $UserAboItem->save();
                        $UserAboItem->load('product');
                        AboItemHistoryService::logCompProductChanged($user_abo, $UserAboItem, $oldProduct, $UserAboItem->product, $editView);
                    } else {
                        $newItem = UserAboItem::create([
                            'user_abo_id' => $user_abo->id,
                            'product_id' => $data['comp_product_id'],
                            'comp' => $data['comp_num'],
                            'qty' => 1,
                            'status' => 1,
                        ]);
                        AboItemHistoryService::logProductAdded($user_abo, $newItem, 0, $editView);
                    }
                }

                AboOrderCart::initYard($user_abo);
                AboOrderCart::makeOrderYard($user_abo); // reCalculateShippingPrice
                $baseCompCount = Yard::instance(AboOrderCart::INSTANCE)->getNumComp();
                if (AboHelper::isOneTimeFeatureVisible($user_abo)) {
                    AboOrderCart::addOneTimeItemsToYard($user_abo->fresh());
                }
                AboOrderCart::checkNumOfCompProducts($user_abo); // after reCalculateShippingPrice check it and remove or add comp product

                // Relation neu laden, damit die gerenderte Menge dem gespeicherten Stand
                // entspricht (sonst zeigt _order_abo_show die gecachte alte Menge → Feld „springt" zurück).
                $user_abo->load('user_abo_items');

                if ($user_abo->is_for === 'me') {
                    $data['comp_products'] = Shop::getCompProducts('abo-me');
                }
                $summary = AboOrderCart::getSplitSummary();
                $error_message = $message ? $message : false;
                $html_cart = view('admin.abo._order_abo_show', [
                    'user_abo' => $user_abo,
                    'error_message' => $error_message,
                    'split_mode' => AboHelper::isOneTimeFeatureVisible($user_abo),
                    'summary' => $summary,
                    'add_only_mode' => $isAddOnlyMode,
                    'change_locked' => $changeLocked,
                ])->render();
                $html_comp = view('user.order.comp_product', array_merge($data, [
                    'cart_instance' => AboOrderCart::INSTANCE,
                    'base_comp_count' => $baseCompCount,
                ]))->render();
                $html_summary = view('admin.abo._order_combined_summary', [
                    'summary' => $summary,
                ])->render();

                $amount = $user_abo->getFormattedAmount();

                // $html_total = view("user.homeparty.show_total_order", ['homeparty' => $homeparty])->render();
                return response()->json(['response' => true, 'data' => $data, 'html_cart' => $html_cart, 'html_comp' => $html_comp, 'html_summary' => $html_summary, 'amount' => $amount]);
            }
        }
    }

    public function oneTime(AboOneTimeItemRequest $request, $view, $id)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);
        // Add-only/Change-Lock nach Abo-Sicht ($view), kein Admin-Bypass (siehe update()).
        $isAddOnlyMode = AboHelper::isAddOnlyMode($user_abo, $view);
        $changeLocked = AboHelper::isAboChangeLocked($user_abo, $view);

        if (! AboHelper::isOneTimeFeatureVisible($user_abo)) {
            return response()->json([
                'response' => false,
                'message' => __('abo.onetime_window_closed'),
            ], 403);
        }

        AboOrderCart::initYard($user_abo);
        $message = (new AboOneTimeService)->handleAction($user_abo, $request->validated());

        AboOrderCart::initYard($user_abo);
        AboOrderCart::makeOrderYard($user_abo);
        $baseCompCount = Yard::instance(AboOrderCart::INSTANCE)->getNumComp();
        AboOrderCart::addOneTimeItemsToYard($user_abo->fresh());
        AboOrderCart::checkNumOfCompProducts($user_abo);

        $user_abo = $user_abo->fresh();
        $summary = AboOrderCart::getSplitSummary();
        $compProducts = $user_abo->is_for === 'me' ? Shop::getCompProducts('abo-me') : [];

        return response()->json([
            'response' => ! $message,
            'message' => $message ?: null,
            'summary' => $summary,
            'one_time_items' => $this->oneTimeItemsPayload($user_abo),
            'html_onetime' => view('admin.abo._order_onetime_show', [
                'user_abo' => $user_abo,
                'summary' => $summary,
                'error_message' => $message ?: false,
            ])->render(),
            'html_abo' => view('admin.abo._order_abo_show', [
                'user_abo' => $user_abo,
                'split_mode' => true,
                'summary' => $summary,
                'only_show_products' => false,
                'add_only_mode' => $isAddOnlyMode,
                'change_locked' => $changeLocked,
            ])->render(),
            'html_summary' => view('admin.abo._order_combined_summary', [
                'summary' => $summary,
            ])->render(),
            'html_comp' => view('user.order.comp_product', [
                'comp_products' => $compProducts,
                'cart_instance' => AboOrderCart::INSTANCE,
                'base_comp_count' => $baseCompCount,
            ])->render(),
        ]);
    }

    /**
     * @return array<int, array<string, mixed>>
     */
    private function oneTimeItemsPayload(UserAbo $user_abo): array
    {
        return $user_abo->one_time_items()->with('product')->get()->map(function (UserAboOneTimeItem $item) {
            return [
                'id' => $item->id,
                'product_id' => $item->product_id,
                'name' => $item->product?->getLang('name'),
                'qty' => $item->qty,
                'price' => $item->price,
                'total' => round($item->price * $item->qty, 2),
            ];
        })->all();
    }

    public function check_need_basis_product($user_abo, $product, $order_item_id)
    {
        // Wenn das zu entfernende Produkt kein Basis-Produkt ist, keine weitere Prüfung nötig
        if (AboHelper::getAboShowOn($product) !== 'base') {
            return true;
        }

        // Prüfe ob noch ein anderes Basis-Produkt vorhanden ist (nur reguläre Items, keine Comp-Produkte)
        foreach ($user_abo->user_abo_items as $user_abo_item) {
            if ($user_abo_item->id == $order_item_id) {
                continue;
            }
            if ($user_abo_item->comp) {
                continue;
            }
            if (AboHelper::getAboShowOn($user_abo_item->product) === 'base') {
                return true;
            }
        }

        return false;
    }

    public function datatable($user_abo_id)
    {
        $user_abo = UserAbo::findOrFail($user_abo_id);
        if (! $user_abo) {
            abort(404);
        }

        // $user_abo->is_for === 'me'

        $show_on_ids = ['12', '13'];
        $query = Product::select('products.*')
            ->where('active', true)
            ->where(function ($q) use ($show_on_ids) {
                foreach ($show_on_ids as $id) {
                    $q->orWhereJsonContains('show_on', $id);
                }
            })
            ->orderByRaw(
                "CASE 
                    WHEN JSON_CONTAINS(show_on, ?, '$') THEN 1
                    WHEN JSON_CONTAINS(show_on, ?, '$') THEN 2 
                    ELSE 3 END",
                [$show_on_ids[0], isset($show_on_ids[1]) ? $show_on_ids[1] : $show_on_ids[0]]
            );

        return \DataTables::eloquent($query)

            ->addColumn('add_card', function (Product $product) use ($user_abo) {
                $ufactor = $user_abo->is_for === 'me' ? true : false;
                $tax_free = $user_abo->is_for === 'me' ? true : Yard::instance(AboOrderCart::INSTANCE)->getUserTaxFree();

                $price = $product->getFormattedPriceWith($tax_free, $ufactor, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry());

                return '<button type="button" class="btn btn-sm btn-md-extra btn-secondary add-product-basket" data-product-id="'.$product->id.'" data-product-name="'.e($product->getLang('name')).'" data-product-price="'.$price.' &euro;">
                <strong>&euro; '.$price.'</strong>&nbsp; +<span class="ion ion-md-cart"></span>
                </button>';
            })
            ->addColumn('picture', function (Product $product) {
                if (count($product->images)) {
                    return '<img class="img-fluid img-extra" alt="" src="'.route('product_image', [$product->images->first()->slug]).'">';
                }

                return '';
            })
            ->addColumn('name', function (Product $product) {
                return '<strong>'.$product->getLang('name').'</strong><br>'.get_abo_type_badge_by_product($product);
            })
            ->addColumn('points', function (Product $product) {
                return '<span class="no-line-break">'.$product->getFormattedPoints().'</span>';
            })
            ->addColumn('price_net', function (Product $product) use ($user_abo) {
                $ufactor = $user_abo->is_for === 'me' ? true : false;

                return '<span class="no-line-break">'.$product->getFormattedPriceWith(true, $ufactor, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry()).' €</span>'.'<span class="no-line-break">'.$product->getFormattedPriceCurrencyWith(true, true, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry()).'</span>';
            })
            ->addColumn('price_gross', function (Product $product) use ($user_abo) {
                $ufactor = $user_abo->is_for === 'me' ? true : false;

                return '<span class="no-line-break">'.$product->getFormattedPriceWith(false, $ufactor, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry()).' €</span>'.'<span class="no-line-break">'.$product->getFormattedPriceCurrencyWith(true, true, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry()).'</span>';
            })
            ->addColumn('action', function (Product $product) {
                return '<button class="btn btn-default btn-sm icon-btn md-btn-flat product-tooltip" title="details" data-modal="modal-lg" 
                        data-toggle="modal" data-target="#modals-load-content" data-id="'.$product->id.'" data-route="'.route('modal_load').'"
                        data-action="user-order-show-product" data-view="customer"><i class="ion ion-md-eye"></i></button>';
            })
            ->filterColumn('product', function ($query, $keyword) {
                if ($keyword != '') {
                    $query->where('name', 'LIKE', '%'.$keyword.'%');
                }
            })
            ->orderColumn('name', 'name $1')
            ->orderColumn('product', 'name $1')
            ->orderColumn('number', 'number $1')
            ->orderColumn('points', 'points $1')
            ->orderColumn('price_net', 'price_net $1')
            ->orderColumn('price_gross', 'price_gross $1')
            ->orderColumn('contents_total', 'contents_total $1')
            ->orderColumn('weight', 'weight $1')

            ->rawColumns(['add_card', 'points', 'product', 'name', 'quantity', 'picture', 'price_net', 'price_gross', 'action'])
            ->make(true);
    }

    public function oneTimeDatatable($user_abo_id)
    {
        $user_abo = UserAbo::findOrFail($user_abo_id);

        abort_unless(AboHelper::isOneTimeFeatureVisible($user_abo), 403);

        AboOrderCart::initYard($user_abo);

        $show_on_ids = $user_abo->is_for === 'me' ? ['2'] : ['3'];
        $query = Product::select('products.*')
            ->where('active', true)
            ->where(function ($q) use ($show_on_ids) {
                foreach ($show_on_ids as $id) {
                    $q->orWhereJsonContains('show_on', $id);
                }
            })
            ->orderBy('name', 'asc');

        return \DataTables::eloquent($query)
            ->addColumn('add_card', function (Product $product) use ($user_abo) {
                $ufactor = $user_abo->is_for === 'me' ? true : false;
                $tax_free = $user_abo->is_for === 'me' ? true : Yard::instance(AboOrderCart::INSTANCE)->getUserTaxFree();

                $price = $product->getFormattedPriceWith($tax_free, $ufactor, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry());

                return '<button type="button" class="btn btn-sm btn-md-extra btn-warning add-onetime-product-basket" data-product-id="'.$product->id.'" data-product-name="'.e($product->getLang('name')).'" data-product-price="'.$price.' &euro;">
                <strong>&euro; '.$price.'</strong>&nbsp; +<span class="ion ion-md-cart"></span>
                </button>';
            })
            ->addColumn('picture', function (Product $product) {
                if (count($product->images)) {
                    return '<img class="img-fluid img-extra" alt="" src="'.route('product_image', [$product->images->first()->slug]).'">';
                }

                return '';
            })
            ->addColumn('name', function (Product $product) {
                return '<strong>'.$product->getLang('name').'</strong>';
            })
            ->addColumn('points', function (Product $product) {
                return '<span class="no-line-break">'.$product->getFormattedPoints().'</span>';
            })
            ->addColumn('price_net', function (Product $product) use ($user_abo) {
                $ufactor = $user_abo->is_for === 'me' ? true : false;

                return '<span class="no-line-break">'.$product->getFormattedPriceWith(true, $ufactor, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry()).' €</span>';
            })
            ->addColumn('price_gross', function (Product $product) use ($user_abo) {
                $ufactor = $user_abo->is_for === 'me' ? true : false;

                return '<span class="no-line-break">'.$product->getFormattedPriceWith(false, $ufactor, Yard::instance(AboOrderCart::INSTANCE)->getUserCountry()).' €</span>';
            })
            ->filterColumn('product', function ($query, $keyword) {
                if ($keyword != '') {
                    $query->where('name', 'LIKE', '%'.$keyword.'%');
                }
            })
            ->orderColumn('name', 'name $1')
            ->orderColumn('number', 'number $1')
            ->rawColumns(['add_card', 'points', 'name', 'picture', 'price_net', 'price_gross'])
            ->make(true);
    }

    /**
     * Startet den Recovery-Checkout für ein fehlgeschlagenes Abo: der Berater begleicht die offene
     * Folgerechnung seines EIGENEN Abos (view=me) über den Checkout mit frei wählbarer Zahlart.
     * Kein Kunden-Abo (ot), kein Admin-Bypass – das übernimmt der Kunde selbst im Portal.
     */
    public function payNow($view, $id, AboRecoveryCheckoutService $recoveryCheckout)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);

        if ($view !== 'me' || $user_abo->is_for !== 'me' || (int) $user_abo->user_id !== (int) \Auth::id()) {
            abort(403, 'Pay now is only allowed for the subscription owner.');
        }

        if ($user_abo->status !== 3 || ! $user_abo->active) {
            \Session()->flash('alert-error', __('abo.pay_now_not_allowed'));

            return redirect(route('user_abos_detail', [$view, $id]));
        }

        $url = $recoveryCheckout->buildCheckoutUrl($user_abo);
        if (! $url) {
            \Session()->flash('alert-error', __('abo.pay_now_failed'));

            return redirect(route('user_abos_detail', [$view, $id]));
        }

        return redirect()->away($url);
    }

    public function deletePending($view, $id)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);

        if (! $user_abo->canDeletePendingInitialPayment()) {
            \Session()->flash('alert-error', __('abo.pending_delete_not_allowed'));

            return redirect(route('user_abos', [$view]));
        }

        \DB::transaction(function () use ($user_abo) {
            $user_abo->delete();
        });

        \Session()->flash('alert-success', __('abo.pending_delete_success'));

        return redirect(route('user_abos', [$view]));
    }

    public function deletePaymentLink($identifier)
    {
        $shoppingInstance = ShoppingInstance::where('identifier', $identifier)->firstOrFail();
        $user = \Auth::user();
        $userShopId = $user && $user->shop ? $user->shop->id : null;

        if ((int) $shoppingInstance->user_shop_id !== (int) $userShopId || ! OrderPaymentService::isAboCustomerPaymentLink($shoppingInstance)) {
            abort(403);
        }

        if (! OrderPaymentService::canDeleteInstance($shoppingInstance)) {
            \Session()->flash('alert-error', __('abo.payment_link_delete_not_allowed'));

            return redirect(route('user_abos', ['ot']));
        }

        OrderPaymentService::deleteInstance($identifier);
        \Session()->flash('alert-success', __('abo.payment_link_delete_success'));

        return redirect(route('user_abos', ['ot']));
    }

    private function getAboPaymentLinks()
    {
        $user = \Auth::user();
        $userShopId = $user && $user->shop ? $user->shop->id : null;

        if (! $userShopId) {
            return collect();
        }

        return ShoppingInstance::where('user_shop_id', $userShopId)
            ->where('payment', 6)
            ->where('status', '<', 10)
            ->orderBy('created_at', 'desc')
            ->get()
            ->filter(fn (ShoppingInstance $shoppingInstance) => OrderPaymentService::isAboCustomerPaymentLink($shoppingInstance))
            ->reject(fn (ShoppingInstance $shoppingInstance) => OrderPaymentService::hasUserAboForPaymentLink($shoppingInstance, $user))
            ->values();
    }

    public function editPaymentMethod($view, $id)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);
        $this->assertOwnerCardEntry($view, $user_abo);

        if (! app(AboPaymentMethodService::class)->canStartChange($user_abo)) {
            \Session()->flash('alert-error', __('abo.card_update_not_allowed'));

            return redirect(route('user_abos_detail', [$view, $user_abo->id]));
        }

        return view('user.abo.payment_method', ['user_abo' => $user_abo, 'view' => $view]);
    }

    public function updatePaymentMethod(UpdateAboCreditCardRequest $request, $view, $id, AboPaymentMethodService $service)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);
        $this->assertOwnerCardEntry($view, $user_abo);

        $returnUrls = [
            'successurl' => route('user_abos_payment_method_return', [$view, $user_abo->id, 'success']),
            'errorurl' => route('user_abos_payment_method_return', [$view, $user_abo->id, 'error']),
            'backurl' => route('user_abos_payment_method_return', [$view, $user_abo->id, 'cancel']),
        ];

        $result = $service->updateCreditCard($user_abo, $request->toDto(), $returnUrls, 'crm');

        if ($result->isApproved()) {
            \Session()->flash('alert-success', __('abo.card_update_success'));

            return redirect(route('user_abos_detail', [$view, $user_abo->id]));
        }

        if ($result->isRedirect()) {
            session(['abo_card_update.'.$user_abo->id => [
                'carddata' => $result->carddata,
                'userid' => $result->userid,
            ]]);

            return redirect()->away($result->redirectUrl);
        }

        \Session()->flash('alert-error', $result->errorMessage ?? __('abo.card_update_failed'));

        return redirect(route('user_abos_payment_method_edit', [$view, $user_abo->id]))->withInput();
    }

    /**
     * Startet den Stripe-Setup-Flow "Zahlungsart ändern" (Plan S5): Redirect
     * zur Hosted-Seite, freie Zahlartenwahl, keine Abbuchung. Gilt auch für
     * PAYONE-Bestandsabos (Umzug auf Stripe bei Erfolg).
     */
    public function startStripePaymentMethodChange($view, $id, AboPaymentMethodService $service)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);
        $this->assertOwnerCardEntry($view, $user_abo);
        abort_unless($service->usesStripeChange(), 404);

        $result = $service->beginStripeChange(
            $user_abo,
            route('user_abos_payment_method_return', [$view, $user_abo->id, 'success']).'?session_id={CHECKOUT_SESSION_ID}',
            route('user_abos_payment_method_return', [$view, $user_abo->id, 'cancel']),
            'crm',
        );

        if ($result->isRedirect()) {
            return redirect()->away($result->redirectUrl);
        }

        \Session()->flash('alert-error', $result->errorMessage ?? __('abo.payment_method_change_failed'));

        return redirect(route('user_abos_payment_method_edit', [$view, $user_abo->id]));
    }

    public function paymentMethodReturn($view, $id, $status, AboPaymentMethodService $service)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);
        $this->assertOwnerCardEntry($view, $user_abo);

        // Stripe-Setup-Return (Plan S5): Session prüfen und Zahlungsart verankern.
        if ($status === 'success' && ($sessionId = request('session_id'))) {
            if ($service->finalizeStripeChangeFromSession($user_abo, (string) $sessionId, 'crm')) {
                \Session()->flash('alert-success', __('abo.payment_method_change_success'));
            } else {
                \Session()->flash('alert-error', __('abo.payment_method_change_failed'));
            }

            return redirect(route('user_abos_detail', [$view, $user_abo->id]));
        }

        $stash = session()->pull('abo_card_update.'.$user_abo->id);

        if ($status === 'success' && is_array($stash)) {
            $service->applyNewCard($user_abo, $stash['carddata'], (int) ($stash['userid'] ?? 0), 'crm');
            \Session()->flash('alert-success', __('abo.card_update_success'));

            return redirect(route('user_abos_detail', [$view, $user_abo->id]));
        }

        $user_abo->forceFill(['card_update_pending_at' => null])->save();
        \Session()->flash('alert-error', __('abo.card_update_failed'));

        return redirect(route('user_abos_detail', [$view, $user_abo->id]));
    }

    /**
     * Berater verschickt einen Kreditkarten-Update-Link an seinen Kunden (Kunden-Abo, view=ot).
     * Der Berater gibt die Karte NICHT selbst ein – der Kunde aktualisiert sie login-frei über den Link.
     */
    public function sendCardUpdateLink($view, $id)
    {
        $user_abo = UserAbo::findOrFail($id);
        $this->checkPermissions($view, $user_abo);

        if (app(PaymentProviderManager::class)->aboPaymentsFrozen()) {
            \Session()->flash('alert-error', __('payment.abo_payments_frozen'));

            return redirect(route('user_abos_detail', [$view, $user_abo->id]));
        }

        // Stripe-Setup-Flow: Link ist für jede Zahlart möglich (freie Wahl bei
        // Stripe); die "nur CC"-Einschränkung gilt nur für den PAYONE-Legacy-Flow.
        $requiresCreditCard = ! app(AboPaymentMethodService::class)->usesStripeChange();

        if ($view !== 'ot' || $user_abo->is_for !== 'ot' || ($requiresCreditCard && ! $user_abo->isCreditCard()) || ! app(AboPaymentMethodService::class)->canStartChange($user_abo)) {
            \Session()->flash('alert-error', __('abo.card_update_link_not_allowed'));

            return redirect(route('user_abos_detail', [$view, $user_abo->id]));
        }

        [$link, $token] = AboCardUpdateLink::generateFor($user_abo, (int) \Auth::id());

        \Mail::to($user_abo->email)->send(new AboCardUpdateLinkMail($user_abo, $token));

        \Session()->flash('alert-success', __('abo.card_update_link_sent'));

        return redirect(route('user_abos_detail', [$view, $user_abo->id]));
    }

    /**
     * Karteneingabe ausschließlich durch den Inhaber selbst (Berater-eigenes Abo, view=me).
     * Kein Admin-Bypass, keine Kunden-Abos (ot) – diese laufen über den Update-Link.
     */
    private function assertOwnerCardEntry($view, UserAbo $user_abo): void
    {
        if ($view !== 'me' || $user_abo->is_for !== 'me' || (int) $user_abo->user_id !== (int) \Auth::id()) {
            abort(403, 'Card entry is only allowed for the subscription owner.');
        }
    }

    private function checkPermissions($view, $user_abo)
    {
        \Log::info('checkPermissions', ['view' => $view, 'user_abo' => $user_abo]);
        $user = \Auth::user();

        // Admins dürfen alle Abos bearbeiten
        if ($user && $user->isAdmin()) {
            return;
        }

        // view=admin (und alle unbekannten Views) sind Nicht-Admins nicht erlaubt,
        // sonst würden sämtliche is_for-/Besitzer-Prüfungen unten übersprungen.
        if (! in_array($view, ['me', 'ot'], true)) {
            abort(403, 'Unauthorized action. Invalid view');
        }

        if ($view === 'me' && $user_abo->is_for !== 'me') {
            abort(403, 'Unauthorized action. Is not for me');
        }
        if ($view === 'ot' && $user_abo->is_for !== 'ot') {
            abort(403, 'Unauthorized action. Is not your customer');
        }
        if ($view === 'me' && $user_abo->user_id !== $user->id) {
            abort(403, 'Unauthorized action. Is not my abo');
        }
        if ($view === 'ot' && $user_abo->member_id !== $user->id) {
            abort(403, 'Unauthorized action. Is not my customer abo');
        }
    }
}