<?php

namespace App\Services;

use App\Models\Product;
use App\Models\ShippingCountry;
use App\Models\ShoppingUser;
use App\Models\UserAboItem;
use App\User;
use Yard;

class AboOrderCart
{
    private static $user_abo;

    private static $is_for;

    private static $customer_detail;

    public static function initYard($user_abo)
    {

        // WICHTIG: Statische Variablen zurücksetzen, um sicherzustellen, dass keine Daten
        // aus vorherigen Abos verwendet werden
        self::$user_abo = $user_abo;
        self::$is_for = null;
        self::$customer_detail = null;

        // Yard komplett leeren - wichtig für Batch-Verarbeitung mehrerer Abos
        $yard = Yard::instance('shopping');
        $itemsBeforeDestroy = $yard->content()->count();
        $yard->destroy();

        \Log::info('AboOrderCart::initYard: Yard geleert', [
            'abo_id' => $user_abo->id,
            'items_vor_destroy' => $itemsBeforeDestroy,
        ]);
        $itemsAfterDestroy = $yard->content()->count();
        \Log::info('AboOrderCart::initYard: Yard geleert', [
            'abo_id' => $user_abo->id,
            'items_after_destroy' => $itemsAfterDestroy,
        ]);

        self::$customer_detail = self::makeCustomerDetail($user_abo);
        if ($user_abo->is_for === 'me') {
            self::$is_for = 'abo-me';
            if ($user_abo->user && $user_abo->user->account->same_as_billing) {
                $country_id = $user_abo->user->account->country_id;
            } else {
                $country_id = $user_abo->user->account->shipping_country_id;
            }
            if ($country_id && $shipping_country = ShippingCountry::whereCountryId($country_id)->first()) {
                if ($shipping_country->shipping && $shipping_country->shipping->active) {
                    UserService::initUserYard($user_abo->user, $shipping_country->id, 'abo-me');

                    return true;
                }
            }
            abort(403, 'Fehler: Versandland nicht gefunden');
        }
        if ($user_abo->is_for === 'ot') {
            self::$is_for = 'abo-ot-customer';
            UserService::initCustomerYard(self::$customer_detail, 'abo-ot-customer');

            return true;
        }

        return false;
    }

    public static function makeOrderYard($user_abo)
    {
        // WICHTIG: Statische Variablen explizit setzen für dieses Abo
        self::$user_abo = $user_abo;
        if ($user_abo->is_for === 'ot') {
            self::$is_for = 'abo-ot-customer';
        }
        if ($user_abo->is_for === 'me') {
            self::$is_for = 'abo-me';
        }

        // WICHTIG: Yard IMMER leeren, um sicherzustellen, dass keine Produkte aus vorherigen Aufrufen vorhanden sind
        // Dies ist besonders wichtig bei wiederholten Aufrufen der detail-Funktion (z.B. durch AJAX-Requests)
        $yard = Yard::instance('shopping');
        $itemsBefore = $yard->content()->count();
        $yard->destroy();

        if ($itemsBefore > 0) {
            \Log::warning('AboOrderCart::makeOrderYard: Yard war nicht leer vor makeOrderYard und wurde geleert', [
                'abo_id' => $user_abo->id,
                'items_before' => $itemsBefore,
            ]);
        }

        AboHelper::ensureUserAboItemsFromLatestOrder($user_abo);

        // Sicherstellen, dass die Items für dieses spezifische Abo geladen werden
        // Verwende fresh() um sicherzustellen, dass wir die aktuellen Daten haben
        $abo_items = $user_abo->user_abo_items()->get();
        \Log::info('AboOrderCart::makeOrderYard: Füge Produkte zum Cart hinzu', [
            'abo_id' => $user_abo->id,
            'item_count' => $abo_items->count(),
            'items' => $abo_items->map(function ($item) {
                return [
                    'id' => $item->id,
                    'product_id' => $item->product_id,
                    'qty' => $item->qty,
                    'comp' => $item->comp,
                ];
            })->toArray(),
        ]);

        foreach ($abo_items as $abo_item) {
            self::addProductToCart($abo_item);
        }
        Yard::instance('shopping')->reCalculateShippingPrice();

        $user_abo->amount = Yard::instance('shopping')->totalWithShipping(2, '.', '') * 100;
        $user_abo->save();
    }

    private static function addProductToCart($item)
    {

        $product = Product::find($item->product_id);
        $tax_free = Yard::instance('shopping')->getUserTaxFree();
        $user_country = Yard::instance('shopping')->getUserCountry();

        if ($product) {
            if ($item->comp) {
                $cartItem = Yard::instance('shopping')->add(
                    $product->id,
                    $product->getLang('name'),
                    1,
                    0,
                    false,
                    false,
                    [
                        'image' => '',
                        'slug' => $product->slug,
                        'weight' => 0,
                        'points' => 0,
                        'comp' => $item->comp,
                        'product_id' => $product->id,
                    ]
                );
                Yard::setTax($cartItem->rowId, 0);

                return true;
            }
            if (self::$is_for === 'ot-customer' || self::$is_for === 'abo-ot-customer') {
                $cartItem = Yard::instance('shopping')
                    ->add(
                        $product->id,
                        $product->getLang('name'),
                        $item->qty,
                        round($product->getPriceWith($tax_free, false, $user_country, false, self::$user_abo->user), 1),
                        false,
                        false,
                        ['image' => '', 'slug' => $product->slug, 'weight' => $product->weight, 'points' => $product->points, 'no_commission' => $product->no_commission, 'no_free_shipping' => $product->no_free_shipping, 'show_on' => $product->show_on]
                    );
            } else {
                $cartItem = Yard::instance('shopping')
                    ->add(
                        $product->id,
                        $product->getLang('name'),
                        $item->qty,
                        $product->getPriceWith($tax_free, true, $user_country, false, self::$user_abo->user),
                        false,
                        false,
                        ['image' => '', 'slug' => $product->slug, 'weight' => $product->weight, 'points' => $product->points, 'no_commission' => $product->no_commission, 'no_free_shipping' => $product->no_free_shipping, 'show_on' => $product->show_on]
                    );
            }
            if ($tax_free) {
                Yard::setTax($cartItem->rowId, 0);
            } else {
                Yard::setTax($cartItem->rowId, $product->getTaxWith($user_country));
            }
        }
    }

    public static function checkNumOfCompProducts($user_abo)
    {

        if ($user_abo->is_for === 'me') {
            $needNumComp = Yard::instance('shopping')->getNumComp();
            if ($needNumComp > 0) {
                $UserAboItems = UserAboItem::where('user_abo_id', $user_abo->id)->where('comp', '>', 0)->get();
                if (count($UserAboItems) === $needNumComp) {
                    return true;
                }

                // need to add
                if (count($UserAboItems) < $needNumComp) {
                    $product = Product::whereActive(true)->where('shipping_addon', true)->whereJsonContains('show_on', '12')->orderBy('pos', 'DESC')->first();
                    for ($i = count($UserAboItems); $i <= $needNumComp; $i++) {
                        $UserAboItem = UserAboItem::create([
                            'user_abo_id' => $user_abo->id,
                            'product_id' => $product->id,
                            'comp' => $i + 1,
                            'qty' => 1,
                            'status' => 1,
                        ]);
                        AboItemHistoryService::logSystemCompAdded($user_abo, $UserAboItem);
                        self::addProductToCart($UserAboItem);
                    }
                }
                // need to remove
                if (count($UserAboItems) > $needNumComp) {
                    foreach ($UserAboItems as $UserAboItem) {
                        if ($UserAboItem->comp > $needNumComp) {
                            AboItemHistoryService::logSystemCompRemoved($user_abo, $UserAboItem);
                            $UserAboItem->delete();
                        }
                    }
                    foreach (Yard::instance('shopping')->content() as $row) {
                        if ($row->options->comp > $needNumComp) {
                            Yard::instance('shopping')->remove($row->rowId);
                        }
                    }
                }
            }
        }
    }

    public static function getCustomerDetail()
    {
        return self::$customer_detail;
    }

    /* Need this, can change the address */
    public static function makeCustomerDetail($user_abo)
    {

        if ($user_abo->is_for === 'me') {
            // only on Abo!
            $user = $user_abo->user;

            // WICHTIG: Wenn bereits ein shopping_user existiert, diesen replizieren um alle Felder zu behalten
            // Ansonsten neues Objekt erstellen
            if ($user_abo->shopping_user) {
                $shopping_user = $user_abo->shopping_user->replicate();
                \Log::info('AboOrderCart::makeCustomerDetail: ShoppingUser repliziert für Abo ID: '.$user_abo->id, [
                    'abo_id' => $user_abo->id,
                    'original_shopping_user_id' => $user_abo->shopping_user->id,
                ]);
            } else {
                $shopping_user = new ShoppingUser;
                \Log::info('AboOrderCart::makeCustomerDetail: Neuer ShoppingUser erstellt für Abo ID: '.$user_abo->id);
            }

            // Account-Daten überschreiben/aktualisieren
            $shopping_user->billing_salutation = $user->account->salutation;
            $shopping_user->billing_company = $user->account->company;
            $shopping_user->billing_firstname = $user->account->first_name;
            $shopping_user->billing_lastname = $user->account->last_name;
            $shopping_user->billing_address = $user->account->address;
            $shopping_user->billing_address_2 = $user->account->address_2;
            $shopping_user->billing_zipcode = $user->account->zipcode;
            $shopping_user->billing_city = $user->account->city;
            $shopping_user->billing_country_id = $user->account->country_id;
            $shopping_user->billing_phone = $user->account->phone;
            $shopping_user->billing_email = $user->email ?? null;
            $shopping_user->language = $user->account->getLocale();

            // Auth User ID setzen falls noch nicht gesetzt
            if (! $shopping_user->auth_user_id) {
                $shopping_user->auth_user_id = $user->id;
            }
            if ($user->account->same_as_billing) {
                $shopping_user->shipping_salutation = $user->account->salutation;
                $shopping_user->shipping_company = $user->account->company;
                $shopping_user->shipping_firstname = $user->account->first_name;
                $shopping_user->shipping_lastname = $user->account->last_name;
                $shopping_user->shipping_address = $user->account->address;
                $shopping_user->shipping_address_2 = $user->account->address_2;
                $shopping_user->shipping_zipcode = $user->account->zipcode;
                $shopping_user->shipping_city = $user->account->city;
                $shopping_user->shipping_country_id = $user->account->country_id;
                $shopping_user->shipping_phone = $user->account->phone;
                $shopping_user->shipping_postnumber = $user->account->shipping_postnumber;
                $shopping_user->same_as_billing = 1;
            } else {
                $shopping_user->shipping_salutation = $user->account->shipping_salutation;
                $shopping_user->shipping_company = $user->account->shipping_company;
                $shopping_user->shipping_firstname = $user->account->shipping_firstname;
                $shopping_user->shipping_lastname = $user->account->shipping_lastname;
                $shopping_user->shipping_address = $user->account->shipping_address;
                $shopping_user->shipping_address_2 = $user->account->shipping_address_2;
                $shopping_user->shipping_zipcode = $user->account->shipping_zipcode;
                $shopping_user->shipping_city = $user->account->shipping_city;
                $shopping_user->shipping_country_id = $user->account->shipping_country_id;
                $shopping_user->shipping_phone = $user->account->shipping_phone;
                $shopping_user->shipping_postnumber = $user->account->shipping_postnumber;
                $shopping_user->same_as_billing = 0;
            }
        }

        if ($user_abo->is_for === 'ot') {
            // look for the primary user of this abo
            $shopping_user = $user_abo->shopping_user->replicate();
        }

        return $shopping_user;
    }
}