<?php

namespace Lc\ShopBundle\Services\Order;

use App\Entity\OrderProductReductionCatalog;
use App\Entity\OrderShop;
use Doctrine\ORM\EntityManagerInterface;
use Lc\ShopBundle\Context\DocumentInterface;
use Lc\ShopBundle\Context\MerchantUtilsInterface;
use Lc\ShopBundle\Context\OrderReductionCreditInterface;
use Lc\ShopBundle\Context\OrderShopInterface;
use Lc\ShopBundle\Context\OrderStatusHistoryInterface;
use Lc\ShopBundle\Context\PriceUtilsInterface;
use Lc\ShopBundle\Context\ProductFamilyUtilsInterface;
use Lc\ShopBundle\Context\ReductionCreditInterface;
use Lc\ShopBundle\Model\ProductFamily;
use Lc\ShopBundle\Services\CreditUtils;
use Lc\ShopBundle\Services\DocumentUtils;
use Lc\ShopBundle\Services\UserUtils;
use Lc\ShopBundle\Services\Utils;
use Symfony\Component\Routing\RouterInterface;

use Symfony\Component\Security\Core\Security;

class OrderUtils
{
        use OrderUtilsReductionTrait;
        use OrderUtilsStockTrait;
        use OrderUtilsPaymentTrait;
        use OrderUtilsDocumentTrait;
        use OrderUtilsCartTrait;

        protected $em;
        protected $security;
        protected $userUtils;
        protected $merchantUtils;
        protected $orderShopRepo;
        protected $reductionCreditRepo ;
        protected $orderReductionCreditRepo ;
        protected $documentRepo ;
        protected $priceUtils;
        protected $productFamilyUtils;
        protected $documentUtils;
        protected $utils;
        protected $creditUtils;
        protected $router;

        public function __construct(EntityManagerInterface $em, Security $security, RouterInterface $router, UserUtils $userUtils,
                                    MerchantUtilsInterface $merchantUtils, PriceUtilsInterface $priceUtils, ProductFamilyUtilsInterface $productFamilyUtils,
                                    DocumentUtils $documentUtils, Utils $utils, CreditUtils $creditUtils)
        {
                $this->em = $em;
                $this->security = $security;
                $this->userUtils = $userUtils;
                $this->merchantUtils = $merchantUtils;
                $this->orderShopRepo = $this->em->getRepository($this->em->getClassMetadata(OrderShopInterface::class)->getName());
                $this->reductionCreditRepo = $this->em->getRepository($this->em->getClassMetadata(ReductionCreditInterface::class)->getName());
                $this->orderReductionCreditRepo = $this->em->getRepository($this->em->getClassMetadata(OrderReductionCreditInterface::class)->getName());
                $this->documentRepo = $this->em->getRepository($this->em->getClassMetadata(DocumentInterface::class)->getName());
                $this->priceUtils = $priceUtils;
                $this->productFamilyUtils = $productFamilyUtils;
                $this->documentUtils = $documentUtils;
                $this->utils = $utils;
                $this->creditUtils = $creditUtils;
                $this->router = $router;
        }


        public function createOrderShop($params)
        {
                //TODO vérifier que l'utilisateur n'a pas déjà une commande en cours
                $orderShop = new OrderShop();

                $orderShopBelongTo = false;
                if (isset($params['user']) && $params['user']) {
                        $orderShopBelongTo = true;
                        $orderShop->setUser($params['user']);
                }
                if (isset($params['visitor']) && $params['visitor'] && !$orderShop->getUser()) {
                        $orderShopBelongTo = true;
                        $orderShop->setVisitor($params['visitor']);
                }

                if (!$orderShopBelongTo) {
                        throw new \ErrorException('La commande doit être liée à un utilisateur ou à un visiteur.');
                }

                if (isset($params['merchant']) && $params['merchant']) {
                        $orderShop->setMerchant($params['merchant']);
                } else {
                        throw new \ErrorException('La commande doit être liée à un merchant.');
                }

                $orderShop = $this->changeOrderStatus('cart', $orderShop);

                return $orderShop;
        }

        public function addOrderProduct($orderShop, $orderProductAdd, $persist = true)
        {

                $return = false;


                if (!$orderShop) {
                        $user = $this->security->getUser();
                        $visitor = $this->userUtils->getVisitorCurrent();

                        $orderShop = $this->createOrderShop([
                                'user' => $user,
                                'visitor' => $visitor,
                                'merchant' => $this->merchantUtils->getMerchantCurrent()
                        ]);
                }

                if($this->isOrderProductAvailableAddCart($orderProductAdd, $orderShop)) {
                        if ($orderProductAdd->getQuantityOrder() > 0) {
                                $updated = false;

                                $orderProductAdd->setTitle($orderProductAdd->getTitleOrderShop());
                                $orderProductAdd->setPrice($this->priceUtils->getPrice($orderProductAdd->getProduct()));
                                $orderProductAdd->setBuyingPrice($this->priceUtils->getBuyingPrice($orderProductAdd->getProduct()));
                                $orderProductAdd->setUnit($orderProductAdd->getProduct()->getUnitInherited());
                                $orderProductAdd->setTaxRate($orderProductAdd->getProduct()->getTaxRateInherited());
                                $orderProductAdd->setQuantityProduct($orderProductAdd->getProduct()->getQuantityInherited());

                                $productFamily = $this->productFamilyUtils->getProductFamilyBySlug($orderProductAdd->getProduct()->getProductFamily()->getSlug());
                                if($productFamily) {
                                        $reductionCatalog = $productFamily->getReductionCatalog();
                                        if ($reductionCatalog) {
                                                $orderProductReductionCatalog = new OrderProductReductionCatalog();
                                                $orderProductReductionCatalog->setTitle($reductionCatalog->getTitle());
                                                $orderProductReductionCatalog->setValue($reductionCatalog->getValue());
                                                $orderProductReductionCatalog->setUnit($reductionCatalog->getUnit());
                                                $orderProductReductionCatalog->setBehaviorTaxRate($reductionCatalog->getBehaviorTaxRate());

                                                $orderProductAdd->setOrderProductReductionCatalog($orderProductReductionCatalog);
                                        }
                                }

                                foreach ($orderShop->getOrderProducts() as $orderProduct) {
                                        if ($orderProduct->getProduct()->getId() == $orderProductAdd->getProduct()->getId()
                                                && $orderProduct->getRedelivery() == $orderProductAdd->getRedelivery()
                                                && (string) $this->priceUtils->getPrice($orderProduct) == (string) $this->priceUtils->getPrice($orderProductAdd)
                                                && $this->compareOrderProductReductionCatalog($orderProduct->getOrderProductReductionCatalog(), $orderProductAdd->getOrderProductReductionCatalog())) {

                                                $orderProduct->setQuantityOrder($orderProduct->getQuantityOrder() + $orderProductAdd->getQuantityOrder());

                                                if ($persist) {
                                                        $this->em->persist($orderProduct);
                                                }

                                                $updated = true;
                                                $return = true;

                                                break;
                                        }
                                }

                                if (!$updated) {
                                        $orderShop->addOrderProduct($orderProductAdd);

                                        if ($persist) {
                                                if (isset($orderProductReductionCatalog)) {
                                                        $this->em->persist($orderProductReductionCatalog);
                                                }
                                                $this->em->persist($orderProductAdd);
                                                $this->em->persist($orderShop);
                                        }

                                        $return = true;
                                }

                                if ($persist) {
                                        $this->em->flush();
                                }

                                $this->eventOrderShopChangeQuantity($orderShop) ;
                        }
                }
                else {
                        $availableQuantity = $orderProductAdd->getProduct()->getAvailableQuantityInherited() ;
                        $textError = "Le produit <strong>".$orderProductAdd->getTitleOrderShop()."</strong> n'est pas disponible" ;
                        if($availableQuantity !== false && $availableQuantity > 0) {
                                $unit = '' ;
                                if($orderProductAdd->getProduct()->getProductFamily()->getBehaviorCountStock() == ProductFamily::BEHAVIOR_COUNT_STOCK_BY_MEASURE) {
                                        $unit = $orderProductAdd->getProduct()->getUnitInherited()->getUnitReference()->getUnit() ;
                                }
                                $textError .= ' dans cette quantité ' ;

                                $user = $this->security->getUser() ;
                                if($user && $user->hasRole('ROLE_USER')) {
                                        $textError .= '<br />'.$availableQuantity.$unit.' disponible(s) dont '.$this->getQuantityOrderByProduct($orderShop, $orderProductAdd->getProduct()).$unit.' déjà dans votre panier.' ;
                                }
                        }
                        $this->utils->addFlash('error', $textError);
                }

                return $return ;
        }

        public function countQuantities($orderShop)
        {
                return $this->countQuantitiesByOrderProducts($orderShop->getOrderProducts());
        }

        public function countQuantitiesByOrderProducts($orderProducts = [])
        {
                $count = 0;

                foreach ($orderProducts as $orderProduct) {
                        $count += $orderProduct->getQuantityOrder();
                }

                return $count;
        }

        public function getOrderProductsByParentCategory($orderShop = null)
        {
                $categoriesArray = [];
                if ($orderShop) {
                        foreach ($orderShop->getOrderProducts() as $orderProduct) {
                                $productCategories = $orderProduct->getProduct()->getProductFamily()->getProductCategories();
                                $category = $productCategories[0]->getParentCategory();
                                $labelCategory = $category->getTitle();
                                if (!isset($categoriesArray[$labelCategory])) {
                                        $categoriesArray[$labelCategory] = [];
                                }
                                $categoriesArray[$labelCategory][] = $orderProduct;
                        }
                }

                return $categoriesArray;
        }

        public function getOrderDatas($order = null)
        {
                $data = [];
                if (!$order) {
                        $order = $this->getCartCurrent();
                }
                $data['order'] = $order;

                if ($order) {
                        $data['count'] = $this->countQuantities($order);
                        $data['total_with_tax'] = $this->priceUtils->getTotalWithTax($order);
                        $data['order_products_by_category'] = $this->getOrderProductsByParentCategory($order);
                }
                return $data;
        }


        public function getOrderAsJsonObject(OrderShopInterface $order)
        {
                $data['id'] = $order->getId();
                $data['user'] = $order->getUser()->getSummary();
                $data['orderStatus'] = $order->getOrderStatus()->__tosString();
                $data['deliveryAddress'] = $order->getDeliveryAddress()->getSummary();
                $data['invoiceAddress'] = $order->getInvoiceAddress()->getSummary();
                $data['total'] = $this->priceUtils->getTotal($order);
                $data['totalWithTax'] = $this->priceUtils->getTotalWithTax($order);
                $data['totalWithTaxAndReduction'] = $this->priceUtils->getTotalWithTax($order);
                $i = 0;
                foreach ($this->getOrderProductsByParentCategory($order) as $labelCategory => $orderProducts) {

                        foreach ($orderProducts as $orderProduct) {
                                $data['orderProducts'][$i]['id'] = $orderProduct->getId();
                                $data['orderProducts'][$i]['product'] = $orderProduct->getProduct()->getId();
                                $data['orderProducts'][$i]['quantityOrder'] = $orderProduct->getQuantityOrder();
                                $data['orderProducts'][$i]['labelCategory'] = $labelCategory;
                                $data['orderProducts'][$i]['title'] = $orderProduct->getTitle();
                                $data['orderProducts'][$i]['price'] = $this->priceUtils->getPrice($orderProduct);
                                $data['orderProducts'][$i]['priceWithTax'] = $this->priceUtils->getPriceWithTax($orderProduct);
                                $data['orderProducts'][$i]['priceWithTaxAndReduction'] = $this->priceUtils->getPriceWithTaxAndReduction($orderProduct);
                                $data['orderProducts'][$i]['quantity'] = $orderProduct->getQuantityOrder();
                                $data['orderProducts'][$i]['totalWithTaxAndReduction'] = $this->priceUtils->getTotalOrderProductsWithTaxAndReduction(array($orderProduct));
                                $i++;
                        }
                }

                return $data;
        }


        public function newOrderStatusHistory($order, $status, $origin = 'user')
        {
                $orderStatusHistoryClass = $this->em->getClassMetadata(OrderStatusHistoryInterface::class);
                $orderStatusHistory = new $orderStatusHistoryClass->name;
                $orderStatusHistory->setOrderShop($order);
                $orderStatusHistory->setOrderStatus($status);
                $orderStatusHistory->setOrigin($origin);
                $this->em->persist($orderStatusHistory);
        }


        public function mergeOrderShops($orderShop1, $orderShop2, $persist = true)
        {
                if ($orderShop1 && $orderShop2) {

                        foreach ($orderShop2->getOrderProducts() as $orderProduct) {

                                $orderProductAlreadyInCart = $this->hasOrderProductAlreadyInCart($orderShop1, $orderProduct) ;
                                if($orderProductAlreadyInCart) {
                                        if($orderProduct->getQuantityOrder() > $orderProductAlreadyInCart->getQuantityOrder()) {
                                                $orderShop1->removeOrderProduct($orderProductAlreadyInCart) ;
                                                $this->addOrderProduct($orderShop1, $orderProduct);
                                        }
                                }
                                else {
                                        $this->addOrderProduct($orderShop1, $orderProduct);
                                }

                                if($persist) {
                                        $this->em->remove($orderProduct);
                                }
                        }

                        if($persist) {
                                $this->em->remove($orderShop2);
                                $this->em->persist($orderShop1);
                                $this->em->flush();
                        }

                        return $orderShop1;
                }
        }


        public function hasOrderProductAlreadyInCart($orderShop, $orderProductTest)
        {
                foreach($orderShop->getOrderProducts() as $orderProduct) {
                        if($orderProduct->getProduct() == $orderProductTest->getProduct()) {
                                return $orderProduct ;
                        }
                }

                return false ;
        }

        public function groupOrderProductsByProductFamily($orderProducts)
        {
                $orderProductsByProductFamily = [];
                foreach ($orderProducts as $orderProduct) {
                        if ($orderProduct->getProduct() && $orderProduct->getProduct()->getProductFamily()) {
                                $productFamily = $orderProduct->getProduct()->getProductFamily();
                                if (!isset($orderProductsByProductFamily[$productFamily->getId()])) {
                                        $orderProductsByProductFamily[$productFamily->getId()] = [
                                                'order_products' => [],
                                                'total_quantity_weight' => 0,
                                        ];
                                }
                                $orderProductsByProductFamily[$productFamily->getId()]['order_products'][] = $orderProduct;
                                $orderProductsByProductFamily[$productFamily->getId()]['total_quantity_weight'] += ($orderProduct->getQuantityProduct() / $orderProduct->getUnit()->getCoefficient()) * $orderProduct->getQuantityOrder();
                        }
                }

                return $orderProductsByProductFamily;
        }

        public function isOrderShopPositiveAmount(OrderShopInterface $orderShop)
        {
                return $this->priceUtils->getTotalWithTax($orderShop) >= 0 ;
        }

        public function eventOrderShopChangeQuantity(OrderShopInterface $orderShop)
        {

        }
}