<?php

namespace IpSupply\ProductApiSyncErp\Api\Controller;

use IpSupply\ProductApiSyncErp\Api\Interface\ProductApiSyncErpInterface;
use Magento\Framework\App\Helper\Context;
use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\Webapi\Rest\Request;
use Magento\Framework\App\ObjectManager;
use Magento\Store\Model\StoreManagerInterface;
use Magento\Catalog\Model\ResourceModel\Product\CollectionFactory;

class ProductApiSyncErpController extends AbstractHelper implements ProductApiSyncErpInterface {
    protected $_request;
    protected $_objectManager;
    protected $_collection;
    protected $_storeManager;
    protected $_baseURL;

    public function __construct(Context $context, Request $request, CollectionFactory $collection, StoreManagerInterface $storeManager) {
        $this->_request = $request;
        $this->_objectManager = ObjectManager::getInstance();
        $this->_collection = $collection;
        $this->_storeManager = $storeManager;
        $this->_baseURL = $this->_storeManager->getStore()->getBaseUrl();
        parent::__construct($context);
    }

    public function getProduct() {
        try {
            $requestParams = $this->_request->getParams();
            $currentPage = isset($requestParams["current_page"]) ? $requestParams["current_page"] : 0;
            $limit = isset($requestParams["limit"]) ? $requestParams["limit"] : 100;
            $response = [];

            $productCollection = $this->_collection->create();
            $productCollection->addAttributeToSelect('*');
            $productCollection->addFieldToFilter('type_id', 'configurable');
            $productCollection->setPageSize($limit);
            $productCollection->setCurPage($currentPage);
            $productCollection->load();
            foreach($productCollection as $product) {
                $dataResponse = [];
                $dataResponse = [];
                $dataResponse["sku"] = $product->getSku();
                $dataResponse["name"] = $product->getSku();
                $categoryIds = $product->getCategoryIds();
                $dataResponse["categories"] = !empty($categoryIds) ? $categoryIds : [];
                $dataResponse["description"] = $product->getDescription() != null ? $product->getDescription() : "";
                $dataResponse["shortDescription"] = $product->getShortDescription() != null ? $product->getShortDescription() : "";
                $dataResponse["imageUrls"] = $this->getProductImageURL($product);
                $dataResponse["brands"] = "";
                if($product->getResource()->getAttribute("brands") != false) {
                    if($product->getResource()->getAttribute("brands")->getFrontend()->getValue($product) != false) {
                        $dataResponse["brands"] = $product->getResource()->getAttribute("brands")->getFrontend()->getValue($product);
                    }
                }
                $dataResponse["types"] = "";
                if($product->getResource()->getAttribute("types") != false) {
                    if($product->getResource()->getAttribute("types")->getFrontend()->getValue($product) != false) {
                        $dataResponse["types"] = $product->getResource()->getAttribute("types")->getFrontend()->getValue($product);
                    }
                }
                $dataResponse["condition"] = $this->getProductVariants($product);
                $dataResponse["relatedProduct"] = $this->getRelatedProduct($product);
                $dataResponse["upsellProduct"] = $this->getUpSellProduct($product);
                $dataResponse["crosssellProduct"] = $this->getCrossSellProduct($product);
                $response[] = $dataResponse;
            }

            echo json_encode(array(
                "current_page" => (int)$currentPage,
                "total" => count($productCollection),
                "data" => $response
            ));
            die;
        }
        catch (Exception $e) {
            echo json_encode(["code" => 500, "message" => "Error".$e]);
            die;
        }
    }

    public function getProductImageURL($product) {
        return $product["thumbnail"] != "" ? [$this->_baseURL."media/catalog/product".$product["thumbnail"]] : [];
    }

    public function getProductVariants($product) {
        $productVariants = $product->getTypeInstance()->getUsedProducts($product);
        if(!empty($productVariants)) {
            $response = [];
            foreach($productVariants as $variant) {
                $optionText = $variant->getResource()->getAttribute('choose_condition')->getFrontend()->getValue($variant);
                $response[strtolower($optionText)] = array(
                    "qty" => $variant->getQty(),
                    "price" => $variant->getPrice(),
                    "imageUrls" => $this->getProductImageURL($variant)
                );
            }
            return $response;
        }
        else {
            return null;
        }
    }

    public function getRelatedProduct($rootProduct) {
        $response = [];
        $relatedProduct = $rootProduct->getRelatedProducts();
        $productRepo = $this->_objectManager->get('\Magento\Catalog\Model\ProductRepository');
        if(!empty($relatedProduct)) {
            foreach($relatedProduct as $product) {
                $dataResponse = [];
                $productData = $productRepo->getById($product->getID());
                $dataResponse["sku"] = $productData->getSku();
                $dataResponse["name"] = $product->getSku();
                $categoryIds = $product->getCategoryIds();
                $dataResponse["categories"] = !empty($categoryIds) ? $categoryIds : [];
                $dataResponse["description"] = $product->getDescription() != null ? $product->getDescription() : "";
                $dataResponse["shortDescription"] = $product->getShortDescription() != null ? $product->getShortDescription() : "";
                $dataResponse["imageUrls"] = $this->getProductImageURL($productData);
                $dataResponse["brands"] = "";
                if($productData->getResource()->getAttribute("brands") != false) {
                    if($productData->getResource()->getAttribute("brands")->getFrontend()->getValue($productData) != false) {
                        $dataResponse["brands"] = $productData->getResource()->getAttribute("brands")->getFrontend()->getValue($productData);
                    }
                }
                $dataResponse["types"] = "";
                if($productData->getResource()->getAttribute("types") != false) {
                    if($productData->getResource()->getAttribute("types")->getFrontend()->getValue($productData) != false) {
                        $dataResponse["types"] = $productData->getResource()->getAttribute("types")->getFrontend()->getValue($productData);
                    }
                }
                $dataResponse["condition"] = $this->getProductVariants($productData);
                $response[] = $dataResponse;
            }
        }
        return $response;
    }

    public function getUpSellProduct($rootProduct) {
        $response = [];
        $upSellProduct = $rootProduct->getUpSellProducts();
        $productRepo = $this->_objectManager->get('\Magento\Catalog\Model\ProductRepository');
        if(!empty($upSellProduct)) {
            foreach($upSellProduct as $product) {
                $dataResponse = [];
                $productData = $productRepo->getById($product->getID());
                $dataResponse["sku"] = $productData->getSku();
                $dataResponse["name"] = $product->getSku();
                $categoryIds = $product->getCategoryIds();
                $dataResponse["categories"] = !empty($categoryIds) ? $categoryIds : [];
                $dataResponse["description"] = $product->getDescription() != null ? $product->getDescription() : "";
                $dataResponse["shortDescription"] = $product->getShortDescription() != null ? $product->getShortDescription() : "";
                $dataResponse["imageUrls"] = $this->getProductImageURL($productData);
                $dataResponse["brands"] = "";
                if($productData->getResource()->getAttribute("brands") != false) {
                    if($productData->getResource()->getAttribute("brands")->getFrontend()->getValue($productData) != false) {
                        $dataResponse["brands"] = $productData->getResource()->getAttribute("brands")->getFrontend()->getValue($productData);
                    }
                }
                $dataResponse["types"] = "";
                if($productData->getResource()->getAttribute("types") != false) {
                    if($productData->getResource()->getAttribute("types")->getFrontend()->getValue($productData) != false) {
                        $dataResponse["types"] = $productData->getResource()->getAttribute("types")->getFrontend()->getValue($productData);
                    }
                }
                $dataResponse["condition"] = $this->getProductVariants($productData);
                $response[] = $dataResponse;
            }
        }
        return $response;
    }

    public function getCrossSellProduct($rootProduct) {
        $response = [];
        $crossSellProduct = $rootProduct->getCrossSellProducts();
        $productRepo = $this->_objectManager->get('\Magento\Catalog\Model\ProductRepository');
        if(!empty($crossSellProduct)) {
            foreach($crossSellProduct as $product) {
                $dataResponse = [];
                $productData = $productRepo->getById($product->getID());
                $dataResponse["sku"] = $productData->getSku();
                $dataResponse["name"] = $product->getSku();
                $categoryIds = $product->getCategoryIds();
                $dataResponse["categories"] = !empty($categoryIds) ? $categoryIds : [];
                $dataResponse["description"] = $product->getDescription() != null ? $product->getDescription() : "";
                $dataResponse["shortDescription"] = $product->getShortDescription() != null ? $product->getShortDescription() : "";
                $dataResponse["imageUrls"] = $this->getProductImageURL($productData);
                $dataResponse["brands"] = "";
                if($productData->getResource()->getAttribute("brands") != false) {
                    if($productData->getResource()->getAttribute("brands")->getFrontend()->getValue($productData) != false) {
                        $dataResponse["brands"] = $productData->getResource()->getAttribute("brands")->getFrontend()->getValue($productData);
                    }
                }
                $dataResponse["types"] = "";
                if($productData->getResource()->getAttribute("types") != false) {
                    if($productData->getResource()->getAttribute("types")->getFrontend()->getValue($productData) != false) {
                        $dataResponse["types"] = $productData->getResource()->getAttribute("types")->getFrontend()->getValue($productData);
                    }
                }
                $dataResponse["condition"] = $this->getProductVariants($productData);
                $response[] = $dataResponse;
            }
        }
        return $response;
    }
}