<?php

namespace Stemcell\Catalog\Model\Api;

use Magento\Catalog\Model\Product\Attribute\Source\Status;
use Magento\Catalog\Model\Product\Type as ProductType;
use Magento\Framework\Module\Dir;
use Magento\Framework\UrlInterface;
use Magento\Framework\Webapi\Rest\Request;
use Magento\Store\Model\StoreManagerInterface;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use Stemcell\Catalog\Helper\Excel;
use Magento\Eav\Model\Config as EavConfig;
use Stemcell\Catalog\Setup\Patch\Data\AddChineseEditionCellSeparationOption;
use Magento\Catalog\Model\ResourceModel\Product\CollectionFactory as ProductCollectionFactory;

/**
 * 分选说明书接口
 */
class CellSeparation
{
    public function __construct(
        private Dir $dir,
        private StoreManagerInterface $storeManager,
        private Request $restRequest,
        protected EavConfig $eavConfig,
        protected ProductCollectionFactory $productCollectionFactory,
    ) {
    }

    /**
     * @param Worksheet $sheet
     * @param string $cell
     * @return string
     */
    protected function getCellValue(Worksheet $sheet, string $cell)
    {
        return trim((string)$sheet->getCell($cell)->getValue());
    }

    /**
     * @return int
     * @throws \Magento\Framework\Exception\LocalizedException
     */
    protected function getResourceTypeChinesePisOptionId()
    {
        $attribute = $this->eavConfig->getAttribute(\Magento\Catalog\Model\Product::ENTITY, 'resource_type');
        $attribute->setStoreId(0);
        $optionId = 0;
        foreach ($attribute->getOptions() as $option) {
            if ($option->getLabel() == AddChineseEditionCellSeparationOption::RESOURCE_TYPE_ENGLISH_LABEL) {
                $optionId = (int)$option->getValue();
                break;
            }
        }
        return $optionId;
    }

    /**
     * 分选说明书接口
     * @return string
     * @throws \Magento\Framework\Exception\NoSuchEntityException
     * @throws \Exception
     */
    public function execute()
    {
        $pageSize = 10;
        $page = $this->restRequest->getParam('page', 1);
        $start = ($page - 1) * $pageSize;

        $keyword = trim($this->restRequest->getParam('keyword', ''));

        $isSku = preg_match('/^\d+[A-Za-z]*$/', $keyword) !==0 ;
        //['sku' => $sku, 'label' => $name, 'pdf'=>$mediaUrl.$pdfPath, 'url'=>$mediaUrl.$sku.'/'.$pdfPath]
        $data = [];
        $mediaUrl = $this->storeManager->getStore()->getBaseUrl(UrlInterface::URL_TYPE_WEB);
        $chinesePisCollection = $this->productCollectionFactory->create()
            ->addAttributeToSelect(['parent_skus', 'document_path', 'parent_names'])
            ->addAttributeToFilter('status', Status::STATUS_ENABLED)
            ->addAttributeToFilter('type_id', ProductType::TYPE_VIRTUAL)
            ->addAttributeToFilter('resource_type', $this->getResourceTypeChinesePisOptionId());

        if ($keyword) {
            $chinesePisCollection->addAttributeToFilter([
                ['attribute' => 'parent_skus', 'finset' => $keyword],
                ['attribute' => 'parent_names', 'like' => '%'.$keyword.'%'],
            ]);
        }

        $parentSkus = '';
        foreach ($chinesePisCollection as $item) {

            $parentSkus .= $item->getData('parent_skus').',';
        }
        $parentSkus = trim($parentSkus, ',');

        $productNames = [];
        $collection = $this->productCollectionFactory->create()
            ->addAttributeToSelect(['name'])
            ->addAttributeToFilter('status', Status::STATUS_ENABLED)
            ->addAttributeToFilter('sku', ['in' => array_unique(explode(',', $parentSkus))]);
        foreach ($collection as $item) {
            $productNames[$item->getSku()] = $item->getName();
        }

        foreach ($chinesePisCollection as $item) {

            $pdfPath = $mediaUrl.ltrim($item->getData('document_path'), '/');
            if ($item->getData('parent_skus')) {
                foreach (explode(',', $item->getData('parent_skus')) as $sku) {
                    if (($isSku && $keyword && $sku && strtolower($keyword)==strtolower($sku))
                        || (!$isSku && $item->getData('parent_names') && str_contains(strtolower($item->getData('parent_names')), strtolower($keyword)))) {
                        if (isset($productNames[$sku])){
                            $data[$item->getSku()] = [
                                'sku' => $sku,
                                'label' => $productNames[$sku],
                                'pdf'=>ltrim($pdfPath, '/'),
                                'url'=>ltrim($pdfPath, '/')
                            ];
                        }

                    }
                }
            }
        }

        $data = array_values($data);
        $count = count($data);
//        $pages = ceil($count / $pageSize);
//        $page = min($page, $pages);
//        $end = $page * $pageSize - 1;
//        $rows = [];
//        foreach ($data as $index => $row) {
//            if ($index >= $start && $index <= $end) {
//                $rows[] = $row;
//            }
//            if ($index > $end) {
//                break;
//            }
//        }
        $result = [
            'items' => $data,
            'filter_code' => 'keyword',
            'filters' => [],
            'pages' => $page,
            'total_count' => $count,
        ];
        return json_encode($result);
    }
}