<?php

namespace Stemcell\Catalog\Model\Api;

use Magento\Framework\Webapi\Rest\Request as RestRequest;
use Stemcell\Catalog\Model\ResourceModel\Cryopreserve\CollectionFactory as CryopreserveCollectionFactory;

/**
 * 样本冻存参考小工具接口
 */
class SampleCryopreserve
{
    public function __construct(
        private CryopreserveCollectionFactory $cryopreserveCollectionFactory,
        private RestRequest $restRequest
    ) {
    }

    protected function getSamples() {
        $samples = [];
        $data = $this->cryopreserveCollectionFactory->create()->addFieldToSelect('sample')->load()->getData();
        foreach ($data as $item) {
            if (!isset($samples[$item['sample']])) {
                $samples[$item['sample']] = ['sample' => $item['sample']];
            }
        }
        return array_values($samples);
    }

    protected function getTypes()
    {
        $sample = trim((string)$this->restRequest->getParam("sample"));
        $collection = $this->cryopreserveCollectionFactory->create();
        if (!empty($sample)) {
            $collection->addFieldToFilter('sample', $sample);
        }

        $data = [];
        foreach ($collection->getItems() as $item) {
            /* @var $item \Stemcell\Catalog\Model\Cryopreserve */
            if (!isset($data[$item->getType()])) {
                $data[$item->getType()] = ['type' => $item->getType()];
            }
        }

        return array_values($data);
    }

    protected function getCellTypes()
    {
        $sample = trim((string)$this->restRequest->getParam("sample"));
        $type = trim((string)$this->restRequest->getParam("type"));
        $collection = $this->cryopreserveCollectionFactory->create();
        if (!empty($type)) {
            $collection->addFieldToFilter('sample', $sample)
            ->addFieldToFilter('type', $type);
        }

        $data = [];
        foreach ($collection->getItems() as $item) {
            /* @var $item \Stemcell\Catalog\Model\Cryopreserve */
            if (!isset($data[$item->getCellType()])) {
                $data[$item->getCellType()] = ['cellType' => $item->getCellType()];
            }
        }

        return array_values($data);
    }

    /**
     * @return array
     */
    public function getFilters()
    {
        return ['samples'=>$this->getSamples(), 'types'=>$this->getTypes(), 'cellTypes'=>$this->getCellTypes()];
    }

    /**
     * @return string
     */
    public function execute() : string {
        $sample = trim((string)$this->restRequest->getParam("sample"));
        $type = trim((string)$this->restRequest->getParam("type"));
        $cellType = trim((string)$this->restRequest->getParam("cellType"));
        $collection = $this->cryopreserveCollectionFactory->create()
            ->addFieldToSelect(['reference_density', 'desc', 'reference']);
        if (!empty($sample)) {
            $collection->addFieldToFilter('sample', $sample);
        }
        if (!empty($type)) {
            $collection->addFieldToFilter('type', $type);
        }
        if (!empty($cellType)) {
            $collection->addFieldToFilter('cell_type', $cellType);
        }

        return json_encode(['filters' => $this->getFilters(), 'items' => $collection->getData()]);
    }
}