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<?php
/**
 * Copyright © Extmag. All rights reserved.
 */

namespace Extmag\Shiplab\Model\Label\Manual;

use Exception;
use Extmag\Shiplab\Helper\DataPrepareFactory;
use Magento\Framework\Api\Filter;
use Magento\Framework\App\RequestInterface;
use Magento\Ui\DataProvider\Modifier\PoolInterface;
use Magento\Ui\DataProvider\ModifierPoolDataProvider;

class DataProvider extends ModifierPoolDataProvider
{
    /**
     * @var array
     */
    protected $loadedData;

    /**
     * @var string
     */
    protected $carrierCode;

    /**
     * @var DataPrepareFactory
     */
    protected $dataPrepare;

    /**
     * @param string $name
     * @param string $primaryFieldName
     * @param string $requestFieldName
     * @param array $meta
     * @param array $data
     * @param PoolInterface|null $pool
     * @param DataPrepareFactory $dataPrepare
     * @param RequestInterface $request
     * @throws Exception
     */
    public function __construct(
        $name,
        $primaryFieldName,
        $requestFieldName,
        DataPrepareFactory $dataPrepare,
        RequestInterface $request,
        array $meta = [],
        array $data = [],
        PoolInterface $pool = null
    ) {
        parent::__construct($name, $primaryFieldName, $requestFieldName, $meta, $data, $pool);
        $this->meta = $this->prepareMeta($this->meta);
        $this->carrierCode = $request->getParam('carrier_code');
        $this->dataPrepare = $dataPrepare->get($this->carrierCode);
    }

    /**
     * Prepares Meta
     *
     * @param array $meta
     * @return array
     */
    public function prepareMeta(array $meta)
    {
        return $meta;
    }

    /**
     * Get data
     *
     * @return array
     */
    public function getData()
    {
        if (isset($this->loadedData)) {
            return $this->loadedData;
        }

        $this->loadedData = $this->dataPrepare->getData();

        if (!empty($this->loadedData['rate_error']) && is_array($this->loadedData['rate_error'])) {
            $this->loadedData['rate_error'] = implode("<br>", $this->loadedData['rate_error']);
        }

        return [null => $this->loadedData];
    }

    /**
     * @param Filter $filter
     * @return mixed|void|null
     */
    public function addFilter(Filter $filter)
    {
        return null;
    }
}