<?php
namespace Kauan\Shipping\Model\Carrier;

use Magento\Quote\Model\Quote\Address\RateRequest;
use Magento\Shipping\Model\Rate\Result;
use Magento\Quote\Model\Quote\Address\RateResult\Error;
use Magento\Shipping\Model\Carrier\AbstractCarrierOnline;
use Magento\Shipping\Model\Carrier\CarrierInterface;
use Magento\Shipping\Model\Simplexml\Element;
use Magento\Ups\Helper\Config;
use Magento\Framework\Xml\Security;

class Datafrete extends \Magento\Shipping\Model\Carrier\AbstractCarrier implements
    \Magento\Shipping\Model\Carrier\CarrierInterface
{
    /**
     * @var string
     */
    protected $_code = 'shipping';

    /**
     * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
     * @param \Magento\Quote\Model\Quote\Address\RateResult\ErrorFactory $rateErrorFactory
     * @param \Psr\Log\LoggerInterface $logger
     * @param \Magento\Shipping\Model\Rate\ResultFactory $rateResultFactory
     * @param \Magento\Quote\Model\Quote\Address\RateResult\MethodFactory $rateMethodFactory
     * @param array $data
     */
    public function __construct(
        \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig,
        \Magento\Quote\Model\Quote\Address\RateResult\ErrorFactory $rateErrorFactory,
        \Psr\Log\LoggerInterface $logger,
        Security $xmlSecurity,
        \Magento\Shipping\Model\Simplexml\ElementFactory $xmlElFactory,
        \Magento\Shipping\Model\Rate\ResultFactory $rateFactory,
        \Magento\Quote\Model\Quote\Address\RateResult\MethodFactory $rateMethodFactory,
        \Magento\Shipping\Model\Tracking\ResultFactory $trackFactory,
        \Magento\Shipping\Model\Tracking\Result\ErrorFactory $trackErrorFactory,
        \Magento\Shipping\Model\Tracking\Result\StatusFactory $trackStatusFactory,
        \Magento\Directory\Model\RegionFactory $regionFactory,
        \Magento\Directory\Model\CountryFactory $countryFactory,
        \Magento\Directory\Model\CurrencyFactory $currencyFactory,
        \Magento\Directory\Helper\Data $directoryData,
        \Magento\CatalogInventory\Api\StockRegistryInterface $stockRegistry,
        \Magento\Framework\Locale\FormatInterface $localeFormat,
        Config $configHelper,
        array $data = []
    ) {
        $this->_rateResultFactory = $rateResultFactory;
        $this->_rateMethodFactory = $rateMethodFactory;
        parent::__construct($scopeConfig, $rateErrorFactory, $logger, $data);
    }

    /**
     * @return array
     */
    public function getAllowedMethods()
    {
        return ['datafrete' => $this->getConfigData('name')];
    }

    /**
     * @param RateRequest $request
     * @return bool|Result
     */



    public function collectRates(RateRequest $request)
    {
        if (!$this->getConfigFlag('active')) {
            return false;
        }
        //API CONNECTION
        $options = array('location' => $this->getConfigData('api'),
                                    'uri'      => $this->getConfigData('api').'?wsdl');

         $client = new SoapClient($this->url_integracao."?wsdl",$options);

         //ITS OK TO GET INFOS PRODUCTS LIKE THIS? 
        $itemsShipment = $request->getPackageItems();
        foreach ($itemsShipment as $itemShipment) {
            $item = new \Magento\Framework\DataObject();
            $item->setData($itemShipment);
            $nome = $item->getName();
            $preco =  $item->getPrice();
        }


 //FUNCTION TO GET INFO/VALUES FROM API - RETURN A JSON
             $consulta_frete = $client->getValorFrete(
//NEED KNOW IF THIS LIST CONTAINS RIGHT INFOS TO POST ON API                                                                    $this->getConfigData('usuario'),
                                                                    $this->getConfigData('senha'),
                                                                    $this->getConfigData('codigo'),
                                                                $request->getOrigPostcode(),
                                                                $request->getDestPostcode(),
                                                                $json_produto,
                                                                $json_inf_comp);

        $consulta_frete = json_decode($consulta_frete);


//HOW I USE FOREACH TO DECLARE VALUES AND DESCRIPTIONS ON METHOD->SETPRICE

        /** @var \Magento\Shipping\Model\Rate\Result $result */
        $result = $this->_rateResultFactory->create();

        /** @var \Magento\Quote\Model\Quote\Address\RateResult\Method $method */
        $method = $this->_rateMethodFactory->create();

        $method->setCarrier('datafrete');
        $method->setCarrierTitle($this->getConfigData('title'));

        $method->setMethod('datafrete');
        $method->setMethodTitle($this->getConfigData('name'));

        /*you can fetch shipping price from different sources over some APIs, we used price from config.xml - xml node price*/
        //$amount = $this->getConfigData('price');

        $method->setPrice($amount);
        $method->setCost($amount);

        $result->append($method);

        return $result;
    }
}