<?php
/**
*
* ..::..
* ..::::::::::::..
* ::'''''':''::'''''::
* ::.. ..: : ....::
* :::: ::: : : ::
* :::: ::: : ''' ::
* ::::..:::..::.....::
* ''::::::::::::''
* ''::''
*
*
* NOTICE OF LICENSE
*
* This source file is subject to the Creative Commons License.
* It is available through the world-wide-web at this URL:
* http://creativecommons.org/licenses/by-nc-nd/3.0/nl/deed.en_US
* If you are unable to obtain it through the world-wide-web, please send an email
* to servicedesk@tig.nl so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade this module to newer
* versions in the future. If you wish to customize this module for your
* needs please contact servicedesk@tig.nl for more information.
*
* @copyright Copyright (c) Total Internet Group B.V. https://tig.nl/copyright
* @license http://creativecommons.org/licenses/by-nc-nd/3.0/nl/deed.en_US
*/

namespace TIG\PostNL\Service\Converter;

use Magento\Directory\Api\Data\RegionInformationInterface;
use Magento\Directory\Model\ResourceModel\Region\Collection;

class IdToRegion implements ContractInterface
{
/**
* @var Collection
*/
private $regionCollection;

/**
* @var array
*/
private $regions = [];

/**
* @var ZeroToStar
*/
private $zeroToStar;

/**
* IdToRegion constructor.
*
* @param Collection $regionCollection
* @param ZeroToStar $zeroToStar
*/
public function __construct(
Collection $regionCollection,
ZeroToStar $zeroToStar
) {
$this->regionCollection = $regionCollection;
$this->zeroToStar = $zeroToStar;
}

/**
* Convert the value.
*
* @param $value
*
* @return mixed
*
* @throws \TIG\PostNL\Exception
*/
public function convert($value)
{
$value = $this->zeroToStar->convert($value);
if ($value == '*') {
return $value;
}

$region = $this->getRegion($value);
if ($region) {
return $region->getName();
}

throw new \TIG\PostNL\Exception(__('"%1" is not a valid region', $value));
}

/**
* @param $value
*
* @return bool|RegionInformationInterface
*/
private function getRegion($value)
{
$regions = $this->getRegions();

if (array_key_exists($value, $regions)) {
return $regions[$value];
}

return false;
}

/**
* @return RegionInformationInterface[]
*/
private function getRegions()
{
if (!empty($this->regions)) {
return $this->regions;
}

/** @var RegionInformationInterface $region */
foreach ($this->regionCollection as $region) {
$this->regions[$region->getId()] = $region;
}

return $this->regions;
}
}