<?php

namespace saws\sawsconnector\Model\Enterprise;

use Magento\Framework\ObjectManagerInterface;
use Magento\Framework\App\ProductMetadataInterface;

/**
 * Factory which creates Classes from Enterprise
 * Class ClassFactory
 * @package saws\sawsconnector\Model\Enterprise
 */
class VersionFeaturesFactory {

  const EDITION_ENTERPRISE = 'Enterprise';
  const EDITION_COMMUNITY = 'Community';
  const EDITION_B2B = 'B2B';

  /**
   * @var ObjectManagerInterface
   */
  protected $_objectManager;

  /**
   * @var ProductMetadataInterface
   */
  private $productMetadata;

  /**
   * VersionFeaturesFactory constructor.
   *
   * @param ObjectManagerInterface $objectManager
   * @param ProductMetadataInterface $productMetadata
   */
  public function __construct(
          ObjectManagerInterface $objectManager,
          ProductMetadataInterface $productMetadata
  ) {
    $this->_objectManager = $objectManager;
    $this->productMetadata = $productMetadata;
  }

  /**
   * @param string $featureName
   * @return mixed|null
   */
  public function create($featureName) {
    $features = $this->getFeatures();
    $feature = $features[$featureName];

    if (($this->productMetadata->getEdition() != self::EDITION_B2B && !version_compare($this->productMetadata->getVersion(), $feature['minVersion'], '>=')) ||
            ($this->productMetadata->getEdition() == self::EDITION_B2B && !version_compare($this->productMetadata->getVersion(), $feature['minB2bVersion'], '>='))) {
      return null;
    }
    if ($feature['minEdition'] == self::EDITION_ENTERPRISE && $this->productMetadata->getEdition() == self::EDITION_COMMUNITY) {
      return null;
    }
    return $this->_objectManager->create($feature['className'], array());
  }

  /**
   * Gets an Array of Magento Version Specific Features
   * @return array
   */
  public function getFeatures() {
    return array(
        "CategoryImportVersion" => array(
            "minVersion" => "2.1.1",
            "minB2bVersion" => "1.0.0-rc",
            "minEdition" => self::EDITION_ENTERPRISE,
            "className" => 'saws\sawsconnector\Model\Enterprise\CategoryImportVersion'
        )
    );
  }

}