<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Sales\Block\Adminhtml\Order\Create;

use Magento\Framework\Pricing\PriceCurrencyInterface;

/**
 * Order create data
 *
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Data extends \Magento\Sales\Block\Adminhtml\Order\Create\AbstractCreate
{
    /**
     * Currency factory
     *
     * @var \Magento\Directory\Model\CurrencyFactory
     */
    protected $_currencyFactory;

    /**
     * @var \Magento\Framework\Locale\CurrencyInterface
     */
    protected $_localeCurrency;

    /**
     * @param \Magento\Backend\Block\Template\Context $context
     * @param \Magento\Backend\Model\Session\Quote $sessionQuote
     * @param \Magento\Sales\Model\AdminOrder\Create $orderCreate
     * @param PriceCurrencyInterface $priceCurrency
     * @param \Magento\Directory\Model\CurrencyFactory $currencyFactory
     * @param \Magento\Framework\Locale\CurrencyInterface $localeCurrency
     * @param array $data
     */
    public function __construct(
        \Magento\Backend\Block\Template\Context $context,
        \Magento\Backend\Model\Session\Quote $sessionQuote,
        \Magento\Sales\Model\AdminOrder\Create $orderCreate,
        PriceCurrencyInterface $priceCurrency,
        \Magento\Directory\Model\CurrencyFactory $currencyFactory,
        \Magento\Framework\Locale\CurrencyInterface $localeCurrency,
        array $data = []
    ) {
        $this->_currencyFactory = $currencyFactory;
        $this->_localeCurrency = $localeCurrency;
        parent::__construct($context, $sessionQuote, $orderCreate, $priceCurrency, $data);
    }

    /**
     * Retrieve avilable currency codes
     *
     * @return string[]
     */
    public function getAvailableCurrencies()
    {
        $dirtyCodes = $this->getStore()->getAvailableCurrencyCodes();
        $codes = [];
        if (is_array($dirtyCodes) && count($dirtyCodes)) {
            $rates = $this->_currencyFactory->create()->getCurrencyRates(
                $this->_storeManager->getStore()->getBaseCurrency(),
                $dirtyCodes
            );
            foreach ($dirtyCodes as $code) {
                if (isset($rates[$code]) || $code == $this->_storeManager->getStore()->getBaseCurrencyCode()) {
                    $codes[] = $code;
                }
            }
        }
        return $codes;
    }

    /**
     * Retrieve curency name by code
     *
     * @param string $code
     * @return string
     */
    public function getCurrencyName($code)
    {
        return $this->_localeCurrency->getCurrency($code)->getName();
    }

    /**
     * Retrieve curency name by code
     *
     * @param string $code
     * @return string
     */
    public function getCurrencySymbol($code)
    {
        $currency = $this->_localeCurrency->getCurrency($code);
        return $currency->getSymbol() ? $currency->getSymbol() : $currency->getShortName();
    }

    /**
     * Retrieve current order currency code
     *
     * @return string
     */
    public function getCurrentCurrencyCode()
    {
        return $this->getStore()->getCurrentCurrencyCode();
    }
}
