<?php
/**
 * 2007-2019 PrestaShop and Contributors
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://www.prestashop.com for more information.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright 2007-2019 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 * International Registered Trademark & Property of PrestaShop SA
 */

namespace PrestaShop\PrestaShop\Core\Localization\Currency;

use PrestaShop\PrestaShop\Core\Localization\Currency;
use PrestaShop\PrestaShop\Core\Localization\Currency\RepositoryInterface as CurrencyRepositoryInterface;
use PrestaShop\PrestaShop\Core\Localization\Currency\DataSourceInterface as CurrencyDataSourceInterface;

/**
 * Currency repository class.
 *
 * Used to get Localization/Currency instances (by currency code for example)
 */
class Repository implements CurrencyRepositoryInterface
{
    /**
     * Available currencies, indexed by ISO code.
     * Lazy loaded.
     *
     * @var Currency[]
     */
    protected $currencies;

    /**
     * @var CurrencyDataSourceInterface
     */
    protected $dataSource;

    public function __construct(CurrencyDataSourceInterface $dataSource)
    {
        $this->dataSource = $dataSource;
    }

    /**
     * {@inheritdoc}
     */
    public function getCurrency($currencyCode, $localeCode)
    {
        if (!isset($this->currencies[$currencyCode])) {
            $data = $this->dataSource->getLocalizedCurrencyData(
                new LocalizedCurrencyId($currencyCode, $localeCode)
            );

            $this->currencies[$currencyCode] = new Currency(
                $data->isActive(),
                $data->getConversionRate(),
                $data->getIsoCode(),
                $data->getNumericIsoCode(),
                $data->getSymbols(),
                $data->getPrecision(),
                $data->getNames()
            );
        }

        return $this->currencies[$currencyCode];
    }

    /**
     * {@inheritdoc}
     */
    public function getAvailableCurrencies($localeCode)
    {
        return $this->formatCurrencies($this->dataSource->getAvailableCurrenciesData($localeCode));
    }

    /**
     * {@inheritdoc}
     */
    public function getAllInstalledCurrencies($localeCode)
    {
        return $this->formatCurrencies($this->dataSource->getAllInstalledCurrenciesData($localeCode));
    }

    /**
     * @param array $currenciesData
     *
     * @return CurrencyCollection
     */
    private function formatCurrencies(array $currenciesData)
    {
        $currencies = new CurrencyCollection();
        /** @var CurrencyData $currencyDatum */
        foreach ($currenciesData as $currencyDatum) {
            $currencies->add(new Currency(
                $currencyDatum->isActive(),
                $currencyDatum->getConversionRate(),
                $currencyDatum->getIsoCode(),
                $currencyDatum->getNumericIsoCode(),
                $currencyDatum->getSymbols(),
                $currencyDatum->getPrecision(),
                $currencyDatum->getNames()
            ));
        }

        return $currencies;
    }
}