<?php
/**
 * Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
namespace Amazon\Payment\Helper;

use Amazon\Core\Api\Data\AmazonAddressInterface;
use Amazon\Core\Domain\AmazonAddress;
use Magento\Customer\Api\Data\AddressInterface;
use Magento\Customer\Api\Data\AddressInterfaceFactory;
use Magento\Customer\Api\Data\RegionInterfaceFactory;
use Magento\Directory\Model\RegionFactory;
use Magento\Framework\App\Config\ScopeConfigInterface;

/**
 * @deprecated As of February 2021, this Legacy Amazon Pay plugin has been
 * deprecated, in favor of a newer Amazon Pay version available through GitHub
 * and Magento Marketplace. Please download the new plugin for automatic
 * updates and to continue providing your customers with a seamless checkout
 * experience. Please see https://pay.amazon.com/help/E32AAQBC2FY42HS for details
 * and installation instructions.
 */
class Address
{
    /**
     * @var AddressInterfaceFactory
     */
    private $addressFactory;

    /**
     * @var RegionFactory
     */
    private $regionFactory;

    /**
     * @var RegionInterfaceFactory
     */
    private $regionDataFactory;

    /**
     * @var ScopeConfigInterface
     */
    private $scopeConfig;

    public function __construct(
        AddressInterfaceFactory $addressFactory,
        RegionFactory $regionFactory,
        RegionInterfaceFactory $regionDataFactory,
        ScopeConfigInterface $config
    ) {
        $this->addressFactory    = $addressFactory;
        $this->regionFactory     = $regionFactory;
        $this->regionDataFactory = $regionDataFactory;
        $this->scopeConfig = $config;
    }

    /**
     * Convert Amazon Address to Magento Address
     *
     * @param AmazonAddressInterface $amazonAddress
     *
     * @return AddressInterface
     */
    public function convertToMagentoEntity(AmazonAddressInterface $amazonAddress)
    {
        $addressLinesAllowed = (int)$this->scopeConfig->getValue(
            'customer/address/street_lines',
            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
        );

        $address = $this->addressFactory->create();
        $address->setFirstname($amazonAddress->getFirstName());
        $address->setLastname($amazonAddress->getLastName());
        $address->setCity($amazonAddress->getCity());
        $address->setPostcode($amazonAddress->getPostCode());
        $address->setTelephone($amazonAddress->getTelephone());
        $address->setCountryId($this->getCountryId($amazonAddress));

        $company = !empty($amazonAddress->getCompany()) ? $amazonAddress->getCompany() : '';
        $address->setCompany($company);

        /*
         * The number of lines in a street address is configurable via 'customer/address/street_lines'.
         * To avoid discarding information, we'll concatenate additional lines so that they fit within the configured
         *  address length.
         */
        $lines = [];
        for ($i = 1; $i <= 4; $i++) {
            $line = (string) $amazonAddress->getLine($i);
            if ($i <= $addressLinesAllowed) {
                $lines[] = $line;
            } else {
                $lines[count($lines)-1] = trim($lines[count($lines)-1] . ' ' . $line);
            }
        }
        $address->setStreet(array_values($lines));

        if ($amazonAddress->getState()) {
            $address->setRegion($this->getRegionData($amazonAddress, $address->getCountryId()));
        }

        return $address;
    }

    protected function getCountryId(AmazonAddressInterface $amazonAddress)
    {
        return strtoupper($amazonAddress->getCountryCode());
    }

    protected function getRegionData(AmazonAddressInterface $amazonAddress, $countryId)
    {
        $region     = $this->regionFactory->create();
        $regionData = $this->regionDataFactory->create();

        $region->loadByCode($amazonAddress->getState(), $countryId);

        if (! $region->getId()) {
            $region->loadByName($amazonAddress->getState(), $countryId);
        }

        if ($region->getId()) {
            $regionData
                ->setRegionId($region->getId())
                ->setRegionCode($region->getCode())
                ->setRegion($region->getDefaultName());
        } else {
            $regionData->setRegion($amazonAddress->getState());
        }

        return $regionData;
    }

    /**
     * Convert Magento address to array for json encode
     *
     * @param AddressInterface $address
     *
     * @return array
     */
    public function convertToArray(AddressInterface $address)
    {
        $data = [
            AddressInterface::CITY       => $address->getCity(),
            AddressInterface::FIRSTNAME  => $address->getFirstname(),
            AddressInterface::LASTNAME   => $address->getLastname(),
            AddressInterface::COUNTRY_ID => $address->getCountryId(),
            AddressInterface::STREET     => $address->getStreet(),
            AddressInterface::POSTCODE   => $address->getPostcode(),
            AddressInterface::COMPANY    => $address->getCompany(),
            AddressInterface::TELEPHONE  => null,
            AddressInterface::REGION     => null,
            AddressInterface::REGION_ID  => null,
            'region_code'                => null
        ];

        if ($address->getTelephone()) {
            $data[AddressInterface::TELEPHONE] = $address->getTelephone();
        }

        if ($address->getRegion()) {
            $data[AddressInterface::REGION] = $address->getRegion()->getRegion();

            if ($address->getRegion()->getRegionId()) {
                $data[AddressInterface::REGION_ID] = $address->getRegion()->getRegionId();
                $data['region_code']               = $address->getRegion()->getRegionCode();
            }
        }

        return $data;
    }
}