<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */

namespace Magento\Customer\Model\ResourceModel;

use Magento\Customer\Api\CustomerMetadataInterface;
use Magento\Framework\Api\DataObjectHelper;
use Magento\Framework\Api\ImageProcessorInterface;
use Magento\Framework\Api\SearchCriteriaInterface;
use Magento\Framework\Api\SortOrder;

/**
 * Customer repository.
 * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
 */
class CustomerRepository implements \Magento\Customer\Api\CustomerRepositoryInterface
{
    /**
     * @var \Magento\Customer\Model\CustomerFactory
     */
    protected $customerFactory;

    /**
     * @var \Magento\Customer\Model\Data\CustomerSecureFactory
     */
    protected $customerSecureFactory;

    /**
     * @var \Magento\Customer\Model\CustomerRegistry
     */
    protected $customerRegistry;

    /**
     * @var \Magento\Customer\Model\ResourceModel\AddressRepository
     */
    protected $addressRepository;

    /**
     * @var \Magento\Customer\Model\ResourceModel\Customer
     */
    protected $customerResourceModel;

    /**
     * @var \Magento\Customer\Api\CustomerMetadataInterface
     */
    protected $customerMetadata;

    /**
     * @var \Magento\Customer\Api\Data\CustomerSearchResultsInterfaceFactory
     */
    protected $searchResultsFactory;

    /**
     * @var \Magento\Framework\Event\ManagerInterface
     */
    protected $eventManager;

    /**
     * @var \Magento\Store\Model\StoreManagerInterface
     */
    protected $storeManager;

    /**
     * @var \Magento\Framework\Api\ExtensibleDataObjectConverter
     */
    protected $extensibleDataObjectConverter;

    /**
     * @var DataObjectHelper
     */
    protected $dataObjectHelper;

    /**
     * @var ImageProcessorInterface
     */
    protected $imageProcessor;

    /**
     * @var \Magento\Framework\Api\ExtensionAttribute\JoinProcessorInterface
     */
    protected $extensionAttributesJoinProcessor;

    /**
     * @param \Magento\Customer\Model\CustomerFactory $customerFactory
     * @param \Magento\Customer\Model\Data\CustomerSecureFactory $customerSecureFactory
     * @param \Magento\Customer\Model\CustomerRegistry $customerRegistry
     * @param \Magento\Customer\Model\ResourceModel\AddressRepository $addressRepository
     * @param \Magento\Customer\Model\ResourceModel\Customer $customerResourceModel
     * @param \Magento\Customer\Api\CustomerMetadataInterface $customerMetadata
     * @param \Magento\Customer\Api\Data\CustomerSearchResultsInterfaceFactory $searchResultsFactory
     * @param \Magento\Framework\Event\ManagerInterface $eventManager
     * @param \Magento\Store\Model\StoreManagerInterface $storeManager
     * @param \Magento\Framework\Api\ExtensibleDataObjectConverter $extensibleDataObjectConverter
     * @param DataObjectHelper $dataObjectHelper
     * @param ImageProcessorInterface $imageProcessor
     * @param \Magento\Framework\Api\ExtensionAttribute\JoinProcessorInterface $extensionAttributesJoinProcessor
     * @SuppressWarnings(PHPMD.ExcessiveParameterList)
     */
    public function __construct(
        \Magento\Customer\Model\CustomerFactory $customerFactory,
        \Magento\Customer\Model\Data\CustomerSecureFactory $customerSecureFactory,
        \Magento\Customer\Model\CustomerRegistry $customerRegistry,
        \Magento\Customer\Model\ResourceModel\AddressRepository $addressRepository,
        \Magento\Customer\Model\ResourceModel\Customer $customerResourceModel,
        \Magento\Customer\Api\CustomerMetadataInterface $customerMetadata,
        \Magento\Customer\Api\Data\CustomerSearchResultsInterfaceFactory $searchResultsFactory,
        \Magento\Framework\Event\ManagerInterface $eventManager,
        \Magento\Store\Model\StoreManagerInterface $storeManager,
        \Magento\Framework\Api\ExtensibleDataObjectConverter $extensibleDataObjectConverter,
        DataObjectHelper $dataObjectHelper,
        ImageProcessorInterface $imageProcessor,
        \Magento\Framework\Api\ExtensionAttribute\JoinProcessorInterface $extensionAttributesJoinProcessor
    ) {
        $this->customerFactory = $customerFactory;
        $this->customerSecureFactory = $customerSecureFactory;
        $this->customerRegistry = $customerRegistry;
        $this->addressRepository = $addressRepository;
        $this->customerResourceModel = $customerResourceModel;
        $this->customerMetadata = $customerMetadata;
        $this->searchResultsFactory = $searchResultsFactory;
        $this->eventManager = $eventManager;
        $this->storeManager = $storeManager;
        $this->extensibleDataObjectConverter = $extensibleDataObjectConverter;
        $this->dataObjectHelper = $dataObjectHelper;
        $this->imageProcessor = $imageProcessor;
        $this->extensionAttributesJoinProcessor = $extensionAttributesJoinProcessor;
    }

    /**
     * {@inheritdoc}
     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
     * @SuppressWarnings(PHPMD.NPathComplexity)
     */
    public function save(\Magento\Customer\Api\Data\CustomerInterface $customer, $passwordHash = null)
    {
        $prevCustomerData = null;
        if ($customer->getId()) {
            $prevCustomerData = $this->getById($customer->getId());
        }
        $customer = $this->imageProcessor->save(
            $customer,
            CustomerMetadataInterface::ENTITY_TYPE_CUSTOMER,
            $prevCustomerData
        );

        $origAddresses = $customer->getAddresses();
        $customer->setAddresses([]);
        $customerData = $this->extensibleDataObjectConverter->toNestedArray(
            $customer,
            [],
            '\Magento\Customer\Api\Data\CustomerInterface'
        );

        $customer->setAddresses($origAddresses);
        $customerModel = $this->customerFactory->create(['data' => $customerData]);
        $storeId = $customerModel->getStoreId();
        if ($storeId === null) {
            $customerModel->setStoreId($this->storeManager->getStore()->getId());
        }
        $customerModel->setId($customer->getId());

        // Need to use attribute set or future updates can cause data loss
        if (!$customerModel->getAttributeSetId()) {
            $customerModel->setAttributeSetId(
                \Magento\Customer\Api\CustomerMetadataInterface::ATTRIBUTE_SET_ID_CUSTOMER
            );
        }
        // Populate model with secure data
        if ($customer->getId()) {
            $customerSecure = $this->customerRegistry->retrieveSecureData($customer->getId());
            $customerModel->setRpToken($customerSecure->getRpToken());
            $customerModel->setRpTokenCreatedAt($customerSecure->getRpTokenCreatedAt());
            $customerModel->setPasswordHash($customerSecure->getPasswordHash());
            $customerModel->setFailuresNum($customerSecure->getFailuresNum());
            $customerModel->setFirstFailure($customerSecure->getFirstFailure());
            $customerModel->setLockExpires($customerSecure->getLockExpires());
        } else {
            if ($passwordHash) {
                $customerModel->setPasswordHash($passwordHash);
            }
        }

        // If customer email was changed, reset RpToken info
        if ($prevCustomerData
            && $prevCustomerData->getEmail() !== $customerModel->getEmail()
        ) {
            $customerModel->setRpToken(null);
            $customerModel->setRpTokenCreatedAt(null);
        }
        $customerModel->save();
        $this->customerRegistry->push($customerModel);
        $customerId = $customerModel->getId();

        if ($customer->getAddresses() !== null) {
            if ($customer->getId()) {
                $existingAddresses = $this->getById($customer->getId())->getAddresses();
                $getIdFunc = function ($address) {
                    return $address->getId();
                };
                $existingAddressIds = array_map($getIdFunc, $existingAddresses);
            } else {
                $existingAddressIds = [];
            }

            $savedAddressIds = [];
            foreach ($customer->getAddresses() as $address) {
                $address->setCustomerId($customerId)
                    ->setRegion($address->getRegion());
                $this->addressRepository->save($address);
                if ($address->getId()) {
                    $savedAddressIds[] = $address->getId();
                }
            }

            $addressIdsToDelete = array_diff($existingAddressIds, $savedAddressIds);
            foreach ($addressIdsToDelete as $addressId) {
                $this->addressRepository->deleteById($addressId);
            }
        }

        $savedCustomer = $this->get($customer->getEmail(), $customer->getWebsiteId());
        $this->eventManager->dispatch(
            'customer_save_after_data_object',
            ['customer_data_object' => $savedCustomer, 'orig_customer_data_object' => $customer]
        );
        return $savedCustomer;
    }

    /**
     * {@inheritdoc}
     */
    public function get($email, $websiteId = null)
    {
        $customerModel = $this->customerRegistry->retrieveByEmail($email, $websiteId);
        return $customerModel->getDataModel();
    }

    /**
     * {@inheritdoc}
     */
    public function getById($customerId)
    {
        $customerModel = $this->customerRegistry->retrieve($customerId);
        return $customerModel->getDataModel();
    }

    /**
     * {@inheritdoc}
     */
    public function getList(SearchCriteriaInterface $searchCriteria)
    {
        $searchResults = $this->searchResultsFactory->create();
        $searchResults->setSearchCriteria($searchCriteria);
        /** @var \Magento\Customer\Model\ResourceModel\Customer\Collection $collection */
        $collection = $this->customerFactory->create()->getCollection();
        $this->extensionAttributesJoinProcessor->process($collection, 'Magento\Customer\Api\Data\CustomerInterface');
        // This is needed to make sure all the attributes are properly loaded
        foreach ($this->customerMetadata->getAllAttributesMetadata() as $metadata) {
            $collection->addAttributeToSelect($metadata->getAttributeCode());
        }
        // Needed to enable filtering on name as a whole
        $collection->addNameToSelect();
        // Needed to enable filtering based on billing address attributes
        $collection->joinAttribute('billing_postcode', 'customer_address/postcode', 'default_billing', null, 'left')
            ->joinAttribute('billing_city', 'customer_address/city', 'default_billing', null, 'left')
            ->joinAttribute('billing_telephone', 'customer_address/telephone', 'default_billing', null, 'left')
            ->joinAttribute('billing_region', 'customer_address/region', 'default_billing', null, 'left')
            ->joinAttribute('billing_country_id', 'customer_address/country_id', 'default_billing', null, 'left')
            ->joinAttribute('company', 'customer_address/company', 'default_billing', null, 'left');
        //Add filters from root filter group to the collection
        foreach ($searchCriteria->getFilterGroups() as $group) {
            $this->addFilterGroupToCollection($group, $collection);
        }
        $searchResults->setTotalCount($collection->getSize());
        $sortOrders = $searchCriteria->getSortOrders();
        if ($sortOrders) {
            /** @var SortOrder $sortOrder */
            foreach ($searchCriteria->getSortOrders() as $sortOrder) {
                $collection->addOrder(
                    $sortOrder->getField(),
                    ($sortOrder->getDirection() == SortOrder::SORT_ASC) ? 'ASC' : 'DESC'
                );
            }
        }
        $collection->setCurPage($searchCriteria->getCurrentPage());
        $collection->setPageSize($searchCriteria->getPageSize());
        $customers = [];
        /** @var \Magento\Customer\Model\Customer $customerModel */
        foreach ($collection as $customerModel) {
            $customers[] = $customerModel->getDataModel();
        }
        $searchResults->setItems($customers);
        return $searchResults;
    }

    /**
     * {@inheritdoc}
     */
    public function delete(\Magento\Customer\Api\Data\CustomerInterface $customer)
    {
        return $this->deleteById($customer->getId());
    }

    /**
     * {@inheritdoc}
     */
    public function deleteById($customerId)
    {
        $customerModel = $this->customerRegistry->retrieve($customerId);
        $customerModel->delete();
        $this->customerRegistry->remove($customerId);
        return true;
    }

    /**
     * Helper function that adds a FilterGroup to the collection.
     *
     * @param \Magento\Framework\Api\Search\FilterGroup $filterGroup
     * @param \Magento\Customer\Model\ResourceModel\Customer\Collection $collection
     * @return void
     * @throws \Magento\Framework\Exception\InputException
     */
    protected function addFilterGroupToCollection(
        \Magento\Framework\Api\Search\FilterGroup $filterGroup,
        \Magento\Customer\Model\ResourceModel\Customer\Collection $collection
    ) {
        $fields = [];
        foreach ($filterGroup->getFilters() as $filter) {
            $condition = $filter->getConditionType() ? $filter->getConditionType() : 'eq';
            $fields[] = ['attribute' => $filter->getField(), $condition => $filter->getValue()];
        }
        if ($fields) {
            $collection->addFieldToFilter($fields);
        }
    }
}