<?php

namespace JR\NetSuite\Service;

use Magento\Customer\Api\CustomerRepositoryInterface;
use Magento\Customer\Api\Data\CustomerInterface;
use Magento\Customer\Api\Data\CustomerInterfaceFactory;
use Magento\Customer\Api\Data\AddressInterfaceFactory;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Exception\NoSuchEntityException;

class CustomersSyncService {

  /**
   * @var \Magento\Customer\Api\CustomerRepositoryInterface
   */
  protected $customerRepository;

  /**
   * @var \Magento\Customer\Api\Data\CustomerInterfaceFactory
   */
  protected $customerFactory;

  /**
   * @var \Magento\Customer\Api\Data\AddressInterfaceFactory
   */
  protected $addressFactory;

  /**
   * @var \JR\NetSuite\Helper\Data
   */

  protected $helper;

  /**
   * @var \JR\NetSuite\Logger\Logger
   */
  protected $logger;

  /**
   * CustomersSyncService constructor.
   * @param CustomerRepositoryInterface $customerRepository
   * @param CustomerInterfaceFactory $customerFactory
   * @param AddressInterfaceFactory $addressFactory
   * @param \JR\NetSuite\Helper\Data $helper
   * @param \JR\NetSuite\Logger\Logger $logger
   */
  public function __construct(
    CustomerRepositoryInterface $customerRepository,
    CustomerInterfaceFactory $customerFactory,
    AddressInterfaceFactory $addressFactory,
    \JR\NetSuite\Helper\Data $helper,
    \JR\NetSuite\Logger\Logger $logger
  ) {
    $this->customerRepository = $customerRepository;
    $this->customerFactory = $customerFactory;
    $this->addressFactory = $addressFactory;
    $this->helper = $helper;
    $this->logger = $logger;
  }

  /**
   * Create or Update a customer based on the provided data
   *
   * @param array $data
   * @return array
   * @throws LocalizedException
   */
  public function createOrSkip(array $data) {
    $this->logger->info("[CustomersSyncService] createOrSkip: customer data -> " . json_encode($data, JSON_PRETTY_PRINT));

    if (!isset($data['email']) || empty($data['email'])) {
      throw new LocalizedException(__('Email is required.'));
    }

    if (!filter_var($data['email'], FILTER_VALIDATE_EMAIL)) {
      throw new LocalizedException(__('Invalid email address.'));
    }

    try {
      // Try to load existing customer by email
      $customer = $this->customerRepository->get($data['email']);

      return [
        'data' => $customer,
        'is_new' => false
      ];
    } catch (NoSuchEntityException $e) {

      if (!isset($data['firstname']) || empty($data['firstname'])) {
        throw new LocalizedException(__('First name is required.'));
      }

      if (!isset($data['lastname']) || empty($data['lastname'])) {
        throw new LocalizedException(__('Last name is required.'));
      }

      // Customer does not exist, create a new one
      $customer = $this->customerFactory->create();

      $customer->setWebsiteId('1')->setStoreId('1');

      // Populate customer object with new data
      $customer->setEmail($data['email'])
               ->setFirstname($data['firstname'] ?? '')
               ->setLastname($data['lastname'] ?? '');

      // set customer group
      if (!empty($data['group_id'] ?? '')) {
        $customer->setGroupId($data['group_id']);
      }

      // set reporting office
      if (!empty($data['reporting_office'] ?? '')) {
        $customer->setNetsuiteCsegNcgRepOffice($data['reporting_office']);
      }

      // Additional data can be set as needed
      $customer
          // ->setCustomAttribute('is_active', $data['is_active'] ?? true)
          // ->setCustomAttribute('is_netsuite_customer', true)
          ->setCustomAttribute('company_name', $data['company_name'] ?? '')
          ->setCustomAttribute('netsuite_id', $data['netsuite_customer_id'] ?? '');

      // Save customer
      $customer = $this->customerRepository->save($customer);

      $addresses = [];
      // If shipping_address data is provided, create and associate address with customer
      $shippingAddressData = $data['shipping_address'] ?? null;
      if ($shippingAddressData && !empty($shippingAddressData['street'][0]) && !empty($shippingAddressData['city']) && !empty($shippingAddressData['postcode'])) {
        $shippingAddress = $this->addressFactory->create(['data' => $shippingAddressData]);
        $shippingAddress->setIsDefaultShipping(true);
        $addresses[] = $shippingAddress;
      }

      // If billing_address data is provided, create and associate address with customer
      $billingAddressData = $data['billing_address'] ?? null;
      if ($billingAddressData && !empty($billingAddressData['street'][0]) && !empty($billingAddressData['city']) && !empty($billingAddressData['postcode'])) {
        $billingAddress = $this->addressFactory->create(['data' => $billingAddressData]);
        $billingAddress->setIsDefaultBilling(true);
        $addresses[] = $billingAddress;
      }

      $customer->setAddresses($addresses);
      $customer = $this->customerRepository->save($customer);

      return [
        'data' => $customer,
        'is_new' => true
      ];
    }
  }

  /**
   * Save NetSuite Customer ID to Magento Customer
   *
   * @param string $email
   * @param string $netsuiteCustomerId
   * @return void
   */
  public function saveNetsuiteId(string $email, string $netsuiteCustomerId) {
    $customer = $this->customerRepository->get($email);
    $customer->setCustomAttribute('netsuite_id', $netsuiteCustomerId);
    $this->customerRepository->save($customer);
  }

}