<?php
/**
 * Mageplaza
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Mageplaza.com license that is
 * available through the world-wide-web at this URL:
 * https://www.mageplaza.com/LICENSE.txt
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade this extension to newer
 * version in the future.
 *
 * @category    Mageplaza
 * @package     Mageplaza_EditOrder
 * @copyright   Copyright (c) Mageplaza (https://www.mageplaza.com/)
 * @license     https://www.mageplaza.com/LICENSE.txt
 */

namespace Mageplaza\EditOrder\Controller\Adminhtml\Items;

use Exception;
use Magento\Backend\App\Action\Context;
use Magento\Backend\Model\Session;
use Magento\Backend\Model\View\Result\ForwardFactory;
use Magento\Catalog\Helper\Product;
use Magento\Framework\App\ResponseInterface;
use Magento\Framework\Controller\Result\Raw;
use Magento\Framework\Controller\Result\RawFactory;
use Magento\Framework\Controller\Result\Redirect;
use Magento\Framework\Controller\ResultInterface;
use Magento\Framework\Escaper;
use Magento\Framework\View\Result\Page;
use Magento\Framework\View\Result\PageFactory;
use Magento\Sales\Api\OrderRepositoryInterface;
use Magento\Sales\Controller\Adminhtml\Order\Create;

/**
 * Class LoadBlock
 * @package Mageplaza\EditOrder\Block\Adminhtml\Items
 */
class LoadBlock extends Create
{
    /**
     * @var RawFactory
     */
    protected $resultRawFactory;

    /**
     * @var OrderRepositoryInterface
     */
    protected $orderRepository;

    /**
     * LoadBlock constructor
     *
     * @param Context $context
     * @param Product $productHelper
     * @param Escaper $escaper
     * @param PageFactory $resultPageFactory
     * @param ForwardFactory $resultForwardFactory
     * @param RawFactory $resultRawFactory
     * @param OrderRepositoryInterface $orderRepository
     */
    public function __construct(
        Context $context,
        Product $productHelper,
        Escaper $escaper,
        PageFactory $resultPageFactory,
        ForwardFactory $resultForwardFactory,
        RawFactory $resultRawFactory,
        OrderRepositoryInterface $orderRepository
    ) {
        $this->resultRawFactory = $resultRawFactory;
        $this->orderRepository  = $orderRepository;
        parent::__construct(
            $context,
            $productHelper,
            $escaper,
            $resultPageFactory,
            $resultForwardFactory
        );
    }

    /**
     * Loading page block
     *
     * @return ResponseInterface|Raw|Redirect|ResultInterface
     */
    public function execute()
    {
        $request = $this->getRequest();

        try {
            $this->_initSession()->_processData();
        } catch (Exception $e) {
            $this->_reloadQuote();
            $this->messageManager->addExceptionMessage($e, $e->getMessage());
        }

        $asJson = $request->getParam('json');

        /** @var Page $resultPage */
        $resultPage = $this->resultPageFactory->create();

        if ($asJson) {
            $resultPage->addHandle('sales_order_create_load_block_json');
        } else {
            $resultPage->addHandle('sales_order_create_load_block_plain');
        }

        $resultPage->addHandle('mpeditorder_load_block_items');
        $resultPage->addHandle('mpeditorder_load_block_message');

        $result = $resultPage->getLayout()->renderElement('content');

        if ($request->getParam('as_js_varname')) {
            $this->_objectManager->get(Session::class)->setUpdateResult($result);
            return $this->resultRedirectFactory->create()->setPath('sales/order_edit/showUpdateResult');
        }

        return $this->resultRawFactory->create()->setContents($result);
    }

    /**
     * Initialize order creation session data
     *
     * @return $this
     */
    protected function _initSession()
    {
        /**
         * Identify customer
         */
        $orderId = $this->getRequest()->getParam('order_id');
        if ($orderId) {
            try {
                $order = $this->orderRepository->get($orderId);

                if ($customerId = $order->getCustomerId()) {
                    $this->_getSession()->setCustomerId((int)$customerId);
                }

                $storeId = $this->getRequest()->getParam('store_id') ?: $order->getStoreId();
                $this->_getSession()->setStoreId((int)$storeId);
            } catch (\Exception $e) {
                $this->messageManager->addErrorMessage(__('Unable to load order: %1', $e->getMessage()));
            }
        }

        /**
         * Identify currency
         */
        if ($currencyId = $this->getRequest()->getParam('currency_id')) {
            $this->_getSession()->setCurrencyId((string)$currencyId);
            $this->_getOrderCreateModel()->setRecollect(true);
        }
        return $this;
    }

    /**
     * function debug session data.
     * @return array
     */
    public function checkSessionData()
    {
        $customerId = $this->_getSession()->getCustomerId();
        $storeId = $this->_getSession()->getStoreId();
        $currencyId = $this->_getSession()->getCurrencyId();

        return [
            'customer_id' => $customerId,
            'store_id' => $storeId,
            'currency_id' => $currencyId,
        ];
    }
}