<?php
require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");

use Bitrix\Main\Config\Option;
use Bitrix\Sale;
use Bitrix\Main\Loader;

$response = array();

try {
    if ($_SERVER["REQUEST_METHOD"] == "POST") {
        if (!Loader::includeModule('sale')) {
            $response = array(
                'success' => false,
                'message' => 'Модуль Интернет-магазин не подключен'
            );
        } else {
            $name = trim($_POST["name"]);
            $phone = trim($_POST["phone"]);
            $email = trim($_POST["email"]);
			
			$recaptcha_response = trim($_POST["recaptcha_response"]);
	
			if ($recaptcha_response){
				$recaptcha_url = 'https://www.google.com/recaptcha/api/siteverify';
				$recaptcha_secret_key = '6LcSCXArAAAAAEdhWbATecK4jwMK9WvZbUV2szrY';
			 
				$recaptcha = file_get_contents($recaptcha_url . '?secret=' . $recaptcha_secret_key . '&response=' . $recaptcha_response);
				$recaptcha = json_decode($recaptcha);
			 
				//score от 0.1 до 1.0
				if ($recaptcha->score <= 0.4) return;	
			}
			
            $deliveryMethod = trim($_POST["delivery_method"]);
            $pickupAddress = trim($_POST["pickup_address"]);
            $address = trim($_POST["address"]);
            $comment = trim($_POST["comment"]);
            $paymentMethod = trim($_POST["payment_method"]);
            $fastProduct = trim($_POST["fast_product"]);

            if (empty($name) || empty($phone)) {
                $response = array(
                    'success' => false,
                    'message' => 'Заполните обязательные поля (Имя и телефон)'
                );
            } else {
                try {
                    $fUserId = Sale\Fuser::getId();
                    $basketInfo = array();

                    if (empty($fastProduct)) {
                        // Стандартная корзина пользователя
                        $basket = Sale\Basket::loadItemsForFUser($fUserId, SITE_ID);

                        if ($basket->isEmpty()) {
                            $response = array(
                                'success' => false,
                                'message' => 'Корзина пуста'
                            );
                            header('Content-Type: application/json');
                            echo json_encode($response, JSON_UNESCAPED_UNICODE);
                            return;
                        }

                        foreach ($basket as $basketItem) {
                            $basketInfo[] = array(
                                'name' => $basketItem->getField('NAME'),
                                'quantity' => $basketItem->getQuantity(),
                                'price' => $basketItem->getPrice(),
                                'product_id' => $basketItem->getProductId(),
                                'id' => $basketItem->getId()
                            );
                        }
                    } else {
                        // Быстрый заказ — создаём пустую корзину вручную
                        $basket = Sale\Basket::create(SITE_ID);

                        $item = $basket->createItem('catalog', 0); // фиктивный product_id
                        $item->setFields(array(
                            'NAME' => 'Заказ - ' . $fastProduct,
                            'QUANTITY' => 1,
                            'PRICE' => 0
                        ));

                        $basketInfo[] = array(
                            'name' => 'Заказ - ' . $fastProduct,
                            'quantity' => 1,
                            'price' => 0,
                            'product_id' => 0,
                            'id' => 'virtual'
                        );
                    }

                    // Получаем тип плательщика
                    $personTypes = \CSalePersonType::GetList(
                        array("SORT" => "ASC"),
                        array("ACTIVE" => "Y", "LID" => SITE_ID)
                    );

                    $personTypeId = 1;
                    if ($personType = $personTypes->Fetch()) {
                        $personTypeId = $personType['ID'];
                    }

                    // Создаем заказ
                    $order = Sale\Order::create(SITE_ID, $fUserId);
                    $order->setPersonTypeId($personTypeId);
                    $order->setBasket($basket);

                    // Устанавливаем свойства заказа
                    $propertyCollection = $order->getPropertyCollection();

                    foreach ($propertyCollection as $property) {
                        $propertyCode = $property->getField('CODE');

                        switch ($propertyCode) {
                            case 'FIO':
                            case 'NAME':
                                $property->setValue($name);
                                break;
                            case 'PHONE':
                                $property->setValue($phone);
                                break;
                            case 'EMAIL':
                                if ($email) {
                                    $property->setValue($email);
                                }
                                break;
                            case 'ADDRESS':
                                if ($deliveryMethod == 'service-delivery' && $address) {
                                    $property->setValue($address);
                                }
                                break;
                            case 'COMMENT':
                                if ($comment) {
                                    $property->setValue($comment);
                                }
                                break;
                        }
                    }

                    // Создаем отгрузку
                    $shipmentCollection = $order->getShipmentCollection();

                    foreach ($shipmentCollection as $shipment) {
                        if (!$shipment->isSystem()) {
                            $shipmentCollection->deleteItem($shipment);
                        }
                    }

                    $shipment = $shipmentCollection->createItem();

                    try {
                        $deliveryServices = Sale\Delivery\Services\Manager::getActiveList();
                        if (!empty($deliveryServices)) {
                            $deliveryId = array_keys($deliveryServices)[0];
                            $shipment->setField('DELIVERY_ID', $deliveryId);
                            $shipment->setField('ALLOW_DELIVERY', 'Y');
                        }
                    } catch (Exception $e) {
                        // Продолжаем без доставки
                    }

                    $shipmentItemCollection = $shipment->getShipmentItemCollection();
                    foreach ($basket as $basketItem) {
                        $item = $shipmentItemCollection->createItem($basketItem);
                        $item->setQuantity($basketItem->getQuantity());
                    }

                    // Создаем оплату
                    $paymentCollection = $order->getPaymentCollection();

                    foreach ($paymentCollection as $payment) {
                        $paymentCollection->deleteItem($payment);
                    }

                    $payment = $paymentCollection->createItem();

                    try {
                        $paySystemServices = Sale\PaySystem\Manager::getList(array(
                            'filter' => array('ACTIVE' => 'Y'),
                            'order' => array('SORT' => 'ASC')
                        ))->fetchAll();

                        if (!empty($paySystemServices)) {
                            $paySystemId = $paySystemServices[0]['ID'];
                            $payment->setField('PAY_SYSTEM_ID', $paySystemId);
                            $payment->setField('SUM', $order->getPrice());
                        }
                    } catch (Exception $e) {
                        // Продолжаем без платежной системы
                    }

                    // Сохраняем заказ
                    $result = $order->save();

                    if ($result->isSuccess()) {
                        $orderId = $order->getId();
                        $orderAccountNumber = $order->getField('ACCOUNT_NUMBER');

                        $logInfo = "Заказ создан: ID={$orderId}, USER_ID={$fUserId}, Товаров в корзине: " . count($basketInfo);
                        file_put_contents($_SERVER["DOCUMENT_ROOT"] . "/local/logs/orders.log",
                            date('Y-m-d H:i:s') . " - " . $logInfo . " - " . json_encode($basketInfo, JSON_UNESCAPED_UNICODE) . "\n",
                            FILE_APPEND | LOCK_EX);

                        $orderPrice = $order->getPrice();
                        $currency = $order->getCurrency();
                        $formattedPrice = \CCurrencyLang::CurrencyFormat($orderPrice, $currency);

                        // Отправляем уведомление
                        CEvent::Send(
                            "SALE_NEW_ORDER",
                            SITE_ID,
                            array(
                                "ORDER_ID" => $orderId,
                                "ORDER_DATE" => date("d.m.Y H:i:s"),
                                "USER_NAME" => $name,
                                "USER_PHONE" => $phone,
                                "USER_EMAIL" => $email ?: '',
                                "PRICE" => $formattedPrice,
                                "CURRENCY" => $currency,
                                "EMAIL" => Option::get("main", "email_from"),
                                "FAST_PRODUCT" => $fastProduct // Можно использовать в шаблоне письма!
                            )
                        );

                        // Очищаем корзину ТОЛЬКО если это был обычный заказ
                        if (empty($fastProduct)) {
                            try {
                                $basketForClear = Sale\Basket::loadItemsForFUser($fUserId, SITE_ID);
                                $basketForClear->clearCollection();
                                $basketForClear->save();

                                file_put_contents($_SERVER["DOCUMENT_ROOT"] . "/local/logs/orders.log",
                                    date('Y-m-d H:i:s') . " - Корзина очищена для заказа ID={$orderId}\n",
                                    FILE_APPEND | LOCK_EX);
                            } catch (Exception $e) {
                                file_put_contents($_SERVER["DOCUMENT_ROOT"] . "/local/logs/orders.log",
                                    date('Y-m-d H:i:s') . " - Ошибка очистки корзины для заказа ID={$orderId}: " . $e->getMessage() . "\n",
                                    FILE_APPEND | LOCK_EX);
                            }
                        }

                        $response = array(
                            'success' => true,
                            'message' => 'Заказ успешно оформлен',
                            'order_id' => $orderId,
                            'account_number' => $orderAccountNumber,
                            'admin_link' => "/bitrix/admin/sale_order_view.php?ID={$orderId}",
                            'redirect' => '/personal/orders/?ORDER_ID=' . $orderId,
                            'debug_info' => array(
                                'person_type_id' => $personTypeId,
                                'fuser_id' => $fUserId,
                                'site_id' => SITE_ID,
                                'price' => $orderPrice,
                                'currency' => $currency,
                                'basket_items' => count($basketInfo),
                                'items' => $basketInfo,
                                'fast_product' => $fastProduct
                            )
                        );
                    } else {
                        $errors = $result->getErrorMessages();
                        $response = array(
                            'success' => false,
                            'message' => 'Ошибка при создании заказа: ' . implode(', ', $errors),
                            'errors' => $errors
                        );
                    }
                } catch (Exception $e) {
                    $response = array(
                        'success' => false,
                        'message' => 'Произошла ошибка: ' . $e->getMessage(),
                        'trace' => $e->getTraceAsString()
                    );
                }
            }
        }
    } else {
        $response = array(
            'success' => false,
            'message' => 'Неверный метод запроса'
        );
    }
} catch (Exception $e) {
    $response = array(
        'success' => false,
        'message' => 'Критическая ошибка: ' . $e->getMessage()
    );
}

header('Content-Type: application/json');
echo json_encode($response, JSON_UNESCAPED_UNICODE);