<?php
/**
 * CheckoutService.php
 *
 * @copyright  2022 opencart.cn - All Rights Reserved
 * @link       http://www.guangdawangluo.com
 * @author     Edward Yang <yangjin@opencart.cn>
 * @created    2022-06-30 19:37:05
 * @modified   2022-06-30 19:37:05
 */

namespace Beike\Shop\Services;

use Beike\Models\Cart;
use Beike\Models\Customer;
use Beike\Repositories\CartRepo;
use Beike\Repositories\OrderRepo;
use Beike\Repositories\PluginRepo;
use Beike\Repositories\AddressRepo;
use Beike\Repositories\CountryRepo;
use Beike\Shop\Http\Resources\Checkout\PaymentMethodItem;
use Beike\Shop\Http\Resources\Checkout\ShippingMethodItem;

class CheckoutService
{
    private $customer;
    private $cart;

    public function __construct($customer = null)
    {
        if (is_int($customer) || empty($customer)) {
            $this->customer = current_customer();
        }
        if (empty($this->customer) || !($this->customer instanceof Customer)) {
            throw new \Exception("购物车客户无效");
        }
        $this->cart = CartRepo::createCart($this->customer->id);
    }

    /**
     * 更新结账页数据
     *
     * @param $requestData ['shipping_address_id'=>1, 'payment_address_id'=>2, 'shipping_method'=>'code', 'payment_method'=>'code']
     * @return array
     */
    public function update($requestData): array
    {
        $shippingAddressId = $requestData['shipping_address_id'] ?? 0;
        $paymentAddressId = $requestData['payment_address_id'] ?? 0;
        $shippingMethod = $requestData['shipping_method'] ?? '';
        $paymentMethod = $requestData['payment_method'] ?? '';
        if ($shippingAddressId) {
            $this->updateShippingAddressId($shippingAddressId);
        }
        if ($paymentAddressId) {
            $this->updatePaymentAddressId($shippingAddressId);
        }
        if ($shippingMethod) {
            $this->updateShippingMethod($shippingMethod);
        }
        if ($paymentMethod) {
            $this->updatePaymentMethod($paymentMethod);
        }
        return $this->checkoutData();
    }


    /**
     * 确认提交订单
     */
    public function confirm(): array
    {
        $data = [];
        OrderRepo::createOrder($data);
        return $this->checkoutData();
    }


    private function updateShippingAddressId($shippingAddressId)
    {
        $this->cart->update(['shipping_address_id', $shippingAddressId]);
    }

    private function updatePaymentAddressId($paymentAddressId)
    {
        $this->cart->update(['payment_address_id', $paymentAddressId]);
    }

    private function updateShippingMethod($shippingMethod)
    {
        $this->cart->update(['shipping_method_code', $shippingMethod]);
    }

    private function updatePaymentMethod($paymentMethod)
    {
        $this->cart->update(['payment_method_code', $paymentMethod]);
    }

    /**
     * 获取结账页数据
     *
     * @return array
     */
    public function checkoutData(): array
    {
        $customer = current_customer();

        $addresses = AddressRepo::listByCustomer(current_customer());
        $shipments = ShippingMethodItem::collection(PluginRepo::getShippingMethods())->jsonSerialize();
        $payments = PaymentMethodItem::collection(PluginRepo::getPaymentMethods())->jsonSerialize();

        $cartList = CartService::list($customer, true);
        $carts = CartService::reloadData($cartList);

        $data = [
            'current' => [
                'shipping_address_id' => 7,
                'payment_address_id' => 3,
                'shipping_method' => 'flat_shipping',
                'payment_method' => 'bk_stripe',
            ],
            'country_id' => (int)setting('country_id'),
            'customer_id' => $customer->id ?? null,
            'countries' => CountryRepo::all(),
            'addresses' => $addresses,
            'shipping_methods' => $shipments,
            'payment_methods' => $payments,
            'carts' => $carts
        ];
        return $data;
    }
}