<?php
/**
 * CheckoutController.php
 *
 * @copyright  2022 beikeshop.com - All Rights Reserved
 * @link       https://beikeshop.com
 * @author     Edward Yang <yangjin@guangda.work>
 * @created    2022-06-28 16:47:57
 * @modified   2022-06-28 16:47:57
 */

namespace Beike\Shop\Http\Controllers;

use Beike\Models\Product;
use Beike\Repositories\OrderRepo;
use Beike\Shop\Services\CheckoutService;
use Illuminate\Http\Request;

class CheckoutController extends Controller
{
    public function index()
    {
        try {
            $data = (new CheckoutService)->checkoutData();
            $data = hook_filter('checkout.index.data', $data);
            // 判断:当前购物车商品是否符合下单条件
            $carts = $data['carts']['carts'] ?? [];
            $cartQuantity = collect($carts)->groupBy('product_id')->map(function($productGroup){
                $first = $productGroup->first();
                return [
                    'product_id'     => $first['product_id'],
                    'total_quantity' => $productGroup->sum('quantity'),
                    'name_format'    => $first['name_format'],
                    'minimum_order'  => $first['minimum_order'],
                    'sales_method'   => $first['sales_method'],
                    'piece_to_batch' => $first['piece_to_batch'],
                ];
            })->toArray();
            foreach($carts as $cartItem){
                $productInfo = $cartQuantity[$cartItem['product_id']];
                // 判断：起订量 如果大于购买数量 不符合下单条件
                $minimumOrder = $productInfo['sales_method'] == 'batches' ? ($productInfo['minimum_order'] *  $productInfo['piece_to_batch']) : $productInfo['minimum_order'];// 起订量
                if($minimumOrder > $productInfo['total_quantity']){
                    throw new \Exception(trans('product.quantity_error_mini',[
                        'goods_name'=>$productInfo['name_format'],
                        'num'=>$minimumOrder,
                    ]));
                    break;
                }
                // 判断：批量销售商品 购买总数量必须是N的倍数  否则不符合下单条件
                $pieceToBatch = $productInfo['sales_method'] == 'batches' ? $productInfo['piece_to_batch'] : 1;// 倍数
                if(($productInfo['total_quantity'] % $pieceToBatch) != 0){
                    throw new \Exception(trans('product.quantity_error_multiple',[
                        'goods_name'=>$productInfo['name_format'],
                        'num'=>$pieceToBatch,
                    ]));
                    break;
                }
            }


            return view('checkout', $data);
        } catch (\Exception $e) {
            return redirect(shop_route('carts.index'))->withErrors(['error' => $e->getMessage()]);
        }
    }

    /**
     * 更改结算信息
     *
     * @param Request $request
     * @return mixed
     */
    public function update(Request $request): mixed
    {
        try {
            $requestData = $request->all();

            $data = (new CheckoutService)->update($requestData);

            return hook_filter('checkout.update.data', $data);
        } catch (\Exception $e) {
            return json_fail($e->getMessage());
        }
    }

    /**
     * 确认提交订单
     *
     * @return mixed
     * @throws \Throwable
     */
    public function confirm()
    {
        try {
            $checkoutService = new CheckoutService;
            $selectedProducts = $checkoutService->selectedProducts->toArray();
            foreach($selectedProducts as $product){
                if($product['product']['active'] == FALSE){
                    return json_fail(trans('common.product_active_false'));
                }
            }
            $data = $checkoutService->confirm();

            return hook_filter('checkout.confirm.data', $data);
        } catch (\Exception $e) {
            return json_fail($e->getMessage());
        }
    }

    public function success()
    {
        $order_number = request('order_number');

        $customer = current_customer();
        $order    = OrderRepo::getOrderByNumber($order_number, $customer);
        $data     = hook_filter('account.order.show.data', ['order' => $order, 'html_items' => []]);

        return view('checkout/success', $data);
    }
}