<?php

namespace App\Services;

use App\Exceptions\OrderPackageAlreadyCheckedException;
use App\Models\Order;
use App\Models\OrderPackage;
use Illuminate\Support\Carbon;

class OrderPackageService
{
    /**
     * 更新包裹状态
     *
     * @param \App\Models\OrderPackage $packages
     * @param int $status
     * @return void
     */
    public function updatePackageStatus(OrderPackage $package, int $status): void
    {
        // 如果不是签收包裹，则直接更新包裹状态
        if (! in_array($status, [OrderPackage::STATUS_CHECK, OrderPackage::STATUS_AUTOCHECK])) {
            $package->update([
                'status'=>$status,
            ]);

            return;
        }

        // 签收包裹
        $this->checkPackage($package, $status === OrderPackage::STATUS_AUTOCHECK);

        // 如果订单包裹未发完
        if ($package->order->isShipped()) {
            return;
        }

        // 如果订单有未作废且未签收的包裹
        if (! $package->order->where('is_failed', false)->unchecked()->exists()) {
            return;
        }

        // 自动完成订单
        $package->order->update([
            'status' => Order::STATUS_COMPLETED,
            'completed_at' => now(),
        ]);
    }

    /**
     * 签收包裹
     *
     * @param \App\Models\OrderPackage $package
     * @param bool $auto
     * @param \Illuminate\Support\Carbon|null $time
     * @return void
     *
     * @throws \App\Exceptions\OrderPackageAlreadyCheckedException
     */
    public function checkPackage(OrderPackage $package, bool $auto = false, ?Carbon $time = null)
    {
        if ($package->isChecked()) {
            throw new OrderPackageAlreadyCheckedException('包裹已签收');
        }

        $package->update([
            'status'=> $auto ? OrderPackage::STATUS_AUTOCHECK : OrderPackage::STATUS_CHECK,
            'checked_at' => $time ?: now(),
        ]);

        // 更新商品的售后过期时间
        $package->orderProducts()->update([
            'after_expire_at'=> $package->checked_at->addDays(config('settings.sale_after_expire_days', 7)),
        ]);
    }
}