<?php

namespace App\Console\Commands\Dealer;

use App\Models\Dealer;
use App\Models\DealerManagerSalesLog;
use App\Models\DealerOrder;
use App\Models\UserInfo;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Throwable;

class OrderProcessCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'dealer:order-process';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '处理结算状态是待处理的已付款经销商订单';

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        DealerOrder::chunkById(200, function ($orders) {
            $orders->load(['userInfo.dealer', 'products']);

            foreach ($orders as $order) {
                try {
                    DB::beginTransaction();

                    $this->processOrder($order);

                    DB::commit();
                } catch (Throwable $e) {
                    DB::rollBack();

                    report($e);
                }
            }
        });

        return 0;
    }

    /**
     * 处理经销商订单
     *
     * @param \App\Models\DealerOrder $order
     * @return void
     */
    protected function processOrder(DealerOrder $order)
    {
        $tz = now();

        $dealers = $this->getDealers($userInfo = $order->userInfo);

        // 如果当前用户的上级有管理者，则需要增加管理者的商品销售业绩
        if ($manager = $this->firstManager([$userInfo->dealer, ...$dealers])) {
            DealerManagerSalesLog::insert(
                $order->products->map(function ($product) use ($manager, $tz) {
                    return [
                        'user_id' => $manager->user_id,
                        'order_id' => $product->order_id,
                        'product_id' => $product->product_id,
                        'lvl' => $manager->lvl,
                        'sales_volume' => $product->qty,
                        'created_at' => $tz,
                        'updated_at' => $tz,
                    ];
                })->all()
            );
        }
    }

    /**
     * 从给定的经销商中获取第一个管理者
     *
     * @param array $dealers
     * @return \App\Models\Dealer|null
     */
    protected function firstManager(array $dealers): ?Dealer
    {
        foreach ($dealers as $dealer) {
            if ($dealer->is_manager) {
                return $dealer;
            }
        }
    }

    /**
     * 获取给定用户的上级经销商
     *
     * @param \App\Models\UserInfo $userInfo
     * @return array
     */
    protected function getDealers(UserInfo $userInfo)
    {
        $ancestors = [];

        if (empty($pids = $userInfo->parent_ids)) {
            return $ancestors;
        }

        $ancestors = UserInfo::with(['dealer'])
                        ->whereIn('user_id', $pids)
                        ->latest('depth')
                        ->get(['user_id', 'depth']);

        return $ancestors->map(function ($item) {
            return $item->dealer;
        })->all();
    }
}