<?php
/**
 * This service file is part of item.
 *
 * @author   ctexthuang
 * @contact  ctexthuang@qq.com
 */

declare(strict_types=1);

namespace App\Service\Admin\Catering\Meal;

use App\Constants\Admin\CateringCode;
use App\Constants\Common\OrderCode;
use App\Exception\ErrException;
use App\Model\Order;
use App\Model\OrderGood;
use App\Model\OrderMealCateringLog;
use App\Model\Site;
use App\Service\Admin\Catering\CateringBaseService;
use App\Service\ServiceTrait\Admin\Catering\PrintTrait;
use Exception;
use Hyperf\DbConnection\Db;
use Hyperf\Di\Annotation\Inject;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class CateringService extends CateringBaseService
{
    use PrintTrait;

    /**
     * @var OrderMealCateringLog
     */
    #[Inject]
    protected OrderMealCateringLog $orderMealCateringLogModel;

    /**
     * @var Order
     */
    #[Inject]
    protected Order $orderModel;

    /**
     * @var OrderGood
     */
    #[Inject]
    protected OrderGood $orderGoodModel;

    /**
     * @var OrderMealCateringLog
     */
    protected OrderMealCateringLog $logInfo;

    /**
     * @var Site
     */
    protected Site $siteInfo;

    /**
     * @var int
     */
    protected int $resCount = 0;

    /**
     * @var int 关闭站点标识 0 未关闭 1 关闭
     */
    protected int $closeSiteFlag = 0;

    /**
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function handle(): array
    {
        $id = (int)$this->request->input('id');

        // 获取数据源
        $this->logInfo = $this->orderMealCateringLogModel->find($id);
        $this->siteInfo = $this->siteModel->find($this->logInfo->site_id);

        // 检测数据
        $this->check();

        // 生成 key
        $this->__initMealRedisKey();

        try {
            Db::beginTransaction();

            // 配餐
            $this->catering();

            // 查询该点所有套餐是否已经配餐 如果是就缓存关闭该点
            $this->isCloseMealSite();

            Db::commit();
        }catch (Exception|ErrException $e) {
            Db::rollBack();
            throw new ErrException($e->getMessage());
        }
        // 加缓存
        $this->joinMealCateringCache();

        // 关闭线路缓存
        if ($this->closeSiteFlag == 1) $this->closeMealWholeLine();

        return $this->return->success('success',['num' => $this->resCount]);
    }

    /**
     * @return void
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    private function isCloseMealSite(): void
    {
        $res = $this->orderMealCateringLogModel
            ->where('site_id', $this->siteInfo->id)
            ->where('cycle_id', $this->logInfo->cycle_id)
            ->where('quantity','>',0)
            ->count() ?? 0;

        if ($res > 0) return; // 证明还没完结 配餐 跳出

        $this->closeMealSite();

        $orderIds = $this->orderModel
            ->where('site_id', $this->siteInfo->id)
            ->where('cycle_id', $this->logInfo->cycle_id)
            ->where('type',OrderCode::ORDER_TYPE_MEAL)
            ->pluck('order_id')
            ->toArray();
        if (empty($orderIds)) throw new ErrException('配餐失败，更新逻辑失败');

        foreach (array_chunk($orderIds, 100) as $chunk) {
            if (!$this->orderModel->isCateringByOrderIds($chunk) || !$this->orderGoodModel->isCateringByOrderIds($chunk)) throw new ErrException('修改订单数据状态失败');
        }

        $this->closeSiteFlag = 1;
    }

    /**
     * @return void
     */
    private function catering(): void
    {
        $this->logInfo->status = CateringCode::CATERING_STATUS_FINISH;
        if (!$this->logInfo->save()) throw new ErrException('配餐失败1');
    }

    /**
     * @return void
     */
    private function check(): void
    {
        if (empty($this->logInfo)) throw new ErrException('配餐数据不存在');

        if ($this->logInfo->quantity <= 0) throw new ErrException('该配餐数量为0，不可配餐');

        $this->resCount = $this->logInfo->quantity;

        $allOrderIds = $this->orderModel
            ->where('site_id', $this->logInfo->site_id)
            ->where('cycle_id', $this->cycleId)
            ->where('type',OrderCode::ORDER_TYPE_MEAL)
            ->where('status',OrderCode::PAYED)
            ->pluck('id')
            ->toArray();

        $totalCopies = $this->orderGoodModel
            ->whereIn('order_id', $allOrderIds)
            ->where('cycle_id', $this->cycleId)
            ->where('sku_id', $this->logInfo->sku_id)
            ->sum('copies') ?? 0;

        if ($totalCopies != $this->logInfo->quantity) $this->resCount = (int)$totalCopies;
    }
}