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

declare(strict_types=1);

namespace App\Service\Admin\Good;

use App\Cache\Redis\Api\GoodCache;
use App\Constants\Common\GoodCode;
use App\Exception\ErrException;
use App\Model\Purchase;
use App\Model\Sku;
use App\Model\Spu;
use App\Service\Admin\BaseService;
use App\Service\ServiceTrait\Common\OssTrait;
use Hyperf\DbConnection\Db;
use Hyperf\Di\Annotation\Inject;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class PurchaseService extends BaseService
{
    use OssTrait;

    /**
     * @var Sku
     */
    #[Inject]
    protected Sku $skuModel;

    /**
     * @var Spu
     */
    #[Inject]
    protected Spu $spuModel;

    /**
     * @var GoodCache
     */
    #[Inject]
    protected GoodCache $goodCache;

    /**
     * @return array
     */
    public function handle(): array
    {
        $limit = (int)$this->request->input('limit', 10);
        $cycleId = (int)$this->request->input('cycle_id');
        $kitchenId = (int)$this->request->input('search_kitchen_id');
        $cityId = (int)$this->request->input('search_city_id');

        $list = $this->spuModel
            ->where('cycle_id',$cycleId)
            ->where('city_id',$cityId)
            ->where('kitchen_id',$kitchenId)
            ->paginate($limit)
            ->toArray();

        if (empty($list['data'])) return $this->return->success('success', ['list' => $list]);

        $skuIds = array_unique(explode(',',implode(',',array_column($list['data'],'sku_ids'))));
        $skuNameList = $this->skuModel->whereIn('id',$skuIds)->pluck('title','id')->toArray();

        $imageIds = array_column($list['data'],'image_ids');
        $imageList = $this->getOssObjects($imageIds);

        foreach ($list['data'] as &$one) {
            $oneSkuName = [];
            foreach (explode(',',$one['sku_ids']) as $skuId) {
                $oneSkuName[] = $skuNameList[$skuId] ?? '';
            }

            $one['url'] = $imageList[$one['image_id']]['url'] ?? '';
            $one['sku_name'] = $oneSkuName;
        }

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

    /**
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function add(): array
    {
        $cycleId = (int)$this->request->input('cycle_id');
        $kitchenId = (int)$this->request->input('kitchen_id');
        $ids = explode(',', $this->request->input('ids'));

        sort($ids);

        $spuList = $this->spuModel->getListByCycleIdAndType($cycleId, $kitchenId,GoodCode::SPU_TYPE_OPTIONAL);
        if ($spuList->isEmpty()) throw new ErrException('今日无菜品数据');
        $spuIds = array_column($spuList->toArray(), 'id');
        $skuList = $this->skuModel->getListBySpuIds($spuIds);
        if ($skuList->isEmpty()) throw new ErrException('今日无菜品数据');
        $occupied = array_column($skuList->toArray(), 'occupied','id');
        $skuToSpu = array_column($skuList->toArray(), 'spu_id','id');
        $skuIds = array_keys($skuToSpu);

        $this->check($ids, $skuIds,$skuToSpu,$occupied);

        Db::transaction(function () use ($ids, $cycleId, $kitchenId){
            $insertModel = new Purchase();

            $insertModel->cycle_id = $cycleId;
            $insertModel->kitchen_id = $kitchenId;
            $insertModel->city_id = $this->request->input('city_id');
            $insertModel->sku_ids = implode(',', $ids);
            $insertModel->image_id = $this->request->input('image_id');
            $insertModel->name = $this->request->input('name');
            $insertModel->remark = $this->request->input('remark');

            if (!$insertModel->save()) throw new ErrException('添加失败');

            $this->updateOssObjects([$this->request->input('image_id')]);
        });

        $this->goodCache->delPurchaseCache($kitchenId,$cycleId);

        return $this->return->success();
    }

    /**
     * @param array $ids
     * @param array $skuIds
     * @param array $skuToSpu
     * @param array $occupied
     * @return void
     */
    private function check(array $ids, array $skuIds, array $skuToSpu, array $occupied): void
    {
        if (empty($ids) || empty($skuIds) || empty($skuToSpu) || empty($occupied)) throw new ErrException('数据异常');

        $spuArr = [];
        $occupiedTwo = 0;
        $occupiedOne = 0;
        foreach ($ids as $one) {
            if (!in_array($one, $skuIds)) throw new ErrException('菜品数据异常-01，添加失败');

            if (in_array($skuToSpu[$one], $spuArr)) throw new ErrException('不符合四选一的规则，不能重复添加');

            if (!isset($occupied[$one])) throw new ErrException('菜品数据异常-02，添加失败');
            if ($occupied[$one] == 2) {
                $occupiedTwo++;

                if ($occupied > 3) throw new ErrException('不符合目前盒子的规则01，添加失败');
            } elseif ($occupied[$one] == 1) {
                $occupiedOne++;
            }

            $spuArr[] = $skuToSpu[$one];
        }

        if ($occupiedOne >= (9 - 2 * $occupiedTwo)) throw new ErrException('不符合目前盒子的规则02，添加失败');
    }

    /**
     * @var Purchase
     */
    #[Inject]
    protected Purchase $purchaseModel;

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

        $info = $this->purchaseModel->find($id);

        if (empty($info)) throw new ErrException('数据不存在');

        $info->delete();
        if (!$info->save()) throw new ErrException('删除失败');

        $this->goodCache->delPurchaseCache($info->kitchen_id,$info->cycle_id);

        return $this->return->success();
    }
}