<?php

namespace addons\CloudStock\common\services;

use addons\CloudStock\common\models\CloudStockAgentGoods;
use common\enums\StatusEnum;
use common\models\goods\Goods;
use common\models\goods\GoodsAttr;

class CloudStockAgentGoodsService extends BaseService
{
    /**
     * 检查代理商品是否存在
     *
     * @param int $goodsId
     *
     * @return bool
     */
    public function goodsExist(int $goodsId)
    {
        return (bool)CloudStockAgentGoods::find()
            ->where([
                'goods_id' => $goodsId,
                'user_id'  => $this->user_id,
                'status'   => StatusEnum::ENABLED,
                'mall_id'  => $this->mall_id
            ])
            ->count();
    }

    /**
     * 获取商品库存
     *
     * @param array $goodsIds
     *
     * @return array
     */
    public function getGoodsStock(array $goodsIds): array
    {
        return CloudStockAgentGoods::find()
            ->where([
                'goods_id' => $goodsIds,
                'user_id'  => $this->user_id,
                'status'   => StatusEnum::ENABLED,
                'mall_id'  => $this->mall_id
            ])
            ->select('num')
            ->indexBy('goods_id')
            ->column();
    }

    /**
     * 验证给定商品id和数量，验证商品库存是否足够
     *
     * @param array $goodsGoodsNumList
     *
     * @return bool
     */
    public function checkGoodsStockByGoodsIds(array $goodsGoodsNumList): bool
    {
        $goodsIds = array_column($goodsGoodsNumList, 'goods_id');

        $goodsStock = $this->getGoodsStock($goodsIds);

        foreach ($goodsGoodsNumList as $item) {
            $goodsId = $item['goods_id'];

            if (!isset($goodsStock[$goodsId])) {
                $this->setError(sprintf('未查询到商品，商品ID：%d', $goodsId));
                return false;
            }

            if ($goodsStock[$goodsId] < $item['num']) {
                $this->setError(sprintf('商品ID：%d 库存不足，剩余%d件', $goodsId, $goodsStock[$goodsId]));
                return false;
            }
        }

        return true;
    }

    /**
     * @param array $goodsIds
     *
     * @return bool
     */
    public function checkGoodsDataByGoodsIds(array $goodsIds): bool
    {
        $findGoodsIds = Goods::find()
            ->where([
                'mall_id'    => $this->mall_id,
                'status'     => StatusEnum::ENABLED,
                'id'         => $goodsIds,
                'is_on_sale' => 1,
                'is_attr'    => 0
            ])
            ->select('id')
            ->column();

        foreach ($goodsIds as $goodsId) {
            if (!in_array($goodsId, $findGoodsIds)) {
                $this->setError(sprintf('商品数据异常，商品ID：%d', $goodsId));
                return false;
            }
        }

        return true;
    }

    /**
     * 获取单规格商品的attr id
     *
     * @return void
     */
    public function getGoodsAttrMap(array $goodsIds): array
    {
        return GoodsAttr::find()
            ->where(['goods_id' => $goodsIds, 'status' => StatusEnum::ENABLED])
            ->select('id')
            ->indexBy('goods_id')
            ->column();
    }
}