<?php

namespace addons\CloudStock\api\services;

use addons\CloudStock\common\models\CloudStockGoods;
use addons\CloudStock\common\services\BaseService;
use common\enums\StatusEnum;
use common\models\goods\Goods;
use RuntimeException;

class CloudStockGoodsService extends BaseService
{
    /**
     * 获取有效的云库存商品
     *
     * @param array $goodsIds
     *
     * @return array
     */
    public function getEnableGoodsList(array $goodsIds): array
    {
        if (empty($goodsIds)) {
            return [];
        }

        $goodsIds = Goods::find()
            ->where([
                'mall_id'    => $this->mall_id,
                'status'     => StatusEnum::ENABLED,
                'id'         => $goodsIds,
                'is_on_sale' => 1,
                'is_attr'    => 0
            ])
            ->select('id')
            ->column();

        return CloudStockGoods::find()
            ->where([
                'mall_id'  => $this->mall_id,
                'status'   => StatusEnum::ENABLED,
                'goods_id' => $goodsIds
            ])
            ->select('goods_id')
            ->column();
    }

    /**
     * 计算汇总价格及利润
     *
     * @param array $stockGoodsList
     * @param array $goodsList
     * @param array $goodsIdNumberMap
     *
     * @return array
     */
    public function getTotalOrderFields(array &$stockGoodsList, array $goodsList, array $goodsIdNumberMap): array
    {
        $res = [
            'replenish_price' => 0,
            'profit'          => 0
        ];

        foreach ($stockGoodsList as &$item) {
            $item['agent_price'] = json_decode($item['agent_price'], true) ?: [];

            $computePrice = $this->computePrice($item['agent_price'], $goodsList[$item['goods_id']]); // 得到单价及利润

            // 商品价格
            $res['replenish_price'] = bcadd(
                $res['replenish_price'],
                bcmul($computePrice['replenish_price'], $goodsIdNumberMap[$item['goods_id']], 2),
                2
            );

            // 利润
            $res['profit'] = bcadd(
                $res['profit'],
                bcmul($computePrice['profit'], $goodsIdNumberMap[$item['goods_id']], 2),
                2
            );

            // 修改商品价格及利润
            $item['goods_info']['price'] = $computePrice['replenish_price'] ?? $item['goods_info']['price'];
            $item['goods_info']['profit'] = $computePrice['profit'] ?? 0;

            unset($item['agent_price']);
        }

        return $res;
    }

    /**
     * @param array $agentPrice
     * @param array $goods
     *
     * @return array
     */
    public function computePrice(array $agentPrice, array $goods)
    {
        $agentLevel = $this->stock_agent['level'];

        $agent_price     = array_column($agentPrice, null, 'level');
        $replenish_price = $goods['price'] ?? 0;
        if (!empty($agent_price[$agentLevel])) {
            $replenish_price = $agent_price[$agentLevel]['price'];
        }

        return [
            'replenish_price' => $replenish_price, // 单价
            'profit'          => bcsub($goods['price'], $replenish_price, 2), // 利润
        ];
    }

    public function getGoodsPrice(array $cartList)
    {
        $goodsList = Goods::lists([
            'select' => 'id, price',
            'where'  => [
                [
                    'mall_id'    => $this->mall_id,
                    'status'     => StatusEnum::ENABLED,
                    'id'         => array_column($cartList, 'goods_id'),
                    'is_on_sale' => 1,
                    'is_attr'    => 0
                ]
            ],
            'index'  => 'id'
        ]);

        $cloudStockGoodsList = CloudStockGoods::lists([
            'where'  => [
                [
                    'mall_id'  => $this->mall_id,
                    'status'   => StatusEnum::ENABLED,
                    'goods_id' => array_column($goodsList, 'id')
                ]
            ],
            'select' => 'id, goods_id, agent_price'
        ]);

        return $this->getTotalOrderFields(
            $cloudStockGoodsList,
            $goodsList,
            array_column($cartList, 'num', 'goods_id')
        );
    }
}