<?php

namespace App\Services;


use App\Models\CommunityActivitySku;
use App\Models\Server\CommunityActivity;

class CommunityActivityService
{
    /**
     * 同步sku表
     */
    public function syncSku($action, $type_id, $sku)
    {
        if (!$sku || !$type_id) {
            return;
        }

        $ids = array_column($sku, 'sku_id');
        $unique_ids = array_unique($ids);
        //有异常重复sku_id数据 重新生成
        if (count($ids) != count($unique_ids)) {
            $action = '';
        }

        $new_sku = [];
        foreach ($sku as $item) {
            $name = $item['name'] ?? '';
            $price = $item['price'] ?? 0;
            $num = $item['num'] ?? 0;
            $sku_id = $item['sku_id'] ?? '';
            $total_limit_num = $item['total_limit_num'] ?? 0;
            if (!$name) {
                continue;
            }
            $model = new CommunityActivitySku;
            if ($action == 'edit') {
                $data = CommunityActivitySku::where('type_id',$type_id)->where('id',$sku_id)->first();
                $model = $data ?: $model;
            }
            $model->type_id = $type_id;
            $model->name = $name;
            $model->price = $price;
            $model->num = $num;
            $model->total_limit_num = $total_limit_num;
            $model->save();
            $item['sku_id'] = $model->id;
            $new_sku[] = $item;
        }
        if (!$new_sku){
            return;
        }

        //同步兼容之前的json字段sku
        $model = CommunityActivity::find($type_id);
        $model->sku = json_encode($new_sku);
        $model->save();

        //删除不存在的sku
        $ids = array_column($new_sku,'sku_id');
        CommunityActivitySku::whereNotIn('id',$ids)->where('type_id',$type_id)->delete();
        return $new_sku;
    }
}