<?php
namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class OrderItem extends Model
{
    protected $table = 'order_items';

    protected $fillable = [
        'order_id',
        'goods_name',
        'platform_sku',
        'quantity',
        'price',
        'total_amount',
        'match_status',
        'erp_sku_id',
        'goods_id',
    ];

    // 添加访问器，返回绑定后的ERP商品名称和SKU
    protected $appends = ['erp_goods_name', 'erp_goods_sku'];

    public function order(): BelongsTo
    {
        return $this->belongsTo(Order::class);
    }

    public function erpSku(): BelongsTo
    {
        return $this->belongsTo(ErpSku::class, 'erp_sku_id');
    }

    public function getErpGoodsNameAttribute()
    {
        return $this->erpSku?->name;
    }

    public function getErpGoodsSkuAttribute()
    {
        return $this->erpSku?->sku_code;
    }
}