<?php

namespace App\Models;

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

class AfterSaleItem extends Model
{
    use HasFactory;

    protected $table = 'after_sale_items';

    protected $fillable = [
        'after_sale_id',
        'order_item_id',
        'goods_id',
        'goods_name',
        'erp_sku',
        'platform_sku',
        'quantity',
        'price',
        'total_amount',
    ];

    protected $casts = [
        'quantity' => 'integer',
        'price' => 'decimal:2',
        'total_amount' => 'decimal:2',
    ];

    // 关联售后主表
    public function afterSale(): BelongsTo
    {
        return $this->belongsTo(AfterSale::class, 'after_sale_id');
    }

    // 关联原订单项
    public function orderItem(): BelongsTo
    {
        return $this->belongsTo(OrderItem::class, 'order_item_id');
    }
}