<?php

namespace App\Models;

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

/**
 * 门店订单明细模型（快照下单时的商品名/规格/等级价，历史单据不受调价影响）
 */
class StoreOrderItemModel extends Model
{
    use HasFactory;

    protected $table = 'store_order_item';
    protected $primaryKey = 'id';

    protected $fillable = [
        'order_id',
        'store_id',
        'product_id',
        'product_name',
        'product_spec',
        'price',
        'quantity',
        'weight',
        'amount',
        'remark',
    ];

    protected $casts = [
        'order_id' => 'integer',
        'store_id' => 'integer',
        'product_id' => 'integer',
        'price' => 'decimal:2',
        'quantity' => 'decimal:2',
        'weight' => 'decimal:3',
        'amount' => 'decimal:2',
    ];

    /**
     * 所属订单
     */
    public function order(): BelongsTo
    {
        return $this->belongsTo(StoreOrderModel::class, 'order_id', 'id');
    }

    /**
     * 下单门店
     */
    public function store(): BelongsTo
    {
        return $this->belongsTo(StoreModel::class, 'store_id', 'id');
    }

    /**
     * 下单商品
     */
    public function product(): BelongsTo
    {
        return $this->belongsTo(ProductModel::class, 'product_id', 'id');
    }
}