<?php

namespace App\Models;

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

/**
 * 门店对账单明细模型（快照商品名/单价/数量/金额）
 */
class StatementItemModel extends Model
{
    /** 未对账 */
    public const NOT_RECONCILED = 0;
    /** 已对账 */
    public const RECONCILED = 1;

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

    protected $fillable = [
        'statement_id',
        'order_id',
        'order_item_id',
        'product_id',
        'product_name',
        'price',
        'quantity',
        'weight',
        'amount',
        'is_reconciled',
        'store_remark',
    ];

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

    /**
     * 所属对账单
     */
    public function statement(): BelongsTo
    {
        return $this->belongsTo(StatementModel::class, 'statement_id', 'id');
    }

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

    /**
     * 来源订单明细
     */
    public function orderItem(): BelongsTo
    {
        return $this->belongsTo(StoreOrderItemModel::class, 'order_item_id', 'id');
    }

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