<?php

namespace app\common\model;

use support\Model;

class StockOrderItems extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';
    
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'stock_order_items';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;
    
    
    protected $dateFormat = 'U';

    /**
     * 允许自动填充模型字段
     */
    protected $fillable = ['id', 'order_id', 'product_code', 'sku_id', 'sku_snapshot', 'model_snapshot', 'quantity', 'color_interior_id', 'color_interior_snapshot', 'color_exterior_id', 'color_exterior_snapshot', 'remark', 'unit_price', 'handling_fee', 'fob_transport_fee', 'port_misc_fee', 'retrofit_fee', 'total_price', 'created_at', 'updated_at', 'unit_price_value_id', 'handling_fee_value_id', 'fob_transport_fee_value_id', 'port_misc_fee_value_id', 'retrofit_fee_value_id', 'total_price_value_id'];

    /**
     * 不允许自动填充模型字段
     */
    protected $guarded = [];


    public function unitPrice()       { return $this->belongsTo(VehMoneyValue::class, 'unit_price_value_id'); }
    public function handlingFee()     { return $this->belongsTo(VehMoneyValue::class, 'handling_fee_value_id'); }
    public function fobTransportFee() { return $this->belongsTo(VehMoneyValue::class, 'fob_transport_fee_value_id'); }
    public function portMiscFee()     { return $this->belongsTo(VehMoneyValue::class, 'port_misc_fee_value_id'); }
    public function retrofitFee()     { return $this->belongsTo(VehMoneyValue::class, 'retrofit_fee_value_id'); }
    public function totalPrice()      { return $this->belongsTo(VehMoneyValue::class, 'total_price_value_id'); }

    // 便捷访问器（原币种的金额）
    public function getUnitPriceAmountAttribute()       { return $this->unitPrice?->amount; }
    public function getHandlingFeeAmountAttribute()     { return $this->handlingFee?->amount; }
    public function getFobTransportFeeAmountAttribute() { return $this->fobTransportFee?->amount; }
    public function getPortMiscFeeAmountAttribute()     { return $this->portMiscFee?->amount; }
    public function getRetrofitFeeAmountAttribute()     { return $this->retrofitFee?->amount; }
    public function getTotalPriceAmountAttribute()      { return $this->totalPrice?->amount; }

    // 便捷：按“各自 exchange_rate”换到结算币后相加（无 rate 的跳过）
    public function sumToSettlement(): string
    {
        $list = array_filter([
            $this->unitPrice?->amountInSettlement(),
            $this->handlingFee?->amountInSettlement(),
            $this->fobTransportFee?->amountInSettlement(),
            $this->portMiscFee?->amountInSettlement(),
            $this->retrofitFee?->amountInSettlement(),
        ], fn($v) => $v !== null);

        $sum = '0.00';
        foreach ($list as $v) {
            $sum = bcadd($sum, (string)$v, 2);
        }
        return $sum;
    }
}