<?php
namespace Wbs24\Ozonexport;

class CommonWarehouse extends Warehouse
{
    use PackagingRatio;

    public function __construct($param = [])
    {
        parent::__construct($param);

        $objects = $this->param['objects'] ?? [];
        $this->Formula = $objects['Formula'] ?? new Formula();
    }

    public function getXml($product)
    {
        $availableQuantity = $product['QUANTITY'] ?? 0;
        $warehouseName = $this->param['warehouseDefaultName'] ?? false;

        $stock = $this->getStock($availableQuantity);
        $stock = $this->calculateStockWithFormula($stock);
        $stock = $this->getStockWithPackagingRatio($stock);

        $xml =
            '<outlets>'
                .'<outlet '
                    .'instock="'.$stock.'"'
                    .($warehouseName ? ' warehouse_name="'.$warehouseName.'"' : '')
                .'></outlet>'
            .'</outlets>'."\n"
        ;

        return $xml;
    }

    public function getStock($availableQuantity)
    {
        $minStock = $this->param['minStock'] ?? 0;

        return $availableQuantity >= $minStock ? $availableQuantity : 0;
    }

    public function calculateStockWithFormula($stock)
    {
        if (!empty($this->param['formulaStock'])) {
            $formula = $this->param['formulaStock'];
            $marks = ['STOCK' => $stock];
            $allowedMarks = array_keys($marks);
            $this->Formula->setMarks($allowedMarks);
            $this->Formula->setFormula($formula);
            $stock = $this->Formula->calc($marks);
        }

        return $stock;
    }
}