<?php

namespace rednaoeasycalculationforms\core\Managers\FormManager\Calculator;

use rednaoeasycalculationforms\core\Managers\FormManager\Utilities\NumericUtilities;

class PricePerCharCalculator extends CalculatorBase
{

    public function ExecutedCalculation($value)
    {
        if($value == null)
            $value = $this->Field->GetValue();

        $numberOfChars = \strlen($value);
        if($this->Field->Options->IgnoreSpaces)
        {
            $numberOfChars = \strlen(\str_replace(' ', '', $value));
        }

        $freeChars = $this->Field->Options->FreeCharOrWords;
        if($freeChars > 0)
            $numberOfChars = max(0, $numberOfChars - $freeChars);

        if(\strlen($value) > 0)
            return $this->CreateCalculationObject($this->Field->GetRegularPrice() != '' ? NumericUtilities::ParseNumber($this->Field->GetRegularPrice()) * $numberOfChars : '',
                    '', 0);
         return $this->CreateCalculationObject('', '', 0);

    }
}