<?php

namespace UkrSolution\WpLabelsPrinting4\LabelDataMakers\Shortcodes\General;

class RandomDigits extends GeneralShortcode
{
    const DOC_LINES = array(
        'Random digits' => '[random-digits length=10]',
        'Generate barcode image (values , EAN13, EAN8, UPCA, UPCE, C128, C39, QRCODE, DATAMATRIX):' => "[cf=_sku barcode-image='EAN13']",
    );

    public $display_name = 'Random digits';

    public function getValue($post, $field)
    {
        $length = isset($field['args']['length']) ? $field['args']['length'] : 5;
        $result = '';

        for ($i = 0; $i < $length; $i++) {
            $result .= wp_rand(0, 9);
        }

        return $result;
    }
}