<?php
/**
 * 2007-2021 ETS-Soft
 *
 * NOTICE OF LICENSE
 *
 * This file is not open source! Each license that you purchased is only available for 1 wesite only.
 * If you want to use this file on more websites (or projects), you need to purchase additional licenses.
 * You are not allowed to redistribute, resell, lease, license, sub-license or offer our resources to any third party.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please contact us for extra customization service at an affordable price
 *
 * @author ETS-Soft <etssoft.jsc@gmail.com>
 * @copyright  2007-2021 ETS-Soft
 * @license    Valid for 1 website (or project) for each purchase of license
 *  International Registered Trademark & Property of ETS-Soft
 */

class ETS_CFU_Validation implements ArrayAccess
{
    private $invalid_fields = array();
    private $container = array();

    public function __construct()
    {
        $this->container = array(
            'valid' => true,
            'reason' => array(),
            'idref' => array(),
        );
    }

    public function get_invalid_fields()
    {
        return $this->invalid_fields;
    }

    public function offsetSet($offset, $value)
    {
        if (isset($this->container[$offset])) {
            $this->container[$offset] = $value;
        }

        if ('reason' == $offset && is_array($value)) {
            foreach ($value as $k => $v) {
                $this->invalidate($k, $v);
            }
        }
    }

    public function invalidate($context, $message)
    {
        if ($context instanceof ETS_CFU_Form_Tag) {
            $tag = $context;
        } elseif (is_array($context)) {
            $tag = new ETS_CFU_Form_Tag($context);
        } elseif (is_string($context)) {
            $tags = ets_cfu_scan_form_tags(array('name' => trim($context)));
            $tag = $tags ? new ETS_CFU_Form_Tag($tags[0]) : null;
        }
        $name = !empty($tag) ? $tag->name : null;
        if (empty($name) || !ets_cfu_is_name($name)) {
            return;
        }
        if ($this->is_valid($name)) {
            $id = $tag->get_id_option();
            if (empty($id) || !ets_cfu_is_name($id)) {
                $id = null;
            }
            $this->invalid_fields[$name] = array(
                'reason' => (string)$message,
                'idref' => $id,
            );
        }
    }

    public function is_valid($name = null)
    {
        if (!empty($name)) {
            return !isset($this->invalid_fields[$name]);
        } else {
            return empty($this->invalid_fields);
        }
    }

    public function offsetGet($offset)
    {
        if (isset($this->container[$offset])) {
            return $this->container[$offset];
        }
    }

    public function offsetExists($offset)
    {
        return isset($this->container[$offset]);
    }

    public function offsetUnset($offset)
    {
        unset($offset);
    }
}