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<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2019 Open Source Matters, Inc.
<https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see
LICENSE.txt
 */

namespace Joomla\CMS\Form\Rule;

use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormRule;
use Joomla\CMS\Language\Text;
use Joomla\Registry\Registry;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Form Rule class for the Joomla Platform.
 *
 * @since  4.0.0
 */
class TimeRule extends FormRule
{
    /**
     * Method to test the range for a number value using min and max
attributes.
     *
     * @param   \SimpleXMLElement  $element  The SimpleXMLElement object
representing the `<field>` tag for the form field object.
     * @param   mixed              $value    The form field value to
validate.
     * @param   string             $group    The field name group control
value. This acts as an array container for the field.
     *                                       For example if the field has
name="foo" and the group value is set to "bar" then the
     *                                       full field name would end up
being "bar[foo]".
     * @param   ?Registry          $input    An optional Registry object
with the entire data set to validate against the entire form.
     * @param   ?Form              $form     The form object for which the
field is being tested.
     *
     * @return  boolean  True if the value is valid, false otherwise.
     *
     * @since   4.0.0
     *
     * @throws \Exception
     */
    public function test(\SimpleXMLElement $element, $value, $group = null,
Registry $input = null, Form $form = null): bool
    {
        // Check if the field is required.
        $required = ((string) $element['required'] ===
'true' || (string) $element['required'] ===
'required');

        // If the value is empty and the field is not required return True.
        if (($value === '' || $value === null) &&
!$required) {
            return true;
        }

        $stringValue = (string) $value;

        // If the length of a field is smaller than 5 return error message
        if (\strlen($stringValue) !== 5 &&
!isset($element['step'])) {
            Factory::getApplication()->enqueueMessage(
                Text::_('JLIB_FORM_FIELD_INVALID_TIME_INPUT'),
                'warning'
            );

            return false;
        }

        // If the third symbol isn't a ':' return error
message
        if ($stringValue[2] !== ':') {
            Factory::getApplication()->enqueueMessage(
                Text::_('JLIB_FORM_FIELD_INVALID_TIME_INPUT'),
                'warning'
            );

            return false;
        }

        // If the are other symbols except of numbers and ':'
return error message
        if (!preg_match('#^[0-9:]+$#', $stringValue)) {
            Factory::getApplication()->enqueueMessage(
                Text::_('JLIB_FORM_FIELD_INVALID_TIME_INPUT'),
                'warning'
            );

            return false;
        }

        // If min and max is set
        if (isset($element['min']) &&
isset($element['max'])) {
            $min = $element['min'][0] .
$element['min'][1];
            $max = $element['max'][0] .
$element['max'][1];

            // If the input is smaller than the set min return error
message
            if (\intval($min) > \intval($stringValue[0] .
$stringValue[1])) {
                Factory::getApplication()->enqueueMessage(
                    Text::_('JLIB_FORM_FIELD_INVALID_MIN_TIME',
$min),
                    'warning'
                );

                return false;
            }

            // If the input is greater than the set max return error
message
            if (\intval($max) < \intval($stringValue[0] .
$stringValue[1])) {
                Factory::getApplication()->enqueueMessage(
                    Text::_('JLIB_FORM_FIELD_INVALID_MAX_TIME'),
                    'warning'
                );

                return false;
            }

            // If the hour input is equal to the set max but the minutes
input is greater than zero return error message
            if (\intval($max) === \intval($stringValue[0] .
$stringValue[1])) {
                if (\intval($element['min'][3] .
$element['min'][4]) !== 0) {
                    Factory::getApplication()->enqueueMessage(
                       
Text::_('JLIB_FORM_FIELD_INVALID_MAX_TIME'),
                        'warning'
                    );

                    return false;
                }
            }
        }

        // If the first symbol is greater than 2 return error message
        if (\intval($stringValue[0]) > 2) {
            Factory::getApplication()->enqueueMessage(
                Text::_('JLIB_FORM_FIELD_INVALID_TIME_INPUT'),
                'warning'
            );

            return false;
        }

        // If the first symbol is greater than 2 and the second symbol is
greater than 3 return error message
        if (\intval($stringValue[0]) === 2 &&
\intval($stringValue[1]) > 3) {
            Factory::getApplication()->enqueueMessage(
                Text::_('JLIB_FORM_FIELD_INVALID_TIME_INPUT'),
                'warning'
            );

            return false;
        }

        // If the fourth symbol is greater than 5 return error message
        if (\intval($stringValue[3]) > 5) {
            Factory::getApplication()->enqueueMessage(
                Text::_('JLIB_FORM_FIELD_INVALID_TIME_INPUT'),
                'warning'
            );

            return false;
        }

        // If the step is set return same error messages as above but
taking into a count that there 8 and not 5 symbols
        if (isset($element['step'])) {
            if (
                \strlen($stringValue) !== 8
                || \intval($stringValue[5]) !== ':'
                || \intval($stringValue[6]) > 5
            ) {
                Factory::getApplication()->enqueueMessage(
                   
Text::_('JLIB_FORM_FIELD_INVALID_TIME_INPUT_SECONDS'),
                    'warning'
                );

                return false;
            }
        }

        return true;
    }
}