<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Form\Field;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\FormField;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Uri\Uri;

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

/**
 * Form Field class for the Joomla Platform.
 * Provides a one line text box with up-down handles to set a number in the field.
 *
 * @link   https://html.spec.whatwg.org/multipage/input.html#number-state-(type=number)
 * @since  3.2
 */
class NumberField extends FormField
{
    /**
     * The form field type.
     *
     * @var    string
     * @since  3.2
     */
    protected $type = 'Number';

    /**
     * The allowable maximum value of the field.
     *
     * @var    float
     * @since  3.2
     */
    protected $max = null;

    /**
     * The allowable minimum value of the field.
     *
     * @var    float
     * @since  3.2
     */
    protected $min = null;

    /**
     * The step by which value of the field increased or decreased.
     *
     * @var    float
     * @since  3.2
     */
    protected $step = 0;

    /**
     * Name of the layout being used to render the field
     *
     * @var    string
     * @since  3.7
     */
    protected $layout = 'joomla.form.field.number';

    /**
     * The parent class of the field
     *
     * @var  string
     * @since 4.0.0
     */
    protected $parentclass;

    /**
     * Method to get certain otherwise inaccessible properties from the form field object.
     *
     * @param   string  $name  The property name for which to get the value.
     *
     * @return  mixed  The property value or null.
     *
     * @since   3.2
     */
    public function __get($name)
    {
        switch ($name) {
            case 'max':
            case 'min':
            case 'step':
                return $this->$name;
        }

        return parent::__get($name);
    }

    /**
     * Method to set certain otherwise inaccessible properties of the form field object.
     *
     * @param   string  $name   The property name for which to set the value.
     * @param   mixed   $value  The value of the property.
     *
     * @return  void
     *
     * @since   3.2
     */
    public function __set($name, $value)
    {
        switch ($name) {
            case 'step':
            case 'min':
            case 'max':
                $this->$name = (float) $value;
                break;

            default:
                parent::__set($name, $value);
        }
    }

    /**
     * Method to attach a Form object to the field.
     *
     * @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]".
     *
     * @return  boolean  True on success.
     *
     * @see     FormField::setup()
     * @since   3.2
     */
    public function setup(\SimpleXMLElement $element, $value, $group = null)
    {
        $return = parent::setup($element, $value, $group);

        if ($return) {
            // It is better not to force any default limits if none is specified
            $this->max  = isset($this->element['max']) ? (float) $this->element['max'] : null;
            $this->min  = isset($this->element['min']) ? (float) $this->element['min'] : null;
            $this->step = isset($this->element['step']) ? (float) $this->element['step'] : 1;
        }

        return $return;
    }

    /**
     * Method to get the field input markup.
     *
     * @return  string  The field input markup.
     *
     * @since   3.2
     */
    protected function getInput()
    {
        if ($this->element['useglobal']) {
            $component = Factory::getApplication()->input->getCmd('option');

            // Get correct component for menu items
            if ($component === 'com_menus') {
                $link      = $this->form->getData()->get('link');
                $uri       = new Uri($link);
                $component = $uri->getVar('option', 'com_menus');
            }

            $params = ComponentHelper::getParams($component);
            $value  = $params->get($this->fieldname);

            // Try with global configuration
            if (\is_null($value)) {
                $value = Factory::getApplication()->get($this->fieldname);
            }

            // Try with menu configuration
            if (\is_null($value) && Factory::getApplication()->input->getCmd('option') === 'com_menus') {
                $value = ComponentHelper::getParams('com_menus')->get($this->fieldname);
            }

            if (!\is_null($value)) {
                $value = (string) $value;

                $this->hint = Text::sprintf('JGLOBAL_USE_GLOBAL_VALUE', $value);
            }
        }

        // Trim the trailing line in the layout file
        return rtrim($this->getRenderer($this->layout)->render($this->getLayoutData()), PHP_EOL);
    }

    /**
     * Method to get the data to be passed to the layout for rendering.
     *
     * @return  array
     *
     * @since 3.7
     */
    protected function getLayoutData()
    {
        $data = parent::getLayoutData();

        // Initialize some field attributes.
        $extraData = array(
            'max'   => $this->max,
            'min'   => $this->min,
            'step'  => $this->step,
            'value' => $this->value,
        );

        return array_merge($data, $extraData);
    }
}