<?php
/**
 * @package         Regular Labs Library
 * @version         23.5.9008
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            http://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

namespace RegularLabs\Library;

defined('_JEXEC') or die;

use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\Language\Text as JText;
use Joomla\CMS\Object\CMSObject as JObject;
use Joomla\CMS\Plugin\CMSPlugin as JCMSPlugin;
use Joomla\CMS\Session\Session;
use ReflectionClass;

class EditorButtonPlugin extends JCMSPlugin
{
    protected $asset;
    protected $author;
    protected $button_icon          = '';
    protected $check_installed;
    protected $editor_name          = '';
    protected $enable_on_acymailing = false;
    protected $folder;
    protected $main_type            = 'plugin';
    protected $popup_class          = '';
    protected $require_core_auth    = true;
    private   $_params;
    private   $_pass;

    public function __construct(&$subject, $config = [])
    {
        parent::__construct($subject, $config);

        $this->popup_class = $this->popup_class ?: 'Plugin.EditorButton.' . $this->getShortName() . '.Popup';
    }

    public function extraChecks($params)
    {
        return true;
    }

    /**
     * Display the button
     *
     * @param string  $name   The name of the button to display.
     * @param string  $asset  The name of the asset being edited.
     * @param integer $author The id of the author owning the asset being edited.
     *
     * @return  JObject|false
     */
    public function onDisplay($editor_name, $asset, $author)
    {
        $this->editor_name = $editor_name;
        $this->asset       = $asset;
        $this->author      = $author;

        if ( ! $this->passChecks())
        {
            return false;
        }

        return $this->render();
    }

    protected function getButtonText()
    {
        $params = $this->getParams();

        $text_ini = strtoupper(str_replace(' ', '_', $params->button_text ?? $this->_name));
        $text     = JText::_($text_ini);

        if ($text == $text_ini)
        {
            $text = JText::_($params->button_text ?? $this->_name);
        }

        return trim($text);
    }

    protected function getParams()
    {
        if ( ! is_null($this->_params))
        {
            return $this->_params;
        }

        switch ($this->main_type)
        {
            case 'component':
                if (Protect::isComponentInstalled($this->_name))
                {
                    // Load component parameters
                    $this->_params = Parameters::getComponent($this->_name);
                }
                break;

            case 'plugin':
            default:
                if (Protect::isSystemPluginInstalled($this->_name))
                {
                    // Load plugin parameters
                    $this->_params = Parameters::getPlugin($this->_name);
                }
                break;
        }

        return $this->_params;
    }

    protected function getPopupLink()
    {
        return 'index.php?rl_qp=1'
            . '&class=' . $this->popup_class
            . '&editor=' . $this->editor_name
            . '&tmpl=component'
            . '&' . Session::getFormToken() . '=1';
    }

    protected function getPopupOptions()
    {
        return [
            'height'     => '1600px',
            'width'      => '1200px',
            'bodyHeight' => '70',
            'modalWidth' => '80',
        ];
    }

    protected function loadScripts()
    {
    }

    protected function loadStyles()
    {
    }

    protected function render()
    {
        $this->loadScripts();
        $this->loadStyles();

        return $this->renderPopupButton();
    }

    protected function renderPopupButton()
    {
        $button = new JObject;

        $button->setProperties([
            'modal'   => true,
            'name'    => $this->_name,
            'text'    => $this->getButtonText(),
            'icon'    => $this->_name . '" aria-hidden="true">' . $this->button_icon . '<span></span class="hidden',
            'iconSVG' => $this->button_icon,
            'link'    => $this->getPopupLink(),
            'options' => $this->getPopupOptions(),
        ]);

        return $button;
    }

    /**
     * Get the short name of the field class
     * PlgButtonFoobar => Foobar
     *
     * @return string
     */
    private function getShortName()
    {
        return substr((new ReflectionClass($this))->getShortName(), strlen('PlgButton'));
    }

    private function isInstalled()
    {
        $extensions = ! is_null($this->check_installed)
            ? $this->check_installed
            : [$this->main_type];

        return Extension::areInstalled($this->_name, $extensions);
    }

    /**
     * @return bool
     */
    private function passChecks()
    {
        if ( ! is_null($this->_pass))
        {
            return $this->_pass;
        }

        $this->_pass = false;

        if ( ! Extension::isFrameworkEnabled())
        {
            return false;
        }

        if ( ! Extension::isAuthorised($this->require_core_auth))
        {
            return false;
        }

        if ( ! $this->isInstalled())
        {
            return false;
        }

        if ( ! $this->enable_on_acymailing && JFactory::getApplication()->input->get('option', '') == 'com_acymailing')
        {
            return false;
        }

        $params = $this->getParams();

        if ( ! Extension::isEnabledInComponent($params))
        {
            return false;
        }

        if ( ! Extension::isEnabledInArea($params))
        {
            return false;
        }

        if ( ! $this->extraChecks($params))
        {
            return false;
        }

        $this->_pass = true;

        return true;
    }
}
