<?php
/*
* @package		Tech Fry Library
* @license		https://www.gnu.org/licenses/gpl-3.0.en.html
*/

namespace TechFry\Library\View\Front;

defined('_JEXEC') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Uri\Uri;
use Joomla\CMS\Document\Feed\FeedItem;
use Joomla\CMS\MVC\View\AbstractView;

class TfViewFeed extends AbstractView
{
    public $items;
    
    public $doc;
    
    public $base_item_link; // Feed item link without id
    
    public $current_link; // List of records link

    public function display($tpl = null)
	{
		$app = Factory::getApplication();
        $params = $app->getParams();
        $feedEmail = $app->get('feed_email', 'none');
        $siteEmail = $app->get('mailfrom');

		$input = $app->input;
        $option = $input->get('option');
		$cparams = ComponentHelper::getParams($option);

		$this->getDocument()->link = Route::_($this->current_link);

		$app->getInput()->set('limit', $app->get('feed_limit'));

		// Get data from the model
		$rows = $this->get('Items');
		foreach ($rows as $row)
		{
			// For each item, title, link, description are required
			
			// A. Strip html from feed item title
			$title = htmlspecialchars($row->title, ENT_QUOTES, 'UTF-8');
            $title = html_entity_decode($title, ENT_COMPAT, 'UTF-8');

			// B. Link of Feed Item
			$link = $this->base_item_link . '&id=' . $row->id;

			// C. Description of Feed Item
			$description = '';

			// C1. Image in description
			if (isset($row->image) && !empty($row->image))
			{
				$image = preg_match('/http/', $row->image) ? $row->image : Uri::root() . $row->image;
				$description .= '<p><img src="' . $image . '" /></p>';
			}

			// C2. Text in description
            $desc = htmlspecialchars(trim(strip_tags($row->description)));
            $feed_summary_limit = $cparams->get('feed_summary_limit', 150);
            if (strlen($desc) > $feed_summary_limit)
            {
                $position = strpos($desc, ' ', $feed_summary_limit);
                $desc = substr($desc, 0, $position);
            }
			$description .= $desc;
			
			// C3. Read more in description
			if ($cparams->get('feed_show_readmore', 1))
			{
			    $description .= '<p><a target="_blank" href="' . $link . '">' . Text::_('COM_TF_FEED_READMORE') . '</a></p>';
			}
			
			// Load individual item
			$item = new FeedItem();
            $item->title = $title;

			$item->link = Route::_($link);

			if (isset($row->modified) && !empty($row->modified))
			{
			    $item->date = $row->modified;
			}
			elseif (isset($row->created) && !empty($row->created))
			{
			    $item->date = $row->created;
			}

			$item->authorEmail = $siteEmail;

			$item->description = '<div>' . $description . '</div>';

			$this->getDocument()->addItem($item);
		}
	}
}