<?php
/**
 * @package Sj Basic News
 * @version 2.5
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 * @copyright (c) 2012 YouTech Company. All Rights Reserved.
 * @author YouTech Company http://www.smartaddons.com
 * 
 */
\defined('_JEXEC') or die;

use Joomla\CMS\Access\Access;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Uri\Uri;
use Joomla\Component\Content\Site\Helper\RouteHelper;
use Joomla\Component\Fields\Administrator\Helper\FieldsHelper;

include_once dirname(__FILE__) . '/helper_base.php';

/**
 * Helper for mod_sj_slideshow
 *
 * @package     Joomla.Site
 * @subpackage  mod_sj_slideshow
 */
class SjBasicNewsHelper extends SjBasicNewsBaseHelper
{
	public static function getList(&$params)
	{
		$app = Factory::getApplication();

		/** @var \Joomla\Component\Content\Site\Model\ArticlesModel $model */
		$model = $app->bootComponent('com_content')
			->getMVCFactory()->createModel('Articles', 'Site', ['ignore_request' => true]);

		// Set application parameters in model
		$appParams = $app->getParams();
		$model->setState('params', $appParams);

		$model->setState('list.start', 0);
		$model->setState('filter.published', 1);

		// Set the filters based on the module params
		$model->setState('list.limit', (int) $params->get('count', 0));

		// This module does not use tags data
		$model->setState('load_tags', false);

		// Access filter
		$access     = !ComponentHelper::getParams('com_content')->get('show_noauth');
		$authorised = Access::getAuthorisedViewLevels(Factory::getUser()->get('id'));
		$model->setState('filter.access', $access);

		// Category filter
        $catids = $params->get('catid');

		$model->setState('filter.category_id', $catids);

		// Filter by language
		$model->setState('filter.language', $app->getLanguageFilter());
		
		$model->setState('filter.featured', $params->get('show_front', 'show'));

        // Find current Article ID if on an article page
        $option = $app->input->get('option');
        $view = $app->input->get('view');

		// Filter by id in case it should be excluded
		if ($app->input->get('option') === 'com_content'
			&& $app->input->get('view') === 'article')
		{
			// Exclude the current article from displaying in this module
			$model->setState('filter.article_id', $app->input->get('id', 0, 'UINT'));
			$model->setState('filter.article_id.include', false);
		}

        // Ordering
        $model->setState('list.ordering', $params->get('article_ordering', 'a.ordering'));
        $model->setState('list.direction', $params->get('article_ordering_direction', 'ASC'));

		// Retrieve Content
		$items = $model->getItems();
		
		foreach ($items as &$item)
		{
			$item->readmore = \strlen(trim($item->fulltext));
			$item->slug     = $item->id . ':' . $item->alias;

			if ($access || \in_array($item->access, $authorised))
			{
				// We know that user has the privilege to view the article
				$item->link     = Route::_(RouteHelper::getArticleRoute($item->slug, $item->catid, $item->language));
				$item->linkText = Text::_('MOD_ARTICLES_NEWS_READMORE');
			}
			else
			{
				$item->link = new Uri(Route::_('index.php?option=com_users&view=login', false));
				$item->link->setVar('return', base64_encode(RouteHelper::getArticleRoute($item->slug, $item->catid, $item->language)));
				$item->linkText = Text::_('MOD_ARTICLES_NEWS_READMORE_REGISTER');
			}

			$item->introtext = HTMLHelper::_('content.prepare', $item->introtext, '', 'mod_articles_news.content');

			// Remove any images belongs to the text
			if (!$params->get('image'))
			{
				$item->introtext = preg_replace('/<img[^>]*>/', '', $item->introtext);
			}
			
			$fields = FieldsHelper::getFields('com_content.article', $item, true);
			
			$item->jcfields = array();

			foreach ($fields as $key => $field)
			{
				$item->jcfields[$field->id] = $field;
			}			

			// Show the Intro/Full image field of the article
			if ($params->get('img_intro_full') !== 'none')
			{
				$images = json_decode($item->images);
				$item->imageSrc = '';
				$item->imageAlt = '';
				$item->imageCaption = '';

				if ($params->get('img_intro_full') === 'intro' && !empty($images->image_intro))
				{
					$item->imageSrc = htmlspecialchars($images->image_intro, ENT_COMPAT, 'UTF-8');
					$item->imageAlt = htmlspecialchars($images->image_intro_alt, ENT_COMPAT, 'UTF-8');

					if ($images->image_intro_caption)
					{
						$item->imageCaption = htmlspecialchars($images->image_intro_caption, ENT_COMPAT, 'UTF-8');
					}
				}
				elseif ($params->get('img_intro_full') === 'full' && !empty($images->image_fulltext))
				{
					$item->imageSrc = htmlspecialchars($images->image_fulltext, ENT_COMPAT, 'UTF-8');
					$item->imageAlt = htmlspecialchars($images->image_fulltext_alt, ENT_COMPAT, 'UTF-8');

					if ($images->image_intro_caption)
					{
						$item->imageCaption = htmlspecialchars($images->image_fulltext_caption, ENT_COMPAT, 'UTF-8');
					}
				}
			}

		}
		
        $displayGroups      = $params->get('show_user_custom_fields');	
		return $items;
    }

	public static function groupBy($list, $fieldName, $article_grouping_direction, $fieldNameToKeep = null)
	{
		$grouped = array();
	
		if (!is_array($list)) {
			if ($list == '') {
				return $grouped;
			}
	
			$list = array($list);
		}
	
		foreach($list as $key => $item)
		{
			if (!isset($grouped[$item->$fieldName])) {
				$grouped[$item->$fieldName] = array();
			}
	
			if (is_null($fieldNameToKeep)) {
				$grouped[$item->$fieldName][$key] = $item;
			}
			else {
				$grouped[$item->$fieldName][$key] = $item->$fieldNameToKeep;
			}
	
			unset($list[$key]);
		}
	
		$article_grouping_direction($grouped);
	
		return $grouped;
	}
	
	public static function groupByDate($list, $type = 'year', $article_grouping_direction, $month_year_format = 'F Y')
	{
		$grouped = array();
	
		if (!is_array($list)) {
			if ($list == '') {
				return $grouped;
			}
	
			$list = array($list);
		}
	
		foreach($list as $key => $item)
		{
			switch($type)
			{
				case 'month_year':
					$month_year = JString::substr($item->created, 0, 7);
	
					if (!isset($grouped[$month_year])) {
						$grouped[$month_year] = array();
					}
	
					$grouped[$month_year][$key] = $item;
					break;
	
				case 'year':
				default:
					$year = JString::substr($item->created, 0, 4);
	
					if (!isset($grouped[$year])) {
						$grouped[$year] = array();
					}
	
					$grouped[$year][$key] = $item;
					break;
			}
	
			unset($list[$key]);
		}
	
		$article_grouping_direction($grouped);
	
		if ($type === 'month_year') {
			foreach($grouped as $group => $items)
			{
				$date = new JDate($group);
				$formatted_group = $date->format($month_year_format);
				$grouped[$formatted_group] = $items;
				unset($grouped[$group]);
			}
		}
	
		return $grouped;
	}
	
}
