<?php
/**
 *----------------------------------------------------------------------------
 * iCagenda     Events Management Extension for Joomla!
 *----------------------------------------------------------------------------
 * @version     3.9.0 2024-02-25
 *
 * @package     iCagenda.Site
 * @subpackage  src.View
 * @link        https://www.icagenda.com
 *
 * @author      Cyril Rezé
 * @copyright   (c) 2012-2024 Cyril Rezé / iCagenda. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE.txt
 *
 * @since       3.8
 *----------------------------------------------------------------------------
*/

namespace WebiC\Component\iCagenda\Site\View\Events;

\defined('_JEXEC') or die;

use iClib\Library\Library as iCLibrary;
use iCutilities\AddThis\AddThis as icagendaAddthis; // @deprecated 3.8.18 - removed 4.0
use iCutilities\Events\EventsData as icagendaEventsData;
use iCutilities\Events\EventsList as icagendaList;
use iCutilities\Info\Info as icagendaInfo;
use iCutilities\Theme\Theme as icagendaTheme;
use iCutilities\Theme\Style as icagendaThemeStyle;
use iCutilities\Tiptip\Tiptip as icagendaTiptip;
use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Router\Route;

/**
 * HTML Events View class for the iCagenda component (previously list view)
 */
class HtmlView extends BaseHtmlView
{
	protected $params;

	protected $items;

	protected $getAllDates;

	protected $state;

	protected $template;

	protected $themeList;

	protected $header;

	protected $pagination;

	protected $sharing;

	protected $listShortcuts = 'components/com_icagenda/src/Assets/ListShortcuts.php';


	/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  mixed  A string if successful, otherwise a Error object.
	 */
	public function display($tpl = null)
	{
		$app        = Factory::getApplication();
		$document   = Factory::getDocument();
		$jinput     = $app->input;

		// Loading data
		$items                = $this->getModel()->getItems();
		$this->state          = $this->get('State');
		$this->params         = $this->state->get('params');
		$this->categoriesList = $this->getModel()->getCategoriesList();
		$this->monthsList     = $this->getModel()->getMonthsList();
		$this->yearsList      = $this->getModel()->getYearsList();
		$this->getAllDates    = icagendaEventsData::getAllDates();

		// Check for errors.
		if (\count($errors = $this->get('Errors'))) {
			throw new \Exception(implode("\n", $errors), 500);

			return false;
		}

		// Shortcut for params
		$params = $this->params;

		// For Dev.
		$time_loading = $params->get('time_loading', '');

		if ($time_loading) {
			$starttime_list = iCLibrary::getMicrotime();
		}

		$getAllDates = $this->getAllDates;
		$number      = $params->get('number', 5);

		// Process the content plugins.
		PluginHelper::importPlugin('content'); // to be removed ? and replace by icagenda plugin group
//		PluginHelper::importPlugin('icagenda'); // Check for 3.9

		$app->triggerEvent('iCagendaOnListPrepare', array('com_icagenda.events', &$items, &$params, &$getAllDates)); // @deprecated 4.0
		$app->triggerEvent('onICagendaEventsPrepare', array('com_icagenda.events', &$items, &$params, &$getAllDates));

		// Set events for the current page (todo: move to model)
		$new_items = array();
		$evt       = array();

		if (\count($getAllDates) > 0) {
			$limit   = $jinput->get('limit', '');
			$getpage = $jinput->get('page', 1);

			if ($limit != '' && $limit >= 0) {
				$number = ($limit == 0) ? count($getAllDates) : (int) $limit;
			}

			// Set number of events to be displayed per page
			$index            = $number * ($getpage - 1);
			$currentPageDates = array_slice($getAllDates, $index, $number, true);

			foreach ($currentPageDates as $date_id) {
				// Get id and date for each event to be displayed
				$ex_date_id = explode('_', $date_id);
				$evt[]      = $ex_date_id['0'];
				$evt_id     = $ex_date_id['1'];

				foreach ($items as $item) {
					if ($evt_id == $item->id) {
						$new_items[] = $item;
					}
				}
			}
		}

		$this->items = $new_items;
		$this->evt   = $evt;

		// Load Theme pack layout for list
		$this->template = $params->get('template', 'default');
		$themeList      = icagendaTheme::getThemeLayout($this->template, 'list');

		// Check if errors (file missing)
		if ($themeList[1]) {
			$msg    = ($themeList[1] !== 'deprecated')
					? 'iCagenda ' . Text::_('PHPMAILER_FILE_OPEN') . ' <strong>' . $this->template . '_list.php</strong>'
					: Text::_('COM_ICAGENDA_ERROR_THEME_PACK_OUTDATED') . '<br/>'
						. Text::sprintf('COM_ICAGENDA_ERROR_THEME_PACK_EDIT_OR_CHANGE', '<strong>'
						. $this->template . '_list.php</strong>');

			$app->enqueueMessage($msg, 'warning');

			if ($themeList[1] !== 'alert') {
				return false;
			}
		}

		$this->themeList = $themeList[0];

		// Component Options
		$this->cat_description  = ($params->get('displayCatDesc_menu', 'global') == 'global')
								? $params->get('CatDesc_global', '0')
								: $params->get('displayCatDesc_menu', '');

		$cat_options            = ($params->get('displayCatDesc_menu', 'global') == 'global')
								? $params->get('CatDesc_checkbox', '')
								: $params->get('displayCatDesc_checkbox', '');

		$this->cat_options      = is_array($cat_options) ? $cat_options : array();
		$this->pageclass_sfx    = htmlspecialchars($params->get('pageclass_sfx', ''));

		// Set Header and pagination
		$countAll               = count($getAllDates);
		$arrowText              = $params->get('arrowtext', 1);
		$pagination             = $params->get('pagination', 1);
		$filters_active         = $jinput->get('filter_search')
									|| $jinput->get('filter_from')
									|| $jinput->get('filter_to')
									|| $jinput->get('filter_category')
									|| $jinput->get('filter_month')
									|| $jinput->get('filter_year')
								? true
								: false;

		$this->header           = icagendaList::header($countAll, $number, $filters_active);
		$this->pagination       = icagendaList::pagination($countAll, $arrowText, $number, $pagination);
		$this->sharing          = icagendaAddthis::share(); // @deprecated 3.8.18 - removed 4.0


		// Define plugin events.
		$this->event = new \stdClass;

		$results = $app->triggerEvent('iCagendaOnListBeforeDisplay', array('com_icagenda.events', &$this->items, &$this->params));
		$this->event->iCagendaOnListBeforeDisplay = trim(implode("\n", $results));

		$results = $app->triggerEvent('iCagendaOnListAfterDisplay', array('com_icagenda.events', &$this->items, &$this->params));
		$this->event->iCagendaOnListAfterDisplay = trim(implode("\n", $results));

		icagendaInfo::commentVersion();

		$this->_prepareDocument();

		parent::display($tpl);

		$app->triggerEvent('onListAfterDisplay', array('com_icagenda.events', &$this->items, &$this->params)); // @deprecated. Kept for B/C

		// Loads jQuery Library
		HTMLHelper::_('bootstrap.framework');
		HTMLHelper::_('jquery.framework');

		// Add CSS
		icagendaTheme::loadComponentCSS($this->template);
		icagendaThemeStyle::addMediaCss($this->template, 'component');

		// Set Tooltip
		icagendaTiptip::setTooltip('.iCtip');

		// Add RSS Feeds
		$menu = $app->getMenu()->getActive()->id;

		$feed = 'index.php?option=com_icagenda&amp;view=events&amp;Itemid=' . (int) $menu . '&amp;format=feed';
		$rss  = [
			'type'  => 'application/rss+xml',
			'title' => 'RSS 2.0',
		];

		$document->addHeadLink(Route::_($feed.'&amp;type=rss'), 'alternate', 'rel', $rss);

		// For Dev.
		if ($time_loading) {
			$endtime_list = iCLibrary::getMicrotime();

			echo '<center style="font-size:8px;">Time to create view: ' . round($endtime_list-$starttime_list, 3) . ' seconds</center>';
		}
	}

	/**
	 * Prepares the document
	 */
	protected function _prepareDocument()
	{
		$app     = Factory::getApplication();
		$menu    = $app->getMenu()->getActive();
		$pathway = $app->getPathway();
		$title   = null;

		if ($menu)
		{
			$this->params->def('page_heading', $this->params->get('page_title', $menu->title));
		}
		else
		{
			$this->params->def('page_heading', Text::_('JGLOBAL_ARTICLES'));
		}

		$title = $this->params->get('page_title', '');

		if (empty($title))
		{
			$title = $app->getCfg('sitename');
		}
		elseif ($app->getCfg('sitename_pagetitles', 0) == 1)
		{
			$title = Text::sprintf('JPAGETITLE', $app->getCfg('sitename'), $title);
		}
		elseif ($app->getCfg('sitename_pagetitles', 0) == 2)
		{
			$title = Text::sprintf('JPAGETITLE', $title, $app->getCfg('sitename'));
		}

		$this->document->setTitle($title);

		if ($this->params->get('menu-meta_description', ''))
		{
			$this->document->setDescription($this->params->get('menu-meta_description', ''));
		}

		if ($this->params->get('menu-meta_keywords', ''))
		{
			$this->document->setMetadata('keywords', $this->params->get('menu-meta_keywords', ''));
		}

		if ($app->getCfg('MetaTitle') == '1'
			&& $this->params->get('menupage_title', ''))
		{
			$this->document->setMetaData('title', $this->params->get('page_title', ''));
		}
	}
}