<?php
/**
 *----------------------------------------------------------------------------
 * iCagenda     Events Management Extension for Joomla!
 *----------------------------------------------------------------------------
 * @version     3.8.0 2021-08-23
 *
 * @package     iCagenda.Admin
 * @subpackage  Utilities.Form
 * @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       3.8.0
 *----------------------------------------------------------------------------
*/

defined('_JEXEC') or die;

use iClib\Date\Date as iCDate;
use iClib\Globalize\Globalize as iCGlobalize;
use WebiC\Component\iCagenda\Administrator\Model\RegistrationsModel;

JFormHelper::loadFieldClass('list');

/**
 * Events Select Filter Field
 */
class icagendaFormFieldFilterDates extends JFormFieldList
{
	protected $type = 'FilterDates';

	protected function getOptions()
	{
		$model = new RegistrationsModel;

		$params        = $model->getState('params');
		$dateFormat    = $params->get('date_format_global', 'Y - m - d');
		$dateSeparator = $params->get('date_separator', ' ');
		$timeFormat    = ($params->get('timeformat', '1') == 1) ? 'H:i' : 'h:i A';

		// Create a new query object.
		$db    = JFactory::getDbo();
		$query = $db->getQuery(true);

		// Select the required fields from the table.
		$query->select('r.date AS date, r.period AS period, r.eventid AS eventid');
		$query->from('#__icagenda_registration AS r');

		// Join over the events (period).
		$query->select('e.startdate AS startdate, e.enddate AS enddate, e.displaytime AS displaytime');
		$query->join('LEFT', '#__icagenda_events AS e ON e.id=r.eventid');

		$db->setQuery($query);
		$dates = $db->loadObjectList();

		$list = array();

		$eventId = $db->escape($model->getState('filter.events'));

		$p = $e = 0;

		// Add to select dropdown the filters 'For all dates of the event' and/or 'For all the period',
		// depending of registrations in data, and selected event
		foreach ($dates as $d)
		{
			$period = (empty($d->date) && ($d->period == 1 || $d->period == ''))
					? '[ ' . ucfirst(JText::_('COM_ICAGENDA_ADMIN_REGISTRATION_FOR_ALL_DATES')) . ' ]'
					: '';

			if (empty($d->date)
				&& $d->period == 1
				&& $e == 0
				)
			{
				if ( ! empty($eventId) && $eventId == $d->eventid)
				{
					$e = $e+1;
//					$list['all'] = $period;
					$list['all'] = array('value' => 'all', 'text' => $period);
				}
				elseif (empty($eventId))
				{
					$e = $e+1;
//					$list['all'] = $period;
					$list['all'] = array('value' => 'all', 'text' => $period);
				}
			}
		}

		// Add to select dropdown the list of dates,
		// depending of registrations in data, and selected event
		foreach ($dates as $d)
		{
			$date = '';

			if (empty($d->date) && $d->period == 0)
			{
				if ( ! empty($eventId) && $eventId == $d->eventid)
				{
					if (iCDate::isDate($d->startdate))
					{
						$date = iCGlobalize::dateFormat($d->startdate, $dateFormat, $dateSeparator);

						if ($d->displaytime)
						{
							$date.= ' - ' . date($timeFormat, strtotime($d->startdate));
						}
					}
					if (iCDate::isDate($d->enddate))
					{
						$date.= "\n" . '> ' . iCGlobalize::dateFormat($d->enddate, $dateFormat, $dateSeparator);

						if ($d->displaytime)
						{
							$date.= ' - ' . date($timeFormat, strtotime($d->enddate));
						}
					}
				}
				elseif (empty($eventId))
				{
					if (iCDate::isDate($d->startdate))
					{
						$date = iCGlobalize::dateFormat($d->startdate, $dateFormat, $dateSeparator);

						if ($d->displaytime)
						{
							$date.= ' - ' . date($timeFormat, strtotime($d->startdate));
						}
					}
					if (iCDate::isDate($d->enddate))
					{
						$date.= "\n" . '> ' . iCGlobalize::dateFormat($d->enddate, $dateFormat, $dateSeparator);

						if ($d->displaytime)
						{
							$date.= ' - ' . date($timeFormat, strtotime($d->enddate));
						}
					}
				}
				else
				{
					$date = '[ ' . ucfirst(JText::_('COM_ICAGENDA_ADMIN_REGISTRATION_FOR_ALL_PERIOD')) . ' ]';
				}
			}
			else
			{
				$deprecatedDate = iCDate::isDate($d->date)
								? $d->date
								: JText::_('JUNDEFINED') . "\n" . '&#8627; ' . JText::_('COM_ICAGENDA_LEGEND_EDIT_REGISTRATION');

				if  ( ! empty($eventId))
				{
					$date   = iCDate::isDate($d->date)
							? iCGlobalize::dateFormat($d->date, $dateFormat, $dateSeparator) . ' - ' . date('H:i', strtotime($d->date))
							: '&#9888; ' . $deprecatedDate;
				}
				else
				{
					$date   = iCDate::isDate($d->date)
							? iCGlobalize::dateFormat($d->date, $dateFormat, $dateSeparator) . ' - ' . date('H:i', strtotime($d->date))
							: '&#9888; ' . $deprecatedDate;
				}
			}

			$display_date	= ($date != '0000-00-00 00:00:00' && $d->date) ? true : false;
			$display_period	= ($date != '0000-00-00 00:00:00' && $d->startdate) ? true : false;

			if ($display_date
				&& ! empty($eventId)
				&& $eventId == $d->eventid
				)
			{
//				$list[$d->date] = $date;
				$list[$d->date] = array('value' => $d->date, 'text' => $date);
			}
			elseif ($display_date
				&& empty($eventId)
				)
			{
				if (iCDate::isDate($d->date))
				{
//					$list[date('Y-m-d', strtotime($d->date))] = $date;
					$list[date('Y-m-d', strtotime($d->date))] = array('value' => date('Y-m-d', strtotime($d->date)), 'text' => $date);
				}
				else
				{
//					$list[$d->date] = $date;
					$list[$d->date] = array('value' => $d->date, 'text' => $date);
				}
			}
			elseif ($display_period
				&& empty($eventId)
				)
			{
//				$list[date('Y-m-d', strtotime($d->startdate))] = $date;
				$list[date('Y-m-d', strtotime($d->startdate))] = array('value' => date('Y-m-d', strtotime($d->startdate)), 'text' => $date);
			}

			if (empty($d->date)
				&& $d->period == 0
				&& $p == 0
				)
			{
				if ( ! empty($eventId) && $eventId == $d->eventid)
				{
					$p = $p+1;
//					$list[1] = $date;
					$list[1] = array('value' => 1, 'text' => $date);
				}
				elseif (empty($eventId))
				{
					$p = $p+1;
//					$list[1] = $date;
//					$list[1] = array('value' => 1, 'text' => $date);
				}
			}
		}

//		if (empty($eventId))
//		{
//			$list = array_unique($list);
//		}

		krsort($list);

//		return $list;
		return array_merge(parent::getOptions(), $list);
	}
}