<?php

defined('JPATH_BASE') or die;

use Joomla\CMS\Form\FormField;
use Joomla\CMS\Factory;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Form\FormHelper;

jimport('joomla.html.html');

FormHelper::loadFieldClass('calendar');

class FormFieldJeveventdate extends JFormFieldCalendar
{

	/**
	 * The form field type.
	 *
	 * @var        string
	 * @since    1.6
	 */
	public
		$type = 'Jeveventdate';

	/**
	 * Method to get the field input markup.
	 *
	 * @return    string    The field input markup.
	 * @since    1.6
	 */
	protected
	function getInput()
	{

		$event      = $this->form->jevdata[$this->name]["event"];
		$eventfield = $this->name == "publish_up" ? "startDate" : "endDate";
		$showtime = in_array($eventfield, array("starttimelimit", "endtimelimit"));
		$params     = ComponentHelper::getParams(JEV_COM_COMPONENT);
		$minyear    = JEVHelper::getMinYear();
		$maxyear    = JEVHelper::getMaxYear();

		// Adjust date/time for timezones!
		if ($event->_tzid && !isset($event->tzid_adjusted))
		{
			// They are stored in system timezone - we need them in event timezone
			$testdate = DateTime::createFromFormat('Y-m-d H:i:s', $event->publish_up(), new DateTimeZone(@date_default_timezone_get()));
			$offset1  = $testdate->getOffset();
			$testdate->setTimezone(new DateTimeZone($event->tzid));
			$offset2 = $testdate->getOffset();

			// Fix for timezone specified repeating events breaks backwards compatability so we must do special case handling here
			if ($event->_modified < "2017-08-26 00:00:00")
			{
				//USE OFFSETS FOR unix time stamps!!
				$event->dtstart($testdate->format("U") - $offset2 + $offset1);
				$event->_publish_up    = $testdate->format('Y-m-d H:i:s');
				$event->_unixstartdate = $event->dtstart();
				$event->_unixstarttime = $event->dtstart();

				$testdate = DateTime::createFromFormat('Y-m-d H:i:s', $event->publish_down(), new DateTimeZone(@date_default_timezone_get()));
				$offset1  = $testdate->getOffset();
				$testdate->setTimezone(new DateTimeZone($event->tzid));
				$offset2 = $testdate->getOffset();

				$event->dtend($testdate->format("U") - $offset2 + $offset1);
				$event->_publish_down = $testdate->format('Y-m-d H:i:s');
				$event->_unixenddate  = $event->dtend();
				$event->_unixendtime  = $event->dtend();
			}
			else
			{
				//USE OFFSETS FOR unix time stamps!!
				$event->dtstart($testdate->format("U") - $offset1 + $offset2);
				$event->_publish_up    = $testdate->format('Y-m-d H:i:s');
				$event->_unixstartdate = $event->dtstart();
				$event->_unixstarttime = $event->dtstart();

				$testdate = DateTime::createFromFormat('Y-m-d H:i:s', $event->publish_down(), new DateTimeZone(@date_default_timezone_get()));
				$offset1  = $testdate->getOffset();
				$testdate->setTimezone(new DateTimeZone($event->tzid));
				$offset2 = $testdate->getOffset();

				$event->dtend($testdate->format("U") - $offset1 + $offset2);
				$event->_publish_down = $testdate->format('Y-m-d H:i:s');
				$event->_unixenddate  = $event->dtend();
				$event->_unixendtime  = $event->dtend();
			}

			$event->tzid_adjusted = true;
		}

		//return parent::getInput();

		$inputdateformat = $params->get("com_editdateformat", "d.m.Y");
		static $firsttime = true;
		if ($firsttime)
		{
			$document = Factory::getDocument();
			$js       = "\n eventEditDateFormat='$inputdateformat';//Date.defineParser(eventEditDateFormat.replace('d','%d').replace('m','%m').replace('Y','%Y'));";
			$document->addScriptDeclaration($js);
			$firsttime = false;
		}
		ob_start();

		$cal = JEVHelper::loadElectricCalendar($this->name, $this->name, $event->$eventfield(), $minyear, $maxyear, 'var elem =jevjq(this);'.$this->element['onhidestart'], "var elem = jevjq(this);".$this->element['onchange'], $inputdateformat, array(), $showtime);
		echo $cal;
		?>
		<input type="hidden" name="<?php echo $this->name; ?>2" id="<?php echo $this->name; ?>2" value=""/>
		<?php

		$html = ob_get_clean();

		JLoader::register('JEVHelper', JPATH_SITE . "/components/com_jevents/libraries/helper.php");
		JEVHelper::ConditionalFields($this->element, $this->form->getName());

		return $html;

	}

}

class_alias("FormFieldJeveventdate", "JFormFieldJeveventdate");