<?php
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\Language\Text;
use Joomla\CMS\Factory;
use Joomla\CMS\Uri\Uri;
use Joomla\CMS\Component\ComponentHelper;

$app        = Factory::getApplication();
$input      = $app->input;

$cfg = JEVConfig::getInstance();

$view = $this->getViewName();

echo $this->ExportScript();

$accessiblecats = explode(",", $this->datamodel->accessibleCategoryList());

echo "<h2 id='cal_title' class='gsl-h2'>" . Text::_('JEV_ICAL_EXPORT') . "</h2>\n";

if ($input->getString("submit", "") != "")
{

	$categories = $input->post->get('categories', array(0), null);

	$cats = array();
	foreach ($categories AS $cid)
	{
		$cid = intval($cid);
		// Make sure the user is authorised to view this category and the menu item doesn't block it!
		if (!in_array($cid, $accessiblecats) && $cid = !0)
			continue;
		$cats[] = $cid;
	}
	if (count($cats) == 0)
		$cats[] = 0;

	$jr_years = $input->post->get('years', array(0), null);
	$years    = JEVHelper::forceIntegerArray($jr_years, true);
	$catsImploded	= implode(",", $cats);

	$link = Uri::root() . "index.php?option=com_jevents&task=icals.export&format=ical";
	if (count($cats) > 0)
	{
		$link .= "&catids=" . $catsImploded;
	}
	$link .= "&years=" . $years;
	if ($input->getInt("icalformatted", 0))
	{
		$link .= "&icf=1";
	}

	$params = ComponentHelper::getParams(JEV_COM_COMPONENT);
	if ($params->get("constrained", 0))
	{
		$link .= "&Itemid=" . $input->getInt("Itemid", 1);
	}

	$icalkey    = $params->get("icalkey", "secret phrase");
	$publiclink = $link . "&k=" . md5($icalkey . $catsImploded . $years);

	$user = Factory::getUser();
	if ($user->id != 0)
	{
		$privatelink = $link . "&pk=" . md5($icalkey . $catsImploded . $years . $user->password . $user->username . $user->id) . "&i=" . $user->id;
	}
	else
	{
		$privatelink = "";
	}

	echo "<h2 class='ical_generated gsl-h2'>" . Text::_("JEV_ICAL_GENERATED") . "</h2>";

	echo "<h3 class='export_pub'>" . Text::_("JEV_PUBLIC_EVENTS") . "</h3>";
	if ($user->id != 0)
	{
		echo "<h3 class='export_priv'>" . Text::_("JEV_PUBLIC_AND_PRIVATE_EVENTS") . "</h3>";
	}

	if ($cfg->get("show_webcal_url", 0) == 1)
	{
		echo $this->ExportWebCal($publiclink, $privatelink);
	}

	if ($cfg->get("show_ical_download", 1) == 1)
	{
		echo $this->ExportIcalDownload($publiclink, $privatelink);
	}

	if ($cfg->get("outlook2003icalexport", 0) == 1)
	{
		echo $this->ExportOutlook2003($publiclink, $privatelink);
	}

	// New ICAL Export Options for Google,
	if ($cfg->get("show_webcal_google", 0) == 1)
	{
		echo $this->ExportGoogle($publiclink, $privatelink);
	}
}
if ($cfg->get("outlook2003icalexport", 0) == 0 && $cfg->get("show_ical_download", 1) == 0 && $cfg->get("show_webcal_url", 0) == 0 && $cfg->get("show_webcal_google", 0) && $cfg->get("outlook2003icalexport", 0))
{
	//If non are enabled we don't want to have user thinking the script is buggy as nothing is produced.
	echo "<div style='margin:15px;font-weight:bold;'>" . Text::_("JEV_ICAL_ALL_DISABLED") . "</div>";
}
else
{
	?>
	<div class="export_form">
		<form id="ical" name="ical" method="post" class="<?php isset($_POST['submit']) ? 'icalexportresults' : ''; ?>">
			<?php
			$categories = JEV_CommonFunctions::getCategoryData();

			?>
			<div class='choosecat' style='float:left;width:300px;'>
				<?php
				echo "<h3>" . Text::_('JEV_EVENT_CHOOSE_CATEG') . "</h3>\n";
				// All categories
				$cb      = "<input name=\"categories[]\" value=\"0\" type=\"checkbox\" onclick='clearIcalCategories(this);' ";
				$checked = false;
				if (!$input->post->get('categories', 0, null))
				{
					$cb      = $cb . " CHECKED";
					$checked = true;
				}
				else if ($input->post->get('categories', 0, null) && in_array(0, $input->post->get('categories', '', null)))
				{
					$cb      = $cb . " CHECKED";
					$checked = true;
				}
				echo $cb . " /><strong>" . Text::_("JEV_EVENT_ALLCAT") . "</strong><br/>\n";
				?>
				<div id='othercats' <?php echo $checked ? 'style="display:none;max-height:100px;overflow-y:auto;"' : 'style="display:block;"'; ?> >
					<?php
					foreach ($categories AS $c)
					{
						// Make sure the user is authorised to view this category and the menu item doesn't block it!
						if (!in_array($c->id, $accessiblecats))
							continue;
						$cb = "<input name=\"categories[]\" value=\"" . $c->id . "\" type=\"checkbox\" onclick='clearAllIcalCategories(this);' ";
						if (!$input->get('categories', 0))
						{
							//$cb=$cb." CHECKED";
						}
						else if ($input->get('categories', 0, 'array') && in_array($c->id, $input->post->get('categories', '', null)))
						{
							$cb = $cb . " CHECKED";
						}
						$cb = $cb . " /><span style=\"background:" . $c->color . "\">&nbsp;&nbsp;&nbsp;&nbsp;</span> " . str_repeat(" - ", $c->level - 1) . $c->title . "<br/>\n";
						echo $cb;
					}
					?>
				</div>
			</div>
			<div class='chooseyear' style='float:left;width:300px;'>
				<?php
				echo "<h3>" . Text::_('JEV_SELECT_REP_YEAR') . "</h3>\n";

				// All years
				$yt      = "<input name=\"years[]\" type=\"checkbox\" value=\"0\"  onclick='clearIcalYears(this);' ";
				$checked = false;
				if (!$input->get('years', 0))
				{
					$yt      = $yt . " CHECKED";
					$checked = true;
				}
				else if ($input->get('years', 0) && in_array(0, $input->post->get('years', '', null)))
				{
					$yt      = $yt . " CHECKED";
					$checked = true;
				}
				$yt = $yt . " /><strong>" . Text::_("JEV_EVENT_ALLYEARS") . "</strong><br/>\n";
				echo $yt;
				?>
				<div id='otheryears' <?php echo $checked ? 'style="display:none;max-height:100px;overflow-y:auto;"' : ''; ?> >
					<?php
					//consturc years array, easy to add own kind of selection
					$params = ComponentHelper::getParams(JEV_COM_COMPONENT);
					$year   = array();
					for ($y = JEVHelper::getMinYear(); $y <= JEVHelper::getMaxYear(); $y++)
					{
						if (!in_array($y, $year))
							$year[] = $y;
					}

					foreach ($year AS $y)
					{
						$yt = "<input name=\"years[]\" type=\"checkbox\" value=\"" . $y . "\" onclick='clearAllIcalYears(this);' ";
						if (!$input->get('years', 0))
						{
							//$yt = $yt . " CHECKED";
						}
						else if ($input->get('years', 0) && in_array($y, $input->post->get('years', '', null)))
						{
							$yt = $yt . " CHECKED";
						}
						$yt = $yt . " />" . $y . "<br/>\n";
						echo $yt;
					}
					?>
				</div>
			</div>
			<?php

			if ($params->get("icalformatted", 1) == 1)
			{
				echo "<div class='icalformat' style='clear:left; padding-top:5px;'>";
				echo "<h3>" . Text::_('JEV_ICAL_FORMATTING') . "</h3>\n";
				?>
				<input name="icalformatted" type="checkbox"
				       value="1" <?php echo $input->getInt("icalformatted", 0) ? "checked='checked'" : ""; ?> />
				<label>        <?php echo Text::_("JEV_PRESERVE_HTML_FORMATTING"); ?>    </label>
			<?php
				echo "</div>";
			}
			?>

			<input id="submit" class="ical_submit" type="submit" name="submit"
			       value="<?php echo Text::_('JEV_GENERATE_ICALS'); ?>"/>
		</form>
	</div>
<?php } ?>