<?php
zp_register_filter('themeSwitcher_head', 'switcher_head');
zp_register_filter('themeSwitcher_Controllink', 'switcher_controllink');
zp_register_filter('theme_head', 'css_head', 0);

$curdir = getcwd();
chdir(SERVERPATH . "/themes/".basename(dirname(__FILE__))."/styles");
$filelist = safe_glob('*.css');
$themecolors = array();
foreach($filelist as $file) {
	$file = str_replace('.css', '', $file);
	$themecolors[] = filesystemToInternal($file);
}
chdir($curdir);

function css_head($ignore) {
	global $themecolors, $zenCSS, $themeColor, $_zp_themeroot;
	if (!$themeColor) {
		$themeColor = getThemeOption('Theme_colors');
	}
	$zenCSS = $_zp_themeroot . '/styles/' . $themeColor . '.css';
	$unzenCSS = str_replace(WEBPATH, '', $zenCSS);
	if (!file_exists(SERVERPATH . internalToFilesystem($unzenCSS))) {
		$zenCSS = $_zp_themeroot. "/styles/light.css";
	}
	return $ignore;
}

function switcher_head($ignore) {
	global $personalities, $themecolors, $themeColor;
	$themeColor = getOption('themeSwitcher_default_color');
	if (isset($_GET['themeColor'])) {
		$new = $_GET['themeColor'];
		if (in_array($new, $themecolors)) {
			setOption('themeSwitcher_default_color', $new);
			$themeColor = $new;
		}
	}
	?>
	<script type="text/javascript">
		// <!-- <![CDATA[
		window.onload = function() {
			$('#themeSwitcher_zenpage').html('');
		}
		function switchColors() {
			personality = $('#themeColor').val();
			window.location = '?themeColor='+personality;
		}
		// ]]> -->
	</script>
	<?php
	return $ignore;
}

function switcher_controllink($ignore) {
	global $themecolors;
	$color = getOption('themeSwitcher_default_color');
	if (!$color) {
		$color = getOption('Theme_colors');
	}
	?>
	<span title="<?php echo gettext("Default theme color scheme."); ?>">
		<?php echo gettext('Theme Color'); ?>
		<select name="themeColor" id="themeColor" onchange="switchColors();">
			<?php generateListFromArray(array($color), $themecolors, false, false); ?>
		</select>
	</span>
	<?php
	return $ignore;
}
?>