<?php
/**
 * Mikio CSS/LESS Engine
 *
 * @link    http://dokuwiki.org/template:mikio
 * @author  James Collins <james.collins@outlook.com.au>
 * @license GPLv2 (http://www.gnu.org/licenses/gpl-2.0.html)
 */

require(dirname(__FILE__) . '/inc/polyfill-ctype.php');

if(!function_exists('getallheaders')) {
	function getallheaders() {
		$headers = [];
		foreach($_SERVER as $name => $value) {
			if(substr($name, 0, 5) == 'HTTP_') {
				$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
			}
		}
		return $headers;
	}
}

try {
    $lesscLib = '../../../vendor/marcusschwarz/lesserphp/lessc.inc.php';
    if(!file_exists($lesscLib))
        $lesscLib = $_SERVER['DOCUMENT_ROOT'] . '/vendor/marcusschwarz/lesserphp/lessc.inc.php';
    if(!file_exists($lesscLib))
        $lesscLib = '../../../../../app/dokuwiki/vendor/marcusschwarz/lesserphp/lessc.inc.php';
    if(!file_exists($lesscLib))
        $lesscLib = $_SERVER['DOCUMENT_ROOT'] . '/app/dokuwiki/vendor/marcusschwarz/lesserphp/lessc.inc.php';

    if(file_exists($lesscLib)) {
        @require_once($lesscLib);

        if(isset($_GET['css'])) {
            $baseDir = dirname(__FILE__) . '/';
            $cssFile = realpath($baseDir . $_GET['css']);

            if(strpos($cssFile, $baseDir) === 0 && file_exists($cssFile)) {
                $rawVars = Array();
                $file = 'style.ini';
                if(file_exists($file)) $rawVars = array_merge($rawVars, parse_ini_file($file, TRUE));

                $file = '../../../conf/tpl/mikio/style.ini';
                if(file_exists($file)) $rawVars = array_merge($rawVars, parse_ini_file($file, TRUE));

                $file = $_SERVER['DOCUMENT_ROOT'] . '/conf/tpl/mikio/style.ini';
                if(file_exists($file)) $rawVars = array_merge($rawVars, parse_ini_file($file, TRUE));

                $css = file_get_contents($cssFile);

                header('Content-Type: text/css; charset=utf-8');

                $less = new lessc();
                $less->setPreserveComments(false);
                
                $vars = Array();
                if(isset($rawVars['replacements'])) {
                    foreach($rawVars['replacements'] as $key=>$val) {
                        if(substr($key, 0, 2) == '__' && substr($key, -2) == '__') {
                            $vars['ini_' . substr($key, 2, -2)] = $val;
                        }
                    }
                }

                if(count($vars) > 0) {
                    $less->setVariables($vars);
                }
                
                $css = $less->compile($css);
                echo $css;
            } else {
                header('HTTP/1.1 404 Not Found'); 
                echo "The requested file could not be found";              
            }
        } else {
            header('HTTP/1.1 404 Not Found'); 
            echo "The requested file could not be found";              
        }
    } else {
        throw new Exception('Mikio could not find the LESSC engine in DokuWiki');
    }
}
catch(Exception $e) {
  header('Content-Type: text/css; charset=utf-8');
  include(dirname(__FILE__) . '/assets/mikio.css');
}