<?php

namespace ProjectSoft;

class AssetsCSS {

public static function addCss(\DocumentParser $modx, array $list, string $out_type="content", string $attr = "")

{

if(is_array($list)):

$list = array_map(function($val){

$val = ltrim(trim($val), "\\/");

return $val;

}, $list);

$content = "";

$vars = $list;

$attr = trim($attr);

$attr = ((strlen(trim($attr)) > 0) ? " {$attr}" : "");

foreach($vars as $key=>$val):

$path_base = MODX_BASE_PATH . str_replace(MODX_BASE_PATH, '', $val);

$time = 0;

if(is_file($path_base))

$time = filemtime($path_base);

$vars[$key] = $path_base . '?' . $time;

endforeach;

$cache = 'assets/cache/css/style.'.md5(print_r($vars, true)).'.css';

if(is_file(MODX_BASE_PATH . $cache)):

$content = file_get_contents(MODX_BASE_PATH . $cache);

else:

@mkdir( MODX_BASE_PATH . 'assets/cache/css/', 0777, true );

self::setHtaccess(MODX_BASE_PATH . 'assets/cache/css/');

foreach($list as $key=>$val):

$content .= trim(self::minifyCss(self::getContent($val)));

endforeach;

file_put_contents(MODX_BASE_PATH . $cache, $content);

endif;

if($out_type=="content"):

$out = "<style type=\"text/css\"{$attr}>". $content . "</style>";

else:

$out = "<link rel=\"stylesheet\" href=\"/${cache}\"{$attr}>";

endif;

return $out;

endif;

return "";

}

private static function setHtaccess(string $path = "")

{

$dir = rtrim(MODX_BASE_PATH . str_replace(MODX_BASE_PATH, "", $path), "/") . "/";

if($dir !== MODX_BASE_PATH && is_dir($dir)):

$content = "order deny,allow".PHP_EOL;

$content .= "allow from all".PHP_EOL;

$content .= "Options -Indexes".PHP_EOL;

@file_put_contents($dir . ".htaccess", $content);

endif;

}

private static function getContent(string $path)

{

$path_base = MODX_BASE_PATH . str_replace(MODX_BASE_PATH, '', $path);

if(is_file($path_base)):

$content = @file_get_contents($path_base);

if($content){

return $content;

}

endif;

return "";

}

private static function minifyCss(string $content)

{

$content = preg_replace( '!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $content );

$content = preg_replace( '/(\s\s+|\t|\n)/', ' ', $content );

$content = preg_replace( array('(( )+{)','({( )+)'), '{', $content );

$content = preg_replace( array('(( )+})','(}( )+)','(;( )*})'), '}', $content );

$content = preg_replace( array('(;( )+)','(( )+;)'), ';', $content );

$content = str_replace(array(', ', ': ', '; ', ' > ', ' }', '} ', ';}', '{ ', ' {'), array(',', ':', ';', '>', '}', '}', '}', '{', '{'), $content);

return $content;

}

private function debug($args, string $debug = 'css.txt')

{

$h = @fopen(MODX_BASE_PATH . $debug, 'a+');

@fwrite($h, print_r($args, true) . PHP_EOL);

@fclose($h);

}

}