<?php

if ( ! defined( 'ABSPATH' ) ) exit; // No direct access


class Aabcore_CACHE_Fa_Cache{

    private $cache_dir;
    private $cache_file;
    private $buffer;
    private $fs;
    private $aabcorecss;
    private $fi_cache_one_cache='on';
    private $ob_cache_eig_cache='on';
        private $url_path='';

    public function __construct() {


        $path = wp_upload_dir()['basedir'] . '/aabcore-cdn-cache';

        if (is_dir($path)){}else{
        wp_mkdir_p($path, 0777, true);
        }

        $this->cache_dir = $path.'/';


        // Stop caching for admin, logged-in users, or POST requests
        //if ( $_SERVER['REQUEST_METHOD'] !== 'GET' ) {
        //return;
        //}

        // Load WP_Filesystem
        require_once ABSPATH . 'wp-admin/includes/file.php';
        WP_Filesystem();
        global $wp_filesystem;
        
        add_action( 'init', array( $this, 'aabcore_cache_ifex_cache' ), 0 );
        add_action( 'template_redirect', array( $this, 'aabcore_start_buffer' ) );
        add_action( 'shutdown', array( $this, 'aabcore_cache_on_shutdown' ) );
        add_action( 'update_option_permalink_structure', array( $this, 'aabcore_cache_dkpl_cache' ), 10, 2 );
        add_action( 'switch_theme', array( $this, 'aabcore_cache_dkth_cache' ), 10, 2 );
        add_action( 'wp_ajax_aabcore_up_cache_op_cache', [$this,'aabcore_up_cache_op_cache'] );
        //add_action( 'wp_enqueue_scripts', [ $this, 'aabcore_cache_enq_cache_assets' ] );
      
    }

    public function aabcore_cache_enq_cache_assets() {
        wp_enqueue_style(
            'aabcore-global',
            wp_upload_dir()['baseurl'].'/aabcore-cdn-cache/'.$this->url_path.'.css',
            array(),
            filemtime( wp_upload_dir()['basedir'] . '/aabcore-cdn-cache/'.$this->url_path.'.css' )
        );
    }

   
/**
 * AJAX handler.
 */
    function aabcore_up_cache_op_cache() {

    check_ajax_referer( 'aabcore_tmss2_nonce', 'nonce' );

    if ( ! current_user_can( 'manage_options' ) ) {
        wp_send_json_error( 'Permission denied' );
    }

    $option = sanitize_text_field( wp_unslash( $_POST['option_name'] ?? '' ));
    $state  = sanitize_text_field( wp_unslash( $_POST['state'] ?? '' ));

    if ( empty( $option ) ) {
        wp_send_json_error( 'Missing option name' );
    }

    update_option( $option, $state );

    wp_send_json_success( [ 'state' => $state ] );
    }


    function aabcore_cache_pa_cdn_cache() {

        $Aabcore_top = new Aabcore_top(); 
        $Aabcore_top->aabcore_cache_top();
        $af_cache_a_cache = new Aabcore_Af_cache_cdn_cache(); 
        $af_cache_a_cache->aabcore_ar_cache_cdn_cache();
        ?>
    </div></div></div></div>
    <?php
    }

    public function aabcore_cache_cout_cache() {
 
     $files = glob( $this->cache_dir . '*.html' );
        $total_size = 0;
        $cot_cache = count( $files );
 
      return $cot_cache;
      
        }


       public function aabcore_cache_sie_cache() {
 
     $files = glob( $this->cache_dir . '*.html' );
        $total_size = 0;
        $count = count( $files );

        foreach ( $files as $file ) {
            $total_size += filesize( $file );
        }

        $sie_kb = round( $total_size / 1024, 2 );

      
      return $sie_kb;
 
        }
 

    private function aabcore_cache_file_cache() {

        $h_url= isset($_SERVER['REQUEST_URI']) ? sanitize_text_field(wp_unslash($_SERVER['REQUEST_URI'])) : '';
        $url_path = trim( wp_parse_url( $h_url, PHP_URL_PATH ), '/' );
        if ( $url_path === '' ) $url_path = 'index';
        $this->url_path=$url_path;
        $file_name = sanitize_title_with_dashes( $url_path ) . '.html';
        return trailingslashit( $this->cache_dir ) . $file_name;
    }


     public function aabcore_d_cache_d($url) {

     $submitted_url = esc_url_raw( $url );
        $parsed = wp_parse_url( $submitted_url );

        $path = $parsed['path'] ?? '';
        $query = isset($parsed['query']) ? '?' . $parsed['query'] : '';        

        $url_path= $path . $query;
       if ($url_path === '/' ) $url_path = 'index';
       $file_name = sanitize_title_with_dashes( $url_path ) . '.html';
       $rJ_cache_cdn= trailingslashit( $this->cache_dir ) . $file_name;
     

      wp_delete_file($rJ_cache_cdn);

      return $url_path;
      }

    
       public function aabcore_cache_c_cache() {

          $cache_c_cache= new Aabcore_cache_on_cache();
          if ($cache_c_cache->Aabcore_cache_ona_cache() <> "") {
          $d_cache = json_decode($cache_c_cache->Aabcore_cache_ona_cache(), true);
          }
       return $d_cache[3]['t_cache_cdn'];
       }
    
        public function aabcore_cache_dkpl_cache() {
                $filet = glob( $this->cache_dir . '*.*' );
        foreach ( $filet as $filed ) {
         wp_delete_file( $filed );
        }
        }
      
        public function aabcore_cache_dkth_cache() {
                $filet = glob( $this->cache_dir . '*.*' );
        foreach ( $filet as $filed ) {
         wp_delete_file( $filed );
        }
        }


        public function aabcore_cache_de_cache() {
                $filet = glob( $this->cache_dir . '*.*' );
        foreach ( $filet as $filed ) {
         wp_delete_file( $filed );
        }
        }
    
    
    private $start_time;
    private $end_time;

    public function aabcore_cache_ifex_cache() {

        WP_Filesystem();
        global $wp_filesystem;

        $this->cache_file = $this->aabcore_cache_file_cache();
        $cache_lifetime   = get_option('cache_ti_cdn_cache'); // 1 hour

        if ( $wp_filesystem->exists( $this->cache_file ) ) {
            $filemtime = filemtime( $this->cache_file ); // This is okay for metadata
            if ( ( time() - $filemtime ) < $cache_lifetime ) {
     
        $file=$this->cache_file;
        $Maxage =$cache_lifetime;

       $fa_cache=new Aabcore_cache_on_cache();
       $fa_cache->aabcore_cache_he_cache( $file, $Maxage, $filemtime );

       if(get_option('aabcore_cache_eig_cache_cdn_cache')===$this->ob_cache_eig_cache){

                }
                $html = $wp_filesystem->get_contents( $this->cache_file );
                if ( $html ) {
                  
                $aabcore_cache_my_cache_p_cache_lug_cache= get_option('aabcore_cache_my_cache_p_cache_lug', 'off'); // default 'off'

                echo wp_kses($html, $this->aabcore_cache_allowed_cache_htmltag_cache());
                exit;
                }
            }
        }
      }
    
    
    public function aabcore_start_buffer() {
        ob_start( array( $this, 'aabcore_capture_output' ) );

    }

    public function aabcore_capture_output( $html ) {
        
       $this->buffer = $html;
    if ( ! headers_sent() ) {
    //header( 'X-Cache: MISS' );
    }
    return $html;
    }


    public function aabcore_cache_allowed_cache_htmltag_cache() {
       
    $aabcore_cache_allow_cache_html_cache= wp_kses_allowed_html('post');

    $aabcore_cache_allow_cache_html_cache['script'] = [
    'src' => true,
    'type' => true,
    'async' => true,
    'defer' => true,
    'id' => true,
    ];

    $aabcore_cache_allow_cache_html_cache['link'] = [
    'rel' => true,
    'href' => true,
    'type' => true,
    ];

    $aabcore_cache_allow_cache_html_cache['meta'] = [
    'name' => true,
    'content' => true,
    'charset' => true,
    ];


    $aabcore_cache_allow_cache_html_cache['style'] = [
    'type'  => true,
    'media' => true,
    'id' => true,
    'css' => true,
    ];


   // Allow <html>
   $aabcore_cache_allow_cache_html_cache['html'] = array(    'lang' => array(),
    'dir'  => array());
   $aabcore_cache_allow_cache_html_cache['head'] = array();
   $aabcore_cache_allow_cache_html_cache['body'] = array(
    'class' => array(),
     'style' => true,
     'id' => true,
   );


    $tags= array('circle','image','div','span','p','a','ul','li','hr','br','strong','em','img','nav','ol','header','center','footer','label','button','svg','path','iframe','main','h1','h2','h3','h4','h5','h6','time','symbol','table','td','tr','a','abbr','acronym','address','applet','area','article','aside','audio','b','base','basefont','bdi','bdo','big','blockquote','body','br','button','canvas','caption','center','cite','code','col','colgroup','data','datalist','dd','del','details','dfn','dialog','dir','div','dl','dt','em','embed','fieldset','figcaption','figure','font','footer','form','frame','frameset','h1','h6','head','header','hgroup','hr','html','i','iframe','img','input','ins','kbd','label','legend','li','link','main','map','mark','menu','meta','meter','nav','noframes','noscript','object','ol','optgroup','option','output','p','param','picture','pre','progress','q','rp','rt','ruby','s','samp','script','search','section','select','small','source','span','strike','strong','style','sub','summary','sup','svg','table','tbody','td','template','textarea','tfoot','th','thead','time','title','tr','track','tt','u','ul','var','video','wbr');

    //$tags= array('div','a','p','img','button','h1','h2','h3','ul','ol','li','svg','nav','hr','br','main','header','path','label','form','footer','img','strong','em','iframe','input','textarea','table','tr','td','i');

    foreach ($tags as $tag) {
    if (!isset($aabcore_cache_allow_cache_html_cache[$tag])) {
    $aabcore_cache_allow_cache_html_cache[$tag] = array();
    }
    $aabcore_cache_allow_cache_html_cache[$tag] = array(         
                'href' => true,
                'title' => true,
                'class' => true,
                'target' => true,
                'rel' => true,
                'role' => true,
                'aria' => true,
                'aria-*' => true,
                'id' => true,
                'style' => true,
                'for' => true,
                'src' => true,
                'data' => true,
                'data-*' => true,
                'width' => true,
                'height' => true,
    'd' => true,
    'xmlns' => true,
    'viewBox'    => true,
    'tabindex'    => true,
    'focusable'    => true,
    'datetime'    => true,
    'current'     => true,
'tabindex'     => true,
'value'     => true,
'type'     => true,
'method'     => true,
'action'     => true,
'target'     => true,
'hidden'     => true,
'name'     => true,
'current'     => true,
'stroke'     => true,
'stroke-*'     => true,
'media'     => true,
'@media'     => true,
'label'     => true,
'decoding'     => true,
'loading'     => true,
'srcset'     => true,
'xmlns'     => true,
'cx'     => true,
'cy'     => true,
'r'     => true,
'alt'     => true,
'values'     => true,
'display'     => true,
'sizes'     => true,
'alt'     => true,
'picture'     => true,
'image'     => true,
'img'     => true,
    );}

    return $aabcore_cache_allow_cache_html_cache;

    }

   
    public function aabcore_cache_on_shutdown() {

    if ( ob_get_level() > 0 ) {
        ob_end_flush();
    }
        if ( empty( $this->buffer ) ) return;

        WP_Filesystem();
        global $wp_filesystem;

        $this->cache_file = $this->aabcore_cache_file_cache();

        $existing_files = glob( $this->cache_dir . '*.html' );
        $to_cache_to_cache_cdn = count( $existing_files );

        
        if ( $to_cache_to_cache_cdn >= $this->aabcore_cache_c_cache() ) {   
        return;
        }
        if(get_option('aabcore_cache_one_cache_cdn_cache')!==$this->fi_cache_one_cache){
        return;
        }

        if ( is_404() ) {
        return;
        }


        $upload_dir = wp_upload_dir();
        $base_url   = $upload_dir['baseurl'];

        $cache_min = new Aabcore_cache_on_cache();
        
        $lu_cache_lu_cache = $cache_min->aabcore_min_cache_html_cache($this->buffer) . "\n" . '';
        //------------------------
        //$lu_cache_lu_cache=str_replace($this->aabcorecss,'',$lu_cache_lu_cache_a);
   
        $wp_filesystem->put_contents($this->cache_file, $lu_cache_lu_cache,  FS_CHMOD_FILE );

        //$wp_filesystem->put_contents(str_replace('.html','.css',$this->cache_file), $this->aabcorecss,  FS_CHMOD_FILE );


    }
    

}new Aabcore_CACHE_Fa_Cache();