<?php

if (!function_exists('ai_post_generator_return_json_2')){

    /**

     * return_json

     * 

     * @param array $response

     * @return json

     */

    function ai_post_generator_return_json_2($response = array()) {

        header('Content-Type: application/json');

        exit(json_encode($response));

    }

}

if (!function_exists('ai_post_generator_stripAccents2')){

    function ai_post_generator_stripAccents2($str) {

        return strtr(utf8_decode($str), utf8_decode('àáâãäçèéêëìíîïñòóôõöùúûüýÿÀÁÂÃÄÇÈÉÊËÌÍÎÏÑÒÓÔÕÖÙÚÛÜÝ'), 'aaaaaceeeeiiiinooooouuuuyyAAAAACEEEEIIIINOOOOOUUUUY');

    }

}



if (!function_exists('get_ai_post_generator_toc')){

function get_ai_post_generator_toc($content) {
  // get headlines
      $headings = get_ai_post_generator_headings($content, 1, 6);
      $lang = get_bloginfo("language");
	  if (str_starts_with($lang, 'es')){
        $toc="Tabla de contenido";
      }elseif(str_starts_with($lang, 'en')){
        $toc = "Table Of Contents";
      }elseif(str_starts_with($lang, 'fr')){
        $toc = "Table des matières";
      } elseif(str_starts_with($lang, 'de')){
        $toc = "Inhaltsverzeichnis";
      } elseif(str_starts_with($lang, 'ru')){
        $toc = "Оглавление";
      } elseif(str_starts_with($lang, 'it')){
        $toc = "Indice";
      } elseif(str_starts_with($lang, 'pt')){
        $toc = "Índice";
      } elseif(str_starts_with($lang, 'pl')){
        $toc = "Spis treści";
      } elseif(str_starts_with($lang, 'sv')){
        $toc = "Innehållsförteckning";
      } elseif(str_starts_with($lang, 'nl')){
        $toc = "Inhoudsopgave";
      } elseif(str_starts_with($lang, 'da')){
        $toc = "Indholdsfortegnelse";
      } elseif(str_starts_with($lang, 'fi')){
        $toc = "Sisällysluettelo";
      } elseif(str_starts_with($lang, 'tr')){
        $toc = "İçindekiler";
      } elseif(str_starts_with($lang, 'el')){
        $toc = "Πίνακας περιεχομένων";
      } elseif(str_starts_with($lang, 'ar')){
        $toc = "فهرس المحتويات";
      } elseif(str_starts_with($lang, 'he')){
        $toc = "תוכן העניינים";
      } elseif(str_starts_with($lang, 'fa')){
        $toc = "فهرست مطالب";
      } elseif(str_starts_with($lang, 'no')){
        $toc = "Innholdsfortegnelse";
      } elseif(str_starts_with($lang, 'cs')){
        $toc = "Obsah";
      } elseif(str_starts_with($lang, 'th')){
        $toc = "สารบัญ";
      } elseif(str_starts_with($lang, 'hu')){
        $toc = "Tartalomjegyzék";
      } elseif(str_starts_with($lang, 'ja')){
        $toc = "目次";
      } elseif(str_starts_with($lang, 'ko')){
        $toc = "목차";
      } elseif(str_starts_with($lang, 'hi')){
        $toc = "अनुक्रमणिका";
      } elseif(str_starts_with($lang, 'bn')){
        $toc = "সূচিপত্র";
      } elseif(str_starts_with($lang, 'uk')){
        $toc = "Зміст";
      } elseif(str_starts_with($lang, 'vi')){
        $toc = "Mục lục";
      } elseif(str_starts_with($lang, 'id')){
        $toc = "Daftar Isi";
      } elseif(str_starts_with($lang, 'ro')){
        $toc = "Cuprins";
      } elseif(str_starts_with($lang, 'ms')){
        $toc = "Kandungan";
      } elseif(str_starts_with($lang, 'ca')){
        $toc = "Índex";
      } elseif(str_starts_with($lang, 'lt')){
        $toc = "Turinys";
      } elseif(str_starts_with($lang, 'bg')){
        $toc = "Съдържание";
      } elseif(str_starts_with($lang, 'hr')){
        $toc = "Sadržaj";
      } elseif(str_starts_with($lang, 'sr')){
        $toc = "Садржај";
      } elseif(str_starts_with($lang, 'zh')){
        $toc = "目录";
      } elseif(str_starts_with($lang, 'is')){
        $toc = "Efnisyfirlit";
      } elseif(str_starts_with($lang, 'sl')){
        $toc = "Kazalo vsebine";
      } elseif(str_starts_with($lang, 'et')){
        $toc = "Sisukord";
      } elseif(str_starts_with($lang, 'sk')){
        $toc = "Obsah";
      } elseif(str_starts_with($lang, 'mk')){
        $toc = "Содржина";
      } elseif(str_starts_with($lang, 'az')){
        $toc = "Mündəricat";
      } elseif(str_starts_with($lang, 'lv')){
        $toc = "Saturs";
      } elseif(str_starts_with($lang, 'hy')){
        $toc = "Տեքստի բաղադրիչ";
      } elseif(str_starts_with($lang, 'eu')){
        $toc = "Edukien taula";
      } elseif(str_starts_with($lang, 'gl')){
        $toc = "Índice";
      } elseif(str_starts_with($lang, 'af')){
        $toc = "Inhoudsopgawe";
      } else{
		$toc = "Table of contents";
	  }
      // parse toc
      ob_start();
      echo "<div class='ai-table-of-contents'>";
      echo "<span class='toc-headline'>" . $toc . "</span>";
      echo "<span class='toggle-toc custom-setting' title='collapse'>−</span>";
      ai_post_generator_parse_toc($headings, 0, 0);
      echo "</div>";
      return ob_get_clean();
    }
}

if (!function_exists('ai_post_generator_parse_toc')){

    function ai_post_generator_parse_toc($headings, $index, $recursive_counter) {
      // prevent errors

      if($recursive_counter > 60 || !count($headings)) return;
      // get all needed elements
      $last_element = $index > 0 ? $headings[$index - 1] : NULL;
      $current_element = $headings[$index];
      $next_element = NULL;
      if($index < count($headings) && isset($headings[$index + 1])) {
        $next_element = $headings[$index + 1];
      }

      // end recursive calls
      if($current_element == NULL) return;

      // get all needed variables
      $tag = intval($headings[$index]["tag"]);
      $id = $headings[$index]["id"];
      $classes = isset($headings[$index]["classes"]) ? $headings[$index]["classes"] : array();
      $name = $headings[$index]["name"];

      // element not in toc
      if(isset($current_element["classes"]) && $current_element["classes"] && in_array("nitoc", $current_element["classes"])) {
        ai_post_generator_parse_toc($headings, $index + 1, $recursive_counter + 1);
        return;
      }

      // parse toc begin or toc subpart begin
      if($last_element == NULL) echo "<ul>";
      if($last_element != NULL && $last_element["tag"] < $tag) {
        for($i = 0; $i < $tag - $last_element["tag"]; $i++) {
          echo "<ul>";
        }
      }

      // build li class
      $li_classes = "";
      if(isset($current_element["classes"]) && $current_element["classes"] && in_array("toc-bold", $current_element["classes"])) $li_classes = " class='bold'";

      // parse line begin
      echo "<li" . $li_classes .">";

      // only parse name, when li is not bold
      if(isset($current_element["classes"]) && $current_element["classes"] && in_array("toc-bold", $current_element["classes"])) {
        echo $name;
      } else {
        echo "<a href='#" . $id . "'>" . $name . "</a>";
      }
      if($next_element && intval($next_element["tag"]) > $tag) {
        ai_post_generator_parse_toc($headings, $index + 1, $recursive_counter + 1);
      }

      // parse line end
      echo "</li>";

      // parse next line
      if($next_element && intval($next_element["tag"]) == $tag) {
        ai_post_generator_parse_toc($headings, $index + 1, $recursive_counter + 1);
      }

      // parse toc end or toc subpart end
      if ($next_element == NULL || ($next_element && $next_element["tag"] < $tag)) {
        echo "</ul>";
        if ($next_element && $tag - intval($next_element["tag"]) >= 2) {
          echo "</li>";
          for($i = 1; $i < $tag - intval($next_element["tag"]); $i++) {
            echo "</ul>";
          }
        }
      }

      // parse top subpart
      if($next_element != NULL && $next_element["tag"] < $tag) {
        ai_post_generator_parse_toc($headings, $index + 1, $recursive_counter + 1);
      }
    }

}

if (!function_exists('get_ai_post_generator_headings')){

    function get_ai_post_generator_headings($content, $from_tag = 1, $to_tag = 6) {
      $headings = array();
      preg_match_all("/<h([" . $from_tag . "-" . $to_tag . "])([^<]*)>(.*)<\/h[" . $from_tag . "-" . $to_tag . "]>/", $content, $matches);
      
      for($i = 0; $i < count($matches[1]); $i++) {
        $headings[$i]["tag"] = $matches[1][$i];
        // get id
        $att_string = $matches[2][$i];
        preg_match("/id=\"([^\"]*)\"/", $att_string , $id_matches);
        $headings[$i]["id"] = $id_matches[1];
        // get classes
        $att_string = $matches[2][$i];
        preg_match_all("/class=\"([^\"]*)\"/", $att_string , $class_matches);
        for($j = 0; $j < count($class_matches[1]); $j++) {
          $headings[$i]["classes"] = explode(" ", $class_matches[1][$j]);
        }
        $headings[$i]["name"] = strip_tags($matches[3][$i]);
      }
      return $headings;
    }

}

if (!function_exists('ai_post_generator_auto_id_headings')){
    /**
 * Automatically add IDs to headings such as <h2></h2>
 */
function ai_post_generator_auto_id_headings( $content ) {
  $content = preg_replace_callback('/(\<h[1-6](.*?))\>(.*)(<\/h[1-6]>)/i', function( $matches ) {
    if(!stripos($matches[0], 'id=')) {
      $matches[0] = $matches[1] . $matches[2] . ' id="' . sanitize_title( $matches[3] ) . '">' . $matches[3] . $matches[4];
    }
    return $matches[0];
  }, $content);
    return $content;
}

}

if (!function_exists('ai_post_generator_download_img')){

  function ai_post_generator_download_img($image_url, $name, $sanitazed_name) {

      // it allows us to use download_url() and wp_handle_sideload() functions
      require_once( ABSPATH . 'wp-admin/includes/file.php' );

      // download to temp dir
      $temp_file = download_url( $image_url );

      if( is_wp_error( $temp_file ) ) {
          return false;
      }
      $info = getimagesize($temp_file);
      $extension = image_type_to_extension($info[2]);
      if ($extension!=".jpeg" && $extension!=".gif" && $extension!=".png" && $extension!=".jpg" && $extension!=".webp"){
          return false;
      }

      // move the temp file into the uploads directory
      $file = array(
          'name'     => $sanitazed_name . $extension,
          'type'     => mime_content_type( $temp_file ),
          'tmp_name' => $temp_file,
          'size'     => filesize( $temp_file ),
      );
      $sideload = wp_handle_sideload(
          $file,
          array(
              'test_form'   => false // no needs to check 'action' parameter
          )
      );

      if( ! empty( $sideload[ 'error' ] ) ) {
          // you may return error message if you want
          return false;
      }

      // it is time to add our uploaded image into WordPress media library
      $attachment_id = wp_insert_attachment(
          array(
              'guid'           => $sideload[ 'url' ],
              'post_mime_type' => $sideload[ 'type' ],
              'post_title'     => $name,
              'post_content'   => '',
              'post_status'    => 'inherit',
          ),
          $sideload[ 'file' ]
      );

      if( is_wp_error( $attachment_id ) || ! $attachment_id ) {
          return false;
      }

      // update medatata, regenerate image sizes
      require_once( ABSPATH . 'wp-admin/includes/image.php' );

      wp_update_attachment_metadata(
          $attachment_id,
          wp_generate_attachment_metadata( $attachment_id, $sideload[ 'file' ] )
      );

      return $attachment_id;

  }
  
}

?>