<?

namespace admin\factory;

class Pages
{

  public static $_page_types = [ 0 => 'pełne artykuły', 1 => 'wprowadzenia', 2 => 'miniaturki', 3 => 'link', 4 => 'kontakt' ];
  public static $_sort_types = [
          0 => 'data dodania - najstarsze na początku',
          1 => 'data dodania - najnowsze na początku',
          2 => 'data modyfikacji - rosnąco',
          3 => 'data mofyfikacji - malejąco',
          4 => 'ręczne',
          5 => 'alfabetycznie - A - Z',
          6 => 'alfabetycznie - Z - A'
  ];

  public static function save_articles_order( $page_id, $articles )
  {
    global $mdb;
    if ( is_array( $articles ) )
    {
      $mdb -> update( 'pp_articles_pages', [ 'o' => 0 ],
              [ 'page_id' => (int) $page_id ] );

      for ( $i = 0; $i < count( $articles ); $i++ )
      {
        if ( $articles[$i]['item_id'] )
        {
          $x++;
          $mdb -> update( 'pp_articles_pages', [ 'o' => $x ],
                  [ 'AND' => [ 'page_id' => (int) $page_id, 'article_id' => $articles[$i]['item_id'] ] ] );
        }
      }
    }
    return true;
  }

  public static function page_articles( $page_id )
  {
    global $mdb;
    $results = $mdb -> query( 'SELECT '
                    . 'article_id, o, status '
                    . 'FROM '
                    . 'pp_articles_pages AS ap '
                    . 'INNER JOIN pp_articles AS a ON a.id = ap.article_id '
                    . 'WHERE '
                    . 'page_id = ' . (int) $page_id . ' AND status != -1 '
                    . 'ORDER BY '
                    . 'o ASC' ) -> fetchAll();
    if ( is_array( $results ) )
      foreach ( $results as $row )
      {
        $row['title'] = \admin\factory\Articles::article_title( $row['article_id'] );
        $articles[]   = $row;
      }
    return $articles;
  }

  public static function menus_list()
  {
    global $mdb;
    return $mdb -> select( 'pp_menus', '*', [ 'ORDER' => [ 'name' => 'ASC' ] ] );
  }

  public static function save_pages_order( $menu_id, $pages )
  {
    global $mdb;
    if ( is_array( $pages ) )
    {
      $mdb -> update( 'pp_pages', [ 'o' => 0 ], [ 'menu_id' => (int) $menu_id ] );

      for ( $i = 0; $i < count( $pages ); $i++ )
      {
        if ( $pages[$i]['item_id'] )
        {
          $pages[$i]['parent_id'] ? $parent_id = $pages[$i]['parent_id'] : $parent_id = 0;

          if ( $pages[$i]['item_id'] && $pages[$i]['depth'] > 1 )
          {
            if ( $pages[$i]['depth'] == 2 )
              $parent_id = null;

            $x++;

            $mdb -> update( 'pp_pages', [ 'o' => $x, 'parent_id' => $parent_id ],
                    [ 'id' => (int) $pages[$i]['item_id'] ] );
          }
        }
      }
    }

    \S::delete_cache();

    return true;
  }

  public static function page_delete( $page_id )
  {
    global $mdb;
    if ( $mdb -> count( 'pp_pages', [ 'parent_id' => (int) $page_id ] ) )
      return false;

    if ( $mdb -> delete( 'pp_pages', [ 'id' => (int) $page_id ] ) )
    {
      \S::delete_cache();
      \S::htacces();
      return true;
    }
    return false;
  }

  public static function max_order()
  {
    global $mdb;
    return $mdb -> max( 'pp_pages', 'o' );
  }

  public static function page_save(
    $page_id, $title, $seo_link, $meta_title, $meta_description, $meta_keywords, $menu_id, $parent_id, $page_type, $sort_type, $layout_id, $articles_limit, $show_title, $status, $link, $noindex, $start,
    $site_title, $block_direct_access, $cache, $canonical
  )
  {
    global $mdb;

    if ( !$parent_id )
      $parent_id = null;

    if ( !$page_id )
    {
      $order = self::max_order() + 1;

      $mdb -> insert( 'pp_pages', [
              'menu_id' => (int) $menu_id,
              'page_type' => $page_type,
              'sort_type' => $sort_type,
              'articles_limit' => $articles_limit,
              'show_title' => $show_title == 'on' ? 1 : 0,
              'status' => $status == 'on' ? 1 : 0,
              'o' => (int) $order,
              'parent_id' => $parent_id,
              'start' => $start == 'on' ? 1 : 0,
              'cache' => $cache == 'on' ? 1 : 0
            ] );

      $id = $mdb -> id();

      if ( $id )
      {
        if ( $start )
          $mdb -> update( 'pp_pages', [ 'start' => 0 ], [ 'id[!]' => (int)$id ] );

        if ( $layout_id )
          $mdb -> insert( 'pp_layouts_pages', [ 'page_id' => (int) $id, 'layout_id' => (int)$layout_id ] );

        $i = 0;

        $results = $mdb -> select( 'pp_langs', [ 'id' ], [ 'status' => 1, 'ORDER' => [ 'o' => 'ASC' ] ] );
        if ( is_array( $results ) and count( $results ) > 1 ) foreach ( $results as $row )
        {
          $mdb -> insert( 'pp_pages_langs', [
                  'page_id' => (int) $id,
                  'lang_id' => $row['id'],
                  'title' => $title[$i] != '' ? $title[$i] : null,
                  'meta_description' => $meta_description[$i] != '' ? $meta_description[$i] : null,
                  'meta_keywords' => $meta_keywords[$i] != '' ? $meta_keywords[$i] : null,
                  'meta_title' => $meta_title[$i] != '' ? $meta_title[$i] : null,
                  'seo_link' => \S::seo( $seo_link[$i] ) != '' ? \S::seo( $seo_link[$i] ) : null,
                  'noindex' => $noindex[$i],
                  'site_title' => $site_title[$i] != '' ? $site_title[$i] : null,
                  'link' => $link[$i] != '' ? $link[$i] : null,
                  'block_direct_access' => $block_direct_access[$i],
                  'canonical' => $canonical[$i] != '' ? $canonical[$i] : null
                ] );
          $i++;
        }
        else if ( is_array( $results ) and count( $results ) == 1 )
        {
          foreach ( $results as $row )
          {
            $mdb -> insert( 'pp_pages_langs', [
                    'page_id'             => (int) $id,
                    'lang_id'             => $row['id'],
                    'title'               => $title != '' ? $title : null,
                    'meta_description'    => $meta_description != '' ? $meta_description : null,
                    'meta_keywords'       => $meta_keywords != '' ? $meta_keywords : null,
                    'meta_title'          => $meta_title != '' ? $meta_title : null,
                    'seo_link'            => \S::seo( $seo_link ) != '' ? \S::seo( $seo_link ) : null,
                    'noindex'             => $noindex,
                    'site_title'          => $site_title != '' ? $site_title : null,
                    'link'                => $link != '' ? $link : null,
                    'block_direct_access' => $block_direct_access,
                    'canonical'           => $canonical != '' ? $canonical : null
                  ] );
          }
        }

        \S::htacces();
        \S::delete_cache();

        return $id;
      }
    }
    else
    {
      $mdb -> update( 'pp_pages',
              [
              'menu_id'        => (int) $menu_id,
              'page_type'      => $page_type,
              'sort_type'      => $sort_type,
              'articles_limit' => $articles_limit,
              'show_title'     => $show_title == 'on' ? 1 : 0,
              'status'         => $status == 'on' ? 1 : 0,
              'parent_id'      => $parent_id,
              'start'          => $start == 'on' ? 1 : 0,
              'cache'          => $cache == 'on' ? 1 : 0
              ], [
              'id' => (int) $page_id
      ] );

      if ( $layout_id )
      {
        $mdb -> delete( 'pp_layouts_pages', [ 'page_id' => (int) $page_id ] );
        $mdb -> insert( 'pp_layouts_pages',
                [ 'layout_id' => (int) $layout_id, 'page_id' => (int) $page_id ] );
      }

      if ( $start )
        $mdb -> update( 'pp_pages', [ 'start' => 0 ],
                [ 'id[!]' => (int) $page_id ] );

      $i = 0;

      $mdb -> delete( 'pp_pages_langs', [ 'page_id' => (int) $page_id ] );

      $results = $mdb -> select( 'pp_langs', [ 'id' ],
              [ 'status' => 1, 'ORDER' => [ 'o' => 'ASC' ] ] );
      if ( is_array( $results ) and count( $results ) > 1 )
        foreach ( $results as $row )
        {
          $mdb -> insert( 'pp_pages_langs',
                  [
                  'page_id'             => (int) $page_id,
                  'lang_id'             => $row['id'],
                  'title'               => $title[$i] != '' ? $title[$i] : null,
                  'meta_description'    => $meta_description[$i] != '' ? $meta_description[$i] : null,
                  'meta_keywords'       => $meta_keywords[$i] != '' ? $meta_keywords[$i] : null,
                  'meta_title'          => $meta_title[$i] != '' ? $meta_title[$i] : null,
                  'seo_link'            => \S::seo( $seo_link[$i] ) != '' ? \S::seo( $seo_link[$i] ) : null,
                  'noindex'             => $noindex[$i],
                  'site_title'          => $site_title[$i] != '' ? $site_title[$i] : null,
                  'link'                => $link[$i] != '' ? $link[$i] : null,
                  'block_direct_access' => $block_direct_access[$i],
                  'canonical'           => $canonical[$i] != '' ? $canonical[$i] : null
          ] );

          $i++;
        }
      else if ( is_array( $results ) and count( $results ) == 1 )
        foreach ( $results as $row )
        {
          $mdb -> insert( 'pp_pages_langs',
                  [
                  'page_id'             => (int) $page_id,
                  'lang_id'             => $row['id'],
                  'title'               => $title != '' ? $title : null,
                  'meta_description'    => $meta_description != '' ? $meta_description : null,
                  'meta_keywords'       => $meta_keywords != '' ? $meta_keywords : null,
                  'meta_title'          => $meta_title != '' ? $meta_title : null,
                  'seo_link'            => \S::seo( $seo_link ) != '' ? \S::seo( $seo_link ) : null,
                  'noindex'             => $noindex,
                  'site_title'          => $site_title != '' ? $site_title : null,
                  'link'                => $link != '' ? $link : null,
                  'block_direct_access' => $block_direct_access,
                  'canonical'           => $canonical != '' ? $canonical : null
          ] );
        }

      self::update_supages_menu_id( $page_id, $menu_id );

      \S::htacces();
      \S::delete_cache();

      return $page_id;
    }
    return false;
  }

  public static function update_supages_menu_id( $parent_id, $menu_id )
  {
    global $mdb;

    $mdb -> update( 'pp_pages', [ 'menu_id' => (int) $menu_id ],
            [ 'parent_id' => $parent_id ] );

    $results = $mdb -> select( 'pp_pages', [ 'id' ], [ 'parent_id' => $parent_id ] );
    if ( is_array( $results ) )
      foreach ( $results as $row )
        self::update_supages_menu_id( $row['id'], $menu_id );
  }

  public static function generate_seo_link( $title, $page_id, $article_id,
          $lang, $pid )
  {
    global $mdb;

    $seo_link = \S::seo( $title );


    while ( !$seo_link_check )
    {
      if ( $mdb -> count( 'pp_pages_langs',
                      [ 'AND' => [ 'seo_link' => $seo_link, 'page_id[!]' => (int) $page_id ] ] ) )
        $seo_link       = $seo_link . '-' . ( ++$i );
      else
        $seo_link_check = true;
    }

    $seo_link_check = false;

    while ( !$seo_link_check )
    {
      if ( $mdb -> count( 'pp_articles_langs',
                      [ 'AND' => [ 'seo_link' => $seo_link, 'article_id[!]' => (int) $article_id ] ] ) )
        $seo_link       = $seo_link . '-' . ( ++$i );
      else
        $seo_link_check = true;
    }
    return $seo_link;
  }

  public static function google_url_preview( $page_id, $title, $lang, $pid, $id, $seo_link, $language_link = '' )
  {
    global $mdb;

    $prefix   = $language_link;
    $status   = true;
    $id_page  = $page_id;

    do
    {
      if ( $page_id )
      {
        $parent    = \admin\factory\Pages::page_details( $page_id );
        $parent_id = $parent['parent_id'];
      }
      else
        $parent_id = $pid;

      if ( $parent_id )
      {
        $results = $mdb -> query( "SELECT title, seo_link, page_id FROM pp_pages_langs AS ppl, pp_langs AS pl WHERE lang_id = pl.id AND page_id = " . (int) $parent_id . " AND ppl.lang_id = '" . $lang . "' " ) -> fetchAll();
        if ( $results[0]['seo_link'] )
          $seo = $results[0]['seo_link'] . '/' . $seo;
        else
          $seo = 's-' . $results[0]['page_id'] . '-' . \S::seo( $results[0]['title'] ) . '/' . $seo;
        $page_id = $results[0]['page_id'];
      }
      else
        $status = false;
    }
    while ( $status );

    if ( $id )
    {
      if ( !$seo_link )
        $seo = $seo . 's-' . $id . '-' . \S::seo( $title );
      else
        $seo = $seo . $seo_link;
    }
    else
    {
      if ( !$seo_link )
        $seo = $seo . 's-' . $id_page . '-' . \S::seo( $title );
      else
        $seo = $seo . $seo_link;
    }

    if ( $prefix )
      $seo = $prefix . $seo;

    return $seo;
  }

  public static function menu_delete( $menu_id )
  {
    global $mdb;

    if ( $mdb -> count( 'pp_pages', [ 'menu_id' => (int) $menu_id ] ) )
      return false;

    return $mdb -> delete( 'pp_menus', [ 'id' => (int) $menu_id ] );
  }

  public static function menu_details( $menu_id )
  {
    global $mdb;
    return $mdb -> get( 'pp_menus', '*', [ 'id' => (int) $menu_id ] );
  }

  public static function menu_save( $menu_id, $name, $status )
  {
    global $mdb;

    $status == 'on' ? $status = 1 : $status = 0;

    if ( !$menu_id )
    {
      return $mdb -> insert( 'pp_menus',
                      [
                      'name'   => $name,
                      'status' => $status
      ] );
    }
    else
    {
      $mdb -> update( 'pp_menus',
              [
              'name'   => $name,
              'status' => $status
              ], [
              'id' => (int) $menu_id
      ] );

      return true;
    }
    return false;
  }

  public static function menu_lists()
  {
    global $mdb;
    return $mdb -> select( 'pp_menus', '*', [ 'ORDER' => [ 'id' => 'ASC' ] ] );
  }

  public static function page_details( $page_id )
  {
    global $mdb;

    $page = $mdb -> get( 'pp_pages', '*', [ 'id' => (int) $page_id ] );

    $results                            = $mdb -> select( 'pp_pages_langs', '*',
            [ 'page_id' => (int) $page_id ] );
    if ( is_array( $results ) )
      foreach ( $results as $row )
        $page['languages'][$row['lang_id']] = $row;

    $page['layout_id'] = $mdb -> get( 'pp_layouts_pages', 'layout_id',
            [ 'page_id' => (int) $page_id ] );

    return $page;
  }

  public static function page_url( $page_id )
  {
    global $mdb;

    $results = $mdb -> query( "SELECT seo_link, title lang_id FROM pp_pages_langs AS ppl, pp_langs AS pl WHERE lang_id = pl.id AND page_id = " . (int) $page_id . " AND seo_link != '' ORDER BY o ASC LIMIT 1" ) -> fetchAll();

    if ( !$results[0]['seo_link'] )
    {
      $title = self::page_title( $article_id );
      return 's-' . $page_id . '-' . \S::seo( $title );
    }
    else
      return $results[0]['seo_link'];
  }

  public static function page_title( $page_id )
  {
    global $mdb;

    $result = $mdb -> select( 'pp_pages_langs',
            [ '[><]pp_langs' => [ 'lang_id' => 'id' ] ], 'title',
            [ 'AND' => [ 'page_id' => (int) $page_id, 'title[!]' => '' ], 'ORDER' => [ 'o' => 'ASC' ], 'LIMIT' => 1 ] );
    return $result[0];
  }

  public static function page_languages( $page_id )
  {
    global $mdb;
    return $mdb -> select( 'pp_pages_langs', '*',
                    [ 'AND' => [ 'page_id' => (int) $page_id, 'title[!]' => null ] ] );
  }

  public static function menu_pages( $menu_id, $parent_id = null )
  {
    global $mdb;

    $results = $mdb -> select( 'pp_pages',
            [ 'id', 'menu_id', 'status', 'parent_id', 'start' ],
            [ 'AND' => [ 'menu_id' => $menu_id, 'parent_id' => $parent_id ], 'ORDER' => [ 'o' => 'ASC' ] ] );
    if ( is_array( $results ) )
      foreach ( $results as $row )
      {
        $row['title']     = self::page_title( $row['id'] );
        $row['languages'] = self::page_languages( $row['id'] );
        $row['subpages']  = self::menu_pages( $menu_id, $row['id'] );

        $pages[] = $row;
      }

    return $pages;
  }

}

?>