/* annasta Woocommerce Product Filters */

var a_w_f = typeof( a_w_f ) === 'undefined' ? {} : a_w_f;
var awf_pretty_scrollbars = [];

jQuery( document ).ready( function( $ ){
  'use strict';
  
  a_w_f.update_query = function ( $filter, $container, build_badges ) {
    var taxonomy = $filter.attr( 'data-taxonomy' );
    var values = [];
    var i = -1;
    
    if( taxonomy in awf_data.query ) {
      if( $filter.is( ':checkbox' ) ) {
        values = awf_data.query[taxonomy].split( ',' );
        i = values.indexOf( $filter.val() );
      }
    }
    
    if( $container.hasClass( 'awf-active' ) ) {
      if( $filter.hasClass( 'awf-default' ) ) {
        values = [];
        
      } else {
        if( i === -1 ) {
          values.push( $filter.val() );
        }
      }
      
    } else {
      if( values.length > 0 ) {
        if( i > -1 ) { values.splice( i, 1 ); }
      }
    }
    
    if( values.length > 0 ) {
      awf_data.query[taxonomy] = values.join( ',' );
      
      if( $container.hasClass( 'awf-range-filter-container' ) ) {
        awf_data.query[$filter.attr( 'data-max-name' )] = $filter.attr( 'data-next-value' );
      }
      
      if( 'product_cat' === taxonomy ) {
        if( ! ( 'orderby' in awf_data.query ) && ! ( 's' in awf_data.query ) ) {
          delete awf_data.query['post_type'];
        }
        
      } else if( 's' === taxonomy && ( 'shop_on_frontpage' in awf_data ) ) {
        awf_data.query['post_type'] = 'product';
      }

    } else {
      delete awf_data.query[taxonomy];
      
      if( $container.hasClass( 'awf-range-filter-container' ) ) {
        delete awf_data.query[$filter.attr( 'data-max-name' )];
      }
      
      if( 's' === taxonomy && ! ( 'orderby' in awf_data.query ) ) {
        delete awf_data.query['post_type'];
      }
    }
    
    if( 'sc_page' in awf_data ) { delete awf_data.query['product-page']; }
    
    if( build_badges ) { a_w_f.build_active_badges(); }
  };
    
  a_w_f.build_active_badges = function () {
    $( '.awf-active-badge' ).remove();
    
    $.each( awf_data.query, function( key, values ) {
      var $containers = $( '.awf-filters-container.awf-filters-' + key );
      if( 0 === $containers.length ) { return true; }
      
      var $filter_containers = $containers.find( '.awf-filter-container.awf-active' );
      if( 0 === $filter_containers.length ) { return true; }
      
      if( $containers.hasClass( 'awf-style-range-slider' ) ) {
        
        if( $containers.hasClass( 'awf-taxonomy-range-container' ) ) {
          var $filter = $( $filter_containers[0] ).find( '.awf-filter' ).first();
          
          if( 0 === $( '.awf-active-badge-' + $filter.attr( 'data-taxonomy' ) ).length ) {
            awf_create_active_badge( $( $filter_containers[0] ).find( '.awf-filter' ).first(), $( $filter_containers[0] ) );
          }
          
        } else {
          $filter_containers = $filter_containers.filter( '.awf-range-slider-container' );
          var $filter = $( $filter_containers[0] ).find( '.awf-filter' ).first();
          
          if( 0 === $( '.awf-active-badge-' + $filter.attr( 'data-module' ) ).length ) {
            awf_create_active_badge( $( $filter_containers[0] ).find( '.awf-filter[name=' + key + ']' ).first(), $( $filter_containers[0] ) );
          }        
        }

      } else if( $( $filter_containers[0] ).hasClass( 'awf-range-filter-container' ) ) {
        var $filter = $( $filter_containers[0] ).find( '.awf-filter' ).first();
        if( 0 === $( '.awf-active-badge-' + $filter.attr( 'data-module' ) ).length ) {
          awf_create_active_badge( $filter, $( $filter_containers[0] ) );
        }
        
      } else {
        if( $filter_containers.hasClass( 'awf-product-search-container' ) ) {
          awf_create_active_badge( $( $filter_containers[0] ).find( '.awf-filter' ).first(), $( $filter_containers[0] ) );
          
        } else {
          var slugs = values.split( ',' );
          $.each( slugs, function( i, slug ) {
            var $slug_container = $filter_containers.filter( '.awf-' + key + '-' + slug + '-container' ).first();
            if( 0 < $slug_container.length ) {
              awf_create_active_badge( $slug_container.find( '.awf-filter' ).first(), $slug_container );
            }
          });
        }
      }
    });
    
    if( 0 < $( '.awf-reset-btn-container' ).first().length ) {
      if( 0 < $( '.awf-reset-btn-container' ).first().siblings( '.awf-active-badges-container' ).find( '.awf-active-badge' ).length ) {
        $( '.awf-reset-btn-container' ).show();
        
      } else {
        $( '.awf-reset-btn-container' ).hide();
      }
    }
  };
    
  a_w_f.apply_filter = function ( $filter, $preset_wrapper ) {
    awf_update_url();
    
    if( $preset_wrapper.hasClass( 'awf-url' ) ) {
      if( true === $filter ) {
        window.location.reload();
      }
      
    } else if( $preset_wrapper.hasClass( 'awf-ajax' ) ) {
      if( '1' === awf_data.redirect_ajax ) { window.location.reload(); }
      awf_ajax_filter( $filter );
    }
  };
  
  a_w_f.reset_all_filters = function ( excluded_taxonomies ) {
    excluded_taxonomies.push( 'ppp' );
    
    $.each( awf_data.query, function( taxonomy, value ) {
      
      if( $.inArray( taxonomy, excluded_taxonomies) !== -1 ) { return; }
      
      var $wrappers = $( '.awf-filters-' + taxonomy );

      if( 0 < $wrappers.length ) {
        var values;

        if( 's' === taxonomy ) { values = [value]; }
        else { values = value.split( ',' ); }

        $.each( values, function( i, v ) {

          if( $wrappers.hasClass( 'awf-style-range-slider' ) ) {
            var $wrapper = $wrappers.filter( '.awf-style-range-slider' ).first();
            if( taxonomy in awf_data.query ) {
              awf_reset_filter_value( $wrapper.find( '.awf-filter' ).first(), $wrapper.find( '.awf-filter-container' ).first() );
            }

          } else if( $( $wrappers[0] ).hasClass( 'awf-filters-s' ) ) {
            awf_reset_filter_value( $( $wrappers[0] ).find( '.awf-filter' ).first(), $( $wrappers[0] ).find( '.awf-filter-container' ).first() );

          } else {
            var name = '.awf-' + taxonomy + '-' + v.replace(/[.,]/g,'-') + '-container';
            var $container = $( $wrappers ).find( name ).first();
            var $filter = $container.find( '.awf-filter' ).first();
            
            if( 0 === $filter.length ) { return true; }
            
            if( $filter[0].hasAttribute( 'data-max-name' ) && ( $filter.attr( 'data-max-name' ) in awf_data.query ) ) {
              var $range_filter = $wrappers.find( name + " .awf-filter[data-next-value='" + awf_data.query[$filter.attr( 'data-max-name' )] + "']" ).first();
              if( 0 !== $range_filter.length ) { awf_reset_filter_value( $range_filter, $range_filter.closest( name ) ); }
              
            } else {
              awf_reset_filter_value( $filter, $container );
            }
            
          }

        });
      }
    });
  };
  
  a_w_f.build_url = function( query ) {
    var url;
    
    if( 'cat_url' in awf_data && 'product_cat' in query ) {
      url = awf_data.cat_url.replace( '/awf-insert-product-cats/', '/' +  query['product_cat'] + '/' )
      
      delete query['product_cat'];
      
      if( ! $.isEmptyObject( query ) ) { url += '?' + decodeURIComponent( $.param( query ) ); }
      
    } else {
      url = awf_data.shop_url;
      if( ! $.isEmptyObject( query ) ) { url += '?' + decodeURIComponent( $.param( query ) ); }
    }
    
    return url;
  };
  
  window.onpopstate = function( event ) {
    if( 'awf_call' in event.state ) { window.location.reload(); }
  };
  
  if( 'undefined' !== typeof $.blockUI ) {
    $.blockUI.defaults.overlayCSS = { backgroundColor: '#fff', opacity: 0.5 };
    $.blockUI.defaults.css = { border: 'none' };
  }
  
  if( 'undefined' !== typeof PerfectScrollbar ) {
    $( '.awf-pretty-scrollbars' ).each( function( i, container ) {
      awf_pretty_scrollbars.push( new PerfectScrollbar( container, { suppressScrollX: true } ) );
    });
  }
  
  $( '.awf-filter' ).each( function( i, filter ) {
    awf_set_filter_events( $( filter ) );
  });
  
  $( '.awf-url label' ).on( 'click', function() {
    $( this ).siblings( 'input' ).prop( 'checked', true );
  });
  
  $( '.awf-apply-filter-btn' ).on( 'click', function() {
    a_w_f.apply_filter( true, $( this ).closest( '.awf-preset-wrapper' ) );
  });
  
  $( '.awf-collapsible-children .awf-filter-container' ).on( 'click', function() {
    $( this ).toggleClass( 'awf-collapsed-on' );
    $( this ).next( '.awf-children-container' ).toggleClass( 'awf-collapsed' );
    
    var $a_filter = $( this ).find( '.awf-filter' ).first();
    if( $a_filter.length > 0 ) {
      $.each( awf_pretty_scrollbars, function( i, ps ) {
        if( $( ps.element ).hasClass( 'awf-filters-' + $a_filter.attr( 'data-taxonomy' ) ) ) { ps.update(); }
      });
    }
  });
  
  $( '.awf-filters-search' ).on( 'change', function() {
    if ( 0 === $( this ).val().length ) {
      $( this ).closest( '.awf-filters-container' ).find( '.awf-filter-container' ).not( '.awf-hidden' ).show();
    }
  });
  
  $( '.awf-filters-search' ).on( 'keyup', function() {
    
    var filter_containers = $( this ).closest( '.awf-filters-container' ).find( '.awf-filter-container' ).not( '.awf-hidden' ),
        search = $( this ).val().toLowerCase();
    
    if ( '' === search ) {
      $( filter_containers ).show();
      
    } else {
      for ( var i = filter_containers.length; i--; ) {
        var row = $( filter_containers[i] );
        if( row.find( ' > label' ).text().toLowerCase().indexOf( search ) > -1 || row.find( ' > a > label' ).text().toLowerCase().indexOf( search ) > -1 ) { row.show(); }
        else { row.hide(); }
      }
    }
  });
  
  $( '.awf-range-slider-container' ).each( function( i, el ) {
    if( i === 0 ) { $( el ).addClass( 'awf-active' );  }
    awf_build_range_slider( el );
  });
  
  awf_register_reset_btns();
  a_w_f.build_active_badges();
  awf_update_orderby();
    
  function awf_set_filter_events( $filter ) {
    
    var $preset_wrapper = $filter.closest( '.awf-preset-wrapper' );
    var $filter_container = $filter.closest( '.awf-filter-container' );
    
    if( 'premium' in a_w_f ) { a_w_f.set_premium_filter_events( $filter_container, $filter ); }
    
    if( $preset_wrapper.hasClass( 'awf-url' ) && ( $filter.is(':checkbox') || $filter.is(':radio') ) ) {
      $filter.on( 'click', function() {
        window.location.href = $( this ).closest( 'a' ).attr( 'href' );
      });
    }
    
    if( $filter_container.hasClass( 'awf-active' ) && $filter_container.closest( 'ul.awf-children-container' ).first().hasClass( 'awf-collapsed' )
    ) {
      $filter_container.parents( 'ul.awf-children-container' ).removeClass( 'awf-collapsed' ).siblings( 'li.awf-parent-container' ).removeClass( 'awf-collapsed-on' );
    }
      
    if( $filter_container.hasClass( 'awf-product-search-container' ) ) {

      $filter.on( 'change', function() {
        awf_product_search_onchange( $filter );
        a_w_f.apply_filter( true, $preset_wrapper );
      });

      $filter.on( 'keydown', function( event ) {
        if( event.keyCode === 13 ) {
          awf_product_search_onchange( $filter );
          a_w_f.apply_filter( true, $preset_wrapper );
          $filter.trigger( 'blur' );
          return false;
        }
      });

    } else {
      $filter.siblings('label').on( 'touchstart', function() { $filter_container.addClass( 'awf-hover-off' ); });
      
      $filter.on( 'click', function() {
        awf_filter_onclick( $filter );
      });
      
      if( ! $preset_wrapper.hasClass( 'awf-button' ) ) {
        $filter.on( 'click', function() { a_w_f.apply_filter( $filter, $preset_wrapper ); });
      }
    }
  }
  
  function awf_register_reset_btns() {
    $( '.awf-preset-wrapper' ).each( function( i, preset_wrapper ) {
      $( preset_wrapper ).find( '.awf-reset-btn' ).on( 'click', function() {
        a_w_f.reset_all_filters( [] );
        a_w_f.apply_filter( true, $( preset_wrapper ) );
      });
    });
  }
  
  function awf_filter_onclick( filter ) {
    var $filter = $( filter );
    var $container = $filter.closest( '.awf-filter-container' );
    var taxonomy = $filter.attr( 'data-taxonomy' );
    
    if( $container.hasClass( 'awf-active' ) ) {
      if( $filter.is( ':radio' ) ) {
        
        if( $container.hasClass( 'awf-range-filter-container' ) ) {
          var $slider_container = $( '.awf-style-range-slider.awf-filters-' + taxonomy + ' .awf-filter-container' ).first();
          if( $slider_container.length > 0 ) {
            awf_reset_filter_value( $filter, $slider_container );
            return;
          }
        }
        
        $( '.awf-single .awf-filters-' + taxonomy + ' .awf-filter-container.awf-active, .awf-range .awf-filters-' + taxonomy + ' .awf-range-filter-container.awf-active' ).removeClass( 'awf-active' ).find( 'input' ).prop( 'checked', false );
        $( '.awf-multi .awf-' + taxonomy + '-' + $filter.val().replace(/[.,]/g,'-') + '-container' ).removeClass( 'awf-active' ).find( 'input' ).prop( 'checked', false );
        
        var $default = $( '.awf-filters-' + taxonomy + ' .awf-default' );
        if( 0 < $default.length ) {
          $filter = $default;
          $container = $filter.closest( '.awf-filter-container' );
          $default.prop( 'checked', true ).closest( '.awf-filter-container' ).addClass( 'awf-active' );
        }

      } else {
        $( '.awf-' + taxonomy + '-' + $filter.val() + '-container' ).removeClass( 'awf-active' ).find( 'input' ).prop( 'checked', false );
      }
      
    } else {
      if( $filter.is( ':radio' ) ) {
        
        if( $container.hasClass( 'awf-range-filter-container' ) ) {
          var $range_slider = $( '.awf-style-range-slider.awf-filters-' + taxonomy + ' .awf-filter-container' ).first();
          if( $range_slider.length > 0 ) {
            var min = parseFloat( $filter.val() );
            var max = parseFloat( $filter.attr( 'data-next-value' ) );
            $range_slider[0].noUiSlider.set( [min, max] );
            awf_range_slider_onchange( $range_slider[0], [min, max], $range_slider[0].noUiSlider.options.range.min[0], $range_slider[0].noUiSlider.options.range.max[0] );
            
            return;
          }
        }
        
        $( '.awf-filters-' + taxonomy + ' .awf-filter-container.awf-active' ).removeClass( 'awf-active' ).find( 'input' ).prop( 'checked', false );
        $( '.awf-' + taxonomy + '-' + $filter.val().replace( /[.,]/g, '-' ) + '-container' ).addClass( 'awf-active' ).find( 'input' ).prop( 'checked', true );
        
      } else {
        $( '.awf-single .awf-filters-' + taxonomy + ' .awf-filter-container.awf-active' ).removeClass( 'awf-active' );
        $( '.awf-' + taxonomy + '-' + $filter.val() + '-container' ).addClass( 'awf-active' ).find( 'input' ).prop( 'checked', true );
        $( '.awf-multi .awf-' + taxonomy + '-' + $filter.val() + '-container' ).addClass( 'awf-active' ).find( 'input' ).each( function() {
          awf_uncheck_parents_and_children( this );
        });
      }
    }
    
    a_w_f.update_query( $filter, $container, true );
  }
  
  function awf_uncheck_parents_and_children( checkbox ) {
    $( checkbox ).parents( 'ul' ).prev( 'li.awf-filter-container.awf-active' ).each( function( i, container ) {//$( checkbox )
      $( container ).removeClass( 'awf-active' );
      $( container ).find( '.awf-filter' ).each( function ( ii, filter ) {
        $( filter ).prop( 'checked', false );
        a_w_f.update_query( $( filter ), $( container ), false );
      });
    });
    
    $( checkbox ).parents( 'li.awf-filter-container' ).next( 'ul' ).find( '.awf-filter-container.awf-active' ).each( function( i, container ) {
      $( container ).removeClass( 'awf-active' );
      $( container ).find( '.awf-filter' ).each( function ( ii, filter ) {
        $( filter ).prop( 'checked', false );
        a_w_f.update_query( $( filter ), $( container ), false );
      });
    });
  }
  
  function awf_product_search_onchange( $searchbox ) {
    $( '.awf-product-search-container .awf-filter' ).each( function( i, el ) {
      
      var $container = $( el ).closest( '.awf-filter-container' );

      if( 0 === $( $searchbox ).val().length ) { $container.removeClass( 'awf-active' ); }
      else { $container.addClass( 'awf-active' ); }
      
      if( el === $searchbox[0] ) { a_w_f.update_query( $searchbox, $container, true ); } 
      else { $( el ).val( $( $searchbox ).val() ); }
      
    });
  }
  
  function awf_range_slider_onchange( range_container, values, min, max ) {
    values[0] = parseFloat( values[0] );
    values[1] = parseFloat( values[1] );
    
    var module_container = '.awf-filters-' + $( range_container ).find( '.awf-filter').first().attr( 'name' );
    
    $( module_container + ' .awf-range-slider-container' ).each( function( i, filter_container ) {
      
      var $min_filter = $( filter_container ).find( '.awf-range-slider-min' );
      var $max_filter = $( filter_container ).find( '.awf-range-slider-max' );
      
      $min_filter.val( values[0] );
      $max_filter.val( values[1] );
      
      if( filter_container === range_container ) {
        if( values[0] === min ) { $min_filter.addClass( 'awf-default' ); } else { $min_filter.removeClass( 'awf-default' ); }
        if( values[1] === max ) { $max_filter.addClass( 'awf-default' ); } else { $max_filter.removeClass( 'awf-default' ); }
        
        $( filter_container ).addClass( 'awf-active' );
        
        a_w_f.update_query( $min_filter, $( range_container ), false );
        a_w_f.update_query( $max_filter, $( range_container ), true );
        
        $( '.awf-filters-' + $min_filter.attr( 'data-taxonomy' ) + ' .awf-range-filter-container.awf-active' ).removeClass( 'awf-active' ).find( 'input.awf-filter' ).prop( 'checked', false );
        $( '.awf-range-filter-container input[value="' + values[0] + '"][data-next-value="' + values[1] + '"]' ).prop( 'checked', true ).closest( '.awf-filter-container' ).addClass( 'awf-active' );
        
      } else {
        filter_container.noUiSlider.set( [values[0], values[1]] );
        $min_filter.removeClass( 'awf-default' );
        $max_filter.removeClass( 'awf-default' );
        $( filter_container ).removeClass( 'awf-active' );
      }
    });
  }
    
  function awf_create_active_badge( $filter, $container ) {
    
    if( $filter.hasClass( 'awf-default' ) ) { return; }
    if( $filter.hasClass( 'awf-no-active-badge' ) ) { return; }
    
    var label;
    var classes = ['awf-active-badge'];
    
    if( $filter.hasClass( 'awf-range-slider-value' ) ) {
      classes.push( 'awf-active-badge-' + $filter.attr( 'data-module' ) );
      
      var values = $container[0].noUiSlider.get();
      
      if( parseFloat( values[0] ) === parseFloat( $container.attr( 'data-min' ) ) && parseFloat( values[1] ) === parseFloat( $container.attr( 'data-max' ) ) ) { return; }
      
      label = $container.attr( 'data-label' ) + ' ' + $container.attr( 'data-prefix' ) + values[0] + $container.attr( 'data-postfix' ) + ' - ' + $container.attr( 'data-prefix' ) + values[1] + $container.attr( 'data-postfix' );
      
    } else if( $filter.hasClass( 'awf-taxonomy-range-value' ) ) {
      if( 'premium' in a_w_f ) { label = a_w_f.create_taxonomy_range_badge( $container ); }
      
    } else if( $container.hasClass( 'awf-range-filter-container' ) ) {
      classes.push( 'awf-active-badge-' + $filter.attr( 'data-module' ) );
      label = $filter.siblings( 'label' ).attr( 'title' );
      
    } else if( $container.hasClass( 'awf-product-search-container' ) ) {
      label = $filter.siblings( 'label' ).text() + ' ' + $filter.val();
      
    } else {
      label = $filter.siblings( 'label' ).attr( 'title' );
    }
    
    var badge = $( '<div>', {
      class: classes.join( ' ' )
    })
      .append( 
        $( '<i class="fas fa-times"></i>' ).on( 'click', function() {
          awf_reset_filter_value( $filter, $container );
          a_w_f.apply_filter( true, $filter.closest( '.awf-preset-wrapper' ) );
        }),
        
        '<span>' + label + '</span>'
      );
    
    $( badge ).clone( true ).appendTo( $( '.awf-preset-wrapper > .awf-active-badges-container' ) );
    $( badge ).appendTo( $( '.awf-filters-' + $filter.attr( 'data-taxonomy' ) ).siblings( '.awf-active-badges-container' ) );
  }
  
  function awf_reset_filter_value( $filter, $container ) {
    
    if( $container.hasClass( 'awf-product-search-container' ) ) {
      $filter.val('');
      awf_product_search_onchange( $filter );
      
    } else if( $container.hasClass( 'awf-range-slider-container' ) ) {
      
      var range_slider = $container[0];
      var min = parseFloat( range_slider.noUiSlider.options.range.min[0] );
      var max = parseFloat( range_slider.noUiSlider.options.range.max[0] );
      range_slider.noUiSlider.set( [min, max] );
      awf_range_slider_onchange( range_slider, [min, max], min, max );
      
    } else if( $filter.hasClass( 'awf-taxonomy-range-value' ) ) {
      if( 'premium' in a_w_f ) { a_w_f.reset_taxonomy_range( $container ); }

    } else {
      awf_filter_onclick( $filter );
    }
  }
    
  function awf_update_url() {
    var url = a_w_f.build_url( $.extend( true, {}, awf_data.query ) );
    window.history.pushState( {awf_call: true}, '', url );
  }
  
  function awf_ajax_filter( $filter ) {
    var taxonomy = $filter instanceof jQuery ? $filter.attr( 'data-taxonomy' ) : '';
    
    var ajax_data = {
      action: 'awf', 
      awf_front: 1, 
      awf_action: 'filter',
      awf_query: awf_data.query, 
    };
    
    if( 'sc_page' in awf_data ) {
      ajax_data.awf_sc_page = awf_data.sc_page;      
      
      $( '.woocommerce.awf-sc' ).each( function( i, el ) {
        var sc_data = $.extend( true, {}, ajax_data );
        sc_data.awf_sc = {};
        
        $( el ).find( '.awf-sc-var' ).each( function( ii, input ) {
          sc_data.awf_sc[$( input ).attr( 'name' )] = $( input ).val();
        } );
        
        awf_update_products( sc_data, $( el ) );
      });
      
      awf_update_counts( taxonomy );
      
    } else {
      awf_update_products( ajax_data, false );
      
      awf_update_titles();
      awf_update_counts( taxonomy );
    }
  }
  
  function awf_update_products( ajax_data, $container ) {
    var $spinner_container = ( false === $container ) ? $( awf_data.products_wrapper ) : $container;
    $spinner_container.block({ message: '' });
    
    $.ajax({
      type:       'get',
      url:        awf_data.ajax_url,
      dataType:   'html',
      data:       ajax_data,
      success:  function( response ) {
        if( response ) { 
          if( false === $container ) {
            $( awf_data.products_wrapper ).html( response );
            if( 'cat_url' in awf_data ) { $( 'form.woocommerce-ordering input[name="product_cat"]' ).remove(); }
            
          } else {
            $container.replaceWith( response );
          }
          
          awf_update_orderby();
          
          $( awf_data.products_wrapper + ' .woocommerce-ordering select.orderby' ).on( 'change', function() { $( this ).closest( 'form' ).submit(); });
          
          $( [document.documentElement, document.body] ).animate( { scrollTop: $( awf_data.products_wrapper ).offset().top - 50 }, 500, 'swing' );
        }
      },
      error: function( response ) { console.log( response ); }
    });
  }
  
  function awf_update_counts( excluded_taxonomy ) {
    var callers = [];
    $( '.awf-preset-wrapper' ).each( function( i, el ) {
      callers.push( $( el ).attr( 'id' ) );
    });

    $.ajax({
      type:     "get",
      url:      awf_data.ajax_url,
      dataType: "json",
      data:     { 
        action: 'awf', 
        awf_action: 'update_filters', 
        awf_front: 1, 
        awf_query: awf_data.query,
        awf_exclude_taxonomy: excluded_taxonomy,
        awf_callers: callers,
      },
      success:  function( response ) {
        if( response ) {
          $.each( response.counts, function( taxonomy, slugs ) {
            $.each( slugs, function( slug, count ) {
              var container = '.awf-' + taxonomy + '-' + slug + '-container';
              
              $( container + ' .awf-filter-count' ).text(count);
              
              if( $( container ).hasClass( 'awf-empty' ) && count > 0 ) {
                $( container ).removeClass( 'awf-empty' );

                if( $( container ).hasClass( 'awf-empty-disabled' ) ) { $( container + ' input' ).prop( 'disabled', false ); }
                else if( $( container ).hasClass( 'awf-empty-hidden' ) ) { $( container ).removeClass( 'awf-hidden' ); }

              } else if( ( ! $( container ).hasClass( 'awf-empty' ) ) && ( count === 0 ) ) {
                $( container ).addClass( 'awf-empty' );

                if( $( container ).hasClass( 'awf-empty-disabled' ) ) { $( container + ' input' ).prop( 'disabled', true ); }
                else if( $( container ).hasClass( 'awf-empty-hidden' ) ) { $( container ).addClass( 'awf-hidden' ); }
              }
            });
          });
          
          awf_update_hrefs();
          
          $.each( awf_pretty_scrollbars, function( i, ps ) { ps.update(); });
        }
      },
      error: function( response ) { console.log( response ); }
    });
  }
  
  function awf_update_orderby() {
    if( 0 === $( awf_data.products_wrapper + ' form.woocommerce-ordering input[name="post_type"]' ).length ) {
      if( 'shop_on_frontpage' in awf_data ) {
        $( awf_data.products_wrapper + ' form.woocommerce-ordering' ).append( $( '<input type="hidden" name="post_type" value="product" />' ) );
      }
    } else {
      if( 'sc_page' in awf_data ) {
        $( awf_data.products_wrapper + ' form.woocommerce-ordering input[name="post_type"]' ).remove();
      }
    }
    
    if( ( 'sc_page' in awf_data )
       && ( 0 === $( awf_data.products_wrapper + ' form.woocommerce-ordering input[name="page_id"]' ).length ) 
    ) {
      $( awf_data.products_wrapper + ' form.woocommerce-ordering' ).append( $( '<input type="hidden" name="page_id" value="' + awf_data.sc_page + '" />' ) );
    }
  }
  
  function awf_update_titles() {
          
    var last_bc = $( '.woocommerce-breadcrumb' ).contents().last();
    
    if( 0 === last_bc.length ) { return; }
    last_bc = last_bc[0];
    
    if( last_bc ) {
      var title_pieces = $( document ).attr( 'title' );
      title_pieces = title_pieces.split( ' – ' );
      var shop_title = title_pieces.shift();
      shop_title = shop_title.split( ': ' );
      shop_title = shop_title.shift();
    }

    if( 'product_cat' in awf_data.query ) {
      var cats = [];
      $.each( awf_data.query['product_cat'].split( ',' ), function( i, cat ) {
        cats.push( $( '.awf-product_cat-' + cat + '-container label' ).attr( 'title' ) );
      } );
      cats = cats.join( ', ' );
      
      $( '.woocommerce-breadcrumb .breadcrumb-separator:last-child' ).show();
      $( '.woocommerce-breadcrumb' ).contents().last()[0].textContent = cats;
      shop_title += ': ' + cats;

    } else {
      $( '.woocommerce-breadcrumb .breadcrumb-separator:last-child' ).hide();
      $( '.woocommerce-breadcrumb' ).contents().last()[0].textContent = '';
    }

    title_pieces.unshift( shop_title );
    $( document ).attr( 'title', title_pieces.join( ' - ' ) );
    
  }
  
  function awf_update_hrefs() {
    $( '.awf-url .awf-filter-wrapper' ).each( function( i, wrapper ) {
      
      if( $( wrapper ).hasClass( 'awf-reset-all' ) ) {
        if( 'premium' in a_w_f ) { a_w_f.update_reset_all_hrefs( $( wrapper ) ); }
        
      } else if( $( wrapper ).hasClass( 'awf-single' ) || $( wrapper ).hasClass( 'awf-range' ) ) {
        $( wrapper ).find( '.awf-filter' ).each( function( ii, filter ) {
          
          var query = $.extend( true, {}, awf_data.query );
          var taxonomy = $( filter ).attr( 'data-taxonomy' );
          
          if( ! ( taxonomy in query ) ) { query[taxonomy] = ''; }
          
          if( $( filter ).hasClass( 'awf-default' ) || $( filter ).val() === query[taxonomy] ) {
            delete query[taxonomy];
            if( $( filter ).is( '[data-max-name]' ) ) { delete query[$( filter ).attr( 'data-max-name' )]; }
            
          } else {
            query[taxonomy] = $( filter ).val();
            if( $( filter ).is( '[data-max-name]' ) ) { query[$( filter ).attr( 'data-max-name' )] = $( filter ).attr( 'data-next-value' ); }
          }
          
          $( filter ).closest( 'a' ).attr( 'href', a_w_f.build_url( query ) );
        });
        
      } else if( $( wrapper ).hasClass( 'awf-multi' ) ) {
        
        $( wrapper ).find( '.awf-filter' ).each( function( ii, filter ) {
          
          var query = $.extend( true, {}, awf_data.query );
          var taxonomy = $( filter ).attr( 'data-taxonomy' );
          var values;
          if( taxonomy in query ) {  values = query[taxonomy].split( ',' ); } else { values = []; }
          
          if( $( filter ).is( ':checked' ) ) {
            values = $.grep( values, function( v ) { return v !== $( filter ).val(); } );
            
          } else {
            $( filter ).parents( 'ul' ).prev( 'li.awf-filter-container' ).find( '.awf-filter' ).each( function( i, f ) {
              values = $.grep( values, function( v ) { return v !== $( f ).val(); } );
            });

            $( filter ).parents( 'li.awf-filter-container' ).next( 'ul' ).find( '.awf-filter' ).each( function( i, f ) {
              values = $.grep( values, function( v ) { return v !== $( f ).val(); } );
            });
            
            values.push( $( filter ).val() );
            
          }
          
          if( values.length > 0 ) { query[taxonomy] = values.join( ',' ); }
          else { delete query[taxonomy]; }
          
          $( filter ).closest( 'a' ).attr( 'href', a_w_f.build_url( query ) );
        });
      }
    });
  }
  
  function awf_build_range_slider( range_container ) {
    var range_values = $( range_container ).attr( 'data-values' ).split( '--' );
    $( range_values ).each( function( i, v ) {
      range_values[i] = parseFloat( v );
    });
    
    var min = parseFloat( range_values[0] );
    var max = parseFloat( range_values[range_values.length-1] );
    
    noUiSlider.create( range_container, {
      range: {
        'min': [min],
        'max': [max]
      },
      start: [parseFloat( $( range_container ).find( '.awf-range-slider-min' ).val() ), parseFloat( $( range_container ).find( '.awf-range-slider-max' ).val() )],
      step: parseFloat( $( range_container ).attr( 'data-step' ) ),
      pips: {
        mode: 'values',
        values: range_values,
        density: 5,
      },
      connect: true,
      tooltips: true,
      behaviour: 'drag'
    });
    
    var prefix = $( range_container ).attr( 'data-prefix' );
    var postfix = $( range_container ).attr( 'data-postfix' );
    
    $( range_container ).find( '.noUi-value' ).each( function( i, el ) {
      $( el ).html( prefix + $( el ).html() + postfix );
    });
    
    range_container.noUiSlider.on( 'change', function ( values, handle ) {
      
      if( $( range_container ).hasClass( 'awf-reset-all' ) && typeof a_w_f.range_slider_reset_all === 'function' ) {
        a_w_f.range_slider_reset_all( $( range_container ) );
      }
      
      awf_range_slider_onchange( range_container, values, min, max );
      
      if( ! $( range_container ).hasClass( 'awf-range-btn' ) ) {
        a_w_f.apply_filter( true, $( range_container ).closest( '.awf-preset-wrapper' ) );
      }
      
    });
  }
  
});