jQuery(document).ready(function($) {
	// !Handle displaying autocomplete data for each field
	$( '.vfb-post-tag' ).each( function(){

		var form_id = $( this ).closest( 'form' ).find( 'input[name="form_id"]' ).val(),
			field_id = $( this ).attr( 'id' ).match( new RegExp( /(\d+)$/g ), '' );
		
		$( '#' + $( this ).attr( 'id' ) )
			// don't navigate away from the field on tab when selecting an item
			.bind( 'keydown', function( event ) {
                if ( event.keyCode === $.ui.keyCode.TAB && $( this ).data( 'autocomplete' ).menu.active )
                    event.preventDefault();
            })
			.autocomplete({
				delay: 200,
				source: function( request, response ){
					$.ajax({
						url: VfbCreatePostAjax.ajaxurl,
						type: 'GET',
						async: true,
						cache: false,
						dataType: 'json',
						data: {
							action: 'vfb_create_post_tags',
							term: vfb_extractLast( request.term ),
							nonce: VfbCreatePostAjax.vfbCreatePostNonce
						},
						success: function( data ){	
							response( $.map( data, function( item ){
								return {
									value: item.value
								};
							}
						));
						}
					});
				},
				search: function() {
                    // custom minLength
                    var term = vfb_extractLast( this.value );
                    if ( term.length < 2 ) {
                        return false;
                    }
                },
                focus: function() {
                    // prevent value inserted on focus
                    return false;
                },
                select: function( event, ui ) {
                    var terms = vfb_split( this.value );
                    // remove the current input
                    terms.pop();
                    // add the selected item
                    terms.push( ui.item.value );
                    // add placeholder to get the comma-and-space at the end
                    terms.push( "" );
                    this.value = terms.join( ", " );
                    
                    return false;
                }
			});
	});
	
	function vfb_split( val ) {
        return val.split( /,\s*/ );
    }
    function vfb_extractLast( term ) {
        return vfb_split( term ).pop();
    }
});