jQuery('#atmat-mb-multi-author').ready(function( $ ){
	
	// Ajax Contributors box search.
	$( ':input.atmat-select2' ).each( function() {
		var select2_args = {
			allowClear: $( this ).data( 'allow_clear' ) ? true : false,
			placeholder: $( this ).data( 'placeholder' ),
			minimumInputLength: $( this ).data( 'minimum_input_length' ) ? $( this ).data( 'minimum_input_length' ) : '3',
			escapeMarkup: function( m ) {
				return m;
			},
			ajax: {
				url: ajaxurl,
				dataType: 'json',
				quietMillis: 250,
				data: function( term ) {
					return {
						term: term,
						action: $( this ).data( 'action' ),
						security: $('#atmat-nonce').val(),
						exclude: $( this ).data( 'exclude' ),
						include: $( this ).data( 'include' ),
						limit: $( this ).data( 'limit' )
					};
				},
				results: function( data ) {
					var terms = [];
					if ( data ) {
						$.each( data, function( id, text ) {
							terms.push( { id: id, text: text } );
						});
					}
					return {
						results: terms
					};
				},
				cache: true
			}
		};

		if ( $( this ).data( 'multiple' ) === true ) {
			select2_args.multiple = true;
			select2_args.initSelection = function( element, callback ) {
				var data = $.parseJSON( element.attr( 'data-selected' ) );
				var selected = [];
				$( element.val().split( ',' ) ).each( function( i, val ) {
					selected.push({
						id: val,
						text: data[ val ]
					});
				});
				return callback( selected );
			};
			select2_args.formatSelection = function( data ) {
				return '<div class="selected-option" data-id="' + data.id + '">' + data.text + '</div>';
			};
		} else {
			select2_args.multiple = false;
			select2_args.initSelection = function( element, callback ) {
				var data = {
					id: element.val(),
					text: element.attr( 'data-selected' )
				};
				return callback( data );
			};
		}

		$( this ).select2( select2_args );
	});
	
});