( function( $ ) {

	/* Internal shorthand */
	var api = wp.customize;

	/**
	 * Helper class for the main Customizer interface.
	 *
	 * @since 1.2.0
	 * @class FLCustomizer
	 */
	FLCustomizer = {

		/**
		 * Initializes our custom logic for the Customizer.
		 *
		 * @since 1.2.0
		 * @method init
		 */
		init: function()
		{
			FLCustomizer._initEvents();
			FLCustomizer._initToggles();
			FLCustomizer._initFonts();
			FLCustomizer._initPresets();
			FLCustomizer._initCodeEditors();
			FLCustomizer._initSliderControl();
			FLCustomizer._initCheckboxMultiple();
			FLCustomizer._initHeadingControls();
			FLCustomizer._initResponsiveControls();
		},

		/**
		 * Initializes custom events for the Customizer.
		 *
		 * @since 1.3.3
		 * @method _initEvents
		 */
		_initEvents: function()
		{
			$( '.fl-preview-button' ).on( 'click', function() {
				wp.customize.previewer.refresh();
			} );
		},

		/**
		 * Initializes the logic for showing and hiding controls
		 * when a setting changes.
		 *
		 * @since 1.2.0
		 * @access private
		 * @method _initToggles
		 */
		_initToggles: function()
		{
			// Loop through each setting.
			$.each(FLCustomizerToggles, function( settingId, toggles ) {

				// Get the setting object.
				api( settingId, function( setting ) {

					// Loop though the toggles for the setting.
					$.each( toggles, function( i, toggle ) {

						// Loop through the controls for the toggle.
						$.each( toggle.controls, function( k, controlId ) {

							// Get the control object.
							api.control( controlId, function( control ) {

								// Define the visibility callback.
								var visibility = function( to ) {
									control.container.toggle( toggle.callback( to ) );
								};

								// Init visibility.
								visibility( setting.get() );

								// Bind the visibility callback to the setting.
								setting.bind( visibility );
							});
						});
					});
				});
			});
		},

		/**
		 * Initializes logic for font controls.
		 *
		 * @since 1.2.0
		 * @access private
		 * @method _initFonts
		 */
		_initFonts: function()
		{
			$( '.customize-control-font select' ).each( FLCustomizer._initFont );
		},

		/**
		 * Initializes logic for a single font control.
		 *
		 * @since 1.2.0
		 * @access private
		 * @method _initFont
		 */
		_initFont: function()
		{
			var select  = $( this ),
				link    = select.data( 'customize-setting-link' ),
				weight  = select.data( 'connected-control' );

			if ( 'undefined' != typeof weight ) {
				api( link ).bind( FLCustomizer._fontSelectChange );
				FLCustomizer._setFontWeightOptions.apply( api( link ), [ true ] );
			}
		},

		/**
		 * Callback for when a font control changes.
		 *
		 * @since 1.2.0
		 * @access private
		 * @method _fontSelectChange
		 */
		_fontSelectChange: function()
		{
			FLCustomizer._setFontWeightOptions.apply( this, [ false ] );
		},

		/**
		 * Sets the options for a font weight control when a
		 * font family control changes.
		 *
		 * @since 1.2.0
		 * @access private
		 * @method _setFontWeightOptions
		 * @param {Boolean} init Whether or not we're initializing this font weight control.
		 */
		_setFontWeightOptions: function( init )
		{
			var i               = 0,
				fontSelect      = api.control( this.id ).container.find( 'select' ),
				fontValue       = this(),
				selected 		= '',
				weightKey       = fontSelect.data( 'connected-control' ),
				weightSelect    = api.control( weightKey ).container.find( 'select' ),
				weightValue     = init ? weightSelect.val() : '400',
				weightObject    = null,
				weightOptions   = '',
				weightMap       = FLFontFamilies.weights;


			if ( 'undefined' != typeof FLFontFamilies.system[ fontValue ] ) {
				weightObject = FLFontFamilies.system[ fontValue ].weights;
			}
			else if ( 'undefined' != typeof FLFontFamilies.google[ fontValue ] ) {
				weightObject = FLFontFamilies.google[ fontValue ];
			}
			else {
				return false;
			}

			for ( ; i < weightObject.length; i++ ) {

				if ( 0 === i && -1 === $.inArray( weightValue, weightObject ) ) {
					weightValue = weightObject[ 0 ];
					selected 	= ' selected="selected"';
				}
				else {
					selected = weightObject[ i ] == weightValue ? ' selected="selected"' : '';
				}

				weightOptions += '<option value="' + weightObject[ i ] + '"' + selected + '>' + weightMap[ weightObject[ i ] ] + '</option>';
			}

			weightSelect.html( weightOptions );

			if ( ! init ) {
				api( weightKey ).set( '' );
				api( weightKey ).set( weightValue );
			}
		},

		/**
		 * Initializes logic for settings presets.
		 *
		 * @since 1.2.0
		 * @access private
		 * @method _initPresets
		 */
		_initPresets: function()
		{
			if ( typeof api.control( 'fl-preset' ) !== 'undefined' ) {
				api.control( 'fl-preset' ).container.find( 'select' ).on( 'change', FLCustomizer._presetChange );
			}
		},

		/**
		 * Callback for when the preset control changes.
		 *
		 * @since 1.2.0
		 * @access private
		 * @method _presetChange
		 */
		_presetChange: function()
		{
			var val         = $( this ).val(),
				settings    = $.extend( {}, FLCustomizerPresetDefaults, FLCustomizerPresets[ val ].settings ),
				control     = null,
				picker      = null;

			// Loop the settings.
			for ( key in settings ) {

				// Get the control instance.
				control = api.control.instance( key );

				// Set the preset setting.
				control.setting.set( settings[ key ] );

				// Update the color picker if a color control.
				picker = control.container.find( '.color-picker-hex' );

				if ( picker.length > 0 ) {
					picker.wpColorPicker( 'color', settings[ key ] );
				}
			}
		},

		/**
		 * Initializes code editor controls.
		 *
		 * @since 1.3.3
		 * @method _initCodeEditors
		 */
		_initCodeEditors: function()
		{
			ace.require( 'ace/ext/language_tools' );

			$( '.fl-code-editor' ).each( function() {

				var editDiv 		= $( this ),
					editMode		= editDiv.data( 'mode' ),
					editTextarea 	= editDiv.siblings( 'textarea' ),
					editor 			= ace.edit( editDiv[0] );

				editTextarea.hide();
				editor.$blockScrolling = Infinity;
				editor.renderer.setShowGutter( false );
				editor.getSession().setValue( editTextarea.val() );
				editor.getSession().setMode( 'ace/mode/' + editMode );

				editor.setOptions({
			        enableBasicAutocompletion: true,
			        enableLiveAutocompletion: true,
			        enableSnippets: false
			    });

				editor.getSession().on( 'change', function( e ) {
					editTextarea.val( editor.getSession().getValue() ).trigger( 'change' );
				});
			} );
		},

		/**
		 * Initializes the slider control.
		 *
		 * @since 1.5.0
		 * @method _initSliderControl
		 */
		_initSliderControl: function()
		{
			$( '.customize-control-slider .fl-slider-reset' ).click( function () {
				var $slider       = $( this ).closest( 'label' ).find( 'input' ),
					$text_input   = $( this ).closest( 'label' ).find( '#fl-range-value-input' );
					default_value = $slider.data( 'reset_value' );

				$slider.val( default_value );
				$slider.change();
				$text_input.val( default_value );
			});

			$( '.customize-control-slider input[type=range]' ).each(function() {
				var $slider     = $(this),
					$text_input = $( this ).closest( 'label' ).find( '#fl-range-value-input' ),
					value       = $slider.attr( 'value' ),
					min         = $slider.attr( 'min' );

				$slider.on('input', function () {
					value = $slider.attr( 'value' );
					$text_input.val( value );
				});

				$text_input.on('keyup change', function(){
					$slider.val($text_input.val());
					$slider.change();
				});

				$text_input.on('focusout', function(){
					if ( parseInt( $text_input.val() ) < min ) {
						$text_input.val( min );
						$slider.change();
					}
				});

			});
		},

		/**
		 * Initializes the multiple checkbox
		 *
		 * @since 1.5.3
		 * @method _initCheckboxMultiple
		 */
		_initCheckboxMultiple: function()
		{
			$( '.customize-control-checkbox-multiple input[type="checkbox"]' ).each(function(){
				var $checkbox = $(this);

				$checkbox.on('change', function() {

		            checkbox_values = $checkbox.parents( '.customize-control' ).find( 'input[type="checkbox"]:checked' ).map(
		                function() {
		                    return this.value;
		                }
		            ).get().join( ',' );

		            $checkbox.parents( '.customize-control' ).find( 'input[type="hidden"]' ).val( checkbox_values ).trigger( 'change' );
			    });
			});
		},

		/**
		 * Initializes heading controls behavior
		 *
		 * @since 1.7
		 * @method _initHeadingControls
		 */
		_initHeadingControls: function() {

			// The controls we want to reposition
			var keys = [ 'fl-h1-font-size', 'fl-h1-line-height', 'fl-h1-letter-spacing', 'fl-h1-line' ],
				a = 5.0; // The new starting priority

			var controls = keys.map( function( key, i ) {
				var control = api.control( key );
				return {
					i: i,
					key: key,
					control: control,
					initPriority: control.priority(),
					titlePriority: a + ( i * .1 ),
				}
			});

			api( 'fl-heading-style', function( setting ) {
				// Initial positioning
				FLCustomizer._positionHeading1Controls( setting.get(), controls );

				// On fl-heading-style changed
				setting.bind( function( value ) {
					FLCustomizer._positionHeading1Controls( value, controls );
				} );
			});
		},

		/**
		 * Position the h1 controls based on which fl-heading-style option is selected.
		 */
		_positionHeading1Controls: function( value, controls ) {
			controls.map( function( item, i ) {
				var priority = 'title' === value ? item.titlePriority : item.initPriority;
				item.control.priority( priority );
			});
		},

		_initResponsiveControls: function() {
			$( '.fl-responsive-customize-control' ).not('.desktop').hide();

			var sendPreviewedDevice = function () {
				var previewedDevice = api.previewedDevice.get(),
					newDevice       = 'tablet' == previewedDevice ? 'medium' : previewedDevice;

				api.previewer.send( 'previewed-device', newDevice );
	        }

			// Send the initial previewed device when preview is ready.
			api.previewer.bind( 'ready', sendPreviewedDevice );

			api.previewedDevice.bind( function( new_device ) {
				new_device = 'tablet' == new_device ? 'medium' : new_device;
				$( '.fl-responsive-customize-control' ).hide();
				$( '.fl-responsive-customize-control.' + new_device ).show();

				sendPreviewedDevice();
			});
		},
	};

	$( function() { FLCustomizer.init(); } );

})( jQuery );