jQuery( document ).ready(
	function( $ ) {
		var transitionTimeout;

		// languages list table
		// accessibility to row actions on focus
		// mainly copy paste of WP code from common.js
		$( 'table.languages' ).on(
			{ // restricted to languages list table
				focusin: function() {
					clearTimeout( transitionTimeout );
					focusedRowActions = $( this ).find( '.row-actions' );
					// transitionTimeout is necessary for Firefox, but Chrome won't remove the CSS class without a little help.
					$( '.row-actions' ).not( this ).removeClass( 'visible' );
					focusedRowActions.addClass( 'visible' );
				},
				focusout: function() {
					// Tabbing between post title and .row-actions links needs a brief pause, otherwise
					// the .row-actions div gets hidden in transit in some browsers ( ahem, Firefox ).
					transitionTimeout = setTimeout(
						function() {
							focusedRowActions.removeClass( 'visible' );
						},
						30
					);
				}
			},
			'tr'
		); // acts on the whole tr instead of single td as we have actions links in several columns

		// Common functions for overriding language and flag dropdown list.
		var selectmenuRenderItem = function( wrapper, item ) {
			var li = $( '<li>' ).text( item.label ).prepend( $( item.element ).data( 'flag-html' ) );
			li.children( 'img' ).addClass( 'ui-icon' );
			return li.appendTo( wrapper );
		};
		var selectmenuRefreshButtonText = function( selectElement ) {
			var buttonText = $( selectElement ).selectmenu( 'instance' ).buttonText;
			buttonText.prepend( $( selectElement ).children( ':selected' ).data( 'flag-html' ) );
			buttonText.children( 'img' ).addClass( 'ui-icon' );
		};
		// Overrides the flag dropdown list with our customized jquery ui selectmenu.

		// Inject flag image when jQuery UI selectmenu is created or an item is selected.
		$( '#flag_list' ).on(
			'selectmenucreate selectmenuselect',
			function(){
				selectmenuRefreshButtonText( this );
			}
		);
		// Refresh jQuery UI selectmenu when the value is changed programmatically: select another language or edit an existing language.
		// For putting the focus in the list on the selected item and injecting the right flag on the selected item.
		$( '#flag_list' ).on(
			'selectmenuopen',
			function(){
				$( this ).selectmenu( 'refresh' ).trigger( 'selectmenuselect' );
			}
		);
		// Create the jQuery UI selectmenu widget
		$( '#flag_list' ).selectmenu( { width: '100%' } );
		// Overrides each item in the jQuery UI selectmenu list by injecting flag image.
		$( '#flag_list' ).selectmenu( 'instance' )._renderItem = selectmenuRenderItem;

		// Language choice in predefined languages in Polylang Languages settings page and wizard.
		// Overrides the predefined language dropdown list with our customized jquery ui selectmenu.

		// Inject flag image when jQuery UI selectmenu is created or an item is selected.
		$( '#lang_list' ).on(
			'selectmenucreate selectmenuselect',
			function() {
				selectmenuRefreshButtonText( this );
			}
		);
		// Create the jQuery UI selectmenu widget
		$( '#lang_list' ).selectmenu( { width: '100%' } );
		// Overrides each element in the jQuery UI selectmenu list by injecting flag image.
		$( '#lang_list' ).selectmenu( 'instance' )._renderItem = selectmenuRenderItem;

		// Languages form
		// Fills the fields based on the language dropdown list choice
		$( '#add-lang #lang_list' ).on(
			'selectmenuchange',
			function() {
				var value = $( this ).val().split( ':' );
				var selected = $( "option:selected", this ).text().split( ' - ' );
				$( '#lang_slug' ).val( value[0] );
				$( '#lang_locale' ).val( value[1] );
				$( 'input[name="rtl"]' ).val( [value[2]] );
				$( '#lang_name' ).val( selected[0] );
				$( '#flag_list').val( value[3] );

				// Refresh the jQuery UI selectmenu flags list.
				$( '#flag_list' ).selectmenu( 'refresh' ).trigger( 'selectmenuselect' );
			}
		);

		// strings translations
		// save translations when pressing enter
		$( '.translation input' ).keypress(
			function( event ){
				if ( 13 === event.keyCode ) {
					event.preventDefault();
					$( '#submit' ).click();
				}
			}
		);

		// settings page
		// click on configure link
		$( '#the-list' ).on(
			'click',
			'.configure>a',
			function(){
				$( '.pll-configure' ).hide().prev().show();
				$( this ).closest( 'tr' ).hide().next().show();
				return false;
			}
		);

		// cancel
		$( '#the-list' ).on(
			'click',
			'.cancel',
			function(){
				$( this ).closest( 'tr' ).hide().prev().show();
			}
		);

		// save settings
		$( '#the-list' ).on(
			'click',
			'.save',
			function(){
				var tr = $( this ).closest( 'tr' );
				var parts = tr.attr( 'id' ).split( '-' );

				var data = {
					action:            'pll_save_options',
					pll_ajax_settings: true,
					module:            parts[parts.length - 1],
					_pll_nonce:        $( '#_pll_nonce' ).val()
				};

				data = tr.find( ':input' ).serialize() + '&' + $.param( data );

				$.post(
					ajaxurl,
					data,
					function( response ) {
						var res = wpAjax.parseAjaxResponse( response, 'ajax-response' );
						$.each(
							res.responses,
							function() {
								switch ( this.what ) {
									case 'license-update':
										$( '#pll-license-' + this.data ).replaceWith( this.supplemental.html );
									break;
									case 'success':
										tr.hide().prev().show(); // close only if there is no error
									case 'error':
										$( '.settings-error' ).remove(); // remove previous messages if any
										$( 'h1' ).after( this.data );

										// Make notices dismissible
										// copy paste of common.js from WP 4.2.2
										$( '.notice.is-dismissible' ).each(
											function() {
												var $this = $( this ),
													$button = $( '<button type="button" class="notice-dismiss"><span class="screen-reader-text"></span></button>' ),
													btnText = commonL10n.dismiss || '';

												// Ensure plain text
												$button.find( '.screen-reader-text' ).text( btnText );

												// Whitelist because of how the button is built. See above
												$this.append( $button ); // phpcs:ignore WordPressVIPMinimum.JS.HTMLExecutingFunctions.append

												$button.on(
													'click.wp-dismiss-notice',
													function( event ) {
														event.preventDefault();
														$this.fadeTo(
															100,
															0,
															function() {
																$( this ).slideUp(
																	100,
																	function() {
																		$( this ).remove();
																	}
																);
															}
														);
													}
												);
											}
										);
									break;
								}
							}
						);
					}
				);
			}
		);

		// act when pressing enter or esc in configurations
		$( '.pll-configure' ).keypress(
			function( event ){
				if ( 13 === event.keyCode ) {
					event.preventDefault();
					$( this ).find( '.save' ).click();
				}

				if ( 27 === event.keyCode ) {
					event.preventDefault();
					$( this ).find( '.cancel' ).click();
				}
			}
		);

		// settings URL modifications
		// manages visibility of fields
		$( "input[name='force_lang']" ).change(
			function() {
				function pll_toggle( a, test ) {
					test ? a.show() : a.hide();
				}

				var value = $( this ).val();
				pll_toggle( $( '#pll-domains-table' ), 3 == value );
				pll_toggle( $( "#pll-hide-default" ), 3 > value );
				pll_toggle( $( "#pll-rewrite" ), 2 > value );
				pll_toggle( $( "#pll-redirect-lang" ), 2 > value );
			}
		);

		// settings license
		// deactivate button
		$( '.pll-deactivate-license' ).on(
			'click',
			function() {
				var data = {
					action:            'pll_deactivate_license',
					pll_ajax_settings: true,
					id:                $( this ).attr( 'id' ),
					_pll_nonce:        $( '#_pll_nonce' ).val()
				};
				$.post(
					ajaxurl,
					data,
					function( response ){
						$( '#pll-license-' + response.id ).replaceWith( response.html );
					}
				);
			}
		);

		// Manage closing the metabox.
		// close postboxes that should be closed
		$( '.if-js-closed' ).removeClass( 'if-js-closed' ).addClass( 'closed' );
		// postboxes setup
		if ( 'undefined' !== typeof postboxes ) {
			postboxes.add_postbox_toggles( pagenow );
		}
	}
);