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/* global wpforms_builder_settings, Choices, wpf */

// noinspection ES6ConvertVarToLetConst
/**
 * Form Builder Settings Panel module.
 *
 * @since 1.7.5
 */

// eslint-disable-next-line no-var
var WPForms = window.WPForms || {};

WPForms.Admin = WPForms.Admin || {};
WPForms.Admin.Builder = WPForms.Admin.Builder || {};

WPForms.Admin.Builder.Settings = WPForms.Admin.Builder.Settings || ( function( document, window, $ ) {
	/**
	 * Elements holder.
	 *
	 * @since 1.7.5
	 *
	 * @type {Object}
	 */
	let el = {};

/**
	 * Runtime variables.
	 *
	 * @since 1.7.5
	 *
	 * @type {Object}
	 */
	const vars = {};

// noinspection JSUnusedLocalSymbols,ES6ConvertVarToLetConst
	/**
	 * Public functions and properties.
	 *
	 * @since 1.7.5
	 *
	 * @type {Object}
	 */
	// eslint-disable-next-line no-var
	var app = {

/**
		 * Start the engine.
		 *
		 * @since 1.7.5
		 */
		init() {
			$( app.ready );
		},

/**
		 * DOM is fully loaded.
		 *
		 * @since 1.7.5
		 */
		ready() {
			app.setup();
			app.initTags();
			app.events();
		},

/**
		 * Setup. Prepare some variables.
		 *
		 * @since 1.7.5
		 */
		setup() {
			// Cache DOM elements.
			el = {
				$builder:    $( '#wpforms-builder' ),
				$panel:      $( '#wpforms-panel-settings' ),
				$selectTags: $( '#wpforms-panel-field-settings-form_tags' ),
			};
		},

/**
		 * Bind events.
		 *
		 * @since 1.7.5
		 */
		events() {
			el.$panel
				.on( 'keydown', '#wpforms-panel-field-settings-form_tags-wrap input', app.addCustomTagInput )
				.on( 'removeItem', '#wpforms-panel-field-settings-form_tags-wrap select', app.editTagsRemoveItem )
				.on( 'change', '#wpforms-panel-field-settings-antispam_v3', app.enableAntispamV3 )
				.on( 'change', '#wpforms-panel-field-settings-disable_entries', app.disableEntries )
				.on( 'change', '#wpforms-panel-field-settings-store_spam_entries', app.storeSpamEntries );

el.$selectTags
				.on( 'change', app.changeTags );
		},

/**
		 * Enable Anti spam v3 toggle change event.
		 *
		 * @since 1.9.0
		 */
		enableAntispamV3() {
			// Hide and disable old anti-spam.
			$( '#wpforms-panel-field-settings-antispam' )
				.prop( 'checked', false )
				.closest( '.wpforms-panel-field' )
				.toggleClass( 'wpforms-hidden' );
		},

/**
		 * Disable Entries toggle change event.
		 *
		 * @since 1.9.2
		 */
		disableEntries() {
			app.toggleFilteringMessages( ! $( this ).prop( 'checked' ) && $( '#wpforms-panel-field-settings-store_spam_entries' ).prop( 'checked' ) );
		},

/**
		 * Store Spam Entries toggle change event.
		 *
		 * @since 1.9.2
		 */
		storeSpamEntries() {
			app.toggleFilteringMessages( $( this ).prop( 'checked' ) );
		},

/**
		 * Toggle Filtering Messages.
		 *
		 * @since 1.9.2
		 *
		 * @param {boolean} $hide Whether to hide or show messages.
		 */
		toggleFilteringMessages( $hide ) {
			if ( ! $( '#wpforms-panel-field-anti_spam-filtering_store_spam' ).is( ':checked' ) ) {
				return;
			}

// Toggle Country Filter Message.
			$( '#wpforms-panel-field-anti_spam-country_filter-message-wrap' ).toggleClass( 'wpforms-hidden', $hide );

// Toggle Keyywords Filter Message.
			$( '#wpforms-panel-field-anti_spam-keyword_filter-message-wrap' ).toggleClass( 'wpforms-hidden', $hide );
		},

/**
		 * Init Choices.js on the Tags select an input element.
		 *
		 * @param {Object} $el Element.
		 * @since 1.7.5
		 */
		initTags( $el = null ) {
			$el = $el?.length ? $el : el.$selectTags;

// Skip in certain cases.
			if (
				! $el.length ||
				typeof window.Choices !== 'function'
			) {
				return;
			}

// Init Choices.js object instance.
			vars.tagsChoicesObj = new Choices( $el[ 0 ], wpforms_builder_settings.choicesjs_config );

// Backup current value.
			const	currentValue = vars.tagsChoicesObj.getValue( true );

// Update all tags choices.
			vars.tagsChoicesObj
				.clearStore()
				.setChoices(
					wpforms_builder_settings.all_tags_choices,
					'value',
					'label',
					true
				)
				.setChoiceByValue( currentValue );

$el.data( 'choicesjs', vars.tagsChoicesObj );

app.initTagsHiddenInput();
		},

/**
		 * Init Tags hidden input element.
		 *
		 * @since 1.7.5
		 */
		initTagsHiddenInput() {
			// Create additional hidden input.
			el.$selectTagsHiddenInput = $( '<input type="hidden" name="settings[form_tags_json]">' );
			el.$selectTags
				.closest( '.wpforms-panel-field' )
				.append( el.$selectTagsHiddenInput );

// Update hidden input value.
			app.changeTags( null );

// Update form state when hidden input initialized.
			// This will prevent a please-save-prompt to appear when switching from revisions without doing any changes anywhere.
			if ( wpf.initialSave === true ) {
				wpf.savedState = wpf.getFormState( '#wpforms-builder-form' );
			}
		},

/**
		 * Add custom item to Tags dropdown on input.
		 *
		 * @since 1.7.5
		 *
		 * @param {Object} event Event object.
		 */
		addCustomTagInput( event ) {
			if ( [ 'Enter', ',' ].indexOf( event.key ) < 0 ) {
				return;
			}

event.preventDefault();
			event.stopPropagation();

if ( ! vars.tagsChoicesObj || event.target.value.length === 0 ) {
				return;
			}

const tagLabel = _.escape( event.target.value ).trim(),
				labels = _.map( vars.tagsChoicesObj.getValue(), 'label' ).map( function( label ) {
					return label.toLowerCase().trim();
				} );

if ( tagLabel === '' || labels.indexOf( tagLabel.toLowerCase() ) >= 0 ) {
				vars.tagsChoicesObj.clearInput();

return;
			}

app.addCustomTagInputCreate( tagLabel );
			app.changeTags( event );
		},

/**
		 * Remove tag from Tags field event handler.
		 *
		 * @since 1.7.5
		 *
		 * @param {Object} event Event object.
		 */
		editTagsRemoveItem( event ) {
			const allValues = _.map( wpforms_builder_settings.all_tags_choices, 'value' );

if ( allValues.indexOf( event.detail.value ) >= 0 ) {
				return;
			}

// We should remove new tag from the list of choices.
			const choicesObj = $( event.target ).data( 'choicesjs' ),
				currentValue = choicesObj.getValue( true ),
				choices = _.filter( choicesObj._currentState.choices, function( item ) {
					return item.value !== event.detail.value;
				} );

choicesObj
				.clearStore()
				.setChoices( choices, 'value', 'label', true )
				.setChoiceByValue( currentValue );
		},

/**
		 * Add custom item to Tags dropdown on input (second part).
		 *
		 * @since 1.7.5
		 *
		 * @param {Object} tagLabel Event object.
		 */
		addCustomTagInputCreate( tagLabel ) {
			const tag = _.find( wpforms_builder_settings.all_tags_choices, { label: tagLabel } );

if ( tag && tag.value ) {
				vars.tagsChoicesObj.setChoiceByValue( tag.value );
			} else {
				vars.tagsChoicesObj.setChoices(
					[
						{
							value: tagLabel,
							label: tagLabel,
							selected: true,
						},
					],
					'value',
					'label',
					false
				);
			}

vars.tagsChoicesObj.clearInput();
		},

/**
		 * Change Tags field event handler.
		 *
		 * @since 1.7.5
		 *
		 * @param {Object} event Event object.
		 */
		// eslint-disable-next-line no-unused-vars
		changeTags( event ) {
			const tagsValue = vars.tagsChoicesObj.getValue(),
				tags = [];

for ( let i = 0; i < tagsValue.length; i++ ) {
				tags.push( {
					value: tagsValue[ i ].value,
					label: tagsValue[ i ].label,
				} );
			}

// Update Tags field hidden input value.
			el.$selectTagsHiddenInput.val(
				JSON.stringify( tags )
			);
		},
	};

// Provide access to public functions/properties.
	return app;
}( document, window, jQuery ) );

// Initialize.
WPForms.Admin.Builder.Settings.init();

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