<?php
/**
 * Plugin settings.
 *
 * @package C4WP
 * @since 7.0.0
 */

declare(strict_types=1);

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

use C4WP\C4WP_Functions;
use C4WP\Methods\C4WP_Method_Loader;

/**
 * Main Settings class.
 */
class C4WP_Settings {

	/**
	 * Class instance.
	 *
	 * @var C4WP_Settings
	 *
	 * @since 7.0.0
	 */
	private static $instance;

	/**
	 * Class initiator.
	 *
	 * @return $instance - Class instance.
	 *
	 * @since 7.0.0
	 */
	public static function init() {
		if ( ! self::$instance instanceof self ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Actions used by our class.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function actions_filters() {
		add_action( 'admin_init', array( __CLASS__, 'admin_init' ) );
		add_action( 'admin_init', array( __CLASS__, 'settings_save' ), 99 );
		add_filter( 'plugin_action_links_' . plugin_basename( C4WP_PLUGIN_FILE ), array( __CLASS__, 'add_settings_link' ) );
		add_action( 'admin_enqueue_scripts', array( __CLASS__, 'admin_enqueue_scripts' ) );

		$use_network_hooks = is_multisite();

		if ( $use_network_hooks ) {
			add_action( 'network_admin_menu', array( __CLASS__, 'network_menu_page' ) );
			add_filter( 'network_admin_plugin_action_links_' . plugin_basename( C4WP_PLUGIN_FILE ), array( __CLASS__, 'add_settings_link' ) );
		} else {
			add_action( 'admin_menu', array( __CLASS__, 'menu_page' ) );
		}


		add_action( 'wp_ajax_c4wp_reset_captcha_config', array( __CLASS__, 'c4wp_reset_captcha_config' ), 10, 1 );
		add_action( 'wp_ajax_c4wp_nocaptcha_plugin_notice_ignore', array( __CLASS__, 'c4wp_nocaptcha_plugin_notice_ignore' ), 10, 1 );

		/* @dev:start */

		// Logging and testing.
		$dev_mode = apply_filters( 'c4wp_enable_dev_mode', false );
		if ( $dev_mode ) {
			add_filter( 'c4wp_settings_fields', array( __CLASS__, 'add_logging_and_testing_settings' ) );
			add_action( 'admin_bar_menu', array( __CLASS__, 'add_toolbar_items' ), 100 );
		}
		/* @dev:end */

		add_action( 'admin_notices', array( __CLASS__, 'v3_fallback_notice' ) );

		add_filter( 'c4wp_settings_fields_after', array( __CLASS__, 'add_additional_settings' ), 25 );
	}

	/* @dev:start */
	/**
	 * Adding testing menu to admin bar.
	 *
	 * @param WP_Admin_Bar $admin_bar - Admin bar object.
	 *
	 * @return void
	 *
	 * @since 7.6.0
	 */
	public static function add_toolbar_items( $admin_bar ) {
		if ( ! is_admin() && isset( $_SERVER['REQUEST_URI'] ) ) {
			$home_url         = home_url( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) );
			$method_override  = $home_url;
			$scripts_override = $home_url;

			if ( isset( $_GET['override-captcha-version'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
				$method_override = preg_replace( '~(\?|&)override-captcha-version=[^&]*~', '$1', $home_url );
			}

			if ( isset( $_GET['override-load-scripts'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
				$scripts_override = preg_replace( '~(\?|&)override-load-scripts=[^&]*~', '$1', $home_url );
			}

			$admin_bar->add_menu(
				array(
					'id'    => 'method-menu',
					'title' => 'C4WP Method Switcher',
					'href'  => '#',
					'meta'  => array(
						'title' => __( 'C4WP Method Switcher' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'v2-checkbox',
					'parent' => 'method-menu',
					'title'  => 'V2 Checkbox',
					'href'   => add_query_arg( array( 'override-captcha-version' => 'v2_checkbox' ), $method_override ),
					'meta'   => array(
						'title' => __( 'V2 Checkbox' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'v2-invisible',
					'parent' => 'method-menu',
					'title'  => 'V2 Invisible',
					'href'   => add_query_arg( array( 'override-captcha-version' => 'v2_invisible' ), $method_override ),
					'meta'   => array(
						'title' => __( 'V2 Invisible' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'v3',
					'parent' => 'method-menu',
					'title'  => 'V3',
					'href'   => add_query_arg( array( 'override-captcha-version' => 'v3' ), $method_override ),
					'meta'   => array(
						'title' => __( 'V3' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'hcaptcha',
					'parent' => 'method-menu',
					'title'  => 'hCaptcha',
					'href'   => add_query_arg( array( 'override-captcha-version' => 'hcaptcha' ), $method_override ),
					'meta'   => array(
						'title' => __( 'hCaptcha' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'cloudflare',
					'parent' => 'method-menu',
					'title'  => 'CloudFlare',
					'href'   => add_query_arg( array( 'override-captcha-version' => 'cloudflare' ), $method_override ),
					'meta'   => array(
						'title' => __( 'CloudFlare' ),
					),
				)
			);

			$admin_bar->add_menu(
				array(
					'id'    => 'script-menu',
					'title' => 'C4WP Script Loading',
					'href'  => '#',
					'meta'  => array(
						'title' => __( 'C4WP Script Loading' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'load-inline',
					'parent' => 'script-menu',
					'title'  => 'Load Inline (default)',
					'href'   => add_query_arg( array( 'override-load-scripts' => 'false' ), $scripts_override ),
					'meta'   => array(
						'title' => __( 'Load Inline (default)' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'load-file-footer',
					'parent' => 'script-menu',
					'title'  => 'Load file footer',
					'href'   => add_query_arg( array( 'override-load-scripts' => 'footer' ), $scripts_override ),
					'meta'   => array(
						'title' => __( 'Load file footer' ),
					),
				)
			);
			$admin_bar->add_menu(
				array(
					'id'     => 'load-file-header',
					'parent' => 'script-menu',
					'title'  => 'Load file header',
					'href'   => add_query_arg( array( 'override-load-scripts' => 'header' ), $scripts_override ),
					'meta'   => array(
						'title' => __( 'Load file header' ),
					),
				)
			);
		}
	}
	/* @dev:end */

	/**
	 * Add notice to alert admin to new feature.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function v3_fallback_notice() {
		$need_notice = get_option( 'c4wp_v3_failover_available', false );
		$current_val = C4WP_Functions::c4wp_get_option( 'failure_action' );
		$user        = wp_get_current_user();

		if ( $need_notice && ! $current_val ) {
			$user         = wp_get_current_user();
			$settings_url = add_query_arg( array( 'page' => 'c4wp-admin-captcha' ), network_admin_url( 'admin.php' ) );
			$notice_nonce = wp_create_nonce( 'dismiss_captcha_notice' );
			$help_text    = wp_sprintf(
				'%1$s %2$s %3$s %4$s %5$s %6$s',
				'<strong>' . esc_html__( 'Important:', 'advanced-nocaptcha-recaptcha' ) . '</strong>',
				esc_html__( 'To reconfigure the failover now, once you are redirected to the plugin\'s configuration page click', 'advanced-nocaptcha-recaptcha' ),
				'<i>' . esc_html__( 'Reconfigure CAPTCHA integration', 'advanced-nocaptcha-recaptcha' ) . '</i>',
				esc_html__( 'and click', 'advanced-nocaptcha-recaptcha' ),
				'<i>' . esc_html__( 'Next', 'advanced-nocaptcha-recaptcha' ) . '</i>',
				esc_html__( 'in the wizard until you get to the failover settings.', 'advanced-nocaptcha-recaptcha' )
			);
			if ( in_array( 'administrator', (array) $user->roles, true ) ) {
				echo '<div class="notice notice-info" style="padding-bottom: 15px;">
					<p>' . esc_html__( 'In the latest version of CAPTCHA 4WP you can configure a failover action for your CAPTCHA check. This means that you can configure the plugin to show a CAPTCHA checkbox or redirect the user when the current v3 reCAPTCHA check fails. Use the buttons below to configure the failover or close this admin notice.', 'advanced-nocaptcha-recaptcha' ) . '</p>
					<p>' . wp_kses( $help_text, C4WP_Functions::c4wp_allowed_kses_args() ) . '</p>
					<a href="' . esc_url( $settings_url ) . '" class="button button-primary">' . esc_html__( 'Configure failover action now', 'advanced-nocaptcha-recaptcha' ) . '</a> <a href="#c4wp-cancel-v3-failover-notice" data-nonce="' . esc_attr( $notice_nonce ) . '" data-notice-type="v3_fallback" class="button button-secondary">' . esc_html__( "I'll configure it later", 'advanced-nocaptcha-recaptcha' ) . '</a>
					</div>';
			}
		}
	}

	/**
	 * Add settings page scripts.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function admin_enqueue_scripts() {
		wp_register_script( 'c4wp-admin', C4WP_PLUGIN_URL . 'assets/js/admin.js', array( 'jquery', 'jquery-ui-dialog' ), C4WP_VERSION, false );
		wp_enqueue_style( 'wp-jquery-ui-dialog' );
	}

	/**
	 * Add settings pages to WP admin.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function admin_init() {
		register_setting( 'c4wp_admin_options', 'c4wp_admin_options', array( __CLASS__, 'options_sanitize' ) );

		$current_tab       = 'c4wp-admin-captcha';
		$possible_sections = array(
			'c4wp-admin-captcha',
			'c4wp-admin-forms',
			'c4wp-admin-geo-blocking',
			'c4wp-admin-settings',
		);

		if ( ! empty( $_GET['page'] ) && in_array( $_GET['page'], $possible_sections, true ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$current_tab = sanitize_key( wp_unslash( $_GET['page'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
		}

		foreach ( self::get_sections( $current_tab ) as $section_id => $section ) {
			add_settings_section( $section_id, $section['section_title'], ! empty( $section['section_callback'] ) ? $section['section_callback'] : null, 'c4wp_admin_options' );
		}
		$skip = array(
			'captcha_version_title',
			'captcha_version',
			'site_key_title',
			'site_key_subtitle',
			'site_key',
			'secret_key',
			'key_validation',
			'failure_action',
			'failure_redirect',
			'failure_v2_site_key',
			'failure_v2_secret_key',
			'failure_key_validation',
		);
		foreach ( self::get_fields() as $field_id => $field ) {
			if ( in_array( $field_id, $skip, true ) ) {
				continue;
			}
			if ( ! empty( $field['sub_section'] ) ) {
				$field['class'] = $field['class'] . ' sub-section-' . $field['sub_section'];
			}
			add_settings_field( $field['id'], $field['label'], ! empty( $field['callback'] ) ? $field['callback'] : array( __CLASS__, 'callback' ), 'c4wp_admin_options', $field['section_id'], $field );
		}
	}

	/**
	 * Create sections used within settings.
	 *
	 * @param string $section_we_want - Section to return.
	 *
	 * @return array $sections - Sections created.
	 *
	 * @since 7.0.0
	 */
	public static function get_sections( $section_we_want = 'c4wp-admin-captcha' ) {
		$captcha_sections = array(
			'google_keys' => array(
				'section_title'    => '',
				'section_callback' => function () {
					$settings_url = add_query_arg( array( 'page' => 'c4wp-admin-forms' ), network_admin_url( 'admin.php' ) );
					echo '<div id="c4wp-setup-wizard">' . wp_kses( self::wizard_markup(), C4WP_Functions::c4wp_allowed_kses_args() ) . '</div>';
					echo '<span style="margin-top: 10px; display: block;">';
					printf(
						/* translators: link to the settings page with text "Settings page" */
						esc_html__( 'Use the CAPTCHA configuration wizard to configure CAPTCHA service integration with your website. Once you set up the integration, navigate to the %s page to configure where CAPTCHA should be added on your website, whitelist IP addresses, and other settings.', 'advanced-nocaptcha-recaptcha' ),
						'<a href="' . esc_url( $settings_url ) . '">' . esc_html__( 'Settings & placements', 'advanced-nocaptcha-recaptcha' ) . '</a>'
					);
					echo '</span>';
					echo wp_kses( self::wizard_launcher_area(), C4WP_Functions::c4wp_allowed_kses_args() );
				},
			),
		);

		$forms_settings_sections = array(
			'forms' => array(
				'section_title'    => '',
				'section_callback' => function () {
					$settings_tabs = array(
						'<a style="margin-left: 1px" href="?page=c4wp-admin-forms&tab=forms-placements" class="nav-tab">Forms & Placements</a>',
					);

					$settings_tabs = apply_filters( 'c4wp_forms_area_tabs', $settings_tabs );

					echo '<span style="margin-top: 10px; display: block;">';
					esc_html_e( 'In this page you can configure where on your website you want to add the CAPTCHA check as well as which forms you wish to enable location rules on.', 'advanced-nocaptcha-recaptcha' );
					echo '</span><br>';

					if ( count( $settings_tabs ) > 1 ) {
						echo '<nav class="nav-tab-wrapper c4wp-settings-tab-wrapper">' . wp_kses( implode( '', $settings_tabs ), C4WP_Functions::c4wp_allowed_kses_args() ) . '</nav>';
					}
				},
			),
			'other' => array(
				'section_title' => '',
			),
		);

		$settings_sections = array(
			'settings' => array(
				'section_title'    => '',
				'section_callback' => function () {
					$settings_tabs = array(
						'<a href="?page=c4wp-admin-settings&tab=general-settings" class="nav-tab" style="margin-left: 0">General Settings</a>',
					);

					$settings_tabs = apply_filters( 'c4wp_settings_area_tabs', $settings_tabs );

					echo '<span style="margin-top: 10px; display: block;">';
					esc_html_e( 'In this page you can configure several settings, such as whitelisting IP addresses, excluding logged in users from CAPTCHA checks and more.', 'advanced-nocaptcha-recaptcha' );
					echo '</span><br>';

					if ( count( $settings_tabs ) > 1 ) {
						echo '<nav class="nav-tab-wrapper c4wp-settings-tab-wrapper">' . wp_kses( implode( '', $settings_tabs ), C4WP_Functions::c4wp_allowed_kses_args() ) . '</nav>';
					}
				},
			),
			'other'    => array(
				'section_title' => '',
			),
		);

		$geo_settings_sections = array(
			'geo-blocking' => array(
				'section_title' => '',
			),
			'other'        => array(
				'section_title' => '',
			),
		);

		$sections = $captcha_sections;
		if ( 'c4wp-admin-forms' === $section_we_want ) {
			$sections = $forms_settings_sections;
		} elseif ( 'c4wp-admin-geo-blocking' === $section_we_want ) {
			$sections = $geo_settings_sections;
		} elseif ( 'c4wp-admin-settings' === $section_we_want ) {
			$sections = $settings_sections;
		}

		return apply_filters( 'c4wp_settings_sections', $sections );
	}

	/**
	 * Main plugin setting fields.
	 *
	 * @return array - Settings fields.
	 *
	 * @since 7.0.0
	 */
	public static function get_fields() {
		$score_values = array();
		for ( $i = 0.0; $i <= 1; $i += 0.1 ) {
			$score_values[ "$i" ] = number_format_i18n( $i, 1 );
		}
		$score_description = sprintf(
			/* translators: expression "very restrictive" in bold */
			esc_html__( 'Any value above 0.5 is %s.', 'advanced-nocaptcha-recaptcha' ),
			'<strong>' . __( 'very restrictive', 'advanced-nocaptcha-recaptcha' ) . '</strong>'
		);
		$score_description .= ' ' . esc_html__( 'This means that you might end up locked out from your website. Therefore test this on a staging website website beforehand.', 'advanced-nocaptcha-recaptcha' );

		$forms_preamble_desc = esc_html__( 'You can add a CAPTCHA check to the below list of pages on WordPress.', 'advanced-nocaptcha-recaptcha' );
		$lang_selector_desc  = esc_html__( 'Use the setting below to select the language of the text used in the CAPTCHA text.', 'advanced-nocaptcha-recaptcha' );

		if ( ! C4WP_Functions::c4wp_is_premium_version() ) {
			$forms_preamble_desc .= sprintf(
				/* translators:link to upgrade page */
				__( 'To add CAPTCHA checks to WooCommerce, Contact Form 7, BuddyPress and other forms created by third party plugins you need to %s', 'advanced-nocaptcha-recaptcha' ),
				'<a target="_blank" rel="noopener noreferrer" href="' . esc_url( 'https://captcha4wp.com/' ) . '">' . esc_html__( 'upgrade to Premium', 'advanced-nocaptcha-recaptcha' ) . '</a>'
			);
			$lang_selector_desc .= esc_html__( ' In the Premium edition you can configure the plugin to automatically detect the language settings of the visitor\'s and use that language.', 'advanced-nocaptcha-recaptcha' );
		}

		$comment_form_label = esc_html__( 'Comments form', 'advanced-nocaptcha-recaptcha' );

		if ( defined( 'WC_PLUGIN_FILE' ) ) {
			$comment_form_label .= ' ' . esc_html__( '(Includes WooCommerce Reviews)', 'advanced-nocaptcha-recaptcha' ) . '';
		}

		if ( defined( 'JETPACK__VERSION' ) ) {
			$comment_form_label .= ' ' . esc_html__( '(Incompatible with Jetpack comments)', 'advanced-nocaptcha-recaptcha' ) . '';
		}

		$fields = array(
			'captcha_version_title'  => array(
				'section_id' => 'google_keys',
				'type'       => 'html',
				'label'      => sprintf(
					'<strong style="position: absolute; font-size: 16px;">%1$s</strong>',
					esc_html__( 'Step 1: Select the type of CAPTCHA you want to use on your website.', 'advanced-nocaptcha-recaptcha' )
				),
				'class'      => 'wrap-around-content c4wp-wizard-captcha-version',
			),
			'captcha_version'        => array(
				'label'      => esc_html__( 'reCAPTCHA version', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'radio',
				'class'      => 'regular c4wp-wizard-captcha-version',
				'std'        => 'v2_checkbox',
				'options'    => array(
					'v2_checkbox'  => esc_html__( 'Google reCAPTCHA Version 2 (Users have to check the "I’m not a robot” checkbox)', 'advanced-nocaptcha-recaptcha' ),
					'v2_invisible' => esc_html__( 'Google reCAPTCHA 2 (No user interaction needed, however, if traffic is suspicious, users are asked to solve a CAPTCHA)', 'advanced-nocaptcha-recaptcha' ),
					'v3'           => esc_html__( 'Google reCAPTCHA 3 (verify request with a score without user interaction)', 'advanced-nocaptcha-recaptcha' ),
				),
			),
			'site_key_title'         => array(
				'section_id' => 'google_keys',
				'type'       => 'html',
				'label'      => sprintf(
					'<strong style="position: absolute; font-size: 16px">%1$s</strong>',
					esc_html__( 'Step 2: Specify the Site & Secret keys', 'advanced-nocaptcha-recaptcha' )
				),
				'class'      => 'wrap-around-content c4wp-wizard-site-keys',
			),
			'site_key_subtitle'      => array(
				'section_id' => 'google_keys',
				'type'       => 'html',
				'label'      => sprintf(
					'<p class="description c4wp-desc wizard_key_intro_text" style="position: absolute;">%1$s</p>',
					sprintf(
						/* translators:link to help page */
						esc_html__( 'To utilize the Google reCAPTCHA service on your website you need to get a Site and Secret key. If you do not have these keys yet, you can option them for free by registering to the Google reCAPTCHA service. Refer to the document %s for a step by step explanation of how to get these keys.', 'advanced-nocaptcha-recaptcha' ),
						'<a href="' . esc_url( 'https://captcha4wp.com/documentation/get-google-recaptcha-keys/' ) . '" target="_blank">' . esc_html__( 'how to get the Google reCAPTCHA keys', 'advanced-nocaptcha-recaptcha' ) . '</a>'
					)
				),
				'class'      => 'wrap-around-content c4wp-wizard-site-keys',
			),
			'site_key'               => array(
				'label'      => esc_html__( 'Site Key', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'required'   => true,
				'class'      => 'c4wp-wizard-site-keys',
			),
			'secret_key'             => array(
				'label'      => esc_html__( 'Secret Key', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'required'   => true,
				'class'      => 'c4wp-wizard-site-keys',
			),
			'key_validation'         => array(
				'section_id' => 'google_keys',
				'type'       => 'html',
				'label'      => esc_html__( 'Key Validation', 'advanced-nocaptcha-recaptcha' ),
				'std'        => '<p class="description mb-10">' . esc_html__( 'Once you enter the correct Site key above, the CAPTCHA method you want to use on your website will appear below. If the key is incorrect you will instead see an error. If you see an error make sure the CAPTCHA version, website domain and the Site keys match. Before the plugin verifies your secret key, it needs a response to send to your CAPTCHA provider. If needed, please interact with/complete the CAPTCHA challenge below if presented to you to proceed.', 'advanced-nocaptcha-recaptcha' ) . '</p><div id="render-settings-placeholder"></div>',
				'class'      => 'c4wp-wizard-site-keys',
			),
			'score_title'            => array(
				'section_id' => 'google_keys',
				'type'       => 'html',
				'label'      => sprintf(
					'<strong style="position: absolute; font-size: 16px;">%1$s</strong>',
					esc_html__( 'Optional settings: Fine-tune CAPTCHA to your requirements', 'advanced-nocaptcha-recaptcha' )
				),
				'class'      => 'wrap-around-content c4wp-wizard-additional-settings',
			),
			'score_subtitle'         => array(
				'section_id' => 'google_keys',
				'type'       => 'html',
				'label'      => sprintf(
					'<p class="description c4wp-desc" style="position: absolute;">%1$s</p>',
					sprintf(
						esc_html__( 'Use the below settings to configure and fine-tune CAPTCHA to your requirements. All the below settings are optional and with them you can configure different aspects of the CAPTCHA checks on your website, such as look and feel and also sensitivity.', 'advanced-nocaptcha-recaptcha' )
					)
				),
				'class'      => 'wrap-around-content c4wp-wizard-additional-setting',
			),
			'score'                  => array(
				'label'      => esc_html__( 'Captcha Score', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular toggleable disabled c4wp-show-field-for-v3',
				'std'        => '0.5',
				'options'    => $score_values,
				'desc'       => esc_html__( 'Use this setting to specify sensitivity of the CAPTCHA check. The closer to 1 the more sensitive the CAPTCHA check will be, which also means more traffic will be marked as spam. This option is only available for reCAPTCHA v3.', 'advanced-nocaptcha-recaptcha' ),
			),
			'v3_script_load'         => array(
				'label'      => esc_html__( 'Load ReCAPTCHA v3 scripts on:', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular toggleable disabled c4wp-show-field-for-v3',
				'std'        => 'all_pages',
				'options'    => array(
					'all_pages'  => esc_html__( 'All Pages', 'advanced-nocaptcha-recaptcha' ),
					'form_pages' => esc_html__( 'Form Pages', 'advanced-nocaptcha-recaptcha' ),
				),
				'desc'       => sprintf(
					/* translators: %s: link to article. */
					__( 'By default, the ReCAPTCHA service can only assess user behavior via the scripts loaded on the form pages. However, when using V3, you can configure it to load on all pages. This allows ReCAPTCHA to get a better context of the traffic so that it can better determine what is spam and what is not. When ReCAPTCHA V3 is configured to load on all pages, it will never prompt or otherwise interrupt users on non-form pages. Note that the ReCAPTCHA V3 check still needs to be included in the form(s). Refer to the %1$s for more information on how to add CAPTCHA checks to your forms.', 'advanced-nocaptcha-recaptcha' ),
					sprintf(
						'<a href="https://captcha4wp.com/documentation/" target="_blank">' . esc_html__( 'CAPTCHA 4WP knowledge base', 'advanced-nocaptcha-recaptcha' ) . '</a>'
					)
				),
			),
			'language_handling'      => array(
				'label'      => esc_html__( 'CAPTCHA language', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'radio',
				'class'      => 'regular remove-space-below remove-radio-br',
				'std'        => 'manually_choose',
				'options'    => array(
					'manually_choose' => esc_html__( 'Select a language', 'advanced-nocaptcha-recaptcha' ),
				),
				'desc'       => $lang_selector_desc,
			),
			'language'               => array(
				'label'      => '',
				'section_id' => 'google_keys',
				'type'       => 'select',
				'std'        => 'en',
				'class'      => 'regular lang_select hide-if-disabled toggleable',
				'options'    => array(
					'ar'     => esc_html__( 'Arabic', 'advanced-nocaptcha-recaptcha' ),
					'bg'     => esc_html__( 'Bulgarian', 'advanced-nocaptcha-recaptcha' ),
					'ca'     => esc_html__( 'Catalan', 'advanced-nocaptcha-recaptcha' ),
					'zh-CN'  => esc_html__( 'Chinese (Simplified)', 'advanced-nocaptcha-recaptcha' ),
					'hr'     => esc_html__( 'Croatian', 'advanced-nocaptcha-recaptcha' ),
					'cs'     => esc_html__( 'Czech', 'advanced-nocaptcha-recaptcha' ),
					'da'     => esc_html__( 'Danish', 'advanced-nocaptcha-recaptcha' ),
					'nl'     => esc_html__( 'Dutch', 'advanced-nocaptcha-recaptcha' ),
					'en-GB'  => esc_html__( 'English (UK)', 'advanced-nocaptcha-recaptcha' ),
					'en'     => esc_html__( 'English (US)', 'advanced-nocaptcha-recaptcha' ),
					'fil'    => esc_html__( 'Filipino', 'advanced-nocaptcha-recaptcha' ),
					'fi'     => esc_html__( 'Finnish', 'advanced-nocaptcha-recaptcha' ),
					'fr'     => esc_html__( 'French', 'advanced-nocaptcha-recaptcha' ),
					'fr-CA'  => esc_html__( 'French (Canadian)', 'advanced-nocaptcha-recaptcha' ),
					'de'     => esc_html__( 'German', 'advanced-nocaptcha-recaptcha' ),
					'de-AT'  => esc_html__( 'German (Austria)', 'advanced-nocaptcha-recaptcha' ),
					'de-CH'  => esc_html__( 'German (Switzerland)', 'advanced-nocaptcha-recaptcha' ),
					'el'     => esc_html__( 'Greek', 'advanced-nocaptcha-recaptcha' ),
					'iw'     => esc_html__( 'Hebrew', 'advanced-nocaptcha-recaptcha' ),
					'hi'     => esc_html__( 'Hindi', 'advanced-nocaptcha-recaptcha' ),
					'hu'     => esc_html__( 'Hungarian', 'advanced-nocaptcha-recaptcha' ),
					'id'     => esc_html__( 'Indonesian', 'advanced-nocaptcha-recaptcha' ),
					'it'     => esc_html__( 'Italian', 'advanced-nocaptcha-recaptcha' ),
					'ja'     => esc_html__( 'Japanese', 'advanced-nocaptcha-recaptcha' ),
					'ko'     => esc_html__( 'Korean', 'advanced-nocaptcha-recaptcha' ),
					'lv'     => esc_html__( 'Latvian', 'advanced-nocaptcha-recaptcha' ),
					'lt'     => esc_html__( 'Lithuanian', 'advanced-nocaptcha-recaptcha' ),
					'no'     => esc_html__( 'Norwegian', 'advanced-nocaptcha-recaptcha' ),
					'fa'     => esc_html__( 'Persian', 'advanced-nocaptcha-recaptcha' ),
					'pl'     => esc_html__( 'Polish', 'advanced-nocaptcha-recaptcha' ),
					'pt'     => esc_html__( 'Portuguese', 'advanced-nocaptcha-recaptcha' ),
					'pt-BR'  => esc_html__( 'Portuguese (Brazil)', 'advanced-nocaptcha-recaptcha' ),
					'pt-PT'  => esc_html__( 'Portuguese (Portugal)', 'advanced-nocaptcha-recaptcha' ),
					'ro'     => esc_html__( 'Romanian', 'advanced-nocaptcha-recaptcha' ),
					'ru'     => esc_html__( 'Russian', 'advanced-nocaptcha-recaptcha' ),
					'sr'     => esc_html__( 'Serbian', 'advanced-nocaptcha-recaptcha' ),
					'sk'     => esc_html__( 'Slovak', 'advanced-nocaptcha-recaptcha' ),
					'sl'     => esc_html__( 'Slovenian', 'advanced-nocaptcha-recaptcha' ),
					'es'     => esc_html__( 'Spanish', 'advanced-nocaptcha-recaptcha' ),
					'es-419' => esc_html__( 'Spanish (Latin America)', 'advanced-nocaptcha-recaptcha' ),
					'sv'     => esc_html__( 'Swedish', 'advanced-nocaptcha-recaptcha' ),
					'th'     => esc_html__( 'Thai', 'advanced-nocaptcha-recaptcha' ),
					'tr'     => esc_html__( 'Turkish', 'advanced-nocaptcha-recaptcha' ),
					'uk'     => esc_html__( 'Ukrainian', 'advanced-nocaptcha-recaptcha' ),
					'vi'     => esc_html__( 'Vietnamese', 'advanced-nocaptcha-recaptcha' ),
				),
			),
			'language_cloudflare'    => array(
				'label'      => '',
				'section_id' => 'google_keys',
				'type'       => 'select',
				'std'        => 'en',
				'class'      => 'regular lang_select hide-if-disabled toggleable c4wp-show-field-for-cloudflare',
				'options'    => array(
					'ar-eg' => esc_html__( 'Arabic (Egypt)', 'advanced-nocaptcha-recaptcha' ),
					'ar'    => esc_html__( 'Arabic', 'advanced-nocaptcha-recaptcha' ),
					'de'    => esc_html__( 'German', 'advanced-nocaptcha-recaptcha' ),
					'en'    => esc_html__( 'English (US)', 'advanced-nocaptcha-recaptcha' ),
					'es'    => esc_html__( 'Spanish', 'advanced-nocaptcha-recaptcha' ),
					'fa'    => esc_html__( 'Persian', 'advanced-nocaptcha-recaptcha' ),
					'fr'    => esc_html__( 'French', 'advanced-nocaptcha-recaptcha' ),
					'id'    => esc_html__( 'Indonesian', 'advanced-nocaptcha-recaptcha' ),
					'it'    => esc_html__( 'Italian', 'advanced-nocaptcha-recaptcha' ),
					'ja'    => esc_html__( 'Japanese', 'advanced-nocaptcha-recaptcha' ),
					'ko'    => esc_html__( 'Korean', 'advanced-nocaptcha-recaptcha' ),
					'nl'    => esc_html__( 'Dutch', 'advanced-nocaptcha-recaptcha' ),
					'pl'    => esc_html__( 'Polish', 'advanced-nocaptcha-recaptcha' ),
					'pt'    => esc_html__( 'Portuguese', 'advanced-nocaptcha-recaptcha' ),
					'pt-br' => esc_html__( 'Portuguese (Brazil)', 'advanced-nocaptcha-recaptcha' ),
					'ru'    => esc_html__( 'Russian', 'advanced-nocaptcha-recaptcha' ),
					'tlh'   => esc_html__( 'Klingon', 'advanced-nocaptcha-recaptcha' ),
					'tr'    => esc_html__( 'Turkish', 'advanced-nocaptcha-recaptcha' ),
					'uk'    => esc_html__( 'Ukrainian', 'advanced-nocaptcha-recaptcha' ),
					'uk-ua' => esc_html__( 'Ukrainian (Ukraine)', 'advanced-nocaptcha-recaptcha' ),
					'zh'    => esc_html__( 'Chinese', 'advanced-nocaptcha-recaptcha' ),
					'zh-cm' => esc_html__( 'Chinese (Simplified)', 'advanced-nocaptcha-recaptcha' ),
					'zh-tw' => esc_html__( 'Chinese (Traditional)', 'advanced-nocaptcha-recaptcha' ),
				),
			),
			'error_message'          => array(
				'label'      => esc_html__( 'Error message', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'std'        => esc_html__( 'Please solve the CAPTCHA to proceed', 'advanced-nocaptcha-recaptcha' ),
				'desc'       => esc_html__( 'Specify the message you want to show users who do not complete the CAPTCHA.', 'advanced-nocaptcha-recaptcha' ),
			),
			'theme'                  => array(
				'label'      => esc_html__( 'Theme', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular toggleable disabled c4wp-show-field-for-v2_checkbox c4wp-show-field-for-v2_invisible',
				'std'        => 'light',
				'options'    => array(
					'light' => esc_html__( 'Light', 'advanced-nocaptcha-recaptcha' ),
					'dark'  => esc_html__( 'Dark', 'advanced-nocaptcha-recaptcha' ),
				),
			),
			'size'                   => array(
				'label'      => esc_html__( 'Size', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular toggleable disabled c4wp-show-field-for-v2_checkbox',
				'std'        => 'normal',
				'options'    => array(
					'normal'  => esc_html__( 'Normal', 'advanced-nocaptcha-recaptcha' ),
					'compact' => esc_html__( 'Compact', 'advanced-nocaptcha-recaptcha' ),
				),
			),
			'badge'                  => array(
				'label'      => esc_html__( 'Badge', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular full-hide toggleable disabled c4wp-show-field-for-v2_invisible',
				'std'        => 'bottomright',
				'options'    => array(
					'bottomright' => esc_html__( 'Bottom Right', 'advanced-nocaptcha-recaptcha' ),
					'bottomleft'  => esc_html__( 'Bottom Left', 'advanced-nocaptcha-recaptcha' ),
					'inline'      => esc_html__( 'Inline', 'advanced-nocaptcha-recaptcha' ),
				),
				'desc'       => esc_html__( 'Badge shows for invisible captcha', 'advanced-nocaptcha-recaptcha' ),
			),
			'badge_v3'               => array(
				'label'      => esc_html__( 'Badge', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular full-hide toggleable disabled c4wp-show-field-for-v3',
				'std'        => 'bottomright',
				'options'    => array(
					'bottomright' => esc_html__( 'Bottom Right', 'advanced-nocaptcha-recaptcha' ),
					'bottomleft'  => esc_html__( 'Bottom Left', 'advanced-nocaptcha-recaptcha' ),
				),
				'desc'       => esc_html__( 'Badge shows for invisible captcha v3', 'advanced-nocaptcha-recaptcha' ),
			),
			'recaptcha_domain'       => array(
				'label'      => esc_html__( 'reCAPTCHA domain', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular toggleable c4wp-google-only-setting',
				'std'        => C4WP_Functions::c4wp_recaptcha_domain(),
				'options'    => array(
					'google.com'    => 'google.com',
					'google.net'    => 'google.net',
					'recaptcha.net' => 'recaptcha.net',
				),
				'desc'       => esc_html__( 'Use this setting to change the domain if Google is not accessible or blocked.', 'advanced-nocaptcha-recaptcha' ),
			),
			'remove_css'             => array(
				'label'      => esc_html__( 'Remove CSS', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'checkbox',
				'class'      => 'checkbox',
				'cb_label'   => esc_html__( "Remove this plugin's css from login page?", 'advanced-nocaptcha-recaptcha' ),
				'desc'       => __( 'This css increase login page width to adjust with Captcha width.', 'advanced-nocaptcha-recaptcha' ),
			),

			'failure_action'         => array(
				'label'      => esc_html__( 'v3 failover action:', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'type'       => 'select',
				'class'      => 'regular',
				'std'        => 'v2_checkbox',
				'options'    => array(
					'v2_checkbox' => esc_html__( 'Show a v2 CAPTCHA checkbox', 'advanced-nocaptcha-recaptcha' ),
					'redirect'    => esc_html__( 'Redirect the website visitor to a URL', 'advanced-nocaptcha-recaptcha' ),
					'nothing'     => esc_html__( 'Take no action', 'advanced-nocaptcha-recaptcha' ),
				),
			),
			'failure_redirect'       => array(
				'label'      => esc_html__( 'Redirect URL', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'required'   => false,
				'class'      => 'c4wp-wizard-site-keys toggleable c4wp-show-field-for-redirect',
			),
			'failure_v2_site_key'    => array(
				'label'      => esc_html__( 'v2 Site key:', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'required'   => false,
				'class'      => 'c4wp-wizard-site-keys toggleable c4wp-show-field-for-v2_checkbox',
			),
			'failure_v2_secret_key'  => array(
				'label'      => esc_html__( 'v2 Secret key:', 'advanced-nocaptcha-recaptcha' ),
				'section_id' => 'google_keys',
				'required'   => false,
				'class'      => 'c4wp-wizard-site-keys toggleable c4wp-show-field-for-v2_checkbox',
			),
			'failure_key_validation' => array(
				'section_id' => 'google_keys',
				'type'       => 'html',
				'label'      => esc_html__( 'Key Validation', 'advanced-nocaptcha-recaptcha' ),
				'std'        => '<p class="description mb-10"><span class="toggleable c4wp-show-field-for-v2_checkbox"></span>' . esc_html__( 'Once you enter the correct Site and Secret keys above, the CAPTCHA method you want to use on your website will appear below. If the keys are incorrect you will instead see an error. If you see an error make sure the CAPTCHA version, website domain and both keys match.', 'advanced-nocaptcha-recaptcha' ) . '</p><div id="render-settings-placeholder-fallback"></div>',
				'class'      => 'c4wp-wizard-site-keys toggleable c4wp-show-field-for-v2_checkbox',
			),

			// Settings.
			'enabled_forms_title'    => array(
				'section_id'  => 'forms',
				'sub_section' => 'forms-placements',
				'type'        => 'html',
				'label'       => sprintf(
					'<strong style="position: absolute;">%1$s</strong>',
					esc_html__( 'Select where on your website you want to add the CAPTCHA check', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'enabled_forms_subtitle' => array(
				'section_id'  => 'forms',
				'sub_section' => 'forms-placements',
				'type'        => 'html',
				'label'       => sprintf(
					'<p class="description c4wp-desc" style="position: absolute;">%1$s</p>',
					$forms_preamble_desc
				),
				'class'       => 'wrap-around-content',
			),
			'enabled_forms'          => array(
				'label'       => esc_html__( 'WordPress pages', 'advanced-nocaptcha-recaptcha' ),
				'section_id'  => 'forms',
				'sub_section' => 'forms-placements',
				'type'        => 'multicheck',
				'class'       => 'checkbox',
				'options'     => array(
					'login'          => esc_html__( 'Login form', 'advanced-nocaptcha-recaptcha' ),
					'registration'   => esc_html__( 'Registration form', 'advanced-nocaptcha-recaptcha' ),
					'reset_password' => esc_html__( 'Reset password form', 'advanced-nocaptcha-recaptcha' ),
					'lost_password'  => esc_html__( 'Lost password form', 'advanced-nocaptcha-recaptcha' ),
					'comment'        => $comment_form_label,
				),
				'std'         => array(
					'login',
					'registration',
					'reset_password',
					'lost_password',
					'comment',
				),
			),
		);

		$fields = apply_filters( 'c4wp_settings_fields', $fields );

		$result = array_filter(
			$fields,
			function ( $key ) {
				if ( 'enabled_forms_title' === $key || 'enabled_forms_subtitle' === $key || 'enabled_forms_wc' === $key ) {
					return false;
				} else {
					return strpos( $key, 'enabled_forms_' ) === 0;
				}
			},
			ARRAY_FILTER_USE_KEY
		);

		// Sort form fields into order.
		$keys = array_keys( $result );
		asort( $keys );

		foreach ( $keys as $key ) {
			$val = $fields[ $key ];
			unset( $fields[ $key ] );
			$fields[ $key ] = $val;
		}

		if ( is_multisite() ) {
			$additional_ms_options['enabled_forms_ms'] = array(
				'label'       => esc_html__( 'Multisite pages', 'advanced-nocaptcha-recaptcha' ),
				'section_id'  => 'forms',
				'sub_section' => 'forms-placements',
				'type'        => 'multicheck',
				'class'       => 'checkbox',
				'options'     => array(
					'ms_user_signup' => esc_html__( 'Multisite Signup form', 'advanced-nocaptcha-recaptcha' ),
				),
			);
			$fields                                    = self::push_at_to_associative_array( $fields, 'enabled_forms_subtitle', $additional_ms_options );
		}

		$fields = apply_filters( 'c4wp_settings_fields_after', $fields );

		if ( ! C4WP_Functions::c4wp_is_premium_version() ) :

			$features_url                  = add_query_arg( array( 'page' => 'c4wp-admin-upgrade' ), network_admin_url( 'admin.php' ) );
			$logos_url                     = C4WP_PLUGIN_URL . 'assets/img/third-party-logos.png';
			$premium_area['premium_title'] = array(
				'section_id' => 'settings',
				'type'       => 'html',
				'class'      => 'premium-title-wrapper h-140',
				'label'      => sprintf(
					'<span class="premium-title"><strong>Upgrade to Premium to:</strong><p>Add spam protection to block spam bots and allow real humans to easily interact with your WordPress website by adding CAPTCHA to any form on your website, including out of the box support for forms on third party plugins such as:</p><p><ul style="list-style: disc; padding-left: 17px; font-weight: 400;"><li>%5$s</li><li>%6$s</li><li>%7$s</li><li>%8$s</li></ul></p><img src="%9$s" style="max-width: 600px; clear: both; display: block;"><a href="%3$s" class="premium-link" target="_blank">%1$s</a> <a href="%4$s" class="premium-link-not-btn">%2$s</a></span>',
					esc_html__( 'Upgrade to Premium', 'advanced-nocaptcha-recaptcha' ),
					esc_html__( 'Find out more', 'advanced-nocaptcha-recaptcha' ),
					esc_url( 'https://captcha4wp.com/' ),
					esc_url( $features_url ),
					esc_html__( 'Checkout and login pages on WooCommerce stores', 'advanced-nocaptcha-recaptcha' ),
					esc_html__( 'Contact Form 7, Gravity Forms, WPForms, MailChimp 4 WordPress forms', 'advanced-nocaptcha-recaptcha' ),
					esc_html__( 'BuddyPress and bbPress', 'advanced-nocaptcha-recaptcha' ),
					esc_html__( 'And others', 'advanced-nocaptcha-recaptcha' ),
					esc_url( $logos_url )
				),
			);

			$fields = self::push_at_to_associative_array( $fields, array_key_last( $fields ), $premium_area );
		endif;

		foreach ( $fields as $field_id => $field ) {
			$fields[ $field_id ] = wp_parse_args(
				$field,
				array(
					'id'             => $field_id,
					'label'          => '',
					'cb_label'       => '',
					'cb_label_after' => '',
					'type'           => 'text',
					'class'          => 'regular-text',
					'el_class'       => 'regular',
					'section_id'     => '',
					'sub_section'    => '',
					'desc'           => '',
					'std'            => '',
					'min_val'        => '',
					'max_val'        => '',
					'minlength'      => '',
				)
			);
		}

		return $fields;
	}

	/**
	 * Field callback.
	 *
	 * @param  array $field - Field data.
	 * @param  bool  $return_markup - To return markup or not.
	 *
	 * @return $output - HTML Markup.
	 *
	 * @since 7.0.0
	 */
	public static function callback( $field, $return_markup = false ) {
		$attrib = '';
		if ( ! empty( $field['required'] ) ) {
			$attrib .= ' required = "required"';
		}
		if ( ! empty( $field['readonly'] ) ) {
			$attrib .= ' readonly = "readonly"';
		}
		if ( ! empty( $field['disabled'] ) ) {
			$attrib .= ' disabled = "disabled"';
		}
		if ( ! empty( $field['minlength'] ) ) {
			$attrib .= ' minlength = "' . absint( $field['minlength'] ) . '"';
		}
		if ( ! empty( $field['maxlength'] ) ) {
			$attrib .= ' maxlength = "' . absint( $field['maxlength'] ) . '"';
		}

		$value = C4WP_Functions::c4wp_get_option( $field['id'], $field['std'] );

		if ( $return_markup ) {
			ob_start();
		}

		if ( ! empty( $field['desc'] ) ) {
			printf( '<p class="description mb-10">%s</p>', wp_kses_post( $field['desc'] ) );
		}

		switch ( $field['type'] ) {
			case 'text':
			case 'email':
			case 'url':
			case 'submit':
				printf(
					'<input type="%1$s" id="c4wp_admin_options_%2$s" class="%3$s %8$s" name="c4wp_admin_options[%4$s]" placeholder="%5$s" value="%6$s"%7$s />',
					esc_attr( $field['type'] ),
					esc_attr( $field['id'] ),
					esc_attr( $field['el_class'] ),
					esc_attr( $field['id'] ),
					isset( $field['placeholder'] ) ? esc_attr( $field['placeholder'] ) : '',
					esc_attr( $value ),
					wp_kses_post( $attrib ),
					esc_attr( $field['class'] )
				);
				break;
			case 'number':
				printf(
					'<input type="%1$s" id="c4wp_admin_options_%2$s" class="%3$s" name="c4wp_admin_options[%4$s]" placeholder="%5$s" min="%8$s" max="%9$s" value="%6$s"%7$s />',
					esc_attr( $field['type'] ),
					esc_attr( $field['id'] ),
					esc_attr( $field['class'] ),
					esc_attr( $field['id'] ),
					isset( $field['placeholder'] ) ? esc_attr( $field['placeholder'] ) : '',
					esc_attr( $value ),
					wp_kses_post( $attrib ),
					esc_attr( $field['min_val'] ),
					esc_attr( $field['max_val'] )
				);
				break;
			case 'number-inline':
				printf(
					'%8$s <input type="%1$s" id="c4wp_admin_options_%2$s" class="%3$s" name="c4wp_admin_options[%4$s]" placeholder="%5$s" min="%10$s" max="%11$s" value="%6$s" %7$s /> %9$s',
					esc_attr( 'number' ),
					esc_attr( $field['id'] ),
					esc_attr( $field['class'] ),
					esc_attr( $field['id'] ),
					isset( $field['placeholder'] ) ? esc_attr( $field['placeholder'] ) : '',
					esc_attr( $value ),
					wp_kses_post( $attrib ),
					esc_attr( $field['cb_label'] ),
					esc_attr( $field['cb_label_after'] ),
					esc_attr( $field['min_val'] ),
					esc_attr( $field['max_val'] )
				);
				break;
			case 'textarea':
					printf(
						'<textarea id="c4wp_admin_options_%1$s" class="%2$s" name="c4wp_admin_options[%3$s]" placeholder="%4$s" %5$s >%6$s</textarea>',
						esc_attr( $field['id'] ),
						esc_attr( $field['class'] ),
						esc_attr( $field['id'] ),
						isset( $field['placeholder'] ) ? esc_attr( $field['placeholder'] ) : '',
						wp_kses_post( $attrib ),
						esc_textarea( $value )
					);
				break;
			case 'checkbox':
				printf( '<input type="hidden" name="c4wp_admin_options[%s]" value="" />', esc_attr( $field['id'] ) );
				printf(
					'<label><input type="%1$s" id="c4wp_admin_options_%2$s" class="%3$s" name="c4wp_admin_options[%4$s]" value="%5$s"%6$s /> %7$s</label>',
					'checkbox',
					esc_attr( $field['id'] ),
					esc_attr( $field['class'] ),
					esc_attr( $field['id'] ),
					'1',
					checked( $value, '1', false ),
					esc_attr( $field['cb_label'] )
				);
				break;
			case 'multicheck':
				printf( '<input type="hidden" name="c4wp_admin_options[%s][]" value="" />', esc_attr( $field['id'] ) );
				foreach ( $field['options'] as $key => $label ) {
					printf(
						'<label><input type="%1$s" id="c4wp_admin_options_%2$s_%5$s" class="%3$s" name="c4wp_admin_options[%4$s][]" value="%5$s"%6$s /> %7$s</label><br>',
						'checkbox',
						esc_attr( $field['id'] ),
						esc_attr( $field['class'] ),
						esc_attr( $field['id'] ),
						esc_attr( $key ),
						checked( in_array( $key, (array) $value, true ), true, false ),
						esc_attr( $label )
					);
				}
				break;
			case 'select':
				printf(
					'<select id="c4wp_admin_options_%1$s" class="%2$s" name="c4wp_admin_options[%1$s]">',
					esc_attr( $field['id'] ),
					esc_attr( $field['class'] ),
					esc_attr( $field['id'] )
				);
				foreach ( $field['options'] as $key => $label ) {
					printf(
						'<option value="%1$s"%2$s>%3$s</option>',
						esc_attr( $key ),
						selected( $value, $key, false ),
						esc_attr( $label )
					);
				}
				printf( '</select>' );
				break;
			case 'html':
				// Ignore to allow HTML markup.
				echo $field['std']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
				break;
			case 'radio':
				foreach ( $field['options'] as $key => $label ) {
					printf(
						'<input type="radio" id="%1$s" name="c4wp_admin_options[%4$s]" value="%1$s" class="%5$s" %2$s><label for="%1$s">%3$s</label><br><br>',
						esc_attr( $key ),
						checked( $value, $key, false ),
						esc_attr( $label ),
						esc_attr( $field['id'] ),
						esc_attr( $field['el_class'] )
					);
				}
				break;

			default:
				/* translators:field type */
				printf( esc_html__( 'No hook defined for %s', 'advanced-nocaptcha-recaptcha' ), esc_html( $field['type'] ) );
				break;
		}

		if ( $return_markup ) {
			$output = ob_get_clean();
			return $output;
		}
	}

	/**
	 * Sanitize provided value.
	 *
	 * @param string $value - Value to sanitize.
	 *
	 * @return string $value - Sanitized value.
	 *
	 * @since 7.0.0
	 */
	public static function options_sanitize( $value ) {
		if ( ! $value || ! is_array( $value ) ) {
			return $value;
		}

		$fields = self::get_fields();

		foreach ( $value as $option_slug => $option_value ) {
			if ( isset( $fields[ $option_slug ] ) && ! empty( $fields[ $option_slug ]['sanitize_callback'] ) ) {
				$value[ $option_slug ] = call_user_func( $fields[ $option_slug ]['sanitize_callback'], $option_value );
			} elseif ( isset( $fields[ $option_slug ] ) ) {
				$value[ $option_slug ] = self::posted_value_sanitize( $option_value, $fields[ $option_slug ] );
			}
		}

		return $value;
	}

	/**
	 * Sanitize posted value.
	 *
	 * @param string $value - Value to sanitize.
	 * @param array  $field - Field to sanitize.
	 *
	 * @return string $sanitized - Sanitized value.
	 *
	 * @since 7.0.0
	 */
	public static function posted_value_sanitize( $value, $field ) {
		$sanitized = $value;
		switch ( $field['type'] ) {
			case 'text':
			case 'hidden':
				$sanitized = sanitize_text_field( trim( $value ) );
				break;
			case 'url':
				$sanitized = esc_url( $value );
				break;
			case 'number':
			case 'number-inline':
				if ( isset( $field['id'] ) && 'failed_login_cron_schedule' === $field['id'] ) {
					if ( absint( $value ) > 10 ) {
						$value = 10;
					} elseif ( absint( $value ) < 1 ) {
						$value = 1;
					}
				}
				if ( isset( $field['id'] ) && 'failed_login_allow' === $field['id'] ) {
					if ( absint( $value ) > 20 ) {
						$value = 10;
					} elseif ( absint( $value ) < 1 ) {
						$value = 1;
					}
				}
				$sanitized = absint( $value );
				break;
			case 'textarea':
			case 'wp_editor':
			case 'teeny':
				$sanitized = wp_kses_post( $value );
				break;
			case 'checkbox':
				$sanitized = absint( $value );
				break;
			case 'multicheck':
				$sanitized = is_array( $value ) ? array_filter( $value ) : array();
				foreach ( $sanitized as $key => $p_value ) {
					if ( ! array_key_exists( $p_value, $field['options'] ) ) {
						unset( $sanitized[ $key ] );
					}
				}
				break;
			case 'select':
				if ( ! array_key_exists( $value, $field['options'] ) ) {
					$sanitized = isset( $field['std'] ) ? $field['std'] : '';
				}
				break;
			default:
				$sanitized = apply_filters( 'c4wp_settings_field_sanitize_filter_' . $field['type'], $value, $field );
				break;
		}

		return apply_filters( 'c4wp_settings_field_sanitize_filter', $sanitized, $field, $value );
	}

	/**
	 * Create admin menu link.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function menu_page() {
		$icon_url           = C4WP_PLUGIN_URL . 'assets/img/20x20-icon.png';
		$notification_count = C4WP\PluginUpdatedNotice::get_current_notices_count();
		add_menu_page(
			esc_html__( 'CAPTCHA Configuration', 'advanced-nocaptcha-recaptcha' ),
			$notification_count ? sprintf( 'CAPTCHA 4WP <span style="position: absolute; margin-left: 5px;" class="awaiting-mod">%d</span>', $notification_count ) : __( 'CAPTCHA 4WP', 'advanced-nocaptcha-recaptcha' ),
			'manage_options',
			'c4wp-admin-captcha',
			array( __CLASS__, 'admin_settings' ),
			$icon_url,
			99
		);
		$hook_captcha_submenu        = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'CAPTCHA Configuration', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'CAPTCHA Configuration', 'advanced-nocaptcha-recaptcha' ), 'manage_options', 'c4wp-admin-captcha', array( __CLASS__, 'admin_settings' ), 0 );
		$hook_forms_settings_submenu = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'CAPTCHA 4WP Forms', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Form Placements', 'advanced-nocaptcha-recaptcha' ), 'manage_options', 'c4wp-admin-forms', array( __CLASS__, 'admin_settings' ), 2 );
		$hook_settings_submenu       = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'CAPTCHA 4WP Settings', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Settings', 'advanced-nocaptcha-recaptcha' ), 'manage_options', 'c4wp-admin-settings', array( __CLASS__, 'admin_settings' ), 3 );
		$hook_help_submenu           = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'Help & Contact Us', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Help & Contact Us', 'advanced-nocaptcha-recaptcha' ), 'manage_options', 'c4wp-admin-help', array( __CLASS__, 'admin_settings' ), 5 );

		if ( ! function_exists( 'c4wp_fs' ) || ( function_exists( 'c4wp_fs' ) && c4wp_fs()->is_not_paying() ) ) {
			$hook_upgrade_submenu = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'Premium Features ➤', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Premium Features ➤', 'advanced-nocaptcha-recaptcha' ), 'manage_options', 'c4wp-admin-upgrade', array( __CLASS__, 'admin_settings' ), 2 );
			add_action( "load-$hook_upgrade_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		}

		add_action( "load-$hook_captcha_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		add_action( "load-$hook_help_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		add_action( "load-$hook_settings_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		add_action( "load-$hook_forms_settings_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );


		add_action( 'admin_footer', array( __CLASS__, 'footer_inline_css' ) );
	}

	/**
	 * Add styling to remove WC block inputs from view.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function footer_inline_css() {
		?>
			<style>
				label[for="additional-information-c4wp/c4wp-wc-checkout"], input[id="additional-information-c4wp/c4wp-wc-checkout"], label[for="additional-information-c4wp/c4wp-wc-checkout-geo"], input[id="additional-information-c4wp/c4wp-wc-checkout-geo"], .wc-block-components-address-form__c4wp-c4wp-wc-checkout input, label[for="order-c4wp-c4wp-wc-checkout"] {
					display: none;
				}
			</style>

			<script type="text/javascript">
				jQuery( '.fs-freemium-licensing' ).remove();
			</script>
		<?php
	}

	/**
	 * Create network admin menu link.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function network_menu_page() {
		$icon_url = C4WP_PLUGIN_URL . 'assets/img/20x20-icon.png';
		add_menu_page( esc_html__( 'CAPTCHA Configuration', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'CAPTCHA 4WP', 'advanced-nocaptcha-recaptcha' ), 'manage_network_options', 'c4wp-admin-captcha', array( __CLASS__, 'admin_settings' ), $icon_url, 99 );
		$hook_captcha_submenu        = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'CAPTCHA Configuration', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'CAPTCHA Configuration', 'advanced-nocaptcha-recaptcha' ), 'manage_network_options', 'c4wp-admin-captcha', array( __CLASS__, 'admin_settings' ), 0 );
		$hook_forms_settings_submenu = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'CAPTCHA 4WP Forms', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Form Placements', 'advanced-nocaptcha-recaptcha' ), 'manage_network_options', 'c4wp-admin-forms', array( __CLASS__, 'admin_settings' ), 1 );
		$hook_settings_submenu       = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'CAPTCHA 4WP Settings', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Settings', 'advanced-nocaptcha-recaptcha' ), 'manage_network_options', 'c4wp-admin-settings', array( __CLASS__, 'admin_settings' ), 2 );
		$hook_help_submenu           = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'Help & Contact Us', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Help & Contact Us', 'advanced-nocaptcha-recaptcha' ), 'manage_network_options', 'c4wp-admin-help', array( __CLASS__, 'admin_settings' ), 5 );

		if ( ! function_exists( 'c4wp_fs' ) || ( function_exists( 'c4wp_fs' ) && c4wp_fs()->is_not_paying() ) ) {
			$hook_upgrade_submenu = add_submenu_page( 'c4wp-admin-captcha', esc_html__( 'Premium Features ➤', 'advanced-nocaptcha-recaptcha' ), esc_html__( 'Premium Features ➤', 'advanced-nocaptcha-recaptcha' ), 'manage_network_options', 'c4wp-admin-upgrade', array( __CLASS__, 'admin_settings' ), 2 );
			add_action( "load-$hook_upgrade_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		}

		add_action( "load-$hook_captcha_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		add_action( "load-$hook_help_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		add_action( "load-$hook_settings_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );
		add_action( "load-$hook_forms_settings_submenu", array( __CLASS__, 'c4wp_admin_page_enqueue_scripts' ) );

	}

	/**
	 * Add admin CSS.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function c4wp_admin_page_enqueue_scripts() {
		$version = C4WP_VERSION;
		wp_enqueue_style( 'c4wp-admin', C4WP_PLUGIN_URL . 'assets/css/admin.css', array(), $version );
	}

	/**
	 * Save settings.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function settings_save() {
		if ( ( current_user_can( 'manage_options' ) && isset( $_POST['c4wp_admin_options'] ) && isset( $_POST['action'] ) && 'update' === $_POST['action'] && isset( $_GET['page'] ) && 'c4wp-admin-settings' === $_GET['page'] ) ||
		( current_user_can( 'manage_options' ) && isset( $_POST['c4wp_admin_options'] ) && isset( $_POST['action'] ) && 'update' === $_POST['action'] && isset( $_GET['page'] ) && 'c4wp-admin-captcha' === $_GET['page'] ) ||
		( current_user_can( 'manage_options' ) && isset( $_POST['c4wp_admin_options'] ) && isset( $_POST['action'] ) && 'update' === $_POST['action'] && isset( $_GET['page'] ) && 'c4wp-admin-forms' === $_GET['page'] ) || ( current_user_can( 'manage_options' ) && isset( $_POST['c4wp_admin_options'] ) && isset( $_POST['action'] ) && 'update' === $_POST['action'] && isset( $_GET['page'] ) && 'c4wp-admin-geo-blocking' === $_GET['page'] ) ) {
			check_admin_referer( 'c4wp_admin_options-options' );

			$post_array = filter_input_array( INPUT_POST );
			$value      = isset( $post_array['c4wp_admin_options'] ) ? wp_unslash( $post_array['c4wp_admin_options'] ) : false;
			if ( ! is_array( $value ) ) {
				$value = array();
			}

			$value = self::validate_and_set_notices( $value );

			C4WP_Functions::c4wp_update_option( $value );

			wp_safe_redirect( add_query_arg( 'updated', true ) );
			exit;
		}
	}

	/**
	 * Settings page markup.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function admin_settings() {
		wp_enqueue_script( 'c4wp-admin' );
		wp_localize_script(
			'c4wp-admin',
			'anrScripts',
			array(
				'ajax_url'                      => admin_url( 'admin-ajax.php' ),
				'captcha_version'               => C4WP_Functions::c4wp_get_option( 'captcha_version', 'v2_checkbox' ),
				'ipWarning'                     => esc_html__( 'Please supply a valid IP', 'advanced-nocaptcha-recaptcha' ),
				'switchingWarning'              => esc_html__( 'To switch the CAPTCHA method you need to replace the current Site and Secret keys. Do you want to proceed?', 'advanced-nocaptcha-recaptcha' ),
				'switchingWarningTitle'         => esc_html__( 'Confirm change of CAPTCHA integration', 'advanced-nocaptcha-recaptcha' ),
				'buddypressNotSupported'        => esc_html__( '* Currently you cannot use Geoblocking on Buddypress comments because it is not supported.', 'advanced-nocaptcha-recaptcha' ),
				'removeConfigWarningTitle'      => esc_html__( 'Confirm removal of CAPTCHA integration', 'advanced-nocaptcha-recaptcha' ),
				'removeConfigWarning'           => esc_html__( 'This will remove the current CAPTCHA integration, which means all the CAPTCHA checks on your website will stop working. Would you like to proceed?', 'advanced-nocaptcha-recaptcha' ),
				'validate_secret_keys_nonce'    => wp_create_nonce( 'c4wp_validate_secret_key_nonce' ),
				'recaptcha_wizard_intro_text'   => sprintf(
					/* translators:link to help page */
					esc_html__( 'To utilize the Google reCAPTCHA service on your website you need to get a Site and Secret key. If you do not have these keys yet, you can get them for free by registering to the Google reCAPTCHA service. Refer to the document %s for a step by step explanation of how to get these keys.', 'advanced-nocaptcha-recaptcha' ),
					'<a href="' . esc_url( 'https://captcha4wp.com/documentation/captcha-4wp-get-google-recaptcha-keys/' ) . '" target="_blank">' . esc_html__( 'how to get the Google reCAPTCHA keys', 'advanced-nocaptcha-recaptcha' ) . '</a>'
				),
				'v2_checkbox_wizard_intro_text' => sprintf(
					/* translators:link to help page */
					esc_html__( 'To utilize the Google reCAPTCHA service on your website you need to get a Site and Secret key. If you do not have these keys yet, you can get them for free by registering to the Google reCAPTCHA service. Refer to the document %s for a step by step explanation of how to get these keys.', 'advanced-nocaptcha-recaptcha' ),
					'<a href="' . esc_url( 'https://captcha4wp.com/documentation/get-google-recaptcha-keys/' ) . '" target="_blank">' . esc_html__( 'how to get the Google reCAPTCHA keys', 'advanced-nocaptcha-recaptcha' ) . '</a>'
				),
				'hcaptcha_wizard_intro_text'    => sprintf(
					/* translators:link to help page */
					esc_html__( 'To utilize the hCaptcha service on your website you need to get a Site and Secret key. If you do not have these keys yet, you can get them for free by registering to the hCaptcha service. Refer to the document %s for a step by step explanation of how to get these keys.', 'advanced-nocaptcha-recaptcha' ),
					'<a href="' . esc_url( 'https://captcha4wp.com/documentation/captcha-4wp-get-hcaptcha-keys/' ) . '" target="_blank">' . esc_html__( 'how to get the hCaptcha keys', 'advanced-nocaptcha-recaptcha' ) . '</a>'
				),
				'cloudflare_wizard_intro_text'  => sprintf(
					/* translators:link to help page */
					esc_html__( 'To utilize the Cloudflare Turnstile service on your website you need to get a Site and Secret key. If you do not have these keys yet, you can get them for free by registering to the Cloudflare Turnstile service. Refer to the document %s for a step by step explanation of how to get these keys.', 'advanced-nocaptcha-recaptcha' ),
					'<a href="' . esc_url( 'https://captcha4wp.com/documentation/captcha-4wp-get-cloudflare-turnstile-keys/' ) . '" target="_blank">' . esc_html__( 'how to get the Cloudflare Turnstile keys', 'advanced-nocaptcha-recaptcha' ) . '</a>'
				),
			)
		);

		$current_tab       = 'c4wp-admin-captcha';
		$possible_sections = array(
			'c4wp-admin-captcha',
			'c4wp-admin-forms',
			'c4wp-admin-geo-blocking',
			'c4wp-admin-settings',
			'c4wp-admin-help',
			'c4wp-admin-upgrade',
		);

		if ( ! empty( $_GET['page'] ) && in_array( $_GET['page'], $possible_sections, true ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$current_tab = sanitize_key( wp_unslash( $_GET['page'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
		}


		// Determine if a Site/Secret key has been stored.
		$site_key               = trim( C4WP_Functions::c4wp_get_site_key() );
		$secret_key             = trim( C4WP_Functions::c4wp_get_secret_key() );
		$settings_url           = add_query_arg( array( 'page' => 'c4wp-admin-captcha' ), network_admin_url( 'admin.php' ) );
		$settings_wrapper_class = 'wrap fs-section';
		$show_wizard            = ( empty( C4WP_Functions::c4wp_get_site_key() ) && empty( $site_key ) && empty( $secret_key ) ) ? 'show_wizard_on_load' : '';

		?>
		<div class="<?php echo esc_attr( $settings_wrapper_class ); ?> <?php echo esc_attr( $show_wizard ); ?>" id="c4wp-admin-wrap">
			<div id="captcha_keys_notice" class="notice notice-info" style="display: none">
				<p>
					<?php
						printf(
							'For the CAPTCHA check to work on the forms you have selected, configure the reCAPTCHA integration in the %1$s section. %2$s %3$s',
							'<strong>' . esc_html__( 'CAPTCHA Configuration', 'advanced-nocaptcha-recaptcha' ) . '</strong>',
							'</br></br><a href="' . esc_url( $settings_url ) . '" class="button button-primary">' . esc_html__( 'Configure it now', 'advanced-nocaptcha-recaptcha' ) . '</a>',
							'<a href="#" class="button button-secondary">' . esc_html__( 'I\'ll configure it later', 'advanced-nocaptcha-recaptcha' ) . '</a>'
						);
					?>
				</p>
			</div>
			<?php
			if ( ! C4WP_Method_Loader::is_active_method_available() && ! empty( $site_key ) ) {
				C4WP_Method_Loader::method_unavailable_notice();
			}
			?>
			<!-- Plugin settings go here -->
			<div id="c4wp-help">
				<h1>
				<?php
				if ( 'c4wp-admin-captcha' === $current_tab ) {
					esc_html_e( 'CAPTCHA integration & configuration', 'advanced-nocaptcha-recaptcha' );
				} elseif ( 'c4wp-admin-geo-blocking' === $current_tab ) {
					esc_html_e( 'Country blocking configuration', 'advanced-nocaptcha-recaptcha' );
				} elseif ( 'c4wp-admin-settings' === $current_tab ) {
					esc_html_e( 'CAPTCHA Settings', 'advanced-nocaptcha-recaptcha' );
				} elseif ( 'c4wp-admin-forms' === $current_tab ) {
					esc_html_e( 'CAPTCHA Placements', 'advanced-nocaptcha-recaptcha' );
				}
				?>
				</h1>
				<div id="post-body" class="metabox-holder columns-2 c4wp-settings">
					<div id="post-body-content">
						<div id="tab_container">
						<div class="overlay" id="overlay" hidden>
							<div class="confirm-box">
							<div onclick="closeConfirmBox()" class="close">&#10006;</div>
							<h2><?php esc_html_e( 'Confirmation', 'advanced-nocaptcha-recaptcha' ); ?></h2>
							<p><?php esc_html_e( 'Are you sure to execute this action?', 'advanced-nocaptcha-recaptcha' ); ?></p>
							<button onclick="isConfirm(true)">Yes</button>
							<button onclick="isConfirm(false)">No</button>
							</div>
						</div>
							<?php
							if ( 'c4wp-admin-captcha' === $current_tab || 'c4wp-admin-settings' === $current_tab || 'c4wp-admin-forms' === $current_tab || 'c4wp-admin-geo-blocking' === $current_tab ) {
								self::settings_form();
							} elseif ( 'c4wp-admin-help' === $current_tab ) {
								self::display_help_page();
							} elseif ( 'c4wp-admin-upgrade' === $current_tab ) {
								self::display_upgrade_page();
							}
							?>
						</div><!-- #tab_container-->
					</div><!-- #post-body-content-->
					<div id="postbox-container-1" class="postbox-container">
						<?php echo wp_kses( self::c4wp_admin_sidebar(), C4WP_Functions::c4wp_allowed_kses_args() ); ?>
					</div><!-- #postbox-container-1 -->
				</div><!-- #post-body -->
				<br class="clear" />
			</div><!-- #post stuff -->
		</div>
		<style>
		.disabled, .disabled .disabled {
			opacity: 0.6;
			pointer-events: none;
		}
		</style>
		<?php
	}

	/**
	 * Setting form wrapper.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function settings_form() {

		?>
			<?php self::c4wp_settings_notice(); ?>
			<form method="post" action="" class="c4wp-admin-wrapper">
				<?php
				settings_fields( 'c4wp_admin_options' );
				do_settings_sections( 'c4wp_admin_options' );
				do_action( 'c4wp_admin_setting_form' );
				submit_button();
				?>
			</form>
		<?php
	}

	/**
	 * Creates and displays notices upon successful saving of settings or errors if needed.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function c4wp_settings_notice() {
		$errors = get_transient( 'c4wp_admin_options_errors' );
		$notice = '';
		if ( empty( $errors ) ) {
			return;
		}

		foreach ( $errors as $error ) {
			if ( 'empty_site_key' === $error ) {
				$notice .= '<div class="notice notice-error"><p>' . esc_html__( 'The site key that you have entered is invalid. Please try again.', 'advanced-nocaptcha-recaptcha' ) . '</p></div>';
			}
			if ( 'empty_secret_key' === $error ) {
				$notice .= '<div class="notice notice-error"><p>' . esc_html__( 'The secret key that you have entered is invalid. Please try again.', 'advanced-nocaptcha-recaptcha' ) . '</p></div>';
			}
			if ( 'success' === $error ) {
				$context = esc_html__( 'CAPTCHA settings', 'advanced-nocaptcha-recaptcha' );

				// Ignored as no nonce needed here.
				if ( isset( $_REQUEST['page'] ) && 'c4wp-admin-captcha' === $_REQUEST['page'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
					$context = esc_html__( 'CAPTCHA configuration', 'advanced-nocaptcha-recaptcha' );
				}
				$notice .= '<div class="notice notice-success"><p>' . $context . esc_html__( ' updated', 'advanced-nocaptcha-recaptcha' ) . '</p></div>';
			}
		}

		delete_transient( 'c4wp_admin_options_errors' );

		echo wp_kses_post( $notice );
	}

	/**
	 * Create admin sidebar.
	 *
	 * @return string $return - HTML markup.
	 *
	 * @since 7.0.0
	 */
	public static function c4wp_admin_sidebar() {
		$return = '';
		if ( ! C4WP_Functions::c4wp_is_premium_version() ) :
			$icon_url = C4WP_PLUGIN_URL . 'assets/img/c4wp-logo-full.png';
			$return  .= sprintf(
				'<div class="postbox">
					<h3 class="handle" style="text-align: center;">
						<img src="' . esc_url( $icon_url ) . '" style="max-width: 200px; display: inline-block; margin: 10px 0 15px;">
						<span>' . esc_html__( 'Upgrade to Premium and benefit from the below features:', 'advanced-nocaptcha-recaptcha' ) . '</span>
					</h3>
					<div class="inside">
						<div>
							<ul class="c4wp-pro-features-ul">
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'Add CAPTCHA antispam checks also from hCaptcha and Cloudflare Turnstile.', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'Use the language that your website viewers understand', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'Spam protection for your WooCommerce stores', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'Specify where to put the CAPTCHA test on WooCommerce checkout page', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'One-click spam protection for forms built with Contact Form 7, Gravity Forms, WPForms & MailChimp for WordPress', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'CAPTCHA tests & spam protection for BuddyPress, bbPress & other third party plugins', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'Add CAPTCHA to any type of form, even PHP forms', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'Boost login security, add CAPTCHA tests only failed logins', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'Exempt logged in users, IP addresses and specific URLs from CAPTCHA checks.', 'advanced-nocaptcha-recaptcha' ) . '</li>
								<li class="dashicons-before dashicons-yes-alt"> ' . esc_html__( 'No Ads!', 'advanced-nocaptcha-recaptcha' ) . '</li>
							</ul>
							<p style="text-align: center; margin: auto"><a class="premium-link" href="%1$s" target="_blank">' . esc_html__( 'Upgrade to Premium', 'advanced-nocaptcha-recaptcha' ) . '</a></p>
						</div>
					</div>
				</div>',
				esc_url( 'https://captcha4wp.com/' )
			);
		endif;
		return $return;
	}

	/**
	 * Validate target options and remove from the array which is about to be saved if invalid.
	 * Also handles error/success notices based on result.
	 *
	 * @param  array $value - Value to validate.
	 *
	 * @return array - Validated value.
	 *
	 * @since 7.0.0
	 */
	public static function validate_and_set_notices( $value ) {
		$errors = array();

		if ( isset( $value['site_key'] ) && isset( $value['secret_key'] ) ) {
			$site_key   = $value['site_key'];
			$secret_key = $value['secret_key'];
			$allowed    = array( '-', '_' );

			if ( empty( $site_key ) || ! ctype_alnum( str_replace( $allowed, '', $site_key ) ) ) {
				$errors[] = 'empty_site_key';
				unset( $value['site_key'] );
			}
			if ( empty( $secret_key ) || ! ctype_alnum( str_replace( $allowed, '', $secret_key ) ) ) {
				$errors[] = 'empty_secret_key';
				unset( $value['secret_key'] );
			}
		}

		if ( isset( $value['comment_disallowed_keys'] ) ) {
			update_site_option( 'disallowed_keys', wp_kses_post( $value['comment_disallowed_keys'] ) );
		}

		// Let user know how it went.
		if ( $errors ) {
			set_transient( 'c4wp_admin_options_errors', $errors, 30 );
		} else {
			set_transient( 'c4wp_admin_options_errors', array( 'success' ), 30 );
		}

		return $value;
	}

	/**
	 * Add link to settings to dashboard menu.
	 *
	 * @param array $links - Default links.
	 *
	 * @return array $links - Updated links.
	 *
	 * @since 7.0.0
	 */
	public static function add_settings_link( $links ) {
		// add settings link in plugins page.
		$settings_link = '<a href="' . C4WP_Functions::c4wp_settings_page_url() . '">' . esc_html__( 'Settings', 'advanced-nocaptcha-recaptcha' ) . '</a>';

		$append_link = ( is_multisite() && method_exists( 'C4WP\\C4WP_Functions', 'c4wp_same_settings_for_all_sites' ) && C4WP_Functions::c4wp_same_settings_for_all_sites() ) ? true : false;
		if ( $append_link || ! is_multisite() ) {
			array_unshift( $links, $settings_link );
		}
		return $links;
	}

	/**
	 * Include help page content.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function display_help_page() {
		require_once 'templates/help/index.php';
	}

	/**
	 * Include upgrade page content.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function display_upgrade_page() {
		require_once 'templates/upgrade/index.php';
	}

	/**
	 * Help function to push an item to an associate array.
	 *
	 * @param array  $incoming_array - Original array.
	 * @param string $key - new item key.
	 * @param string $new_items - New item value.
	 *
	 * @return array $incoming_array - Updated array.
	 *
	 * @since 7.0.0
	 */
	public static function push_at_to_associative_array( $incoming_array, $key, $new_items ) {
		$keys  = array_keys( $incoming_array );
		$index = array_search( $key, $keys, true );
		$pos   = false === $index ? count( $incoming_array ) : $index + 1;

		$incoming_array = array_slice( $incoming_array, 0, $pos, true ) + $new_items + array_slice( $incoming_array, $pos, count( $incoming_array ) - 1, true );
		return $incoming_array;
	}


	/**
	 * Ignore admin notice.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function c4wp_nocaptcha_plugin_notice_ignore() {
		// Check caps.
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( esc_html__( 'Nonce Verification Failed.', 'advanced-nocaptcha-recaptcha' ) );
		}

		$posted = filter_input_array( INPUT_POST );
		// Grab POSTed data.
		$nonce       = sanitize_key( $posted['nonce'] );
		$notice_type = sanitize_key( $posted['notice_type'] );

		// Check nonce.
		if ( empty( $nonce ) || ! wp_verify_nonce( $nonce, 'dismiss_captcha_notice' ) ) {
			wp_send_json_error( esc_html__( 'Nonce Verification Failed.', 'advanced-nocaptcha-recaptcha' ) );
		}

		if ( 'multisite' === $notice_type ) {
			global $current_user;
			$user_id = $current_user->ID;
			$updated = add_user_meta( $user_id, 'nocaptcha_plugin_notice_ignore', 'true', true );

			if ( method_exists( 'C4WP\\C4WP_Functions', 'c4wp_same_settings_for_all_sites' ) && C4WP_Functions::c4wp_same_settings_for_all_sites() ) {
				update_site_option( 'c4wp_network_notice_dismissed', true );
			} else {
				update_option( 'c4wp_network_notice_dismissed', true );
			}
			wp_send_json_success( $updated );

		} elseif ( 'v3_fallback' === $notice_type ) {
			if ( method_exists( 'C4WP\\C4WP_Functions', 'c4wp_same_settings_for_all_sites' ) && C4WP_Functions::c4wp_same_settings_for_all_sites() ) {
				update_site_option( 'c4wp_v3_failover_available', false );
			} else {
				update_option( 'c4wp_v3_failover_available', false );
			}
		}
		wp_send_json_success();
	}

	/**
	 * Handles markup of the popup settings wizard.
	 *
	 * @return string $markup - HTML markup.
	 *
	 * @since 7.0.0
	 */
	public static function wizard_markup() {
		$fields = self::get_fields();

		// Add intro card if this is running in 'first time' mode.
		$show_wizard_intro = ( empty( C4WP_Functions::c4wp_get_option( 'captcha_version' ) ) && empty( $site_key ) && empty( $secret_key ) ) ? true : false;
		$logo_url          = C4WP_PLUGIN_URL . 'assets/img/c4wp-logo-full.png';
		$settings_url      = add_query_arg( array( 'page' => 'c4wp-admin-settings' ), network_admin_url( 'admin.php' ) );

		$form_fields_result = array_filter(
			$fields,
			function ( $key ) {
				$unwanted = array(
					'enabled_forms_title',
					'enabled_forms_subtitle',
					'enabled_forms_cf7',
					'enabled_forms_wpf',
					'enabled_forms_gf',
					'enabled_forms_ninja',
					'enabled_forms_formidable',
					'enabled_forms_fluent',
					'enabled_forms_everest',
					'enabled_forms_elementor',
				);
				if ( in_array( $key, $unwanted, true ) ) {
					return false;
				} else {
					return strpos( $key, 'enabled_forms' ) === 0;
				}
			},
			ARRAY_FILTER_USE_KEY
		);

		$form_fields_keys = array_keys( $form_fields_result );
		asort( $form_fields_keys );
		$forms_markup = '';

		foreach ( $form_fields_keys as $field_key ) {
			$forms_markup .= '<p class="c4wp-wizard-checkbox"><strong>' . $fields[ $field_key ]['label'] . '</strong>
			<span>' . self::callback( $fields[ $field_key ], true ) . '</span></p>	';
		}

		$contact_forms_text_part2 = '';

		$contact_forms_text = sprintf(
			/* translators:knowledge base link */
			__( 'Please refer to the %1$s for mre information about the plugin.', 'advanced-nocaptcha-recaptcha' ),
			sprintf(
				'<a href="https://captcha4wp.com/documentation/adding-captcha-contact-form-7-forms/" target="_blank">' . esc_html__( 'CAPTCHA 4WP knowledge base', 'advanced-nocaptcha-recaptcha' ) . '</a>'
			)
		);

		/* @free:start */
		$contact_forms_text_part2 = sprintf(
			/* translators:knowledge base link */
			__( 'To add CAPTCHA checks and geo-blocking rules to forms created with Contact Form 7, Gravity Forms, Ninja Forms, WPForms and other third party plugins, %1$s.', 'advanced-nocaptcha-recaptcha' ),
			sprintf(
				'<a href="https://captcha4wp.com/pricing/" target="_blank">' . esc_html__( 'upgrade to Premium', 'advanced-nocaptcha-recaptcha' ) . '</a>'
			)
		);
		/* @free:end */

		$intro_content                 = '
		<div class="c4wp-wizard-panel" id="c4wp-setup-wizard-intro">
			<div class="c4wp-panel-content">
				<img src="' . $logo_url . '" class="wizard-logo"/>
				<strong>' . esc_html__( 'Getting started with the CAPTCHA 4WP plugin', 'advanced-nocaptcha-recaptcha' ) . '</strong>
				<p class="description c4wp-desc" style="position: absolute;">' . esc_html__( 'Thank you for installing the CAPTCHA 4WP plugin. This wizard will help you get started with the plugin so you can configure CAPTCHA and protect your website from spam, and fake registrations and orders.', 'advanced-nocaptcha-recaptcha' ) . '</p>				
			</div>
			<a data-wizard-goto href="#c4wp-setup-wizard-version-select" class="button button-primary">' . esc_html__( 'Next', 'advanced-nocaptcha-recaptcha' ) . '</a>
			<a href="#c4wp-cancel-wizard" class="button button-secondary">' . esc_html__( 'Cancel', 'advanced-nocaptcha-recaptcha' ) . '</a>
		</div>
		';
		$back_to_intro                 = '<a data-wizard-goto href="#c4wp-setup-wizard-intro" class="button button-secondary">' . esc_html__( 'Back', 'advanced-nocaptcha-recaptcha' ) . '</a>';
		$method_select_upgrade_message = ( ! isset( C4WP_Method_Loader::$methods['hcaptcha'] ) ) ? '<p>Do you want to use hCaptcha or Cloudflare Turnstile for your website CAPTCHA? <a href="https://captcha4wp.com/?&utm_source=plugin&utm_medium=link&utm_campaign=c4wp" target="_blank">Upgrade to Premium.</a></p>' : '';

		$markup = '
			<div id="c4wp-setup-wizard-content">
				<a href="#" id="c4wp-close-wizard"><span class="dashicons dashicons-no-alt"></span></a>
				' . $intro_content . '
				<div class="c4wp-wizard-panel" id="c4wp-setup-wizard-version-select">
					<div class="c4wp-panel-content">
						' . $fields['captcha_version_title']['label'] . '
						<p>' . $fields['captcha_version']['label'] . '</p>
						' . self::callback( $fields['captcha_version'], true ) . '
						' . $method_select_upgrade_message . '
					</div>
					<a data-wizard-goto href="#c4wp-setup-wizard-site-keys" class="button button-primary">' . esc_html__( 'Next', 'advanced-nocaptcha-recaptcha' ) . '</a>
					<a href="#c4wp-cancel-wizard" class="button button-secondary">' . esc_html__( 'Cancel', 'advanced-nocaptcha-recaptcha' ) . '</a>
				</div>
				<div class="c4wp-wizard-panel" id="c4wp-setup-wizard-site-keys">
					<div class="c4wp-panel-content">
						<div id="key-validation-step-1">
							' . $fields['site_key_title']['label'] . '
							' . $fields['site_key_subtitle']['label'] . '
							<p>' . $fields['site_key']['label'] . '
							' . self::callback( $fields['site_key'], true ) . '</p>
							<p>' . self::callback( $fields['key_validation'], true ) . '</p>
							<a data-goto-key-step href="#key-validation-step-2" class="button button-primary">' . esc_html__( 'Proceed to secret key', 'advanced-nocaptcha-recaptcha' ) . '</a>
							<a data-wizard-goto href="#c4wp-setup-wizard-version-select" class="button button-secondary">' . esc_html__( 'Back', 'advanced-nocaptcha-recaptcha' ) . '</a>
						</div>
						<div id="key-validation-step-2" class="hidden">
							<strong style="position: absolute; font-size: 16px">' . esc_html__( 'Step 3 - Validation and saving', 'advanced-nocaptcha-recaptcha' ) . '</strong>
							<p>' . esc_html__( 'Using the response from your CAPTCHA input, we can validate your security key', 'advanced-nocaptcha-recaptcha' ) . '</p>
							<p>' . $fields['secret_key']['label'] . '
							' . self::callback( $fields['secret_key'], true ) . '</p>
							<p><div id="secret_key_validation_feedback"></div></p>
							<a href="#c4wp-setup-wizard-validate-secret-and-proceed" class="button button-primary">' . esc_html__( 'Validate & proceed', 'advanced-nocaptcha-recaptcha' ) . '</a>
							<a data-wizard-goto href="#c4wp-setup-wizard-additional-settings" class="button button-primary hidden" data-check-inputs="#c4wp_admin_options_site_key, #c4wp_admin_options_secret_key">' . esc_html__( 'Next', 'advanced-nocaptcha-recaptcha' ) . '</a>
							<a data-goto-key-step href="#key-validation-step-1" class="button button-secondary">' . esc_html__( 'Back', 'advanced-nocaptcha-recaptcha' ) . '</a>
							<a data-wizard-goto href="#c4wp-setup-wizard-v3-fallback" class="hidden button button-secondary">' . esc_html__( 'Proceed', 'advanced-nocaptcha-recaptcha' ) . '</a>
							<a href="#c4wp-cancel-wizard" class="button button-secondary">' . esc_html__( 'Cancel', 'advanced-nocaptcha-recaptcha' ) . '</a>
						</div>
					</div>
					
				</div>
				<div class="c4wp-wizard-panel" id="c4wp-setup-wizard-v3-fallback">
					<div class="c4wp-panel-content">
						<strong>' . esc_html__( 'Step 4: Configure a failover action for reCAPTCHA v3 failure', 'advanced-nocaptcha-recaptcha' ) . '</strong>
						<p class="description c4wp-desc" style="position: absolute;">' . esc_html__( 'reCAPTCHA v3 is fully automated. This means that by default, if the CAPTCHA check fails the website visitor cannot proceed with what they are doing unless you configure a failover action. Use the below setting to configure the failover action.', 'advanced-nocaptcha-recaptcha' ) . '</p>
						<p>' . $fields['failure_action']['label'] . '
						' . self::callback( $fields['failure_action'], true ) . '</p>	
						<p class="toggletext hidden disabled c4wp-show-field-for-redirect">' . esc_html__( 'Please specify the full URL, including the protocol (HTTP or HTTPS) where you would like the user to be redirected to. For example: ', 'advanced-nocaptcha-recaptcha' ) . '<i>https://captcha4wp.com/blog/</i></p>
						<p class="toggletext hidden disabled c4wp-show-field-for-v2_checkbox">' . esc_html__( 'To show the v2 reCAPTCHA checkbox you need to specify the Site and Secret keys. Please specify them below:', 'advanced-nocaptcha-recaptcha' ) . '</p>
						<p>' . $fields['failure_redirect']['label'] . '
						' . self::callback( $fields['failure_redirect'], true ) . '</p>			
						<p>' . $fields['failure_v2_site_key']['label'] . '
						' . self::callback( $fields['failure_v2_site_key'], true ) . '</p>	
						<p>' . $fields['failure_v2_secret_key']['label'] . '
						' . self::callback( $fields['failure_v2_secret_key'], true ) . '</p>	
						<p>' . self::callback( $fields['failure_key_validation'], true ) . '</p>	
					</div>
					<a data-wizard-goto href="#c4wp-setup-wizard-additional-settings" class="button button-primary" data-check-inputs="#c4wp_admin_options_failure_v2_site_key, #c4wp_admin_options_failure_v2_secret_key">' . esc_html__( 'Next', 'advanced-nocaptcha-recaptcha' ) . '</a>
					<a data-wizard-goto href="#c4wp-setup-wizard-site-keys" class="button button-secondary">' . esc_html__( 'Back', 'advanced-nocaptcha-recaptcha' ) . '</a>
					<a href="#c4wp-cancel-wizard" class="button button-secondary">' . esc_html__( 'Cancel', 'advanced-nocaptcha-recaptcha' ) . '</a>
				</div>
				<div class="c4wp-wizard-panel" id="c4wp-setup-wizard-additional-settings">
					<div class="c4wp-panel-content">
						<strong>' . esc_html__( 'Choose which forms to protect', 'advanced-nocaptcha-recaptcha' ) . '</strong>
						<p class="description c4wp-desc" style="position: absolute;">' . esc_html__( 'Here you can choose which forms to begin protected with your chosen CAPTCHA method.', 'advanced-nocaptcha-recaptcha' ) . '</p>
						' . $forms_markup . '
						' . $contact_forms_text . '
						<br>' . $contact_forms_text_part2 . '
					</div>
					<a data-wizard-goto href="#c4wp-setup-wizard-finish" class="button button-primary">' . esc_html__( 'Next', 'advanced-nocaptcha-recaptcha' ) . '</a>
					<a href="#c4wp-cancel-wizard" class="button button-secondary">' . esc_html__( 'Cancel', 'advanced-nocaptcha-recaptcha' ) . '</a>
				</div>
				<div class="c4wp-wizard-panel" id="c4wp-setup-wizard-finish">
					<div class="c4wp-panel-content">
						<strong>' . esc_html__( 'All done - you can now add CAPTCHA checks to your website', 'advanced-nocaptcha-recaptcha' ) . '</strong>
						<p class="description c4wp-desc" style="position: absolute;">' . esc_html__( 'Now that your chosen CAPTCHA service is fully integrated you can use the optional settings to fine-tune CAPTCHA to your requirements.', 'advanced-nocaptcha-recaptcha' ) . '</p>		
						<p>All the CAPTCHA settings are optional and with them you can configure aspects such as look and feel and CAPTCHA sensitivity. When you are ready navigate to the <a href="' . esc_url( $settings_url ) . '" target="_blank">Settings & Placements</a> page to configure where you\'d like to add the CAPTCHA checks.</p>		
					</div>
					<a href="#finish" class="button button-primary">' . esc_html__( 'Finish', 'advanced-nocaptcha-recaptcha' ) . '</a>
				</div>
			</div>
		';
		return $markup;
	}

	/**
	 * Handles markup for showing the 'launch wizard' buttons as well as current plugin config.
	 *
	 * @return string $markup - HTML Markup
	 *
	 * @since 7.0.0
	 */
	public static function wizard_launcher_area() {
		$site_key        = trim( C4WP_Functions::c4wp_get_site_key() );
		$secret_key      = trim( C4WP_Functions::c4wp_get_secret_key() );
		$captcha_version = trim( C4WP_Functions::c4wp_get_option( 'captcha_version' ) );
		$failure_action  = trim( C4WP_Functions::c4wp_get_option( 'failure_action' ) );
		$reset_nonce     = wp_create_nonce( 'reset_captcha_nonce' );

		$captcha_labels = array(
			'v2_checkbox'  => esc_html__( 'V2 Checkbox', 'advanced-nocaptcha-recaptcha' ),
			'v2_invisible' => esc_html__( 'V2 Invisible CAPTCHA', 'advanced-nocaptcha-recaptcha' ),
			'v3'           => esc_html__( 'V3 Invisible CAPTCHA', 'advanced-nocaptcha-recaptcha' ),
			'hcaptcha'     => esc_html__( 'hCaptcha', 'advanced-nocaptcha-recaptcha' ),
			'cloudflare'   => esc_html__( 'Cloudflare Turnstile', 'advanced-nocaptcha-recaptcha' ),
		);

		$captcha_label = isset( $captcha_labels[ $captcha_version ] ) ? $captcha_labels[ $captcha_version ] : $captcha_version;

		if ( $site_key && $secret_key ) {
			$markup = '
				<br><a href="#" id="launch-c4wp-wizard" class="button button-primary">' . esc_html__( 'Reconfigure CAPTCHA integration', 'advanced-nocaptcha-recaptcha' ) . '</a> <a href="#" id="reset-c4wp-config" class="button button-secondary" data-nonce="' . esc_attr( $reset_nonce ) . '">' . esc_html__( 'Remove CAPTCHA integration', 'advanced-nocaptcha-recaptcha' ) . '</a>
			';

			$markup                 .= '
			<table class="form-table" role="presentation">
				<tbody>
					<tr class="regular">
						<th scope="row">Current CAPTCHA configuration:</th>
						<td>';
							$markup .= '<div class="c4wp-current-setup">';
							$markup .= '<p><span>' . esc_html__( 'CAPTCHA version:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . $captcha_label . '</strong></p>';
							$markup .= '<p><span>' . esc_html__( 'Site key:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . $site_key . '</strong></p>';
							$markup .= '<p><span>' . esc_html__( 'Secret key:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . $secret_key . '</strong></p>';
			if ( 'v3' === $captcha_version ) {
				if ( 'v2_checkbox' === $failure_action ) {
					$markup .= '<p><span>' . esc_html__( 'Failover action:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . esc_html__( 'v2 checkbox', 'advanced-nocaptcha-recaptcha' ) . '</strong></p>';
					$markup .= '<p><span>' . esc_html__( 'Site key:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . sanitize_text_field( trim( C4WP_Functions::c4wp_get_option( 'failure_v2_site_key' ) ) ) . '</strong></p>';
					$markup .= '<p><span>' . esc_html__( 'Secret key:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . sanitize_text_field( trim( C4WP_Functions::c4wp_get_option( 'failure_v2_secret_key' ) ) ) . '</strong></p>';
				} elseif ( 'redirect' === $failure_action ) {
					$markup .= '<p><span>' . esc_html__( 'Failover action:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . esc_html__( 'Redirect to a URL', 'advanced-nocaptcha-recaptcha' ) . '</strong></p>';
					$markup .= '<p><span>' . esc_html__( 'Failover redirect URL:', 'advanced-nocaptcha-recaptcha' ) . '</span><strong>' . sanitize_text_field( trim( C4WP_Functions::c4wp_get_option( 'failure_redirect' ) ) ) . '</strong></p>';
				}
			}
							$markup .= '</div>';
							$markup .= '
						</td>
					</tr>
				</tbody>
			</table>
			';
		} elseif ( isset( C4WP_Method_Loader::$methods['hcaptcha'] ) ) {
				$markup = '
					<br><a href="#" id="launch-c4wp-wizard" class="button button-primary">' . esc_html__( 'Configure CAPTCHA integration', 'advanced-nocaptcha-recaptcha' ) . '</a>
				';
		} else {
			$markup = '
					<br><a href="#" id="launch-c4wp-wizard" class="button button-primary">' . esc_html__( 'Configure Google reCAPTCHA integration', 'advanced-nocaptcha-recaptcha' ) . '</a>
				';
		}

		return $markup;
	}

	/**
	 * Reset current version and keys.
	 *
	 * @return void
	 *
	 * @since 7.0.0
	 */
	public static function c4wp_reset_captcha_config() {
		// Check caps.
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( esc_html__( 'Nonce Verification Failed.', 'advanced-nocaptcha-recaptcha' ) );
		}

		$posted = filter_input_array( INPUT_POST );
		// Grab POSTed data.
		$nonce = sanitize_key( $posted['nonce'] );

		// Check nonce.
		if ( empty( $nonce ) || ! wp_verify_nonce( $nonce, 'reset_captcha_nonce' ) ) {
			wp_send_json_error( esc_html__( 'Nonce Verification Failed.', 'advanced-nocaptcha-recaptcha' ) );
		}

		C4WP_Functions::c4wp_update_option( 'site_key' );
		C4WP_Functions::c4wp_update_option( 'secret_key' );
		C4WP_Functions::c4wp_update_option( 'captcha_version' );

		wp_send_json_success();
	}

	/* @dev:start */
	/**
	 * Adds a setting to allow for testing different CAPTCHA results.
	 *
	 * @param  array $fields - Current settings array.
	 *
	 * @return array $fields - Modified array.
	 *
	 * @since 7.0.0
	 */
	public static function add_logging_and_testing_settings( $fields ) {

		$stored = C4WP_Functions::c4wp_get_option( 'c4wp_recent_results' );

		$nice_display = '';

		$additional_options['override_result']             = array(
			'label'      => esc_html__( 'Override validation response', 'advanced-nocaptcha-recaptcha' ),
			'section_id' => 'google_keys',
			'type'       => 'select',
			'class'      => 'regular',
			'std'        => 'no_override',
			'options'    => array(
				'no_override'  => esc_html__( 'Do no override', 'advanced-nocaptcha-recaptcha' ),
				'return_false' => esc_html__( 'Return false (failure)', 'advanced-nocaptcha-recaptcha' ),
				'return_true'  => esc_html__( 'Return true (pass)', 'advanced-nocaptcha-recaptcha' ),
			),
			'desc'       => '',
		);
		$additional_options['testing_v2_checkbox_key']     = array(
			'label'      => 'Testing keys/secrets',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'reCAPTCHA V2',
		);
		$additional_options['testing_v2_checkbox_secret']  = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'reCAPTCHA V2 secret',
		);
		$additional_options['testing_v2_invisible_key']    = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'reCAPTCHA V2 invisible',
		);
		$additional_options['testing_v2_invisible_secret'] = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'reCAPTCHA V2 invisible secret',
		);
		$additional_options['testing_v3_key']              = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'reCAPTCHA V3',
		);
		$additional_options['testing_v3_secret']           = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'reCAPTCHA V3 secret',
		);
		$additional_options['testing_hcaptcha_key']        = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'hCaptcha',
		);
		$additional_options['testing_hcaptcha_secret']     = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'hCaptcha secret',
		);
		$additional_options['testing_cloudflare_key']      = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular remove-space-below regular-text',
			'desc'       => 'cloudflare',
		);
		$additional_options['testing_cloudflare_secret']   = array(
			'label'      => '',
			'section_id' => 'google_keys',
			'type'       => 'text',
			'class'      => 'regular regular-text',
			'desc'       => 'cloudflare secret',
		);

		$additional_options['recent_verification_results'] = array(
			'section_id' => 'google_keys',
			'type'       => 'html',
			'label'      => sprintf(
				'<p class="description c4wp-desc" style="position: absolute;"><p>'
			),
			'class'      => 'wrap-around-content c4wp-wizard-captcha-version',
		);

		$additional_options['force_submission_locale'] = array(
			'section_id' => 'geo-blocking',
			'type'       => 'text',
			'label'      => esc_html__( 'Force submission locale (testing):', 'advanced-nocaptcha-recaptcha' ),
			'class'      => 'regular',
		);

		$fields = self::push_at_to_associative_array( $fields, array_key_last( $fields ), $additional_options );

		return $fields;
	}
	/* @dev:end */

	/**
	 * Add additional setting to settings page.
	 *
	 * @param array $fields - Original settings.
	 *
	 * @return array $field - Appended settings.
	 *
	 * @since 7.6.0
	 */
	public static function add_additional_settings( $fields ) {
		$additional_hide_fields = array(
			'disable_submit_title'              => array(
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'html',
				'class'       => 'wrap-around-content',
				'label'       => sprintf(
					'<strong style="position: absolute;">%1$s</strong>',
					esc_html__( 'Disable submit button until CAPTCHA response is provided?', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'disable_submit_subtitle'           => array(
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'html',
				'class'       => 'wrap-around-content',
				'label'       => sprintf(
					'<p class="description c4wp-desc" style="position: absolute;">%1$s</p>',
					esc_html__( 'When using a visible CAPTCHA method that requires users\' interaction, should the plugin disable the submit button until the CAPTCHA challenge is completed?', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'disable_submit'                    => array(
				'label'       => esc_html__( 'Disable submit button', 'advanced-nocaptcha-recaptcha' ),
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'std'         => 0,
				'type'        => 'checkbox',
				'class'       => 'checkbox',
			),
			'pass_on_no_captcha_found_title'    => array(
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'html',
				'class'       => 'wrap-around-content',
				'label'       => sprintf(
					'<strong style="position: absolute;">%1$s</strong>',
					esc_html__( 'Should CAPTCHA 4WP pass or fail a submission if no CAPTCHA field is found?', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'pass_on_no_captcha_found_subtitle' => array(
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'html',
				'class'       => 'wrap-around-content',
				'label'       => sprintf(
					'<p class="description c4wp-desc" style="position: absolute;">%1$s</p>',
					esc_html__( 'If a form is passed through our plugin for verification and no CAPTCHA field is present, you can choose to either allow the submission or return a failure.', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'pass_on_no_captcha_found'          => array(
				'label'       => esc_html__( 'How to handle failed submissions', 'advanced-nocaptcha-recaptcha' ),
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'radio',
				'class'       => 'regular remove-space-below remove-radio-br',
				'std'         => 'proceed',
				'options'     => array(
					'proceed' => esc_html__( 'Proceed with submission', 'advanced-nocaptcha-recaptcha' ),
					'fail'    => esc_html__( 'Fail submission', 'advanced-nocaptcha-recaptcha' ),
				),
			),

			'scripts_settings_title'            => array(
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'html',
				'class'       => 'wrap-around-content',
				'label'       => sprintf(
					'<strong style="position: absolute;">%1$s</strong>',
					esc_html__( 'Load scripts inline or via file?', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'scripts_settings_subtitle'         => array(
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'html',
				'class'       => 'wrap-around-content',
				'label'       => sprintf(
					'<p class="description c4wp-desc" style="position: absolute;">%1$s</p>',
					esc_html__( 'By default the plugin loads its JS inline within wp_footer, would you like to switch to loading via a JS file instead? In can lead to increased performance in many instances.', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'inline_or_file'                    => array(
				'label'       => esc_html__( 'Script loading method', 'advanced-nocaptcha-recaptcha' ),
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'radio',
				'class'       => 'regular remove-space-below remove-radio-br',
				'std'         => 'file',
				'options'     => array(
					'inline' => esc_html__( 'Load inline', 'advanced-nocaptcha-recaptcha' ),
					'file'   => esc_html__( 'Load file', 'advanced-nocaptcha-recaptcha' ),
				),
			),
			'file_header_or_footer'             => array(
				'label'       => esc_html__( 'File loading method', 'advanced-nocaptcha-recaptcha' ),
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'radio',
				'class'       => 'regular remove-space-below remove-radio-br',
				'std'         => 'footer',
				'options'     => array(
					'footer' => esc_html__( 'Footer', 'advanced-nocaptcha-recaptcha' ),
					'header' => esc_html__( 'Header', 'advanced-nocaptcha-recaptcha' ),
				),
			),

			'delete_data_subtitle'              => array(
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'type'        => 'html',
				'class'       => 'wrap-around-content',
				'label'       => sprintf(
					'<strong style="position: absolute;">%1$s</strong>',
					esc_html__( 'Do you want delete all plugin data when uninstalling the plugin?', 'advanced-nocaptcha-recaptcha' )
				),
			),
			'delete_data_enable'                => array(
				'label'       => esc_html__( 'Delete data', 'advanced-nocaptcha-recaptcha' ),
				'section_id'  => 'settings',
				'sub_section' => 'general_settings',
				'std'         => 0,
				'type'        => 'checkbox',
				'class'       => 'checkbox',
			),
		);

		$fields = self::push_at_to_associative_array( $fields, array_key_last( $fields ), $additional_hide_fields );

		return $fields;
	}
}