<?php
/**
 * Main class file.
 *
 * @package hcaptcha-wp
 */

// phpcs:disable Generic.Commenting.DocComment.MissingShort
/** @noinspection PhpUndefinedNamespaceInspection */
/** @noinspection PhpUndefinedClassInspection */
// phpcs:enable Generic.Commenting.DocComment.MissingShort

namespace HCaptcha;

use Automattic\WooCommerce\Utilities\FeaturesUtil;
use HCaptcha\Abilities\Abilities;
use HCaptcha\Admin\Events\Events;
use HCaptcha\Admin\MaxMindDb;
use HCaptcha\Admin\PluginStats;
use HCaptcha\Admin\Privacy;
use HCaptcha\Admin\WhatsNew;
use HCaptcha\AntiSpam\DisposableEmail;
use HCaptcha\AntiSpam\Honeypot;
use HCaptcha\AutoVerify\AutoVerify;
use HCaptcha\CF7\Admin;
use HCaptcha\CF7\CF7;
use HCaptcha\CF7\ReallySimpleCaptcha;
use HCaptcha\CLI\Commands;
use HCaptcha\DelayedScript\DelayedScript;
use HCaptcha\DownloadManager\DownloadManager;
use HCaptcha\ElementorPro\HCaptchaHandler;
use HCaptcha\EventsManager\Booking;
use HCaptcha\Helpers\FormSubmitTime;
use HCaptcha\Helpers\HCaptcha;
use HCaptcha\Helpers\Install;
use HCaptcha\Helpers\Pages;
use HCaptcha\Helpers\Playground;
use HCaptcha\Helpers\Request;
use HCaptcha\Migrations\Migrations;
use HCaptcha\NF\NF;
use HCaptcha\ProtectContent\ProtectContent;
use HCaptcha\Quform\Quform;
use HCaptcha\Sendinblue\Sendinblue;
use HCaptcha\Settings\AntiSpamPage;
use HCaptcha\Settings\EventsPage;
use HCaptcha\Settings\FormsPage;
use HCaptcha\Settings\General;
use HCaptcha\Settings\Integrations;
use HCaptcha\Settings\Settings;
use HCaptcha\Settings\SystemInfo;
use HCaptcha\Settings\Tools;
use HCaptcha\Vendors\GeoIp2\Database\Reader;
use HCaptcha\WCGermanized\ReturnRequest;
use HCaptcha\WCWishlists\CreateList;
use Throwable;
use WP_CLI;

/**
 * Class Main.
 */
class Main {
	/**
	 * Main script handle.
	 */
	public const HANDLE = 'hcaptcha';

	/**
	 * WP hooks handle.
	 */
	private const WP_HOOKS_HANDLE = 'wp-hooks';

	/**
	 * Main script localization object.
	 */
	private const OBJECT = 'HCaptchaMainObject';

	/**
	 * Default API host.
	 */
	public const API_HOST = 'js.hcaptcha.com';

	/**
	 * Default verify host.
	 */
	public const VERIFY_HOST = 'api.hcaptcha.com';

	/**
	 * Priority of the plugins_loaded action to load Main.
	 */
	public const LOAD_PRIORITY = Migrations::LOAD_PRIORITY + 10;

	/**
	 * Form shown somewhere, use this flag to run the script.
	 *
	 * @var boolean
	 */
	public bool $form_shown = false;

	/**
	 * We have the verification result of the hCaptcha widget.
	 * Use this flag to send a remote request only once.
	 *
	 * @var boolean
	 */
	public bool $has_result = false;

	/**
	 * Plugin modules.
	 *
	 * @var array
	 */
	public array $modules = [];

	/**
	 * Loaded integration-related classes.
	 *
	 * @var array
	 */
	protected array $loaded_classes = [];

	/**
	 * Settings class instance.
	 *
	 * @var Settings|null
	 */
	protected ?Settings $settings = null;

	/**
	 * Instance of AutoVerify.
	 *
	 * @var AutoVerify|null
	 */
	protected ?AutoVerify $auto_verify = null;

	/**
	 * Instance of ProtectContent.
	 *
	 * @var ProtectContent
	 */
	protected ProtectContent $protect_content;

	/**
	 * Whether hCaptcha is active.
	 *
	 * @var bool
	 */
	private bool $active;

	/**
	 * Supported forms.
	 *
	 * @var ?array $supported_forms
	 */
	private ?array $supported_forms = null;

	/**
	 * Init class.
	 *
	 * @return void
	 */
	public function init(): void {
		if ( Request::is_xml_rpc() ) {
			// @codeCoverageIgnoreStart
			return;
			// @codeCoverageIgnoreEnd
		}

		$this->load( Install::class );
		$this->load( Migrations::class );
		$this->load( Playground::class );

		$this->load( FormSubmitTime::class );

		add_action( 'plugins_loaded', [ $this, 'init_hooks' ], self::LOAD_PRIORITY );
	}

	/**
	 * Init hooks.
	 *
	 * @return void
	 */
	public function init_hooks(): void {
		( new ErrorHandler() )->init();

		$this->load_textdomain();

		// Register WP-CLI commands.
		if ( Request::is_cli() ) {
			add_action(
				'cli_init',
				static function () {
					WP_CLI::add_command( 'hcaptcha', Commands::class );
				}
			);
		}

		/**
		 *  Filters the settings system initialization arguments.
		 *
		 * @param array $args Settings system initialization arguments.
		 */
		$args = (array) apply_filters( 'hcap_settings_init_args', [] );

		$this->settings = new Settings(
			[
				'hCaptcha' => [
					'classes' => [
						General::class,
						AntiSpamPage::class,
						Integrations::class,
						FormsPage::class,
						EventsPage::class,
						Tools::class,
						SystemInfo::class,
					],
					'args'    => $args,
				],
			]
		);

		if ( wp_doing_cron() ) {
			return;
		}

		$this->load( PluginStats::class );
		$this->load( MaxMindDb::class );
		$this->load( DisposableEmail::class );

		$this->load( Events::class );
		$this->load( Privacy::class );
		$this->load( WhatsNew::class );
		$this->load( Abilities::class );

		add_action( 'plugins_loaded', [ $this, 'load_modules' ], self::LOAD_PRIORITY + 10 );
		add_filter( 'hcap_blacklist_ip', [ $this, 'denylist_ip' ], -PHP_INT_MAX, 2 );
		add_filter( 'hcap_whitelist_ip', [ $this, 'allowlist_ip' ], -PHP_INT_MAX, 2 );
		add_action( 'before_woocommerce_init', [ $this, 'declare_wc_compatibility' ] );

		$this->active = $this->activate_hcaptcha();

		if ( ! $this->active ) {
			return;
		}

		add_filter( 'wp_resource_hints', [ $this, 'prefetch_hcaptcha_dns' ], 10, 2 );
		add_filter( 'wp_headers', [ $this, 'csp_headers' ] );
		add_action( 'wp_head', [ $this, 'print_inline_styles' ] );
		add_action( 'login_head', [ $this, 'print_inline_styles' ] );
		add_action( 'login_head', [ $this, 'login_head' ] );
		add_action( 'wp_print_footer_scripts', [ $this, 'print_footer_scripts' ], 0 );
		add_filter( 'hcap_protect_form', [ $this, 'allow_honeypot_and_fst' ], 10, 3 );
		add_action( 'action_scheduler_ensure_recurring_actions', [ $this, 'register_recurring_actions' ] );

		$this->auto_verify = new AutoVerify();
		$this->auto_verify->init();

		$this->protect_content = new ProtectContent();
		$this->protect_content->init();
	}

	/**
	 * Get a plugin class instance.
	 *
	 * @param string $class_name Class name.
	 *
	 * @return object|null
	 */
	public function get( string $class_name ): ?object {
		return $this->loaded_classes[ $class_name ] ?? null;
	}

	/**
	 * Load a service class.
	 *
	 * @param string $class_name Class name.
	 *
	 * @return void
	 */
	private function load( string $class_name ): void {
		$this->loaded_classes[ $class_name ] = new $class_name();
	}

	/**
	 * Get a Settings instance.
	 *
	 * @return Settings|null
	 */
	public function settings(): ?Settings {
		return $this->settings;
	}

	/**
	 * Check if we have to activate the plugin.
	 *
	 * @return bool
	 */
	private function activate_hcaptcha(): bool {
		$settings = $this->settings();

		/**
		 * Do not load hCaptcha functionality:
		 * - If a user is logged in and the option 'off_when_logged_in' is set;
		 * - For allowlisted IPs;
		 * - When the site key or the secret key is empty (after the first plugin activation).
		 */
		$deactivate = (
			( $settings && $settings->is_on( 'off_when_logged_in' ) && is_user_logged_in() ) ||
			/**
			 * Filters the user IP to check whether it is allowlisted.
			 *
			 * @param bool   $allowlisted IP is allowlisted.
			 * @param string $ip          IP string.
			 */
			apply_filters( 'hcap_whitelist_ip', false, hcap_get_user_ip( false ) ) ||
			( '' === $settings->get_site_key() || '' === $settings->get_secret_key() )
		);

		$activate = ( ! $deactivate ) || $this->is_edit_page();

		/**
		 * Filters the hCaptcha activation flag.
		 *
		 * @param bool $activate Activate the hcaptcha functionality.
		 */
		return (bool) apply_filters( 'hcap_activate', $activate );
	}

	/**
	 * Whether we are on the admin edit page for a component and component is active.
	 *
	 * @return bool
	 */
	private function is_edit_page(): bool {
		$settings   = $this->settings();
		$components = [
			'beaver_builder',
			'cf7',
			'elementor_pro',
			'gravity',
			'fluent',
			'forminator',
			'formidable_forms',
			'ninja',
			'wpforms',
		];

		return array_reduce(
			$components,
			static function ( $carry, $component ) use ( $settings ) {
				$method = 'is_' . $component . '_edit_page';

				if (
					! method_exists( Pages::class, $method ) ||
					empty( $settings->get( $component . '_status' ) )
				) {
					return $carry;
				}

				return $carry || Pages::$method();
			},
			false
		);
	}

	/**
	 * Prefetch hCaptcha dns.
	 * We cannot control if hCaptcha form is shown here, as this is hooked on wp_head.
	 * So, we always prefetch hCaptcha dns if hCaptcha is active, but it is a small overhead.
	 *
	 * @param array|mixed $urls          URLs to print for resource hints.
	 * @param string      $relation_type The relation type the URLs are printed for.
	 *
	 * @return array
	 */
	public function prefetch_hcaptcha_dns( $urls, string $relation_type ): array {
		$urls = (array) $urls;

		/**
		 * Filters whether to print hCaptcha scripts.
		 *
		 * @param bool $status Current print status.
		 */
		if ( ( 'dns-prefetch' === $relation_type ) && apply_filters( 'hcap_print_hcaptcha_scripts', true ) ) {
			$urls[] = 'https://hcaptcha.com';
		}

		return $urls;
	}

	/**
	 * Add Content Security Policy (CSP) headers.
	 *
	 * @param array|mixed $headers Headers.
	 *
	 * @return array
	 */
	public function csp_headers( $headers ): array {
		$headers = (array) $headers;

		/**
		 * Filters whether to add Content Security Policy (CSP) headers.
		 *
		 * @param bool  $add_csp_headers Add Content Security Policy (CSP) headers.
		 * @param array $headers         Current headers.
		 */
		if ( ! apply_filters( 'hcap_add_csp_headers', false, $headers ) ) {
			return $headers;
		}

		$keys_lower    = array_map( 'strtolower', array_keys( $headers ) );
		$csp_key       = 'Content-Security-Policy';
		$csp_key_lower = strtolower( $csp_key );

		if ( ! in_array( $csp_key_lower, $keys_lower, true ) ) {
			return $headers;
		}

		$hcap_src     = "'self' 'unsafe-inline' 'unsafe-eval' https://hcaptcha.com https://*.hcaptcha.com";
		$hcap_csp     = "script-src $hcap_src; frame-src $hcap_src; style-src $hcap_src; connect-src $hcap_src";
		$hcap_csp_arr = $this->parse_csp( $hcap_csp );

		foreach ( $headers as $key => $header ) {
			if ( strtolower( $key ) === $csp_key_lower ) {
				$hcap_csp_arr = $this->merge_csp( $hcap_csp_arr, $this->parse_csp( $header ) );
			}
		}

		$hcap_csp_headers = [];

		foreach ( $hcap_csp_arr as $key => $value ) {
			$hcap_csp_headers[] = $key . ' ' . implode( ' ', $value );
		}

		/**
		 * Filters the Content Security Policy (CSP) headers.
		 *
		 * @param string $hcap_csp_headers Content Security Policy (CSP) headers.
		 */
		$hcap_csp_headers = (array) apply_filters( 'hcap_csp_headers', $hcap_csp_headers );

		$headers[ $csp_key ] = implode( '; ', $hcap_csp_headers );

		return $headers;
	}

	/**
	 * Parse csp header.
	 *
	 * @param string $csp CSP header.
	 *
	 * @return array
	 */
	private function parse_csp( string $csp ): array {
		$csp_subheaders = explode( ';', $csp );
		$csp_arr        = [];

		foreach ( $csp_subheaders as $csp_subheader ) {
			$csp_subheader_arr = explode( ' ', trim( $csp_subheader ) );
			$key               = (string) array_shift( $csp_subheader_arr );
			$csp_arr[ $key ]   = $csp_subheader_arr;
		}

		unset( $csp_arr[''] );

		return array_filter( $csp_arr );
	}

	/**
	 * Merge csp headers.
	 *
	 * @param array $csp_arr1 CSP headers array 1.
	 * @param array $csp_arr2 CSP headers array 2.
	 *
	 * @return array
	 */
	private function merge_csp( array $csp_arr1, array $csp_arr2 ): array {
		$csp  = [];
		$keys = array_unique( array_merge( array_keys( $csp_arr1 ), array_keys( $csp_arr2 ) ) );

		foreach ( $keys as $key ) {
			$csp1        = $csp_arr1[ $key ] ?? [];
			$csp2        = $csp_arr2[ $key ] ?? [];
			$csp[ $key ] = array_unique( array_merge( $csp1, $csp2 ) );
		}

		return $csp;
	}

	/**
	 * Print inline styles.
	 *
	 * @return void
	 * @noinspection CssUnusedSymbol
	 * @noinspection CssUnknownTarget
	 */
	public function print_inline_styles(): void {
		/**
		 * Filters whether to print hCaptcha scripts.
		 *
		 * @param bool $status Current print status.
		 */
		if ( ! apply_filters( 'hcap_print_hcaptcha_scripts', true ) ) {
			return;
		}

		$settings                = $this->settings();
		$div_logo_url            = HCAPTCHA_URL . '/assets/images/hcaptcha-div-logo.svg';
		$div_logo_white_url      = HCAPTCHA_URL . '/assets/images/hcaptcha-div-logo-white.svg';
		$custom_theme_background = $settings ? $settings->get_custom_theme_background() : '';
		$bg                      = $custom_theme_background ?: 'initial';
		$delay                   = (int) ( $settings->get( 'delay' ) ?: 0 );
		$animation_delay         = $delay >= 0 ? $delay / 100 + 2 : 2;
		$load_msg                = $delay >= 0
			? __( 'If you see this message, hCaptcha failed to load due to site errors.', 'hcaptcha-for-forms-and-more' )
			: __( 'The hCaptcha loading is delayed until user interaction.', 'hcaptcha-for-forms-and-more' );

		/* language=CSS */
		$css = '
	.h-captcha {
		position: relative;
		display: block;
		margin-bottom: 2rem;
		padding: 0;
		clear: both;
	}

	.h-captcha[data-size="normal"] {
		width: 302px;
		height: 76px;
	}

	.h-captcha[data-size="compact"] {
		width: 158px;
		height: 138px;
	}

	.h-captcha[data-size="invisible"] {
		display: none;
	}

	.h-captcha iframe {
		z-index: 1;
	}

	.h-captcha::before {
		content: "";
		display: block;
		position: absolute;
		top: 0;
		left: 0;
		background: url( ' . $div_logo_url . ' ) no-repeat;
		border: 1px solid transparent;
		border-radius: 4px;
		box-sizing: border-box;
	}

	.h-captcha::after {
		content: "' . $load_msg . '";
	    font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", Arial, sans-serif;
	    font-size: 10px;
	    font-weight: 500;
		position: absolute;
		top: 0;
		bottom: 0;
		left: 0;
		right: 0;
		box-sizing: border-box;
        color: #bf1722;
		opacity: 0;
	}

	.h-captcha:not(:has(iframe))::after {
		animation: hcap-msg-fade-in .3s ease forwards;
		animation-delay: ' . $animation_delay . 's;
	}
	
	.h-captcha:has(iframe)::after {
		animation: none;
		opacity: 0;
	}
	
	@keyframes hcap-msg-fade-in {
		to { opacity: 1; }
	}

	.h-captcha[data-size="normal"]::before {
		width: 302px;
		height: 76px;
		background-position: 93.8% 28%;
	}

	.h-captcha[data-size="normal"]::after {
		width: 302px;
	    height: 76px;
	    display: flex;
	    flex-wrap: wrap;
	    align-content: center;
        line-height: normal;
	    padding: 0 75px 0 10px;
	}

	.h-captcha[data-size="compact"]::before {
		width: 158px;
		height: 138px;
		background-position: 49.9% 78.8%;
	}

	.h-captcha[data-size="compact"]::after {
		width: 158px;
		height: 138px;
		text-align: center;
		line-height: normal;
		padding: 24px 10px 10px 10px;
	}

	.h-captcha[data-theme="light"]::before,
	body.is-light-theme .h-captcha[data-theme="auto"]::before,
	.h-captcha[data-theme="auto"]::before {
		background-color: #fafafa;
		border: 1px solid #e0e0e0;
	}

	.h-captcha[data-theme="dark"]::before,
	body.is-dark-theme .h-captcha[data-theme="auto"]::before,
	html.wp-dark-mode-active .h-captcha[data-theme="auto"]::before,
	html.drdt-dark-mode .h-captcha[data-theme="auto"]::before {
		background-image: url( ' . $div_logo_white_url . ' );
		background-repeat: no-repeat;
		background-color: #333;
		border: 1px solid #f5f5f5;
	}

	@media (prefers-color-scheme: dark) {
		.h-captcha[data-theme="auto"]::before {
			background-image: url( ' . $div_logo_white_url . ' );
			background-repeat: no-repeat;
			background-color: #333;
			border: 1px solid #f5f5f5;			
		}
	}

	.h-captcha[data-theme="custom"]::before {
		background-color: ' . $bg . ';
	}

	.h-captcha[data-size="invisible"]::before,
	.h-captcha[data-size="invisible"]::after {
		display: none;
	}

	.h-captcha iframe {
		position: relative;
	}

	div[style*="z-index: 2147483647"] div[style*="border-width: 11px"][style*="position: absolute"][style*="pointer-events: none"] {
		border-style: none;
	}
';

		HCaptcha::css_display( $css );
	}

	/**
	 * Print styles to fit the hcaptcha widget to the login form.
	 *
	 * @return void
	 * @noinspection CssUnusedSymbol
	 */
	public function login_head(): void {
		/**
		 * Filters whether to print hCaptcha scripts.
		 *
		 * @param bool $status Current print status.
		 */
		if ( ! apply_filters( 'hcap_print_hcaptcha_scripts', true ) ) {
			return;
		}

		/* language=CSS */
		$css = '
	@media (max-width: 349px) {
		.h-captcha {
			display: flex;
			justify-content: center;
		}
		.h-captcha[data-size="normal"] {
			scale: calc(270 / 302);
		    transform: translate(-20px, 0);
		}
	}

	@media (min-width: 350px) {
		body #login {
			width: 350px;
			box-sizing: content-box;
		}
	}
';

		HCaptcha::css_display( $css );
	}

	/**
	 * Get API url.
	 *
	 * @return string
	 */
	public function get_api_url(): string {
		$settings = $this->settings();
		$api_host = trim( $settings ? $settings->get( 'api_host' ) : '' ) ?: self::API_HOST;

		/**
		 * Filters the API host.
		 *
		 * @param string $api_host API host.
		 */
		$api_host = (string) apply_filters( 'hcap_api_host', $api_host );

		$api_host = $this->force_https( $api_host );

		return "$api_host/1/api.js";
	}

	/**
	 * Force https in the hostname.
	 *
	 * @param string $host Hostname. Could be with http|https scheme, or without it.
	 *
	 * @return string
	 */
	private function force_https( string $host ): string {
		$host = preg_replace( '#(http|https)://#', '', $host );

		// We need to add a scheme here, otherwise wp_parse_url returns null.
		$host = (string) wp_parse_url( 'https://' . $host, PHP_URL_HOST );

		return 'https://' . $host;
	}

	/**
	 * Get the API source url with params.
	 *
	 * @return string
	 */
	public function get_api_src(): string {
		$params = [
			'onload' => 'hCaptchaOnLoad',
			'render' => 'explicit',
		];

		$settings = $this->settings();

		if ( $settings && $settings->is_on( 'recaptcha_compat_off' ) ) {
			$params['recaptchacompat'] = 'off';
		}

		if ( $settings && $settings->is_on( 'custom_themes' ) && $settings->is_pro_or_general() ) {
			$params['custom'] = 'true';
		}

		$enterprise_params = [
			'asset_host' => 'assethost',
			'endpoint'   => 'endpoint',
			'host'       => 'host',
			'image_host' => 'imghost',
			'report_api' => 'reportapi',
			'sentry'     => 'sentry',
		];

		foreach ( $enterprise_params as $enterprise_param => $enterprise_arg ) {
			$value = trim( $settings ? $settings->get( $enterprise_param ) : '' );

			if ( $value ) {
				$params[ $enterprise_arg ] = rawurlencode( $this->force_https( $value ) );
			}
		}

		/**
		 * Filters the API source url with params.
		 *
		 * @param string $api_src API source url with params.
		 */
		return (string) apply_filters( 'hcap_api_src', add_query_arg( $params, $this->get_api_url() ) );
	}

	/**
	 * Get verify url.
	 *
	 * @return string
	 */
	public function get_verify_url(): string {
		$settings    = $this->settings();
		$verify_host = trim( $settings ? $settings->get( 'backend' ) : '' ) ?: self::VERIFY_HOST;

		/**
		 * Filters the verification host.
		 *
		 * @param string $verify_host Verification host.
		 */
		$verify_host = (string) apply_filters( 'hcap_verify_host', $verify_host );

		$verify_host = $this->force_https( $verify_host );

		return "$verify_host/siteverify";
	}

	/**
	 * Get check site config url.
	 *
	 * @return string
	 */
	public function get_check_site_config_url(): string {
		$settings    = $this->settings();
		$verify_host = trim( $settings ? $settings->get( 'backend' ) : '' ) ?: self::VERIFY_HOST;

		/** This filter is documented above. */
		$verify_host = (string) apply_filters( 'hcap_verify_host', $verify_host );

		$verify_host = $this->force_https( $verify_host );

		return "$verify_host/checksiteconfig";
	}

	/**
	 * Add the hCaptcha script to the footer.
	 *
	 * @return void
	 */
	public function print_footer_scripts(): void {
		$settings = $this->settings();

		if ( $settings ) {
			$params   = [
				'sitekey' => $settings->get_site_key(),
				'theme'   => $settings->get_theme(),
				'size'    => $settings->get( 'size' ),
			];
			$language = $settings->get_language();

			// Fix auto-detection of hCaptcha language.
			$language = $language ?: HCaptcha::get_hcap_locale();

			if ( $language ) {
				$params['hl'] = $language;
			}

			$config_params = $settings->is_on( 'custom_themes' ) && $settings->is_pro_or_general()
				? $settings->get_config_params()
				: [];

			$params = array_merge( $params, $config_params );

			// Output the params object, regardless of whether hCaptcha scripts are enqueued.
			wp_print_inline_script_tag(
				'var ' . self::OBJECT . ' = ' . wp_json_encode( [ 'params' => wp_json_encode( $params ) ] ) . ';'
			);
		}

		$status = $this->form_shown;

		/**
		 * Filters whether to print hCaptcha scripts.
		 *
		 * @param bool $status Current print status.
		 */
		if ( ! apply_filters( 'hcap_print_hcaptcha_scripts', $status ) ) {
			return;
		}

		if ( ! $settings ) {
			return;
		}

		/**
		 * Filters delay time for the hCaptcha API script.
		 *
		 * Any negative value will prevent the API script from loading
		 * until user interaction: mouseenter, click, scroll, or touch.
		 * This significantly improves Google Pagespeed Insights score.
		 *
		 * @param int $delay Number of milliseconds to delay hCaptcha API script.
		 *                   Any negative value means delay until user interaction.
		 */
		$delay = (int) apply_filters( 'hcap_delay_api', (int) ( $settings->get( 'delay' ) ) );

		// This delayed script will be waiting for the hCaptchaBeforeAPI event fired by the self::HANDLE script.
		DelayedScript::launch( [ 'src' => $this->get_api_src() ], $delay );

		wp_register_script(
			self::HANDLE,
			HCAPTCHA_URL . '/assets/js/apps/hcaptcha.js',
			[ self::WP_HOOKS_HANDLE ],
			HCAPTCHA_VERSION,
			true
		);

		DelayedScript::enqueue( self::HANDLE );
	}

	/**
	 * Allow honeypot and FST on the supported forms only.
	 * At this moment, only some forms can use honeypot and fst anti-spam token protection.
	 * The supported list will be extended in the future.
	 *
	 * @param bool|mixed $value   The protection status of a form.
	 * @param string[]   $source  The source of the form (plugin, theme, WordPress Core).
	 * @param int|string $form_id Form id.
	 *
	 * @return bool
	 * @noinspection PhpUnusedParameterInspection
	 */
	public function allow_honeypot_and_fst( $value, array $source, $form_id ): bool {
		$value = (bool) $value;

		$settings = hcaptcha()->settings();

		if ( null === $this->supported_forms ) {
			$this->supported_forms = [];

			// Use honeypot protection info only, as FST is always added for honeypot forms.
			$honeypot_protected_forms = Honeypot::get_protected_forms()['honeypot'];
			$honeypot_statuses        = [];

			foreach ( $honeypot_protected_forms as $status => $forms ) {
				foreach ( $forms as $form ) {
					$honeypot_statuses[] = [ $status, $form ];
				}

				$honeypot_statuses[] = [ $status, null ];
			}

			foreach ( $this->modules as $module ) {
				[ $module_status, $module_source ] = $module;

				if ( ! in_array( $module_status, $honeypot_statuses, true ) ) {
					continue;
				}

				$module_source = (array) $module_source;
				$module_source = [ '' ] === $module_source ? [ 'WordPress' ] : $module_source;

				$this->supported_forms[] = $module_source;
			}

			$this->supported_forms = array_merge(
				array_unique( $this->supported_forms, SORT_REGULAR ),
				[
					[ General::class ], // General settings page.
					[ $settings ? $settings->get_plugin_name() : '' ], // Protect Content.
				]
			);
		}

		if ( $settings && $source && ! in_array( $source, $this->supported_forms, true ) ) {
			$settings->set( 'honeypot', [ '' ] );
			$settings->set( 'set_min_submit_time', [ '' ] );
		}

		return $value;
	}

	/**
	 * Register recurring actions.
	 *
	 * @return void
	 */
	public function register_recurring_actions(): void {
		// Check if Action Scheduler is available.
		if ( ! function_exists( 'as_schedule_recurring_action' ) ) {
			return;
		}

		$gmt_offset   = get_option( 'gmt_offset' );
		$offset_hours = ( $gmt_offset > 0 ? '-' : '+' ) . absint( $gmt_offset ) . ' hours';
		$tomorrow_6am = strtotime( 'tomorrow 06:00 am ' . $offset_hours );

		// Update Maxmind database every 15 days.
		as_schedule_recurring_action(
			$tomorrow_6am,
			15 * DAY_IN_SECONDS,
			'hcap_update_maxmind_db',
			[],
			'hcaptcha',
			true
		);
	}

	/**
	 * Declare compatibility with WC features.
	 *
	 * @return void
	 */
	public function declare_wc_compatibility(): void {
		// @codeCoverageIgnoreStart
		if ( class_exists( FeaturesUtil::class ) ) {
			FeaturesUtil::declare_compatibility( 'custom_order_tables', constant( 'HCAPTCHA_FILE' ) );
		}
		// @codeCoverageIgnoreEnd
	}

	/**
	 * Filter the user IP to check if it is denylisted.
	 * For denylisted IPs, any form submission fails.
	 *
	 * @param bool|mixed   $denylisted Whether IP is denylisted.
	 * @param string|false $client_ip   Client IP.
	 *
	 * @return bool
	 */
	public function denylist_ip( $denylisted, $client_ip ): bool {
		$denylisted = (bool) $denylisted;

		$settings = $this->settings();

		$ips = explode(
			"\n",
			$settings ? $settings->get( 'blacklisted_ips' ) : ''
		);

		foreach ( $ips as $ip ) {
			if ( Request::is_ip_in_range( $client_ip, $ip ) ) {
				return true;
			}
		}

		if ( $this->is_ip_in_listed_countries( $client_ip, 'blacklisted_countries' ) ) {
			return true;
		}

		return $denylisted;
	}

	/**
	 * Filter user IP to check if it is allowlisted.
	 * For allowlisted IPs, hCaptcha will not be shown.
	 *
	 * @param bool|mixed   $allowlisted Whether IP is allowlisted.
	 * @param string|false $client_ip   Client IP.
	 *
	 * @return bool|mixed
	 */
	public function allowlist_ip( $allowlisted, $client_ip ) {
		$settings = $this->settings();

		$ips = explode(
			"\n",
			$settings ? $settings->get( 'whitelisted_ips' ) : ''
		);

		foreach ( $ips as $ip ) {
			if ( Request::is_ip_in_range( $client_ip, $ip ) ) {
				return true;
			}
		}

		if ( $this->is_ip_in_listed_countries( $client_ip, 'whitelisted_countries' ) ) {
			return true;
		}

		return $allowlisted;
	}

	/**
	 * Whether a client IP belongs to a listed country.
	 *
	 * @param string|false $client_ip Client IP.
	 * @param string       $key       List key.
	 *
	 * @return bool
	 */
	private function is_ip_in_listed_countries( $client_ip, string $key ): bool {
		$settings = $this->settings;

		$countries = (array) ( $settings ? $settings->get( $key ) : [] );
		$countries = array_filter( $countries );

		if ( ! $countries ) {
			return false;
		}

		$country = $this->get_client_country_code( $client_ip );

		return in_array( $country, $countries, true );
	}

	/**
	 * Get client country code.
	 *
	 * @param string|false $client_ip Client IP.
	 *
	 * @return string
	 */
	private function get_client_country_code( $client_ip = false ): string {
		if ( ! $client_ip ) {
			return '';
		}

		$db_path = $this->get_maxmind_db_path();

		if ( ! $db_path ) {
			return '';
		}

		try {
			$reader  = new Reader( $db_path );
			$record  = $reader->country( $client_ip );
			$country = strtoupper( trim( (string) ( $record->country->isoCode ?? '' ) ) );

			$reader->close();

			return $country;
		} catch ( Throwable $e ) {
			return '';
		}
	}

	/**
	 * Get MaxMind DB path.
	 *
	 * @return string
	 */
	private function get_maxmind_db_path(): string {
		$default_paths = [
			WP_CONTENT_DIR . '/uploads/hcaptcha/GeoLite2-Country.mmdb',
			WP_CONTENT_DIR . '/uploads/woocommerce_uploads/GeoLite2-Country.mmdb',
		];

		/**
		 * Filters MaxMind country DB path.
		 *
		 * @param string $path Path to *.mmdb file.
		 */
		$path = (string) apply_filters( 'hcap_maxmind_db_path', '' );

		if ( $path && is_readable( $path ) ) {
			return $path;
		}

		foreach ( $default_paths as $default_path ) {
			if ( is_readable( $default_path ) ) {
				return $default_path;
			}
		}

		return '';
	}

	/**
	 * Load plugin modules.
	 *
	 * @return void
	 */
	public function load_modules(): void {
		/**
		 * Plugins modules.
		 *
		 * @var                  $modules      {
		 *
		 * @type string[]        $module0      {
		 * @type string          $option_name  Option name.
		 * @type string          $option_value Option value.
		 *                                     }
		 * @type string|string[] $module1      Plugins to be active. For WP core features, an empty string.
		 * @type string|string[] $module2      Required hCaptcha plugin classes.
		 *                                     }
		 */
		$this->modules = [
			'Comment Form'                         => [
				[ 'wp_status', 'comment' ],
				'',
				WP\Comment::class,
			],
			'Login Form'                           => [
				[ 'wp_status', 'login' ],
				'',
				[ WP\Login::class, WP\LoginOut::class ],
			],
			'Lost Password Form'                   => [
				[ 'wp_status', 'lost_pass' ],
				'',
				WP\LostPassword::class,
			],
			'Post/Page Password Form'              => [
				[ 'wp_status', 'password_protected' ],
				'',
				WP\PasswordProtected::class,
			],
			'Register Form'                        => [
				[ 'wp_status', 'register' ],
				'',
				WP\Register::class,
			],
			'ACF Extended Form'                    => [
				[ 'acfe_status', 'form' ],
				[ 'acf-extended-pro/acf-extended.php', 'acf-extended/acf-extended.php' ],
				ACFE\Form::class,
			],
			'Affiliates Login'                     => [
				[ 'affiliates_status', 'login' ],
				'affiliates/affiliates.php',
				Affiliates\Login::class,
			],
			'Affiliates Register'                  => [
				[ 'affiliates_status', 'register' ],
				'affiliates/affiliates.php',
				Affiliates\Register::class,
			],
			'Asgaros Form'                         => [
				[ 'asgaros_status', 'form' ],
				'asgaros-forum/asgaros-forum.php',
				Asgaros\Form::class,
			],
			'Avada Form'                           => [
				[ 'avada_status', 'form' ],
				'Avada',
				Avada\Form::class,
			],
			'Back In Stock Notifier Form'          => [
				[ 'back_in_stock_notifier_status', 'form' ],
				'back-in-stock-notifier-for-woocommerce/cwginstocknotifier.php',
				BackInStockNotifier\Form::class,
			],
			'bbPress Login Form'                   => [
				[ 'bbp_status', null ],
				'bbpress/bbpress.php',
				BBPress\Login::class,
			],
			'bbPress Lost Password Form'           => [
				[ 'bbp_status', 'lost_pass' ],
				'bbpress/bbpress.php',
				BBPress\LostPassword::class,
			],
			'bbPress New Topic'                    => [
				[ 'bbp_status', 'new_topic' ],
				'bbpress/bbpress.php',
				BBPress\NewTopic::class,
			],
			'bbPress Register Form'                => [
				[ 'bbp_status', 'register' ],
				'bbpress/bbpress.php',
				BBPress\Register::class,
			],
			'bbPress Reply'                        => [
				[ 'bbp_status', 'reply' ],
				'bbpress/bbpress.php',
				BBPress\Reply::class,
			],
			'Beaver Builder Contact Form'          => [
				[ 'beaver_builder_status', 'contact' ],
				'bb-plugin/fl-builder.php',
				BeaverBuilder\Contact::class,
			],
			'Beaver Builder Login Form'            => [
				[ 'beaver_builder_status', 'login' ],
				'bb-plugin/fl-builder.php',
				BeaverBuilder\Login::class,
			],
			'Blocksy Newsletter Subscribe'         => [
				[ 'blocksy_status', 'newsletter_subscribe' ],
				'blocksy',
				Blocksy\NewsletterSubscribe::class,
			],
			'Blocksy Product Review'               => [
				[ 'blocksy_status', 'product_review' ],
				'blocksy',
				Blocksy\ProductReview::class,
			],
			'Blocksy Wait List'                    => [
				[ 'blocksy_status', 'waitlist' ],
				'blocksy',
				Blocksy\Waitlist::class,
			],
			'Brizy Form'                           => [
				[ 'brizy_status', 'form' ],
				'brizy/brizy.php',
				Brizy\Form::class,
			],
			'BuddyPress Create Group'              => [
				[ 'bp_status', 'create_group' ],
				'buddypress/bp-loader.php',
				BuddyPress\CreateGroup::class,
			],
			'BuddyPress Register'                  => [
				[ 'bp_status', 'registration' ],
				'buddypress/bp-loader.php',
				BuddyPress\Register::class,
			],
			'Classified Listing Contact'           => [
				[ 'classified_listing_status', 'contact' ],
				'classified-listing/classified-listing.php',
				ClassifiedListing\Contact::class,
			],
			'Classified Listing Login'             => [
				[ 'classified_listing_status', 'login' ],
				'classified-listing/classified-listing.php',
				ClassifiedListing\Login::class,
			],
			'Classified Listing Lost Password'     => [
				[ 'classified_listing_status', 'lost_pass' ],
				'classified-listing/classified-listing.php',
				ClassifiedListing\LostPassword::class,
			],
			'Classified Listing Register'          => [
				[ 'classified_listing_status', 'register' ],
				'classified-listing/classified-listing.php',
				ClassifiedListing\Register::class,
			],
			'CoBlocks Form'                        => [
				[ 'coblocks_status', 'form' ],
				'coblocks/class-coblocks.php',
				CoBlocks\Form::class,
			],
			'Colorlib Customizer Login'            => [
				[ 'colorlib_customizer_status', 'login' ],
				'colorlib-login-customizer/colorlib-login-customizer.php',
				ColorlibCustomizer\Login::class,
			],
			'Colorlib Customizer Lost Password'    => [
				[ 'colorlib_customizer_status', 'lost_pass' ],
				'colorlib-login-customizer/colorlib-login-customizer.php',
				ColorlibCustomizer\LostPassword::class,
			],
			'Colorlib Customizer Register'         => [
				[ 'colorlib_customizer_status', 'register' ],
				'colorlib-login-customizer/colorlib-login-customizer.php',
				ColorlibCustomizer\Register::class,
			],
			'Contact Form 7'                       => [
				[ 'cf7_status', null ],
				'contact-form-7/wp-contact-form-7.php',
				[ CF7::class, Admin::class, ReallySimpleCaptcha::class ],
			],
			'Customer Reviews for WC Question'     => [
				[ 'customer_reviews_status', 'q&a' ],
				'customer-reviews-woocommerce/ivole.php',
				[ CustomerReviews\QuestionAnswer::class ],
			],
			'Customer Reviews for WC Review'       => [
				[ 'customer_reviews_status', 'review' ],
				'customer-reviews-woocommerce/ivole.php',
				[ CustomerReviews\Review::class ],
			],
			'Divi Comment Form'                    => [
				[ 'divi_status', 'comment' ],
				'Divi',
				[ Divi\Comment::class, WP\Comment::class ],
			],
			'Divi Contact Form'                    => [
				[ 'divi_status', 'contact' ],
				'Divi',
				Divi\Contact::class,
			],
			'Divi Email Optin Form'                => [
				[ 'divi_status', 'email_optin' ],
				'Divi',
				Divi\EmailOptin::class,
			],
			'Divi Login Form'                      => [
				[ 'divi_status', null ],
				'Divi',
				[ Divi\Login::class ],
			],
			'Divi Builder Comment Form'            => [
				[ 'divi_builder_status', 'comment' ],
				'divi-builder/divi-builder.php',
				[ Divi\Comment::class, WP\Comment::class ],
			],
			'Divi Builder Contact Form'            => [
				[ 'divi_builder_status', 'contact' ],
				'divi-builder/divi-builder.php',
				Divi\Contact::class,
			],
			'Divi Builder Email Optin Form'        => [
				[ 'divi_builder_status', 'email_optin' ],
				'divi-builder/divi-builder.php',
				Divi\EmailOptin::class,
			],
			'Divi Builder Login Form'              => [
				[ 'divi_builder_status', null ],
				'divi-builder/divi-builder.php',
				[ Divi\Login::class ],
			],
			'Download Manager'                     => [
				[ 'download_manager_status', 'button' ],
				'download-manager/download-manager.php',
				DownloadManager::class,
			],
			'Easy Digital Downloads Checkout'      => [
				[ 'easy_digital_downloads_status', 'checkout' ],
				'easy-digital-downloads/easy-digital-downloads.php',
				EasyDigitalDownloads\Checkout::class,
			],
			'Easy Digital Downloads Login'         => [
				[ 'easy_digital_downloads_status', 'login' ],
				'easy-digital-downloads/easy-digital-downloads.php',
				EasyDigitalDownloads\Login::class,
			],
			'Easy Digital Downloads Lost Password' => [
				[ 'easy_digital_downloads_status', 'lost_pass' ],
				'easy-digital-downloads/easy-digital-downloads.php',
				EasyDigitalDownloads\LostPassword::class,
			],
			'Easy Digital Downloads Register'      => [
				[ 'easy_digital_downloads_status', 'register' ],
				'easy-digital-downloads/easy-digital-downloads.php',
				EasyDigitalDownloads\Register::class,
			],
			'Elementor Pro Form'                   => [
				[ 'elementor_pro_status', 'form' ],
				'elementor-pro/elementor-pro.php',
				HCaptchaHandler::class,
			],
			'Elementor Pro Login'                  => [
				[ 'elementor_pro_status', null ],
				'elementor-pro/elementor-pro.php',
				ElementorPro\Login::class,
			],
			'Essential Addons Login'               => [
				[ 'essential_addons_status', 'login' ],
				[
					'essential-addons-elementor/essential_adons_elementor.php',
					'essential-addons-for-elementor-lite/essential_adons_elementor.php',
				],
				EssentialAddons\Login::class,
			],
			'Essential Addons Register'            => [
				[ 'essential_addons_status', 'register' ],
				[
					'essential-addons-elementor/essential_adons_elementor.php',
					'essential-addons-for-elementor-lite/essential_adons_elementor.php',
				],
				EssentialAddons\Register::class,
			],
			'Essential Blocks Form'                => [
				[ 'essential_blocks_status', 'form' ],
				'essential-blocks/essential-blocks.php',
				EssentialBlocks\Form::class,
			],
			'Events Manager'                       => [
				[ 'events_manager_status', 'booking' ],
				'events-manager/events-manager.php',
				Booking::class,
			],
			'Extra Comment Form'                   => [
				[ 'extra_status', 'comment' ],
				'Extra',
				[ Divi\Comment::class, WP\Comment::class ],
			],
			'Extra Contact Form'                   => [
				[ 'extra_status', 'contact' ],
				'Extra',
				Divi\Contact::class,
			],
			'Extra Email Optin Form'               => [
				[ 'extra_status', 'email_optin' ],
				'Extra',
				Divi\EmailOptin::class,
			],
			'Extra Login Form'                     => [
				[ 'extra_status', null ],
				'Extra',
				[ Divi\Login::class ],
			],
			'Fluent Forms'                         => [
				[ 'fluent_status', 'form' ],
				[ 'fluentformpro/fluentformpro.php', 'fluentform/fluentform.php' ],
				FluentForm\Form::class,
			],
			'Formidable Forms'                     => [
				[ 'formidable_forms_status', 'form' ],
				'formidable/formidable.php',
				FormidableForms\Form::class,
			],
			'Forminator'                           => [
				[ 'forminator_status', 'form' ],
				'forminator/forminator.php',
				Forminator\Form::class,
			],
			'GiveWP'                               => [
				[ 'give_wp_status', 'form' ],
				'give/give.php',
				GiveWP\Form::class,
			],
			'Gravity Forms'                        => [
				[ 'gravity_status', null ],
				'gravityforms/gravityforms.php',
				[ GravityForms\Form::class, GravityForms\Field::class ],
			],
			'HTML Forms'                           => [
				[ 'html_forms_status', 'form' ],
				'html-forms/html-forms.php',
				HTMLForms\Form::class,
			],
			'Icegram Express'                      => [
				[ 'icegram_express_status', 'form' ],
				'email-subscribers/email-subscribers.php',
				IcegramExpress\Form::class,
			],
			'Jetpack'                              => [
				[ 'jetpack_status', 'contact' ],
				'jetpack/jetpack.php',
				Jetpack\Form::class,
			],
			'Kadence Form'                         => [
				[ 'kadence_status', 'form' ],
				'kadence-blocks/kadence-blocks.php',
				Kadence\Form::class,
			],
			'Kadence Advanced Form'                => [
				[ 'kadence_status', 'advanced_form' ],
				'kadence-blocks/kadence-blocks.php',
				Kadence\AdvancedForm::class,
			],
			'LearnDash Login Form'                 => [
				[ 'learn_dash_status', 'login' ],
				'sfwd-lms/sfwd_lms.php',
				LearnDash\Login::class,
			],
			'LearnDash Lost Password Form'         => [
				[ 'learn_dash_status', 'lost_pass' ],
				'sfwd-lms/sfwd_lms.php',
				LearnDash\LostPassword::class,
			],
			'LearnDash Register Form'              => [
				[ 'learn_dash_status', 'register' ],
				'sfwd-lms/sfwd_lms.php',
				LearnDash\Register::class,
			],
			'LearnPress Checkout'                  => [
				[ 'learn_press_status', 'checkout' ],
				'learnpress/learnpress.php',
				LearnPress\Checkout::class,
			],
			'LearnPress Login'                     => [
				[ 'learn_press_status', 'login' ],
				'learnpress/learnpress.php',
				LearnPress\Login::class,
			],
			'LearnPress Register'                  => [
				[ 'learn_press_status', 'register' ],
				'learnpress/learnpress.php',
				LearnPress\Register::class,
			],
			'Login/Signup Popup Login Form'        => [
				[ 'login_signup_popup_status', 'login' ],
				'easy-login-woocommerce/xoo-el-main.php',
				LoginSignupPopup\Login::class,
			],
			'Login/Signup Popup Register Form'     => [
				[ 'login_signup_popup_status', 'register' ],
				'easy-login-woocommerce/xoo-el-main.php',
				LoginSignupPopup\Register::class,
			],
			'MailChimp'                            => [
				[ 'mailchimp_status', 'form' ],
				'mailchimp-for-wp/mailchimp-for-wp.php',
				Mailchimp\Form::class,
			],
			'MailPoet'                             => [
				[ 'mailpoet_status', 'form' ],
				'mailpoet/mailpoet.php',
				MailPoet\Form::class,
			],
			'Maintenance Login'                    => [
				[ 'maintenance_status', 'login' ],
				'maintenance/maintenance.php',
				Maintenance\Login::class,
			],
			'MemberPress Login'                    => [
				[ 'memberpress_status', 'login' ],
				'memberpress/memberpress.php',
				MemberPress\Login::class,
			],
			'MemberPress Register'                 => [
				[ 'memberpress_status', 'register' ],
				'memberpress/memberpress.php',
				MemberPress\Register::class,
			],
			'Ninja Forms'                          => [
				[ 'ninja_status', 'form' ],
				'ninja-forms/ninja-forms.php',
				NF::class,
			],
			'Otter Blocks'                         => [
				[ 'otter_status', 'form' ],
				'otter-blocks/otter-blocks.php',
				Otter\Form::class,
			],
			'Paid Memberships Pro Checkout'        => [
				[ 'paid_memberships_pro_status', 'checkout' ],
				'paid-memberships-pro/paid-memberships-pro.php',
				PaidMembershipsPro\Checkout::class,
			],
			'Paid Memberships Pro Login'           => [
				[ 'paid_memberships_pro_status', null ],
				'paid-memberships-pro/paid-memberships-pro.php',
				PaidMembershipsPro\Login::class,
			],
			'Passster Protect'                     => [
				[ 'passster_status', 'protect' ],
				'content-protector/content-protector.php',
				Passster\Protect::class,
			],
			'Password Protected Protect'           => [
				[ 'password_protected_status', 'protect' ],
				'password-protected/password-protected.php',
				PasswordProtected\Protect::class,
			],
			'Profile Builder Login'                => [
				[ 'profile_builder_status', 'login' ],
				'profile-builder/index.php',
				ProfileBuilder\Login::class,
			],
			'Profile Builder Register'             => [
				[ 'profile_builder_status', 'register' ],
				'profile-builder/index.php',
				ProfileBuilder\Register::class,
			],
			'Profile Builder Recover Password'     => [
				[ 'profile_builder_status', 'lost_pass' ],
				'profile-builder/index.php',
				ProfileBuilder\LostPassword::class,
			],
			'Quform'                               => [
				[ 'quform_status', 'form' ],
				'quform/quform.php',
				Quform::class,
			],
			'Sendinblue'                           => [
				[ 'sendinblue_status', 'form' ],
				'mailin/sendinblue.php',
				Sendinblue::class,
			],
			'Simple Basic Contact Form'            => [
				[ 'simple_basic_contact_form_status', 'form' ],
				'simple-basic-contact-form/simple-basic-contact-form.php',
				SimpleBasicContactForm\Form::class,
			],
			'Simple Download Monitor'              => [
				[ 'simple_download_monitor_status', 'form' ],
				'simple-download-monitor/main.php',
				SimpleDownloadMonitor\Form::class,
			],
			'Simple Membership Login'              => [
				[ 'simple_membership_status', 'login' ],
				'simple-membership/simple-wp-membership.php',
				SimpleMembership\Login::class,
			],
			'Simple Membership Register'           => [
				[ 'simple_membership_status', 'register' ],
				'simple-membership/simple-wp-membership.php',
				SimpleMembership\Register::class,
			],
			'Simple Membership Password Reset'     => [
				[ 'simple_membership_status', 'lost_pass' ],
				'simple-membership/simple-wp-membership.php',
				SimpleMembership\LostPassword::class,
			],
			'Spectra'                              => [
				[ 'spectra_status', 'form' ],
				'ultimate-addons-for-gutenberg/ultimate-addons-for-gutenberg.php',
				Spectra\Form::class,
			],
			'Subscriber'                           => [
				[ 'subscriber_status', 'form' ],
				'subscriber/subscriber.php',
				Subscriber\Form::class,
			],
			'Support Candy Form'                   => [
				[ 'supportcandy_status', 'form' ],
				'supportcandy/supportcandy.php',
				SupportCandy\Form::class,
			],
			'Theme My Login Login'                 => [
				[ 'theme_my_login_status', 'login' ],
				'theme-my-login/theme-my-login.php',
				ThemeMyLogin\Login::class,
			],
			'Theme My Login LostPassword'          => [
				[ 'theme_my_login_status', 'lost_pass' ],
				'theme-my-login/theme-my-login.php',
				ThemeMyLogin\LostPassword::class,
			],
			'Tutor Checkout'                       => [
				[ 'tutor_status', 'checkout' ],
				'tutor/tutor.php',
				Tutor\Checkout::class,
			],
			'Tutor Login'                          => [
				[ 'tutor_status', 'login' ],
				'tutor/tutor.php',
				Tutor\Login::class,
			],
			'Tutor LostPassword'                   => [
				[ 'tutor_status', 'lost_pass' ],
				'tutor/tutor.php',
				Tutor\LostPassword::class,
			],
			'Tutor Register'                       => [
				[ 'tutor_status', 'register' ],
				'tutor/tutor.php',
				Tutor\Register::class,
			],
			'Ultimate Addons Login'                => [
				[ 'ultimate_addons_status', 'login' ],
				'ultimate-elementor/ultimate-elementor.php',
				UltimateAddons\Login::class,
			],
			'Ultimate Addons Register'             => [
				[ 'ultimate_addons_status', 'register' ],
				'ultimate-elementor/ultimate-elementor.php',
				UltimateAddons\Register::class,
			],
			'Ultimate Member Login'                => [
				[ 'ultimate_member_status', 'login' ],
				'ultimate-member/ultimate-member.php',
				UM\Login::class,
			],
			'Ultimate Member LostPassword'         => [
				[ 'ultimate_member_status', 'lost_pass' ],
				'ultimate-member/ultimate-member.php',
				UM\LostPassword::class,
			],
			'Ultimate Member Register'             => [
				[ 'ultimate_member_status', 'register' ],
				'ultimate-member/ultimate-member.php',
				UM\Register::class,
			],
			'UsersWP Forgot Password'              => [
				[ 'users_wp_status', 'forgot' ],
				'userswp/userswp.php',
				UsersWP\ForgotPassword::class,
			],
			'UsersWP Login'                        => [
				[ 'users_wp_status', 'login' ],
				'userswp/userswp.php',
				UsersWP\Login::class,
			],
			'UsersWP Register'                     => [
				[ 'users_wp_status', 'register' ],
				'userswp/userswp.php',
				UsersWP\Register::class,
			],
			'WooCommerce Checkout'                 => [
				[ 'woocommerce_status', 'checkout' ],
				'woocommerce/woocommerce.php',
				WC\Checkout::class,
			],
			'WooCommerce Add Payment Method'       => [
				[ 'woocommerce_status', 'add_payment_method' ],
				'woocommerce/woocommerce.php',
				WC\AddPaymentMethod::class,
			],
			'WooCommerce Login'                    => [
				[ 'woocommerce_status', 'login' ],
				'woocommerce/woocommerce.php',
				WC\Login::class,
			],
			'WooCommerce Lost Password'            => [
				[ 'woocommerce_status', 'lost_pass' ],
				'woocommerce/woocommerce.php',
				[ WP\LostPassword::class, WC\LostPassword::class ],
			],
			'WooCommerce Order Tracking'           => [
				[ 'woocommerce_status', 'order_tracking' ],
				'woocommerce/woocommerce.php',
				WC\OrderTracking::class,
			],
			'WooCommerce Register'                 => [
				[ 'woocommerce_status', 'register' ],
				'woocommerce/woocommerce.php',
				WC\Register::class,
			],
			'WooCommerce Germanized'               => [
				[ 'woocommerce_germanized_status', 'return_request' ],
				'woocommerce-germanized/woocommerce-germanized.php',
				ReturnRequest::class,
			],
			'WooCommerce Wishlists'                => [
				[ 'woocommerce_wishlists_status', 'create_list' ],
				'woocommerce-wishlists/woocommerce-wishlists.php',
				CreateList::class,
			],
			'Wordfence Login'                      => [
				[ 'wordfence_status', null ],
				[ 'wordfence/wordfence.php', 'wordfence-login-security/wordfence-login-security.php' ],
				Wordfence\General::class,
			],
			'WP Job Openings'                      => [
				[ 'wp_job_openings_status', 'form' ],
				'wp-job-openings/wp-job-openings.php',
				WPJobOpenings\Form::class,
			],
			'WPForms'                              => [
				[ 'wpforms_status', null ],
				[ 'wpforms/wpforms.php', 'wpforms-lite/wpforms.php' ],
				WPForms\Form::class,
			],
			'wpDiscuz Comment'                     => [
				[ 'wpdiscuz_status', 'comment_form' ],
				'wpdiscuz/class.WpdiscuzCore.php',
				WPDiscuz\Comment::class,
			],
			'wpDiscuz Subscribe'                   => [
				[ 'wpdiscuz_status', 'subscribe_form' ],
				'wpdiscuz/class.WpdiscuzCore.php',
				WPDiscuz\Subscribe::class,
			],
			'wpForo New Topic'                     => [
				[ 'wpforo_status', 'new_topic' ],
				'wpforo/wpforo.php',
				WPForo\NewTopic::class,
			],
			'wpForo Reply'                         => [
				[ 'wpforo_status', 'reply' ],
				'wpforo/wpforo.php',
				WPForo\Reply::class,
			],
		];

		if ( is_multisite() ) {
			$this->modules['Signup Form']           = [
				[ 'wp_status', 'signup' ],
				'',
				WP\Signup::class,
			];
			$this->modules['Theme My Login Signup'] = [
				[ 'theme_my_login_status', 'signup' ],
				'theme-my-login/theme-my-login.php',
				ThemeMyLogin\Signup::class,
			];
		} else {
			$this->modules['Theme My Login Register'] = [
				[ 'theme_my_login_status', 'register' ],
				'theme-my-login/theme-my-login.php',
				ThemeMyLogin\Register::class,
			];
		}

		if ( ! function_exists( 'is_plugin_active' ) ) {
			// @codeCoverageIgnoreStart
			require_once ABSPATH . 'wp-admin/includes/plugin.php';
			// @codeCoverageIgnoreEnd
		}

		$settings = $this->settings();

		foreach ( $this->modules as $module ) {
			[ $option_name, $option_value ] = $module[0];

			$option = (array) ( $settings ? $settings->get( $option_name ) : [] );

			if ( $settings && ! $this->plugin_or_theme_active( $module[1] ) ) {
				$settings->set_field( $option_name, 'disabled', true );
				continue;
			}

			// If the plugin or theme is active, load a class having the option_value specified or null.
			if ( $option_value && ! in_array( $option_value, $option, true ) ) {
				continue;
			}

			if ( ! $this->active ) {
				continue;
			}

			foreach ( (array) $module[2] as $component ) {
				if ( ! class_exists( $component, false ) ) {
					$this->loaded_classes[ $component ] = new $component();
				}
			}
		}
	}

	/**
	 * Check whether one of the plugins or themes is active.
	 *
	 * @param string|array $plugin_or_theme_names Plugin or theme names.
	 *
	 * @return bool
	 */
	public function plugin_or_theme_active( $plugin_or_theme_names ): bool {
		foreach ( (array) $plugin_or_theme_names as $plugin_or_theme_name ) {
			if ( '' === $plugin_or_theme_name || 'WordPress' === $plugin_or_theme_name ) {
				// WP Core is always active.
				return true;
			}

			if (
				false !== strpos( $plugin_or_theme_name, '.php' ) &&
				$this->is_plugin_active( $plugin_or_theme_name )
			) {
				// The plugin is active.
				return true;
			}

			if (
				false === strpos( $plugin_or_theme_name, '.php' ) &&
				get_template() === $plugin_or_theme_name
			) {
				// The theme is active.
				return true;
			}
		}

		return false;
	}

	/**
	 * Check if the plugin is active.
	 * When the network is widely activated, check if the plugin is network active.
	 *
	 * @param string $plugin_name Plugin name.
	 *
	 * @return bool
	 */
	public function is_plugin_active( string $plugin_name ): bool {
		if ( $this->is_network_wide() ) {
			// @codeCoverageIgnoreStart
			return is_plugin_active_for_network( $plugin_name );
			// @codeCoverageIgnoreEnd
		}

		return is_plugin_active( $plugin_name );
	}

	/**
	 * Load plugin text domain.
	 *
	 * @return void
	 */
	public function load_textdomain(): void {
		load_default_textdomain();

		// phpcs:ignore PluginCheck.CodeAnalysis.DiscouragedFunctions.load_plugin_textdomainFound
		load_plugin_textdomain(
			'hcaptcha-for-forms-and-more',
			false,
			dirname( plugin_basename( HCAPTCHA_FILE ) ) . '/languages/'
		);
	}

	/**
	 * Determines if hCaptcha settings are defined network-wide.
	 *
	 * @return bool
	 */
	protected function is_network_wide(): bool {
		// @codeCoverageIgnoreStart
		if ( ! is_multisite() ) {
			return false;
		}

		$tab = $this->settings->get_tab( Integrations::class );

		return $tab && $tab->is_network_wide();
		// @codeCoverageIgnoreEnd
	}
}
